AKIYAMA Iwaki
Faculty of Life and Medical Sciences Department of Biomedical Information
Professor
Last Updated :2022/12/07

Researcher Profile and Settings

Research Interests

  • molecular science
  • regulatory science
  • medical image technology
  • medical ultrasound

Research Areas

  • Life sciences / Medical equipment testing
  • Life sciences / Biomaterials
  • Life sciences / Biomedical engineering
  • Life sciences / Medical systems

Research Experience

  • Doshisha University, Faculty of Life and Medical Sciences, professor, 2012/04 - Today
  • Shonan Institute of Technology, Faculty of Engineering, professor, 1994/11 - 2012/03
  • Shonan Institute of Technology, Faculty of Engineering, Associate Professor, 1991/04 - 1994/10
  • Shonan Institute of Technology, Faculty of Engineering, Assistant Professor, 1987/04 - 1991/03

Education

  • Keio University, Graduate School of Engineering, Electrical Engineering, - 1987
  • Keio University, Faculty of Engineering, Department of Electrical Engineering, - 1982

Association Memberships

  • 電子情報通信学会
  • 計測制御学会
  • 応用物理学会
  • アジア超音波医学生物学連合
  • 日本音響学会
  • 世界超音波医学生物学連合
  • 日本超音波医学会
  • The Acoustical Society of America
  • The Institute of Electrical and Electronics Engineers
  • Asian Federation of Societies for Ultrasound in Medicine and Biology
  • World Federation for Ultrasound in Medicine and Biology
  • The Japan Society of Ultrasonics in Medicine

Committee Memberships

  • Co-Opted Councilor, 2021/05 - Today, World Federation for Ultrasound in Medicine and Biology, Society
  • President Elect, 2020/08 - Today, Asian Federation of Societies for Ultrasound in Medicine and Biology, Society, アジア超音波医学生物学連合
  • 代議員, 2012 - Today, 日本音響学会, Society, 日本音響学会
  • Biomedical Acoustics Technical Committee, 2010/05 - Today, Acoustical Society of America, Society
  • 理事, 1998/05 - Today, 日本超音波医学会, Society, 日本超音波医学会
  • 機器及び安全に関する委員会, 2002/05 - 2022/03, 日本超音波医学会, Society
  • Administrative Councilor, 2017/10 - 2021/05, World Federation for Ultrasound in Medicine and Biology, Society, World Federation for Ultrasound in Medicine and Biology
  • 科学研究費委員会専門委員, 2013/12 - 2014/11, 日本学術振興会, Society
  • 理事, 2001/05 - 2003/04, 日本音響学会, Society

Awards

  • Technical Achievement Award
    Aug. 2012, International Acoustical Imaging Symposium
  • 日本超音波医学会松尾賞
    2005, Japan
  • 安藤博学術奨励賞
    Jun. 1991, 財団法人安藤研究所
  • 粟屋賞
    Mar. 1991, 日本音響学会

Published Papers

  • In Vivo Temperature Rise Measurements of Rabbit Liver and Femur Bone Surface Exposed to an Acoustic Radiation Force Impulse
    Naotaka Nitta; Yasunao Ishiguro; Hideki Sasanuma; Noriya Takayama; Kazuma Rifu; Nobuyuki Taniguchi; Iwaki Akiyama
    Ultrasound in Medicine & Biology, Elsevier BV, Apr. 2022, Scientific journal
  • Ultrasonic Heating Detects Lipiodol Deposition within Liver Tumors after Transarterial Embolization: An In Vivo Approach
    Natsuhiko Saito; Toshihiro Tanaka; Kiyoyuki Minamiguchi; Ryosuke Taiji; Hideyuki Nishiofuku; Takeshi Matsumoto; Toshiko Hirai; Kimihiko Kichikawa; Naoki Kawahara; Daiki Matsuda; Iwaki Akiyama
    Biology, MDPI AG, 10(9) 901 - 901, 12 Sep. 2021, Scientific journal
  • Acoustic radiation force impulse under clinical conditions with single infusion of ultrasound contrast agent evoking arrhythmias in rabbit heart
    Kazuma Rifu; Hideki Sasanuma; Noriya Takayama; Naotaka Nitta; Yukiyo Ogata; Iwaki Akiyama; Nobuyuki Taniguchi
    Journal of Medical Ultrasonics, Springer Science and Business Media LLC, 48(2) 137 - 144, 10 Apr. 2021, Scientific journal
  • Preliminary Investigation of Magnetic Resonance Imaging Guided Beamforming in Flexible Type Ultrasonic Array Transducers
    Koki Hasegawa; Kengo Namekawa; Shinji Takayanagi; Iwaki Akiyama
    Frontiers in Physics, Frontiers Media SA, 9, 18 Mar. 2021, Scientific journal
  • Measurement of temperature dependence of sound velocity in biological tissues
    Yukako Tsujimoto; Daiki Matsuda; Kiyoyuki Minamiguchi; Toshihiro Tanaka; Toshiko Hirai; Iwaki Akiyama
    Japanese Journal of Applied Physics, 58, 01 Jan. 2019
  • Ultrasonic measurement of sound velocity fluctuations in biological tissue due to ultrasonic heating and estimation of thermo-physical properties
    Yukako Tsujimoto; Mai Morimoto; Naotaka Nitta; Iwaki Akiyama
    Journal of Medical Ultrasonics, Jan. 2019
  • Sound velocity estimation and beamform correction by simultaneous multimodality imaging with ultrasound and magnetic resonance
    Ken Inagaki; Shimpei Arai; Kengo Namekawa; Iwaki Akiyama
    Applied Sciences (Switzerland), 8, 02 Nov. 2018
  • Ultrasonic Electronics
    Iwaki Akiyama; Pak Kon Choi; Hiroyuki Hachiya; Akira Harata; Hideyuki Hasegawa; Kenya Hashimoto; Shoji Kakio; Nobuki Kudo; Subaru Kudo; Mami Matsukawa; Tatsuro Matsuoka; Koichi Mizutani; Kentaro Nakamura; Hirotsugu Ogi; Shinichi Takeuchi; Takao Tsuchiya; Shin ichiro Umemura; Yasuaki Watanabe; Ken Yamada; Kyuichi Yasui
    Japanese Journal of Applied Physics, 57(7), Jul. 2018, Scientific journal
  • Foreword ultrasonic electronics
    Mami Matsukawa; Jun Kondoh; Keiji Sakai; Iwaki Akiyama; Pak Kon Choi; Hiroyuki Hachiya; Akira Harata; Hideyuki Hasegawa; Kenya Hashimoto; Shoji Kakio; Nobuki Kudo; Subaru Kudo; Tatsuro Matsuoka; Koichi Mizutani; Kentaro Nakamura; Hirotugu Ogi; Sinichi Takeuchi; Takao Tsuchiya; Shinichiro Umemura; Yasuaki Watanabe; Ken Yamada; Kyuichi Yasui
    Japanese Journal of Applied Physics, 56(7), Jul. 2017, Scientific journal
  • Investigating the type and strength of emotion with music: An fMRI study
    Teruhisa Okuya; Toshihiko Date; Miwa Fukino; Mikio Iwakawa; Kohji Sasabe; Kumi Nagao; Yuki Moriizumi; Iwaki Akiyama; Yoshiaki Watanabe
    Acoustical Science and Technology, Acoustical Society of Japan, 38(3) 120 - 127, 2017, Scientific journal
  • Measurement of sound pressure and temperature in tissue-mimicking material using an optical fiber Bragg grating sensor
    Keisuke Imade; Takashi Kageyama; Daisuke Koyama; Yoshiaki Watanabe; Kentaro Nakamura; Iwaki Akiyama
    JOURNAL OF MEDICAL ULTRASONICS, SPRINGER JAPAN KK, 43(4) 473 - 479, Oct. 2016, Scientific journal
  • The effect of ultrasound with acoustic radiation force on rabbit lung tissue: a preliminary study.
    Noriya Takayama; Yasunao Ishiguro; Nobuyuki Taniguchi; Kazuki Akai; Hideki Sasanuma; Yoshikazu Yasuda; Naotaka Nitta; Iwaki Akiyama
    Journal of medical ultrasonics (2001), 43(4) 481 - 5, Oct. 2016, Scientific journal
  • Measurement of flow velocity using crossed beam contrast echo method
    YOSHIDA Kenji; ONISHI Shoma; EURA Taishi; WATANABE Kimiaki; WATANABE Yoshiaki; AKIYAMA Iwaki
    Choonpa Igaku, The Japan Society of Ultrasonics in Medicine, 43((2)) 265 - 277, 2016
  • Erratum to: Ultrasound exposure (mechanical index 1.8) with acoustic radiation force impulse evokes extrasystolic waves in rabbit heart under concomitant administration of an ultrasound contrast agent.
    Yasunao Ishiguro; Naotaka Nitta; Nobuyuki Taniguchi; Kazuki Akai; Noriya Takayama; Hideki Sasanuma; Yukiyo Ogata; Yoshikazu Yasuda; Iwaki Akiyama
    Journal of medical ultrasonics (2001), 43(1) 9 - 9, Jan. 2016
  • Ultrasound exposure (mechanical index 1.8) with acoustic radiation force impulse evokes extrasystolic waves in rabbit heart under concomitant administration of an ultrasound contrast agent.
    Yasunao Ishiguro; Naotaka Nitta; Nobuyuki Taniguchi; Kazuki Akai; Noriya Takakayama; Hideki Sasanuma; Yukiyo Ogata; Yoshikazu Yasuda; Iwaki Akiyama
    Journal of medical ultrasonics (2001), 43(1) 3 - 7, Jan. 2016, Scientific journal
  • The arrhythmogenic effect of ultrasonic exposure with acoustic radiation force (ARF) impulse on the rabbit heart with ultrasound contrast agent perfluorobutane.
    Yasunao Ishiguro; Hideki Sasanuma; Naotaka Nitta; Nobuyuki Taniguchi; Yukiyo Ogata; Yoshikazu Yasuda; Iwaki Akiyama
    Journal of medical ultrasonics (2001), 42(1) 47 - 50, Jan. 2015, Scientific journal
  • Experimental system for in-situ measurement of temperature rise in animal tissue under exposure to acoustic radiation force impulse.
    Naotaka Nitta; Yasunao Ishiguro; Hideki Sasanuma; Nobuyuki Taniguchi; Iwaki Akiyama
    Journal of medical ultrasonics (2001), 42(1) 39 - 46, Jan. 2015, Scientific journal
  • Compensation method for frequency-dependent attenuation in tissue imaging by amplitude modulation for chirp transmission
    Takuya Hiraoka; Norio Tagawa; Kan Okubo; Iwaki Akiyama
    Acoustical Science and Technology, Acoustical Society of Japan, 36(3) 201 - 207, 2015, Scientific journal
  • 超音波照射による生体組織の安全性評価 動物実験用システム
    新田 尚隆; 石黒 保直; 笹沼 英紀; 安田 是和; 谷口 信行; 秋山 いわき
    電子情報通信学会技術研究報告(超音波), (一社)電子情報通信学会, 113(167) 37 - 40, Jul. 2013
  • Do We Need to Restrict the Use of Doppler Ultrasound in the First Trimester of Pregnancy?
    Gail R. Ter Haar; Jacques S. Abramowicz; Iwaki Akiyama; David H. Evans; Marvin C. Ziskin; Karel Maršál
    Ultrasound in Medicine and Biology, Elsevier USA, 39(3) 374 - 380, 2013
  • Recursive reduction of frequency dependent attenuation for wide-band ultrasound imaging in a living body
    Takuya Hiraoka; Norio Tagawa; Kan Okubo; Iwaki Akiyama
    IEEE International Ultrasonics Symposium, IUS, 914 - 917, 2013, International conference proceedings
  • Development of Multiple-Frequency Ultrasonic Imaging System Using Multiple Resonance Piezoelectric Transducer
    Iwaki Akiyama; Natsuki Yoshizumi; Shigemi Saito; Yuji Wada; Daisuke Koyamay; Kentaro Nakamura
    JAPANESE JOURNAL OF APPLIED PHYSICS, IOP PUBLISHING LTD, 51(7) 07GF02 , Jul. 2012, Scientific journal
  • Temperature Elevation of Biological Tissue Model Exposed by Focused Ultrasound with Acoustic Radiation Force
    Naotaka Nitta; Nobuki Kudo; Iwaki Akiyama
    NONLINEAR ACOUSTICS: STATE-OF-THE-ART AND PERSPECTIVES (ISNA 19), AMER INST PHYSICS, 1474 264 - 267, 2012, International conference proceedings
  • Proposal for Blood-Flow Imaging by Contrast Echo Using Counter-Crossed Beams
    T. Eura; K. Yoshida; Y. Watanabe; T. Takayasu; K. Nakamura; I. Akiyama
    ACOUSTICAL IMAGING, VOL 30, SPRINGER, 30 47 - 52, 2011, International conference proceedings
  • Temperature elevation evaluation of tissue exposed by pulsed ultrasound with acoustic radiation force
    Nitta N; Kudo N; Akiyama I
    Ultrasound in Medicine and Biology, 37(8S) S62 - S63, 2011
  • 2つの超音波の非線形相互作用を用いたイメージング
    秋山 いわき
    非破壊検査, 59 542 - 548, 2010
  • Rescue Radar with Two Dimensional Array Antennas
    AKIYAMA Iwaki; TAKEUCHI Toshio; SAITO Hideo
    JRSJ, The Robotics Society of Japan, 28(2) 164 - 168, 2010
  • Preliminary Study of Broadband Transducer for Measurement of Bone Characteristics
    Takasuke Irie; Kouhei Koumoto; Masayuki Tanabe; Norio Tagawa; Kan Okubo; Iwaki Akiyama; Kouichi Itoh
    JAPANESE JOURNAL OF APPLIED PHYSICS, JAPAN SOC APPLIED PHYSICS, 49(7) 07HF29 , 2010, Scientific journal
  • Blood Flow Measurement by the Counter-Crossed Beam Contrast Echo Method
    Taishi Eura; Kenji Yoshida; Yoshiaki Watanabe; Iwaki Akiyama
    JAPANESE JOURNAL OF APPLIED PHYSICS, IOP PUBLISHING LTD, 49(7) 07HF05 , 2010, Scientific journal
  • Numerical evaluation of a composite-based multiple-resonance transducer
    Kentaro Nakamura; Yuji Wada; Daisuke Koyama; Shigimi Saito; Iwaki Akiyama
    Proceedings - IEEE Ultrasonics Symposium, 2408 - 2411, 2010, International conference proceedings
  • Multiple-frequency ultrasonic imaging by transmitting pulsed waves of two frequencies
    Natsuki Yoshizumi; Shigemi Saito; Daisuke Koyama; Kentaro Nakamura; Akihisa Ohya; Iwaki Akiyama
    JOURNAL OF MEDICAL ULTRASONICS, SPRINGER JAPAN KK, 36(2) 53 - 60, Jun. 2009, Scientific journal
  • On-rubble robot systems for the DDT Project
    Fumitoshi Matsuno; Takashi Tsubouchi; Shigeo Hirose; Iwaki Akiyama; Takao Inoh; Michele Guarnieri; Kenji Kawashima; Takahiro Sasaki; Naoji Shiroma; Tetsushi Kamegawa; Kazunori Ohno; Satoshi Tadokoro; Noritaka Sato; Yoshikazu Inoue; Takahide Takeuchi; Hideyuki Tsukagoshi; Masashi Sasaki; Ato Kitagawa; Takahiro Tanaka; Yasuhiro Masutani; Haruo Soeda; Koichi Osuka; Masamitsu Kurisu; Tomoharu Doi; Tadahiro Kaneda; Xin-Zhi Zheng; Hiroshi Sugimoto; Noriyuki Matsuoka; Teruaki Azuma; Masahiro Hatsuda
    Rescue Robotics: DDT Project on Robots and Systems for Urban Search and Rescue, Springer London, 105 - 129, 2009, In book
  • Multiple-frequency ultrasonic imaging using a multiple-resonance transducer
    Iwaki Akiyama; Natsuki Yoshizumi; Kentaro Nakamura
    Proceedings - IEEE Ultrasonics Symposium, 2009, International conference proceedings
  • A New Contrast Echo Imaging Method Using Crossed Beams of Two Ultrasonic Frequencies
    Naoki Yoshimato; Kenji Yoshida; Yoshiaki Watanabe; Iwaki Akiyama
    JAPANESE JOURNAL OF APPLIED PHYSICS, IOP PUBLISHING LTD, 47(5) 4188 - 4192, May 2008, Scientific journal
  • NONLINEAR MULTIBEAM ULTRASONIC IMAGING
    I. Akiyama; N. Yoshizumi; A. Ohya; S. Saito
    ACOUSTICAL IMAGING, VOL 29, SPRINGER, 29 259 - +, 2008, International conference proceedings
  • 二周波駆動超音波振動子のビーム特性
    秋山 いわき
    電子情報通信学会論文誌A, J91A(12) 1125 - 1133, 2008
  • レスキュー用アレイアンテナ搭載レーダシステム
    秋山 いわき
    計測自動制御学会論文集, 44(12) 962 - 969, 2008
  • Measurement of Survivor Location for Rescue Radar System by using Two Dimensional Array Antenna
    Toshio Takeuchi; Yuko Uematsu; Hideo Saito; Yoshimitsu Aoki; Akihisa Ohya; Fumitoshi Matsuno; Iwaki Akiyama
    2008 IEEE INTERNATIONAL WORKSHOP ON SAFETY, SECURITY & RESCUE ROBOTICS, IEEE, 1 - +, 2008, International conference proceedings
  • Measurement of secondary waves generated by nonlinear vibration of microbubbles in the crossed beams of two ultrasonic frequencies
    Iwaki Akiyama; Naoki Yoshimato; Kenji Yoshida; Yoshiaki Watanabe
    NONLINEAR ACOUSTICS FUNDAMENTALS AND APPLICATIONS, AMER INST PHYSICS, 1022 432 - +, 2008, International conference proceedings
  • 超広帯域ティッシュハーモニックイメージング
    秋山 いわき
    日本音響学会誌, 63 150 - 156, 2007
  • Ultra-broadband ultrasonic imaging using bi-layer structure probe
    I. Akiyama; A. Ohya; S. Saito
    Acoustical Imaging, Vol 28, SPRINGER, 28 101 - 109, 2007, International conference proceedings
  • Development of an ultra-broadband ultrasonic imaging system: Prototype mechanical sector device
    Iwaki Akiyama; Shigemi Saito; Akihisa Ohya
    Journal of Medical Ultrasonics, 33(2) 71 - 76, Jun. 2006, Scientific journal
  • 超広帯域超音波イメージングシステムの開発--メカニカルセクタ装置の試作とその映像 (特集 医用超音波最前線)
    秋山, いわき; 大矢, 晃久
    Ultrasonic technology, 日本工業出版, 18(2) 29 - 31,126, Mar. 2006, Scientific journal
  • Introduction of mission unit on information collection by on-rubble mobile platforms of development of rescue robot systems (DDT) project in Japan
    Fumitoshi Matsuno; Shigeo Hirose; Iwaki Akiyama; Takao Inoh; Michele Guarnieri; Naoji Shiroma; Tetsushi Kamegawa; Kazunori Qhno; Noritaka Sato
    2006 SICE-ICASE International Joint Conference, 4186 - 4191, 2006, International conference proceedings
  • Speckle Noise Reduction by Superposing Many Higher Harmonic Images
    AKIYAMA, Iwaki; OHYA, Akihisa; SAITO, Shigemi
    Japanese journal of applied physics. Pt. 1, Regular papers, brief communications & review papers, Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physics, 44(6) 4631 - 4636, Jun. 2005, Scientific journal
  • A new system for in vivo assessment of the degree of nonlinear generation using the second harmonic component in echo signals
    Yasutomo Fujii; Nobuyuki Taniguchi; Iwaki Akiyama; Jing-Wen Tsao; Kouichi Itoh
    Ultrasound in Medicine and Biology, 30(11) 1511 - 1516, Nov. 2004, Scientific journal
  • Study of a breast tumor extraction algorithm for three-dimensional ultrasound images, using multiple space differentiation filters: Automated breast tumor extraction algorithm with improved accuracy
    Hironori Matsudaira; Hiroaki Kawasaki; Kiyoka Omoto; Koichi Itoh; Yuki Takizawa; Iwaki Akiyama
    Acoustical Science and Technology, 25(1) 9 - 14, Jan. 2004, Scientific journal
  • Speckle reduction by summation of higher order harmonic images
    Akiyama, I; H Yamamoto; G Ohashi; A Ohya
    ACOUSTICAL IMAGING, VOL 27, SPRINGER, 27 651 - 657, 2004, International conference proceedings
  • Enhancement of Stents Using Interference of Low-frequency Ultrasonic Echo Images
    Gosuke, Ohashi; Akihisa, Ohya; Kazunobu, Tobise; Iwaki, Akiyama
    Journal of Medical Ultrasonics, 31(2) 67-73 , Jan. 2004, Scientific journal
  • Speckle reduction of echographic images using higher order harmonic components
    Akiyama, I; H Yamamoto; G Ohashi; A Ohya
    2003 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2, IEEE, 1642 - 1645, 2003, International conference proceedings
  • Ultrasonic imaging with narrow aperture phased array
    N Takizawa; A Ohya; Akiyama, I
    ELECTRONICS AND COMMUNICATIONS IN JAPAN PART III-FUNDAMENTAL ELECTRONIC SCIENCE, SCRIPTA TECHNICA-JOHN WILEY & SONS, 86(2) 72 - 81, 2003, Scientific journal
  • 解説 超音波画像の変位ベクトル計測
    大橋, 剛介; 大矢, 晃久; 秋山, いわき
    Ultrasonic technology, 日本工業出版, 14(5) 34 - 38, Sep. 2002, Scientific journal
  • Development of three dimensional image analysis system for computer aided diagnosis of breast cancer using ultrasonic echography
    Akiyama, I; H Matsudaira; H Kawasaki; K Omoto; K Itoh
    ACOUSTICAL IMAGING, VOL 26, KLUWER ACADEMIC/PLENUM PUBL, 26 91 - 96, 2002, International conference proceedings
  • A study on speckle tracking method for three-dimensional ultrasonic imaging
    G Ohashi; T Toyoda; A Ohya; Akiyama, I
    ELECTRONICS AND COMMUNICATIONS IN JAPAN PART III-FUNDAMENTAL ELECTRONIC SCIENCE, SCRIPTA TECHNICA-JOHN WILEY & SONS, 85(12) 1 - 8, 2002, Scientific journal
  • Review of Recent Medical Ultrasonic Technology
    AKIYAMA Iwaki
    Japanese Journal of Medical Physics, Japan Society of Medical Physics, 21(3) 123 - 127, 30 Sep. 2001
  • A COMPUTER - AIDED DIAGNOSIS SYSTEM FOR BREAST TUMOR BY USING THREE - DIMENSIONAL ULTRASONIC IMAGES
    LIU Xiaoqiang; CHENG Xiangyong; ITOH Kouichi; OMOTO Kiyoka; AKIYAMA Iwaki
    ITE Technical Report, The Institute of Image Information and Television Engineers, 24(2) 15 - 19, 14 Jan. 2000
  • Determination and evaluation of the surface region of breast tumors using ultrasonic echohraphy
    XY Cheng; Akiyama, I; S Ogawa; K Itoh; K Omoto; Y Wang; N Taniguchi
    ACOUSTICAL IMAGING, VOL 24, KLUWER ACADEMIC/PLENUM PUBL, 24 261 - 271, 2000, International conference proceedings
  • Narrow aperture phased array computed tomography
    Akiyama, I; N Takizawa; A Ohya
    ACOUSTICAL IMAGING, VOL 25, KLUWER ACADEMIC/PLENUM PUBL, 25 163 - 170, 2000, International conference proceedings
  • Breast Tumor Diagnostic System Using Three-Dimensional Ultrasonic Echography
    Xiangyong Cheng; Iwaki Akiyama; Yi Wang; Kouichi Itoh
    Systems and Computers in Japan, John Wiley and Sons Inc., 30(2-3) 1 - 10, 1999, Scientific journal
  • Ultrasonic pulsed echo tomography using narrow aperture phased array
    Akiyama, I; N Takizawa; A Ohya
    1999 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2, IEEE, 1613 - 1616, 1999, International conference proceedings
  • Ultrasonic tomography using arc focusing beam
    N Takizawa; A Ohya; Akiyama, I
    1998 IEEE ULTRASONICS SYMPOSIUM - PROCEEDINGS, VOLS 1 AND 2, IEEE, 1659 - 1662, 1998, International conference proceedings
  • Three dimensional ultrasonic imaging for diagnosis of breast tumor
    S Ogawa; K Itoh; K Omoto; Cheng, X; A Ohya; Akiyama, I
    1998 IEEE ULTRASONICS SYMPOSIUM - PROCEEDINGS, VOLS 1 AND 2, IEEE, 1677 - 1680, 1998, International conference proceedings
  • Intelligent systems using fuzzy logic for the determination of breast tumors
    XY Cheng; K Itoh; A Ohya; K Omoto; Y Wang; N Taniguchi; S Ogawa; Akiyama, I
    PROCEEDINGS OF THE 20TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, VOL 20, PTS 1-6, IEEE, 20 1356 - 1359, 1998, International conference proceedings
  • Tomographic Reconstruction Technique for Pulsed-Echo Imaging
    Iwaki Akiyama
    International Journal of Imaging Systems and Technology, John Wiley and Sons Inc., 8(5) 432 - 437, 1997, Scientific journal
  • Synthetic aperture computed tomography
    Akiyama, I; K Yano
    ACOUSTICAL IMAGING, VOL 23, PLENUM PRESS DIV PLENUM PUBLISHING CORP, 23 575 - 581, 1997, International conference proceedings
  • Breast tumor diagnosis system using three dimensional ultrasonic echography
    XY Cheng; Akiyama, I; K Itoh; Y Wang; N Taniguchi; S Ohtsuka; H Mizunuma
    PROCEEDINGS OF THE 19TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, VOL 19, PTS 1-6, IEEE, 19 517 - 520, 1997, International conference proceedings
  • On the echographic image of biological tissue with self-similarity structure
    Akiyama, I; N Taniguchi; K Itoh
    ACOUSTICAL IMAGING, VOL 22, PLENUM PRESS DIV PLENUM PUBLISHING CORP, 22 349 - 354, 1996, International conference proceedings
  • COMPUTER-SIMULATION OF ULTRASONIC IMAGES WITH SELF-SIMILARITY OF TISSUE STRUCTURES
    AKIYAMA, I; A OHYA; N TANIGUCHI; K ITOH
    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, JAPAN J APPLIED PHYSICS, 34(5B) 2826 - 2830, May 1995, Scientific journal
  • Ultrasonic trans-femur tomography
    Iwaki Akiyama; Kenji Takagishi; Moritoshi Itoman; Makoto Yamamoto
    Journal of the Acoustical Society of Japan (E), 13(5) 323 - 326, 1992, Scientific journal
  • REFLECTION IMAGING OF NONLINEARITY PARAMETER DISTRIBUTION
    AKIYAMA, I; T KOIDE; Y KUMAKURA
    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, JAPAN J APPLIED PHYSICS, 30 221 - 223, 1991, Scientific journal
  • Image Reconstruction Technique for Ultrasonic Tomography
    AKIYAMA Iwaki
    Medical Imaging Technology, The Japanese Society of Medical Imaging Technology, 8(5) 533 - 533, 1990
  • NONLINEARITY PARAMETER B/A IMAGING BY USING ULTRASOUND ECHO SIGNALS
    AKIYAMA, I
    FRONTIERS OF NONLINEAR ACOUSTICS, ELSEVIER APPL SCI PUBL LTD, 379 - 384, 1990, International conference proceedings
  • AIRBORNE ULTRASONIC SPECKLE VELOCIMETRY
    AKIYAMA, I; F MIYAZAKI; H MOMOKAWA
    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, JAPAN J APPLIED PHYSICS, 28 179 - 181, 1989, Scientific journal
  • Measurement of Acoustic Nonlinearity Parameter of Biological Tissues
    AKIYAMA Iwaki; NAKAJIMA Masato; YUTA Shin'ichi
    OYOBUTURI, The Japan Society of Applied Physics, 57(8) 1191 - 1195, 1988
  • Development of light beam CT system for measurement of ultrasonic wave fields
    Iwaki Akiyama; Masato Nakajima; Hisao Waki; Shin'Ichi Yuta
    Electronics and Communications in Japan (Part I: Communications), 71(5) 51 - 60, 1988, Scientific journal
  • Measurement of finite amplitude ultrasound wave fields by light beam CT
    Iwaki Akiyama; Yukihiro Nishida; Hisao Wak; Masato Nakajima; Shin-Ichi Yuta
    Japanese Journal of Applied Physics, 25(1) 97 - 99, 1986, Scientific journal

MISC

  • ここまで“見える”最新超音波診断装置 今“超音波”に求められるものとは 次世代の超音波診断装置
    秋山いわき
    月刊新医療, 45(8) 84‐87 , 01 Aug. 2018
  • 超音波と可視化~目で見る超音波~1)最近の超音波可視化技術
    秋山いわき
    超音波Techno, 29(3) 1‐3 , 01 Jun. 2017
  • 超音波照射によるDNA分子の二重鎖切断
    石原 和也; 山下 悠介; 吉田 憲司; 秋山 いわき; 剣持 貴弘; 吉川 裕子; 吉川 研一; 渡辺 好章
    超音波医学, (公社)日本超音波医学会, 44(Suppl.) S466 - S466, Apr. 2017
  • 音響放射力インパルスが肺に及ぼす影響 ウサギを用いた動物実験
    高山 法也; 笹沼 英紀; 利府 数馬; 高野 わかな; 新田 尚隆; 石黒 保直; 秋山 いわき; 谷口 信行
    超音波医学, (公社)日本超音波医学会, 44(Suppl.) S467 - S467, Apr. 2017
  • Part 7. How to insonate living animal - From engineering point of view
    NITTA Naotaka; AKIYAMA Iwaki
    Choonpa Igaku, The Japan Society of Ultrasonics in Medicine, 44(4) 385 - 388, 2017
  • Ultrasonic Electronics FOREWORD
    Jun Kondoh; Keiji Sakai; Iwaki Akiyama; Pak-kon Choi; Hiroyuki Hachiya; Akira Harata; Hideyuki Hasegawa; Ken-ya Hashimoto; Shoji Kakio; Subaru Kudo; Nobuki Kudoh; Kentaro Nakamura; Mami Matsukawa; Koichi Mizutani; Hirotsugu Ogi; Shinichi Takeuchi; Takao Tsuchiya; Shin-ichiro Umemura; Yasuaki Watanabe; Ken Yamada; Kyuichi Yasui
    JAPANESE JOURNAL OF APPLIED PHYSICS, IOP PUBLISHING LTD, 55(7), Jul. 2016, Others
  • Application of Acoustic Radiation Force to the Field of Clinical Diagnosis
    AKIYAMA Iwaki
    Journal of the Japan Society of Mechanical Engineers, The Japan Society of Mechanical Engineers, 119(1167) 76 - 77, 05 Feb. 2016
  • パルスドプラ血流計測における生体組織の周波数依存減衰の影響とその補正
    佐藤寛; 手嶋優風; NISHIMURA Jun; 渡辺好章; 飛龍志津子; 秋山いわき
    超音波医学, 43, 2016
  • 音響キャビテーション発生に伴うメダカ胚への影響
    山田健人; 阪口裕暉; 松本恵李那; 吉田憲司; 殿山泰弘; 廣瀬まゆみ; 秋山いわき; 渡辺好章
    日本音響学会2016年春季研究発表会, 2016, 2016
  • 総論:超音波の特徴と活用分野
    秋山いわき
    電気評論, 101(9) 7 - 11, 2016
  • Ultrasonic Electronics FOREWORD
    Iwaki Akiyama; Keiji Sakai; Pak-kon Choi; Hiroyuki Hachiya; Akira Harata; Ken-ya Hashimoto; Shoji Kakio; Jun Kondoh; Subaru Kudo; Nobuki Kudoh; Minoru Kurosawa; Mami Matsukawa; Tatsuro Matsuoka; Koichi Mizutani; Kentaro Nakamura; Toshiaki Nakamura; Hirotsugu Ogi; Shinichi Takeuchi; Shin-ichiro Umemura; Yasuaki Watanabe; Ken Yamada; Kyuichi Yasui
    JAPANESE JOURNAL OF APPLIED PHYSICS, IOP PUBLISHING LTD, 54(7), Jul. 2015, Others
  • 超音波はどこまで安全か 超音波造影剤投与下の音響放射力インパルス(ARFI)のウサギ心臓への照射と期外収縮
    石黒 保直; 新田 尚隆; 赤井 一揮; 高山 法也; 小形 幸代; 笹沼 英紀; 安田 是和; 谷口 信行; 秋山 いわき
    超音波医学, (公社)日本超音波医学会, 42(Suppl.) S229 - S229, Apr. 2015
  • 音響放射力インパルス照射下のウサギ肝臓及び大腿骨上における温度上昇のin vivo測定
    NITTA NAOTAKA; ISHIGURO YASUNAO; SASANUMA HIDEKI; TANIGUCHI NOBUYUKI; AKIYAMA IWAKI
    超音波医学, (一社)日本超音波医学会, 42(2) 283 - 283, 15 Mar. 2015
  • A-1-19 音速分布を考慮した超音波イメージング : MRIのT1・T2値による音速の推定(A-1.回路とシステム,一般セッション)
    三原 伸公; 高杉 一等; 渡辺 好章; 秋山 いわき
    電子情報通信学会総合大会講演論文集, 一般社団法人電子情報通信学会, 2015 19 - 19, 24 Feb. 2015
  • 受波信号によって送波信号を最適化する超音波ドプラ血流計測法の提案
    手嶋優風; 柏村祐樹; 飛龍志津子; 秋山いわき
    日本音響学会研究発表会講演論文集(CD-ROM), 2015, 2015
  • 臨床診断における音響放射力の利用
    秋山いわき
    日本機械学会誌, 1,191,167 18 - 19, 2015
  • 3P2-3 Comparison of FBG sensors and thermocouples for measurement of temperature rise by exposure to ultrasound(Poster Session)
    Imade Keisuke; Koyama Daisuke; Akiyama Iwaki
    Proceedings of Symposium on Ultrasonic Electronics, Steering committee of symposium on ultrasonic electronics, 35 421 - 422, 03 Dec. 2014
  • 2P5-13 Ultrasonic measurement of temperature distribution of biological tissue by local heating(Poster Session)
    Morita Akihisa; Morimoto Mai; Watanabe Yoshiaki; Akiyama Iwaki
    Proceedings of Symposium on Ultrasonic Electronics, Steering committee of symposium on ultrasonic electronics, 35 329 - 330, 03 Dec. 2014
  • 2P5-5 Ultrasound measurement of the blood flow vector by using microbubble(Poster Session)
    Ohnishi Shouma; Ikemoto Kyouko; Watanabe Yoshiaki; Akiyaman Iwaki
    Proceedings of Symposium on Ultrasonic Electronics, Steering committee of symposium on ultrasonic electronics, 35 313 - 314, 03 Dec. 2014
  • Ultrasonic Electronics FOREWORD
    Kentaro Nakamura; Keiji Sakai; Iwaki Akiyama; Pak-kon Choi; Hiroyuki Hachiya; Akira Harata; Ken-ya Hashimoto; Shoji Kakio; Hiroshi Kanai; Jun Kondoh; Subaru Kudo; Nobuki Kudoh; Minoru Kurosawa; Mami Matsukawa; Tatsuro Matsuoka; Koichi Mizutani; Jun Morimoto; Toshiaki Nakamura; Hirotsugu Ogi; Tsuyoshi Shina; Shinichi Takeuchi; Kenshin Tsuchiya; Takao Tsuchiya; Shin-ichiro Umemura; Yasuaki Watanabe; Akira Yamada; Ken Yamada; Kyuichi Yasui
    JAPANESE JOURNAL OF APPLIED PHYSICS, IOP PUBLISHING LTD, 53(7), Jul. 2014, Others
  • Measurement of heat capacity per unit volume of the biological tissue exposed to ultrasound : Phantom experiments
    Shimizu Kantaro; Murakami Shin'ichi; Watanabe Yoshiaki; Akiyama Iwaki
    IEICE technical report. Ultrasonics, The Institute of Electronics, Information and Communication Engineers, 114(102) 31 - 35, 16 Jun. 2014
  • 超音波造影剤投与下のウサギ心臓における音響放射カインパルス(ARFI:Acoustic Radiation Force Impulse)の心電図波形に与える影響についての検討
    石黒 保直; 新田 尚隆; 笹沼 英紀; 安田 是和; 秋山 いわき; 谷口 信行
    超音波医学, (一社)日本超音波医学会, 41(3) 464 - 465, May 2014
  • FDA Compensation of Tissue Harmonic Imaging by AM Modulation of FM Chirp Transmission Signal
    平岡拓也; 田川憲男; 大久保寛; 秋山いわき
    電子情報通信学会技術研究報告, (一社)電子情報通信学会, 113(439(US2013 93-112)) 25 - 30, 14 Feb. 2014
  • In Vivo Measurement of Temperature Rise in Living Rabbit's Liver Exposed to Ultrasound with Acoustic Radiation Force
    Naotaka Nitta; Yasunao Ishiguro; Hideki Sasanuma; Nobuyuki Taniguchi; Iwaki Akiyama
    2014 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS), IEEE, 2014 Vol.2 1175 - 1178, 2014
  • Generating Bubbles, Diagnosing by Bubbles, and Treating with Bubbles: From Generation of Ultrasonic Contrast Agent to Its Medical Application (2): Application to diagnosis: Contrast Imaging
    AKIYAMA Iwaki
    Med Imag Tech, The Japanese Society of Medical Imaging Technology, Vol.32,(No.1) 49 - 52, 2014
  • Compensation Method of Frquency Dependent Attenuation for Tissue Harmonic Imaging
    Takuya Hiraoka; Norio Tagawa; Kan Okubo; Yihsin Ho; Iwaki Akiyama
    2014 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS), IEEE, 1085 - 1088, 2014, Summary international conference
  • 広帯域パルス圧縮画像化における再帰的FDA補正の性能解析
    平岡拓也; 田川憲男; 秋山いわき; 大久保寛
    超音波医学, (公社)日本超音波医学会, 40(Suppl.) S702 - S702, 15 Apr. 2013
  • A Preliminary Study of Ultrasound Doppler Method for Blood Flow Measurement Using Microbubble
    渡邉 公章; 渡辺 好章; 秋山 いわき
    同志社大学理工学研究報告, 同志社大学理工学研究所, 53(4) 93 - 97, Jan. 2013
  • Development of In Vivo Measurement System for Temperature Rise in Animal Tissue under Exposure to Ultrasound with Acoustic Radiation Force
    Naotaka Nitta; Nobuki Kudo; Tomoo Kamakura; Yasunao Ishiguro; Hideki Sasanuma; Nobuyuki Taniguchi; Iwaki Akiyama
    2013 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS), IEEE, 2013 Vol.1 386 - 389, 2013
  • 周波数依存減衰を補正したパルス圧縮広帯域画像化の検討
    河本江平; 田川憲男; 大久保寛; 秋山いわき
    超音波医学, (公社)日本超音波医学会, 39(Suppl.) S516 - S516, 15 Apr. 2012
  • On The Effects of Frequency Dependent Attenuation of Biological Tissues in Ultrasonic Imaging : Transmitting Waveform Relevant to Imaging Depth
    AKIYAMA Iwaki
    Technical report of IEICE. EA, The Institute of Electronics, Information and Communication Engineers, 111(402) 43 - 48, 19 Jan. 2012
  • Wide Band Pulse Compression Imaging with Transmission Compensation for Frequency Dependent Attenuation
    Kouhei Koumoto; Kouhei Nii; Norio Tagawa; Kan Okubo; Iwaki Akiyama
    2012 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS), IEEE, 1658 - 1661, 2012
  • 骨内画像化への応用を目指した広帯域超音波探触子に関する検討
    河本江平; 入江喬介; 田邉将之; 田川憲男; 大久保寛; 秋山いわき; 伊東紘一
    超音波医学, (公社)日本超音波医学会, 37(Suppl.) S469 - S469, 15 Apr. 2010
  • 多共振型圧電振動子の音響特性
    秋山いわき; 吉住夏輝; 斎藤繁実; 大平克己; 高橋修; 和田有司; 小山大介; 中村健太郎
    圧電材料・デバイスシンポジウム, 2010, 2010
  • 超音波による医療画像計測
    秋山いわき; 吉住夏輝; 中村健太郎; 江浦太之; 渡邊好章
    計測と制御, 49 38 - 44, 2010
  • 医療に貢献する超音波技術
    秋山 いわき
    日本音響学会誌, 66 387 - 392, 2010
  • 超音波による医療画像計測
    秋山 いわき
    計測と制御, 49 38 - 44, 2010
  • 2P5-11 Multi-resonance transducer for ultrasonic imaging(Poster Session)
    Yoshizumi Natsuki; Nakamura Kentaro; Saito Shigemi; Ohira Katsumi; Takahashi Osamu; Akiyama Iwaki
    Proceedings of Symposium on Ultrasonic Electronics, Steering committee of symposium on ultrasonic electronics, 30 341 - 342, 18 Nov. 2009
  • 3P5-13 Blood flow measurement by Counter-Crossed Beam Contrast Echo method : Prototype system using ultrasound diagnostic equipment(Poster Session)
    Eura Taishi; Yoshida Kenji; Watanabe Yoshiaki; Akiyama Iwaki
    Proceedings of Symposium on Ultrasonic Electronics, Steering committee of symposium on ultrasonic electronics, 30 547 - 548, 18 Nov. 2009
  • Ultrasonic Imaging Using Multiple Resonance Transducer
    YOSHIZUMI Natsuki; NAKAMURA Kentaro; AKIYAMA Iwaki
    IEICE technical report, The Institute of Electronics, Information and Communication Engineers, 109(107) 43 - 48, 19 Jun. 2009
  • Fundamental study on Counter-Crossed Beam Contrast Echo method : Measurement of flow velocity by sum frequency component
    EURA Taishi; YOSHIDA Kenji; WATANABE Yoshiaki; AKIYAMA Iwaki
    IEICE technical report, The Institute of Electronics, Information and Communication Engineers, 108(410) 105 - 110, 22 Jan. 2009
  • 二周波の交差した超音波ビームを用いる新たなコントラストエコー法
    渡辺 好章; 江浦太之; 吉元直樹; 吉田憲司; 渡辺好章; 秋山いわき
    超音波TECHNO, 日本工業出版, 21(2) 112 - 116, 2009
  • 2P7b-3 Bi-frequency driven transducers for multi-frequency ultrasonic imaging(Poster Session)
    Yoshizumi Natsuki; Saito Shigemi; Koyama Daisuke; Nakamura Kentaro; Akiyama Iwaki
    Proceedings of Symposium on Ultrasonic Electronics, Steering committee of symposium on ultrasonic electronics, 29 293 - 294, 11 Nov. 2008
  • Multi-frequency Ultrasonic Imaging
    AKIYAMA Iwaki
    Japanese journal of medical ultrasonics = 超音波医学, 35 S180 , 15 Apr. 2008
  • 超音波イメージングの最前線
    秋山 いわき; 金井 浩
    Japanese journal of medical ultrasonics = 超音波医学, 35 S179 , 15 Apr. 2008
  • Nonlinear Acoustic Field of Composite-Type Two-Frequency Coaxial Focusing Source
    斎藤 繁実; 秋山 いわき; 吉住 夏輝
    Journal of the College of Marine Science and Technology, Tokai University, Tokai University, 6 107 - 117, 31 Mar. 2008
  • Sum frequency component generated at the crossing region of dual frequency ultrasound beams : Applying to contrast echo imaging
    YOSHIMOTO Naoki; YOSHIDA Kenji; WATANABE Yoshiaki; AKIYAMA Iwaki
    IEICE technical report, The Institute of Electronics, Information and Communication Engineers, 107(468) 53 - 58, 22 Jan. 2008
  • Rescue radar system with array antennas
    Toshio Takeuchi; Hideo Saito; Yoshimitsu Aoki; Akihisa Ohya; Fumitoshi Matsuno; Iwaki Akiyama
    IECON Proceedings (Industrial Electronics Conference), IEEE Computer Society, 1782 - 1787, 2008
  • Measurement of Survivor Location by using GPR with Two Dimensional Array Antenna
    Toshio Takeuchi; Hideo Saito; Yoshimitsu Aoki; Akihisa Ohya; Fumitoshi Matsuno; Iwaki Akiyama
    2008 PROCEEDINGS OF SICE ANNUAL CONFERENCE, VOLS 1-7, IEEE, 2000 - +, 2008
  • 2-08P-42 A new contrast echo imaging method using the crossed beams of two ultrasonic frequencies(Poster session 2)
    Yoshimoto Naoki; Yoshida Kenji; Watanabe Yoshiaki; Akiyama Iwaki
    Proceedings of Symposium on Ultrasonic Electronics, Steering committee of symposium on ultrasonic electronics, 28 277 - 278, 14 Nov. 2007
  • 2-08P-41 Acoustic characteristics of bi-frequency drive annular transducers(Poster session 2)
    Yoshizumi Natsuki; Saito Shigemi; Koyama Daisuke; Nakamura Kentaro; Akiyama Iwaki
    Proceedings of Symposium on Ultrasonic Electronics, Steering committee of symposium on ultrasonic electronics, 28 275 - 276, 14 Nov. 2007
  • Phased array ultrasonic imaging system for medical use
    秋山 いわき
    非破壊検査, 日本非破壊検査協会, 56(10) 504 - 509, Oct. 2007
  • Doppler Modulation Ultrasonic Probe
    YOSHIZUMI Natsuki; AKIYAMA Iwaki; OHYA Akihisa; SAITO Shigemi
    IEICE technical report, The Institute of Electronics, Information and Communication Engineers, 107(96) 17 - 22, 19 Jun. 2007
  • Multi-frequency Ultrasonic Imaging by Nonlinear Effects
    YOSHIZUMI Natsuki; AKIYAMA Iwaki; OHYA Akihisa; SAITO Shigemi
    IEICE technical report, The Institute of Electronics, Information and Communication Engineers, 107(75) 15 - 20, 23 May 2007
  • Two Frequencies of Ultrasonic Waves Transmission Ultrasonic Imaigng
    AKIYAMA Iwaki; OHYA Akihisa; SAITO Shigemi
    Journal of medical ultrasonics = 超音波医学, 34 S309 , 15 Apr. 2007
  • Ultrasonic Imaging by Transmitting Pulsed Waves of Two Frequency : Calculation of Secondary Waves
    AKIYAMA Iwaki; SAITO Shigemi
    IEICE technical report, The Institute of Electronics, Information and Communication Engineers, 106(481) 23 - 28, 18 Jan. 2007
  • Search for survivors buried in rubble by rescue radar with array antennas - Extraction of respiratory fluctuation -
    Iwaki Akiyama; Natsuki Yoshizumi; Akihisa Ohya; Yoshimitsu Aoki; Fumitoshi Matsuno
    SSRR2007 - IEEE International Workshop on Safety, Security and Rescue Robotics Proceedings, 2007
  • P1-49 Computation for Secondary Wave of Two Frequency Ultrasound Propagating in Biological Tissues(Poster session 1)
    Akiyama Iwaki; Saito Shigemi
    Proceedings of Symposium on Ultrasonic Electronics, Steering committee of symposium on ultrasonic electronics, 27 141 - 142, 15 Nov. 2006
  • Ultra Broadband Ultrasonic Imaging : Multi-beam Method by Using Higher Order Harmonic Components
    AKIYAMA Iwaki
    The Journal of the Institute of Electronics, Information and Communication Engineers, The Institute of Electronics, Information and Communication Engineers, 89(10) 901 - 905, 01 Oct. 2006
  • Ultra-broadband Ultrasonic Imaging : Generation of Harmonic Beam by Transducer Divided into Bi-frequency
    AKIYAMA Iwaki; OHYA Akihisa; SAITO Shigemi
    IEICE technical report, The Institute of Electronics, Information and Communication Engineers, 105(553) 1 - 6, 19 Jan. 2006
  • 水中・音響 エコー信号における高次高調波を用いるスペックルノイズの軽減法--二次元モデルによる理論的解析
    秋山 いわき; 大矢 晃久; 斎藤 繁美
    超音波techno, 日本工業出版, 17(5) 40 - 45,127, Sep. 2005
  • Tissue Harmonic Imaging
    AKIYAMA Iwaki
    Journal of medical ultrasonics = 超音波医学, 32(4) 391 - 400, 15 Jul. 2005
  • Automated Extraction of Breast Tumor by Bubble Filling Method
    AKIYAMA Iwaki; TAKIZAWA Yuki; Ohashi Gosuke; KAWASAKI Hiroaki; OHYA Akihisa
    IEICE technical report. Ultrasonics, The Institute of Electronics, Information and Communication Engineers, 105(135) 1 - 6, 17 Jun. 2005
  • 超音波診断(第1回)超広帯域超音波イメージング
    秋山 いわき
    映像情報medical, 産業開発機構, 37(5) 514 - 517, May 2005
  • Speckle reduction by summation of higher order harmonic images
    AKIYAMA Iwaki; OHYA Akihisa
    Japanese journal of medical ultrasonics = 超音波医学, 32 S258 , 15 Apr. 2005
  • A new system for in vivo assessment of the degree of nonlinear generation using the second harmonic component in the echo signals
    FUJII Yasutomo; TANIGUCHI Nobuyuki; AKIYAMA Iwaki; TSAO Jing-Wen; KOIBUCHI Harumi; ONO Tomoko; OMOTO Kiyoka; ITOH Kouichi
    Japanese journal of medical ultrasonics = 超音波医学, (公社)日本超音波医学会, 32(Suppl.) S299 - S299, 15 Apr. 2005
  • Development of Ultra Broadband Ultrasonic Imaging System : Prototype of Mechanical Sector Equipment
    AKIYAMA Iwaki; OHYA Akihisa
    IEICE technical report. Ultrasonics, The Institute of Electronics, Information and Communication Engineers, 105(5) 13 - 17, 08 Apr. 2005
  • Speckle reduction method using higher order harmonic components in echo signals : Theoretical analysis by two dimensional model
    AKIYAMA Iwaki; OHYA Akihisa
    日本音響学会研究発表会講演論文集, 2005(1) 717 - 718, 08 Mar. 2005
  • On The Speckle Reduction Using Higher Order Harmonic Components in Echo Signals : Theoretical Analysis Based on Two Dimensional Model
    AKIYAMA Iwaki; OHYA Akihisa
    IEICE technical report. Ultrasonics, The Institute of Electronics, Information and Communication Engineers, 104(613) 7 - 10, 28 Jan. 2005
  • Enhancement of Stents Using Interference of Low-frequency Ultrasonic Echo Signals
    OHASHI Gosuke; OHYA Akihisa; TOBISE Kazunobu; AKIYAMA Iwaki
    Journal of medical ultrasonics = 超音波医学, 31(6) J431 - J438, 15 Nov. 2004
  • P3-34 Ultrasonic imaging using higher order harmonic components of echo
    Akiyama Iwaki; Ohya Akihisa; Saito Shigemi
    Proceedings of Symposium on Ultrasonic Electronics, Steering committee of symposium on ultrasonic electronics, 25 405 - 406, 27 Oct. 2004
  • Contour Extraction Tool Using Ultrasound Echographic Motion Images
    TAKIZAWA Yuki; AKIYAMA Iwaki; OHYA Akihisa
    IEICE technical report. Ultrasonics, The Institute of Electronics, Information and Communication Engineers, 104(142) 1 - 4, 18 Jun. 2004
  • Development of Ultra Broadband Ultrasonic Imaging System
    AKIYAMA Iwaki; YAMAMOTO Hiroyuki; OHYA Akihisa
    Journal of medical ultrasonics = 超音波医学, 31 S103 , 15 Apr. 2004
  • Ultra Broadband Ultrasonic Imaging : Bi-layer Transmission And Reception Separate Type Probe
    YAMAMOTO H.; AKIYAMA I.; SAITO S.; OHYA A.
    日本音響学会研究発表会講演論文集, 2004(1) 1089 - 1090, 17 Mar. 2004
  • Ultra Broadband Ultrasonic Imaging : Harmonic Generation and Detection by Bi-layer Type Probe
    AKIYAMA Iwaki; YAMAMOTO Hiroyuki; OHYA Akihisa; OHASHI Gosuke; SAITO Shigemi
    Technical report of IEICE. EA, The Institute of Electronics, Information and Communication Engineers, 103(608) 73 - 78, 21 Jan. 2004
  • Ultra Broadband Ultrasonic Imaging
    YAMAMOTO Hiroyuki; AKYAMA Iwaki; OHASHI Gosuke; OHYA Akihisa
    IEICE technical report. Ultrasonics, The Institute of Electronics, Information and Communication Engineers, 103(377) 27 - 30, 23 Oct. 2003
  • Formation of Higher Order Harmonic Images by Using Divided Probe between Transmitting and Receiving Transducer and Speckle Reduction of B-mode Image
    YAMAMOTO Hiroyuki; AKIYAMA Iwaki; OHASHI Gosuke; OHYA Akihisa
    日本音響学会研究発表会講演論文集, 2003(2) 1165 - 1166, 17 Sep. 2003
  • Preface for the special issue on "Recent technology on medical ultrasonics"
    AKIYAMA Iwaki
    The Journal of the Acoustical Society of Japan, The Acoustical Society of Japan (ASJ), 59(9) 550 - 551, 01 Sep. 2003
  • Formation of Higher Order Harmonic Images and Application Using Divided Probe between Transmission and Reception
    YAMAMOTO Hiroyuki; AKIYAMA Iwaki; OHASHI Gosuke; OHYA Akhisa
    IEICE technical report. Ultrasonics, The Institute of Electronics, Information and Communication Engineers, 103(158) 11 - 15, 21 Jun. 2003
  • Study of the Automated Breast Tumor Extraction Using 3D Ultrasound Imaging : The Usefulness of Depth-Width Ratio and Surface-Volume Index
    OMOTO Kiyoka; ITOH Kouichi; CHENG Xiangyong; WANG Yi; TANIGUCHI Nobuyuki; AKIYAMA Iwaki; OTSUKA Shin; MIZUNUMA Hirobumi; OGURA Shigeto; KANAZAWA Kyotaro
    J Med Ultrasonics, 30(2) 103 - 110, 15 Jun. 2003
  • Ultrasonographic Evaluation Using the Internal Echo in Normal and Cirrhotic Livers : Comparison of Accuracy of Gray-Scale and Binary Black-and-White Images and Their Intraobserver Reproducibility and Interobserver Agreement
    WANG Yi; TANIGUCHI Nobuyuki; ITOH Kouichi; FUJII Yasutomo; SHIGETA Kouichirou; OMOTO Kiyoka; AKIYAMA Iwaki
    J Med Ultrasonics, 30(1) 21 - 29, 15 Mar. 2003
  • Formation of Higher Order Harmonic Images and Speckle Reduction Using Divided Probe between Transmission and Reception
    YAMAMOTO Hiroyuki; OZAWA Akio; AKIYAMA Iwaki; OHASHI Gosuke; OHYA Akhisa
    Technical report of IEICE. EA, The Institute of Electronics, Information and Communication Engineers, 102(607) 49 - 52, 21 Jan. 2003
  • E-6 Speckle reduction of ultrasonic echographic image by nonlinear effect
    Akiyama Iwaki; Yamamoto Hiroyuki; Ozawa Akio; Ohashi Gosuke; Ohya Akihisa
    Symposium on ultrasonic electronics, Steering committee of symposium on ultrasonic electronics, (23) 247 - 248, 07 Nov. 2002
  • On The Summation of Higher Order Harmonic Images for Speckle Reduction
    YAMAMOTO Hiroyuki; OZAWA Akio; AKIYAMA Iwaki; OHASHI Gosuke; OHYA Akihisa
    IEICE technical report. Ultrasonics, The Institute of Electronics, Information and Communication Engineers, 102(411) 19 - 24, 18 Oct. 2002
  • Ultrasonic Echo Signal Processing for Enhancement of Stent
    AKIYAMA Iwaki; ARAI Satoshi; OHASHI Gosuke; OHYA Akihisa
    IEICE technical report. Ultrasonics, The Institute of Electronics, Information and Communication Engineers, 102(411) 13 - 18, 18 Oct. 2002
  • Three Dimensional Image Analysis for Breast Cancer Screening using Ultrasonic Imaging Techniques
    MATSUDAIRA Hironori; KAWASAKI Hiroaki; OMOTO Kiyoka; ITO Koiti; AKIYAMA Iwaki
    IEICE technical report. Ultrasonics, The Institute of Electronics, Information and Communication Engineers, 102(411) 25 - 30, 18 Oct. 2002
  • Coding Method for Ultrasonic Echographic Images using Statistical Properties
    AKIYAMA Iwaki; MORI Yusuke; MORI Yusuke; OHASHI Gosuke; OHYA Akihisa
    IEICE technical report. Ultrasonics, The Institute of Electronics, Information and Communication Engineers, 102(170) 13 - 17, 21 Jun. 2002
  • Speckle Reduction using Higher Order Harmonic Images : Development of The Probe with Transmitting And Receiving Transducers
    AKIYAMA Iwaki; MORI Yusuke; OHASHI Gosuke; OHYA Akihisa
    IEICE technical report. Ultrasonics, The Institute of Electronics, Information and Communication Engineers, 102(67) 51 - 58, 13 May 2002
  • 超音波診断装置の課題 スペックルリダクション (総特集 超音波検査50年と最新技術の現況) -- (超音波半世紀)
    秋山 いわき
    月刊新医療, エム・イー振興協会 ; 1975-, 29(5) 43 - 45, May 2002
  • Image Coding Method for Ultrasonic Echography on Speckle Statistics : Application to Motion Picture
    KASHIWAGI T.; OHYA A.; OHASHI G.; AKIYAMA I.
    日本音響学会研究発表会講演論文集, 2002(1) 1175 - 1176, 18 Mar. 2002
  • Image Coding Method for Ultrasonic Echography on Speckle Statistics
    OHYA A.; OHASHI G.; AKIYAMA I.
    日本音響学会研究発表会講演論文集, 2002(1) 1173 - 1174, 18 Mar. 2002
  • Speckle Noise Reduction of Ultrasonic B-mode Image by Summation of Higher Order Harmonic Images
    MORI Yusuke; OHYA Akihisa; OHASHI Gosuke; AKIYAMA Iwaki
    日本音響学会研究発表会講演論文集, 2002(1) 1163 - 1164, 18 Mar. 2002
  • On The Transmitting Ultrasonic Waveform for Observation of Stent through Echography
    TOBISE K.; OHYA A.; OHASHI G.; AKIYAMA I.
    日本音響学会研究発表会講演論文集, 2002(1) 1171 - 1172, 18 Mar. 2002
  • Speckle Reduction by Summation of Higher Order Harmonic Images
    AKIYAMA Iwaki; MORI Yusuke; OHASHI Gosuke; OHYA Akihisa
    Technical report of IEICE. EA, The Institute of Electronics, Information and Communication Engineers, 101(597) 33 - 39, 17 Jan. 2002
  • A Method for Data Compression of Medical Ultrasonic Echograms
    OHYA Akihisa; OHASHI Gosuke; AKIYAMA Iwaki
    The Transactions of the Institute of Electronics,Information and Communication Engineers. A, The Institute of Electronics, Information and Communication Engineers, 84(12) 1469 - 1474, 01 Dec. 2001
  • Ultrasonic Imaging with Narrow Aperture Phased Array
    TAKIZAWA Naoki; OHYA Akihisa; AKIYAMA Iwaki
    The Transactions of the Institute of Electronics,Information and Communication Engineers. A, The Institute of Electronics, Information and Communication Engineers, 84(12) 1516 - 1524, 01 Dec. 2001
  • A Study on Speckle Tracking Method for Three Dimensional Ultrasonic Imaging
    OHASHI Gousuke; TOYODA Toshiyuki; OHYA Akihisa; AKIYAMA Iwaki
    The Transactions of the Institute of Electronics,Information and Communication Engineers. A, The Institute of Electronics, Information and Communication Engineers, 84(12) 1484 - 1491, 01 Dec. 2001
  • Displacement Vector Measurement Using Ultrasound Speckle
    OHASHI Gosuke; OHYA Akihisa; AKIYAMA Iwaki
    IEICE technical report. Ultrasonics, The Institute of Electronics, Information and Communication Engineers, 101(377) 43 - 48, 15 Oct. 2001
  • Speckle Tracking Method for Measurement of Displacement Vectors of Ultrasonic Echographic Images.
    AKIYAMA Iwaki; OHASHI Gosuke; OHYA Akihisa
    日本音響学会研究発表会講演論文集, 2001(2) 1263 - 1264, 01 Oct. 2001
  • Study of Automated Breast Tumor Extraction and Diagnosis Using Three-Dimensional Ultrasonic Imaging : Multivariate Logistic Regression Analysis with Multiple Parameters
    OMOTO Kiyoka; ITOH Kouichi; CHENG Xiangyong; WANG Yi; TANIGUCHI Nobuyuki; AKIYAMA Iwaki; OTSUKA Shin; MIZUNUMA Hirobumi; OGURA Shigeto; KANAZAWA Kyotaro
    Journal of medical ultrasonics : official journal of the Japan Society of Ultrasonics in Medicine, 28(2) 49 - 58, 15 Jun. 2001
  • Study of Automated Breast Tumor Extraction and Diagnosis Using Three-Dimensional Ultrasound Imaging : Clinical Evaluation for Accuracy of Extraction with New Algorithms and Two Equipments
    OMOTO K.; WANG Y.; TANIGUCHI N.; ITOH K.; MIZUNUMA H.; HOZUMI Y.; NAGAI H.; AKIYAMA I.; LIU X-Q; KAWASAKI H.
    J Med Ultrasonics, 28(3) J649 , 15 Apr. 2001
  • ULTASONIC TOMOGRAPHY BY NARROW APERTURE PHASED ARRAY
    Akiyama Iwaki; Tamahashi Takahiro; Ohya Akihisa
    Proceedings of the IEICE General Conference, The Institute of Electronics, Information and Communication Engineers, 2001 479 - 480, 07 Mar. 2001
  • Breast Cancer Screening System using 3D Ultrasonic Echography
    AKIYAMA Iwaki; OMOTO Kiyoka; ITOH Koichi; OHYA Akihisa
    日本音響学会研究発表会講演論文集, 2001(1) 1087 - 1088, 01 Mar. 2001
  • 3D Ultrasonic Imaging by NAPA-CT : On the Image Reconstruction Area Transmitting through Layers of Inhomogeneous Media
    AKIYAMA Iwaki; TAMAHASHI Takahiro; OHYA Akihisa
    Technical report of IEICE. EA, The Institute of Electronics, Information and Communication Engineers, 100(581) 21 - 26, 19 Jan. 2001
  • Ultrasonic Imaging in Three Dimension for Medical Diagnosis
    AKIYAMA Iwaki
    振動・音響新技術シンポジウム講演論文集, 日本機械学会, 2001 256 - 259, 2001
  • RK01 On the reconstructed image of NAPA-CT in heterogeneous media
    Akiyama I.; Tamahashi T.; Ohya A.
    Symposium on ultrasonic electronics, Steering committee of symposium on ultrasonic electronics, (21) 323 - 324, 06 Nov. 2000
  • Three Dimensional Reconstruction of Echographic Images : Tracking of Speckle Pattern by Cross Correlation
    AKIYAMA Iwaki; TOYODA Toshiyuki; OHYA Akihisa
    IEICE technical report. Ultrasonics, The Institute of Electronics, Information and Communication Engineers, 100(333) 37 - 42, 04 Oct. 2000
  • Fast Three Dimensional Imaging using Narrow Aperture Phased Array Computed Tomography
    AKIYAMA I.; TAMAHASHI T.; OHYA A.
    日本音響学会研究発表会講演論文集, 2000(2) 1087 - 1088, 01 Sep. 2000
  • Study of Automated Breast Tumor Extraction and Diagnosis Using Three-Dimensional Ultrasound Imaging : Clinical Evaluation of Preoperative Predictability by Malignancy Probability Expression
    OMOTO Kiyoka; ITOH Kouichi; CHENG Xiangyong; WANG Yi; TANIGUCHI Nobuyuki; AKIYAMA Iwaki; OTSUKA Shin; MIZUNUMA Hirobumi; OGURA Shigeto; NAGAI Hideo
    Journal of medical ultrasonics = 超音波医学, 27(8) 1043 - 1048, 15 Aug. 2000
  • Preface to the special issue
    AKIYAMA Iwaki
    The Journal of the Acoustical Society of Japan, The Acoustical Society of Japan (ASJ), 56(7) 497 - 497, 01 Jul. 2000
  • Study of Automated Breast Tumor Extraction and Diagnosis Using Three-Dimensional Ultrasound Imaging-Comparison between CAD by this System and Doctor's Diagnosis in the Preoperative Predictability-
    OMOTO K.; ITOH K.; CHENG X-Y.; WANG Y.; TANIGUCHI N.; AKIYAMA I.; OTSUKA S.; MIZUNUMA H.; OGURA S.; NAGAI H.
    Journal of medical ultrasonics = 超音波医学, 27(4) 408 - 408, 15 Apr. 2000
  • Breast tumor diagnostic system using neural network
    KAWAURA Y.; OHYA A.; OHASHI G.; CHENG X.; ITOH K.; OMOTO K.; AKIYAMA I.
    日本音響学会研究発表会講演論文集, 2000(1) 1081 - 1082, 01 Mar. 2000
  • On the degradation of harmonic image by heterogeneous layers
    FUKUCHI N.; OHYA A.; AKIYAMA I.
    日本音響学会研究発表会講演論文集, 2000(1) 1069 - 1070, 01 Mar. 2000
  • Narrow aperture phased array computed tomography system
    TAKIZAWA N.; OHYA A.; AKIYAMA I.
    日本音響学会研究発表会講演論文集, 2000(1) 1035 - 1036, 01 Mar. 2000
  • Study of Automated Breast Tumor Extraction and Diagnosis Using Three-Dimensional Ultrasonic Imaging : Multivariate Logistic Regression Analysis with Multiple Parameters
    OMOTO Kiyoka; ITOH Kouichi; CHENG Xiangyong; WANG Yi; TANIGUCHI Nobuyuki; AKIYAMA Iwaki; OTSUKA Shin; MIZUNUMA Hirobumi; OGURA Shigeto; KANAZAWA Kyotaro
    Journal of medical ultrasonics = 超音波医学, 27(2) 119 - 129, 15 Feb. 2000
  • Second Harmonic Beam Degradation in Heterogeneous Media
    AKIYAMA Iwaki; FUKUCHI Norio; OHYA Akihisa
    Technical report of IEICE. EA, The Institute of Electronics, Information and Communication Engineers, 99(589) 29 - 34, 26 Jan. 2000
  • Ultrasonic Imaging using Narrow Aperture Phased Array
    KIYAMA Iwaki; TAKIZAWA Naoki; OHYA Akihisa
    IEICE technical report. Ultrasonics, The Institute of Electronics, Information and Communication Engineers, 99(527) 9 - 16, 21 Dec. 1999
  • Study of the Breast Tumor Extracted Automatedly by 3 D Ultrasound Imaging : Usefulness of Parameters : Depth-Width Ratio and Surface-Volume Ratio Index
    OMOTO Kiyoka; ITOH Kouichi; CHENG Xiangyong; WANG Yi; TANIGUCHI Nobuyuki; AKIYAMA Iwaki; OTSUKA Shin; MIZUNUMA Hirohumi; OGURA Shigeto; KANAZAWA Kyotaro
    Journal of medical ultrasonics = 超音波医学, 26(12) 1197 - 1204, 01 Dec. 1999
  • G-2 Narrow aperture phased array computed tomography : Development of imaging system using concave acoustic lens
    Takizawa N.; Ohya A.; Akiyama I.
    Symposium on ultrasonic electronics, Steering committee of symposium on ultrasonic electronics, (20) 311 - 312, 17 Nov. 1999
  • 医用超音波トモグラフィー (平成10年度〔海洋音響学会〕第2回シンポジウム発表要旨)
    秋山 いわき
    海洋音響学会誌, 海洋音響学会, 26(4) 218 - 221, Oct. 1999
  • Calculate of Sound Field by Naroow Aperture Phased Array.
    TAKIZAWA N.; OHYA A.; AKIYAMA I.
    日本音響学会研究発表会講演論文集, 1999(2) 1169 - 1170, 01 Sep. 1999
  • Ultrasonic Tomography Using Narrow Aperture Phased Array Method : Relation of Aperture Width to Spatial Resolution
    TAKIZAWA Naoki; OHYA Akihisa; AKIYAMA Iwaki
    電気学会研究会資料. MBE, 医用・生体工学研究会, 1999(21) 7 - 12, 26 Jun. 1999
  • Study of the breast tumor extracted automatically by 3D ultrasound imaging : usefulness of dmax^3/Vt, Sz/Sxy and Minkovski dimension
    OMOTO K.; ITOH K.; CHENG X.; WANG Y.; TANIGUCHI N.; AKIYAMA I.; OHTSUKA S.; MIZUNUMA H.; KANAZAWA K.; KAWAI F.
    Journal of medical ultrasonics = 超音波医学, 26(4) 653 - 653, 15 Apr. 1999
  • Study of the breast tumor extracted automatically by 3D ultrasound imaging : usefulness of depth width ratio and surface volume ratio
    OMOTO K.; ITOH K.; CHENG X.; WANG Y.; TANIGUCHI N.; AKIYAMA I.; OHTSUKA S.; MIZUNUMA H.; KANAZAWA K.; KAWAI F.
    Journal of medical ultrasonics = 超音波医学, 26(4) 320 - 320, 15 Apr. 1999
  • Ultrasonic CT Using Narrow Aperture Phased Array : Aperture and beam broadening
    TAKIZAWA N.; OHYA A.; AKIYAMA I.
    Journal of medical ultrasonics = 超音波医学, 26(4) 691 - 691, 15 Apr. 1999
  • Tumor shape evaluation using Neural Network
    OGAWA S.; AKIYAMA I.; ITOH K.; OMOTO K.; OHYA A.
    日本音響学会研究発表会講演論文集, 1999(1) 1111 - 1112, 01 Mar. 1999
  • Tissue Characterization Using Ultrasonic Echography -Color-coding of Texture through Wavelet Transform-
    TAMARU T.; AKIYAMA I; NAKAJIMA M.
    日本音響学会研究発表会講演論文集, 1999(1) 1113 - 1114, 01 Mar. 1999
  • Method for Three-dimensional Display of Blood Vessel in Liver -Higher Quality Imaging-
    URYU T.; AKIYAMA I; NAKAJIMA M
    日本音響学会研究発表会講演論文集, 1999(1) 1115 - 1116, 01 Mar. 1999
  • On the Image using Second Harmonic Component of Echoes
    KUAMAZAWA T.; AKIYAMA I.; OHYA A.
    日本音響学会研究発表会講演論文集, 1999(1) 1121 - 1122, 01 Mar. 1999
  • On The Second Harmonic Components in Echo Signal : Measurement of Acoustic Nonlinearity Parameter
    AKIYAMA Iwaki; OHYA Akihisa
    Technical report of IEICE. EA, The Institute of Electronics, Information and Communication Engineers, 98(532) 17 - 21, 22 Jan. 1999
  • エコー信号における第2高調波と生体組織の音響的非線形性について
    秋山いわき
    Journal of Medical Ultrasonics, 26(4) 282 - 282, 1999
  • New ultrasonic imaging using nonlinear acoustics
    AKIYAMA Iwaki
    The Journal of the Acoustical Society of Japan, The Acoustical Society of Japan (ASJ), 54(10) 739 - 743, 01 Oct. 1998
  • SYNTHETIC APERTURE TOMOGRAPHIC IMAGING USING ULTRASOUND
    AKIYAMA Iwaki; TAKIZAWA Naoki; OHYA Akihisa
    Medical imaging technology, 16(4) 347 - 349, 25 Jul. 1998
  • Breast Tumor Diagnosis System Using Three Dimensional Ultrasonic Echography
    CHENG Xiangyong; AKIYAMA Iwaki; WANG Yi; ITOH Kouichi
    The Transactions of the Institute of Electronics,Information and Communication Engineers., The Institute of Electronics, Information and Communication Engineers, 81(6) 1402 - 1410, Jun. 1998
  • Automated Boundary Extraction of the Breast Tumor Using 3D by Ultrasound Imaging
    WANG Y.; ITOH K.; TEI S.; OMOTO K.; TANIGUCHI N.; AKIYAMA I.; OHTSUKA S.; MIZUNUMA H.; KAWAI F.; KANAZAWA K.
    J Med Ultrasonics, 25(4) 575 - 575, 15 Apr. 1998
  • Three Dimensional Imaging Using Pulse Echo Ultrasonic CT System
    TAKIZAWA N.; AKIYAMA I.
    Journal of medical ultrasonics = 超音波医学, 25(4) 487 - 487, 15 Apr. 1998
  • Study of the breast tumor extracted automatically by 3D ultrasound imaging : comparison with three parameters in the tumor (less than 20mm in diameter)
    OMOTO K.; ITOH K.; TEI S.; WANG Y.; TANIGUCHI N.; AKIYAMA I.; OHTSUKA S.; MIZUNUMA H.; KANAZAWA K.; KAWAI F.
    Journal of medical ultrasonics = 超音波医学, 25(4) 356 - 356, 15 Apr. 1998
  • Evaluation of Morphology for Breast Tumor using Three Dimensional Echography
    OGAWA S.; ITOH K.; OMOTO K.; WANG Y.; AKIYAMA I.
    Journal of medical ultrasonics = 超音波医学, 25(4) 342 - 342, 15 Apr. 1998
  • Ultrasonic Probe Tracking System -Three Dimensional Position Measurement-
    SHIROTA K.; AKIYAMA I.; OHYA A.
    日本音響学会研究発表会講演論文集, 1998(1) 945 - 946, 01 Mar. 1998
  • Discussion of Pulsed echo Ultrasonic CT.
    TAKIZAWA N.; AKIYAMA I.; OHYA A.
    日本音響学会研究発表会講演論文集, 1998(1) 903 - 904, 01 Mar. 1998
  • Characterization of tumor morphology using echogram -Relation of the Minkowski Dimension to Malignant tumor-
    OGAWA S.; AKIYAMA I.; ITOH K.
    日本音響学会研究発表会講演論文集, 1998(1) 895 - 896, 01 Mar. 1998
  • Breast Tumor Diagnosis System Using Three Dimensional Ultrasonic Images
    CHENG Xiangyong; OGAWA Syuji; AKIYAMA Iwaki; ITOH Kouichi; OMOTO Kiyoka; WANG Yi
    Technical report of IEICE. EA, The Institute of Electronics, Information and Communication Engineers, 97(515) 39 - 47, 29 Jan. 1998
  • 第2高調波を利用した非線形音響イメージング
    秋山いわき
    超音波医学, 25 325 - 326, 1998
  • エコー信号における第2高調波について
    秋山いわき
    音響論集, 913, 1998
  • On the second harmonic component in echo signal
    AKIYAMA I.
    Proc. Spring Meet. Acoust. Soc. Jpn., 913 - 914, 1998
  • Three Dimensional Ultrasonic CT by Pulse-echo Technique
    TAKIZAWA Naoki; AKIYAMA Iwaki
    US97-67, The Institute of Electronics, Information and Communication Engineers, 97(333) 45 - 50, 23 Oct. 1997
  • Extraction of Breast Tumors Using Fuzzy Reasoning - Automated Generation of Membership Functions -
    CHENG X. -Y.; ITOH K.; OMOTO K.; WANG Y.; TANIGUCHI N.; OTSUKA S.; MIZUNUMA H.; KANAZAWA K.; OGAWA S.; AKIYAMA I.
    J Med Ultrasonics, 24(9) 406 - 406, 15 Sep. 1997
  • Three dimensional imaging by reflection mode ultrasound computed tomography
    AKIYAMA Iwaki; TAKIZAWA Naoki
    日本音響学会研究発表会講演論文集, 1997(2) 1019 - 1020, 01 Sep. 1997
  • 総論 進歩した超音波医学と将来像 (特集:進歩した超音波医学と将来像(臨床診断を支える超音波技術))
    秋山 いわき
    超音波techno, 日本工業出版, 9(5) 1 - 4, May 1997
  • Automated Detection of Breast Tumors in Echographic Images
    CHENG X. Y.; AKIYAMA I.; ITOH K; WANG Y.; TANIGUCHI N.; OOTSUKA S.; MIZUNUMA H.; KANAZAWA K.; NAKAJIMA M.
    J Med Ultrasonics, 24(3) 576 - 576, 15 Mar. 1997
  • High resolution ultrasonic computed tomography by filtered backprojection method
    AKIYAMA Iwaki; YANO Kiyoshi
    電子情報通信学会技術研究報告. EA, 応用音響, 96(474) 9 - 15, 24 Jan. 1997
  • Ultrasonic Emission CT Using Divergent Waves
    AKIYAMA Iwaki; YANO Kiyoshi
    US, The Institute of Electronics, Information and Communication Engineers, 96(320) 9 - 16, 22 Oct. 1996
  • Automated Boundary Extraction of the Prostate Using 3D Laplacian of Gaussian Filters
    OHHASHI Gousuke; KAWASAKI Ikuyo; AKIYAMA Iwaki; NAKAJIMA Masato
    Japanese journal of medical ultrasonics = 超音波医学, 23(10) 17 - 24, 15 Oct. 1996
  • Ultrasonic Emission CT by Divergent Waves
    AKIYAMA Iwaki
    日本音響学会研究発表会講演論文集, 1996(2) 975 - 976, 01 Sep. 1996
  • Ultrasonic Three Dimensional Target Tracking by Phase Shift Detection
    AKIYAMA I.
    日本音響学会研究発表会講演論文集, 1996(2) 911 - 912, 01 Mar. 1996
  • Ultrasonic Transmission Probing System for Interlocking Nailing Surgery
    MAKINO K.; TAKAGISHI K.; ITOMAN M.; NAKANISHI K.; AKIYAMA I.
    日本音響学会研究発表会講演論文集, 1996(2) 1087 - 1088, 01 Mar. 1996
  • On the relation of self-similarity of biological tissues to the echographic images
    AKIYAMA I.; TANIGUCHI N.; ITOH K.
    IEICE technical report. Ultrasonics, The Institute of Electronics, Information and Communication Engineers, 95(339) 39 - 46, 26 Oct. 1995
  • Correction of Transmission Disturbance at Boundary for Backward Propagation Imaging System
    秋山 いわき
    湘南工科大学紀要 = Memoirs of Shonan Institute of Technology, 湘南工科大学, 29(1) 11 - 15, 25 Mar. 1995
  • 超音波断層映像系と組織診断
    秋山 いわき
    BME : bio medical engineering, 9(2) 33 - 39, 10 Feb. 1995
  • PA-16 Computer Simulation of Ultrasonic B-mode Images Considering Selfsimilarity of Tissue Structures
    Akiyama Iwaki; Ohya Akihisa; Taniguchi Nobuyuki; Itoh Koichi
    Symposium on ultrasonic electronics, Steering committee of symposium on ultrasonic electronics, (15) 61 - 62, 28 Nov. 1994
  • Three-Dimensional Display Method for Ultrasonic Echo Image - Stereoscopic Echography for Display of Superimposed Image of Cross Section and Projection -
    OHYA Akihisa; AMADA Hiroyuki; HATTORI Katsuya; ITOH Kouichi; AKIYAMA Iwaki
    The Transactions of the Institute of Electronics,Information and Communication Engineers., The Institute of Electronics, Information and Communication Engineers, 76(12) 2649 - 2651, 25 Dec. 1993
  • Ultrasonic Speckle Velocimetry for Measurement of Vehicle Ground Speed
    UCHIZAWA Toshio; HYUUGA Shunichirou; AKIYAMA Iwaki
    The Transactions of the Institute of Electronics, Information and Communication Engineers. A, The Institute of Electronics, Information and Communication Engineers, 76(7) 986 - 987, 25 Jul. 1993
  • 超音波像のフラクタル解析による組織性状診断の可能性
    秋山いわき
    超音波医学, 20 643 - 652, 1993
  • 超音波エコー画像の動画像処理による生体内部の運動解析
    秋山いわき
    超音波医学, 20(2) 86 - 94, 1993
  • PA17 Nonlinearity Parameter B/A Mapping using Nonlinear Interaction of Ultrasonic Echo Signals to Puming wave
    Akiyama Iwaki; Kubonoya Hideaki; Ohya Akihisa
    Symposium on ultrasonic electronics, Steering committee of symposium on ultrasonic electronics, (13) 65 - 66, 30 Nov. 1992
  • ホログラフィによる超音波エコー像の立体表示
    秋山いわき
    日本超音波医学会基礎技術研究部会資料, 91 9 - 14, 1992
  • 3H-2 Reflection Imaging of Nonlinearity Parameter Distribution
    Akiyama I.; Koide T.; Kumakura Y.
    Symposium on ultrasonic electronics, Steering committee of symposium on ultrasonic electronics, (11) 181 - 182, 20 Nov. 1990
  • Correction of Diffraction Effects on the Measurement of Acoustic Nonlinearity Parameter by Reflection Mode Method
    秋山 いわき
    相模工業大学紀要 = Memoirs of Sagami Institute of Technology, 湘南工科大学, 24(1) 19 - 22, 31 Mar. 1990
  • Velocity measurement of moving rough surface using ultrasonic speckle fluctuation in echo signals
    Akiyama Iwaki; Miyazaki Fumio; Momokawa Hiroshi
    The Journal of the Acoustical Society of Japan, The Acoustical Society of Japan (ASJ), 46(1) p28 - 32, Jan. 1990
  • B-12 Airborne ultrasound speckle velocimetry
    Akiyama I.; Miyazaki F.; Momokawa H.
    Symposium on ultrasonic electronics, Steering committee of symposium on ultrasonic electronics, (9) 55 - 56, 07 Dec. 1988
  • A Method of Reducing Speckle Noises Appeared in Ultrasound Tomographic Image
    高橋 貴順; 秋山 いわき
    相模工業大学紀要 = Memoirs of Sagami Institute of Technology, 湘南工科大学, 22(1) 29 - 34, 26 Mar. 1988
  • Vectorial Measurement of Displacement in Biological Tissues from Ultrasound Tomographic Images
    秋山 いわき
    相模工業大学紀要 = Memoirs of Sagami Institute of Technology, 湘南工科大学, 22(1) 23 - 28, 26 Mar. 1988
  • パルスエコー方式による非線形パラメータ映像法の提案
    秋山いわき
    日超医講演論文集, 1983, 521 - 522, 1983

Books etc

  • 例題で学ぶ基礎電気回路
    森北出版, 2015
  • アコースティックイメージング
    コロナ社, 2010
  • Acoustical Imaging Vol.29
    AKIYAMA Iwaki
    Springer, Oct. 2009, Editor

Presentations

  • 超音波照射下における骨格筋細胞の筋合成に関する研究
    中村椋介; 市川寛; 牧田ひかる; 氏政かりん; 南山幸子; 秋山いわき
    日本超音波医学会関西地方会第46回学術集会, 26 Oct. 2019, Oral presentation
  • メダカ胚プロテオーム解析による 発生期の超音波照射影響の研究
    西野 嘉晃; 池川 雅哉; 岩崎; 了教; 秋山; いわき; 高柳 真司
    日本超音波医学会関西地方会第46回学術集会, 26 Oct. 2019, Oral presentation
  • Bioeffects of ultrasound with long pulse duration during administration of contrast agents
    AKIYAMA Iwaki
    World Federation for Ultrasound in Medicine and Biology, 06 Sep. 2019, Nominated symposium
  • Measurement of sound velocity change due to ultrasonic heating
    AKIYAMA Iwaki
    World Federation for Ultrasound in Medicine and Biology, 06 Sep. 2019, Nominated symposium
  • 左室補助人工心臓の塞栓リスク評価:超音波による血栓と気泡の検出
    北村公汰
    日本超音波医学会第92回学術集会, 25 May 2019, Oral presentation
  • 超音波とMRIを用いたMRマーカーによるプローブの電子フォーカス
    滑川賢吾
    日本超音波医学会第92回学術集会, 25 May 2019, Oral presentation
  • MRと超音波によるマルチモダリティイメージング
    加藤聖子
    日本超音波医学会第92回学術集会, 24 May 2019, Nominated symposium
  • 造影剤投与後の音響放射力インパルスを伴う超音波照射による 期外収縮の誘発
    利府数馬
    日本超音波医学会第92回学術集会, 24 May 2019, Oral presentation
  • 音響放射力インパルスによるウサギの肺損傷について
    高山法也
    日本超音波医学会第92回学術集会, 24 May 2019, Oral presentation
  • Estimation of the thermo-physical property of biological tissues from temperature rise due to ultrasound exposure.
    TSUJIMOTO Yukako; AKIYAMA Iwaki
    Acoustical Society of America, 09 Nov. 2018, Oral presentation
  • Lung Hemorrhage induced by acoustic radiation force impulse elastography:A preliminary study in rabbits
    TAKAYAMA Noriya; SASANUMA Hideki; RIFU Kazuma; FURUYA M; LEFOR K; AKIYAMA Iwaki; N.Taniguchi
    EUROSON, 07 Sep. 2018, Poster presentation
  • Simultaneous Ultrasonic Imaging under Magnetic Resonance Imaging
    AKIYAMA Iwaki
    13th Congress of Asian Federation of Societies for Ultrasound in Medicine and Biology, 24 May 2018, Invited oral presentation
  • 造影剤投与後の音響放射力インパルスを伴う超音波照射による期外収縮の誘発
    利府数馬; 笹沼英紀; 高山法也; 高野わかな; 石黒保直; 小形幸代; 秋山いわき; 谷口信行
    超音波医学, 15 Apr. 2018
  • 超音波照射によるメダカ胚のプロテオーム解析
    池川雅哉; 松本恵李那; 吉田憲司; 秋山いわき; 廣瀬まゆみ; 渡辺好章
    超音波医学, 15 Apr. 2018
  • 音響放射力インパルスが肺に及ぼす影響―ウサギを用いた動物実験―
    高山法也; 笹沼英紀; 利府数馬; 高野わかな; 石黒保直; 秋山いわき; 谷口信行
    超音波医学, 15 Apr. 2018
  • MRと超音波のマルチモダリティ・イメージング
    秋山いわき; 新井慎平; 稲垣拳; 坂和直幸; 新田尚隆; 平井都始子
    超音波医学, 15 Apr. 2018
  • 高周波超音波の照射に伴うDNA分子の二重鎖切断
    吉田憲司; 石原和也; 秋山いわき; 吉川研一; 渡辺好章
    超音波医学, 15 Apr. 2018
  • 音響放射力インパルスによる肺損傷についての検討―ウサギを用いた動物実験―
    高山法也; 笹沼英紀; 利府数馬; 古屋元秀; 石黒保直; 秋山いわき; 谷口信行
    日本超音波医学会関東甲信越地方会学術集会抄録集, 2018
  • 造影剤投与後の音響放射力インパルスを伴う超音波照射による期外収縮の誘発
    利府数馬; 笹沼英紀; 高山法也; 高野わかな; 石黒保直; 小形幸代; 秋山いわき; 谷口信行
    日本超音波医学会関東甲信越地方会学術集会抄録集, 2018
  • 音響放射力インパルスが肺に及ぼす影響―ウサギを用いた動物実験―
    高山法也; 笹沼英紀; 利府数馬; 高野わかな; 新田尚隆; 石黒保直; 秋山いわき; 谷口信行
    超音波医学, 15 Apr. 2017
  • Effect on Rabbit Heart Exposure to Ultrasound with Long Pulse Duration
    AKIYAMA Iwaki
    International Congress on Ultrasonics, 2017
  • 超音波照射による生体への影響について
    秋山 いわき
    第85回バイオメクフォーラム21研究会, 2017
  • Measurement of thermal properties of the biological tissues by ultrasonic heating
    Yukako Tsujimoto; Mai Morimoto; Naotaka Nitta; Iwaki Akiyama
    Artimino Conference, 2017
  • 超音波加温による生体組織の熱物性の超音波測定
    辻本祐加子; 森本 舞; 新田尚隆; 秋山いわき
    日本超音波医学会第90回学術集会, 2017
  • 超音波加温による生体組織の体積熱容量の測定
    金山寛明; 杉山真璃子; 新田尚隆; 秋山いわき
    日本超音波医学会第90回学術集会, 2017
  • 超音波照射による DNA 分子の二重鎖切断
    石原和也; 山下悠介; 吉田憲司; 秋山いわき; 剣持貴弘; 吉川裕子; 吉川研一; 渡辺好章
    日本超音波医学会第90回学術集会, 2017
  • 生体内部の音速分布を考慮した超音波イメージング -超音波とMRの同時撮像による音速分布の推定とその補正-
    稲垣拳; 小南成史; 秋山いわき
    日本音響学会2017年春季研究発表会, 2017
  • MHz帯超音波照射に伴う巨大DNA分子の二重鎖切断の音圧依存性
    山下悠介; 吉田憲司; 渡辺好章; 秋山いわき; 剣持貴弘; 吉川研一; 吉川祐子
    日本音響学会2017年春季研究発表会, 2017
  • fMRIを用いた情動想起時のコネクティビティの検討
    岩田直樹; 奥谷晃久; 岩川幹生; 笹部孝司; 渡辺好章; 秋山いわき
    2017年電子情報通信学会総合大会, 2017
  • スパース撮像法を用いたfMRIと脳波計の同時計測の精度向上
    畑田大翼; 内藤葵; 吉田祥子; 岩田直樹; 奥谷晃久; 岩川幹生; 笹部孝司; 渡辺好章; 秋山いわき
    2017年電子情報通信学会総合大会, 2017
  • MR高磁場環境下で用いる超音波イメージングの開発
    新井慎平; 森泉裕貴; 小南成史; 稲垣拳; 二矢川和也; 秋山いわき
    第56回日本生体医工学会大会, 2017
  • 超音波照射されたメダカ胚のプロテオーム解析
    松本恵李那; 吉田憲司; 秋山いわき; 廣瀬まゆみ; 池川雅哉; 渡辺好章
    第2回アコースティックイメージング研究会, 2017
  • 医用超音波照射によるDNA分子の二重鎖切断について
    石原和也; 山下悠介; 吉田憲司; 秋山いわき; 渡辺好章; 吉川研一
    第2回アコースティックイメージング研究会, 2017
  • RIの画像情報を用いる音速推定のためのモデル式構築 -拡散係数有無による 影響及び有意性-
    坂和直幸; 秋山いわき
    日本超音波医学会第44回関西地方会学術集会, 2017
  • 粘性内包物を含むファントムを用いたShear Wave Elastographyの検討
    藤岡亮輔; 秋山いわき; 椎名毅; 山川誠; 近藤健悟; 浪田健
    日本超音波医学会第44回関西地方会学術集会, 2017
  • Ultrasonic imaging of sum frequency components by crossed beam contrast echo method.
    KIHARA Ayane; KANAI Kazumasa AKIYAMA Iwaki
    5th Joint Meeting of the Acoustical Society of America and Acoustical Society of Japan, 02 Dec. 2016, Oral presentation
  • Proposal of Ultrasonic Imaging of thermophysical property distribution in vivo by ultrasonic heating
    M. Morimoto; Y. Tsujimoto; I. Akiyama
    Acoustical Soceity of America, 02 Dec. 2016, Oral presentation
  • Measurement of volumetric heat capacity of biological tissues heated by ultrasound exposure,
    M. Sugiyama; H. Kanayama; I. Akiyama
    Acoustical Soceity of America, 01 Dec. 2016, Poster presentation
  • 音響放射力を伴う超音波による生体組織の温度上昇
    秋山 いわき
    Jpn J. Med. Ultrasonics, 2016
  • 音響放射力インパルス(ARFI)を伴う超音波と期外収縮
    秋山 いわき
    Jpn J. Med. Ultrasonics, 2016
  • MRで撮像された画像情報を用いた超音波イメージングの歪み補正
    小南成史; 稲垣拳; 秋山いわき
    日本超音波医学会第43回関西地方会学術集会, 2016
  • MRIの画像情報を用いる音速推定のための予備実験
    坂和直幸; 三原伸公; 秋山いわき
    日本超音波医学会第89回学術集会, 2016
  • FBGセンサによるMHz超音波音圧計測
    松尾晃佑; 秋山いわき
    日本超音波医学会第89回学術集会, 2016
  • 骨表面組織における超音波照射による温度上昇について
    高野わかな; 赤井一揮; 石黒保直; 谷口信行; 新田尚隆; 秋山いわき
    日本超音波医学会第89回学術集会, 2016
  • fMRIがEEGに及ぼすノイズの除去手法の検討,
    岩田直樹; 奥谷晃久; 渡辺好章; 秋山いわき; 笹部孝司; 岩川幹生
    電子情報通信学会2016年総合大会, 2016
  • fMRI環境下におけるERP解析の研究
    畑田大翼; 奥谷晃久; 長雄紅美; 渡辺好章; 秋山いわき; 笹部孝司; 岩川幹生
    電子情報通信学会2016年総合大会, 2016
  • 音響キャビテーション発生に伴うメダカ胚への影響
    山田健人; 阪口裕暉; 松本恵李那; 吉田憲司; 殿山泰弘; 廣瀬まゆみ; 秋山いわき; 渡辺好章
    日本音響学会2016年春季研究発表会, 2016
  • 造影剤投与下における超音波照射が生体熱的作用に与える影響について
    赤井 一揮; 高橋 敦; 新田 尚隆; 石黒 保直; 谷口 信行; 秋山 いわき
    超音波医学, Apr. 2015, Apr. 2015, Apr. 2015, (公社)日本超音波医学会
  • 音響放射力を伴う超音波照射による骨表面上の温度上昇について
    秋山 いわき
    日本音響学会2016年春季研究発表会, 2015
  • ビーム交差コントラストエコー法を用いた速度ベクトルの超音波測定
    秋山 いわき
    日本超音波医学会第88会学術集会, 2015
  • 超音波加温による生体組織の体積熱容量の測定法
    秋山 いわき
    日本超音波医学会第88会学術集会, 2015
  • 超音波パルスエコー方式による生体内部の温度上昇分布のイメージング
    秋山 いわき
    日本超音波医学会第88会学術集会, 2015
  • 造影剤投与下にける超音波照射が生体熱的作用に与える影響について
    秋山 いわき
    日本超音波医学会第88会学術集会, 2015
  • 超音波ビーム交差コントラストエコー法による非線形イメージング
    秋山 いわき
    日本音響学会2015年秋季研究発表会, 2015
  • Shear Wave Elastography のための粘性球体内包物を含むファントムの作成
    秋山 いわき
    日本超音波医学会 第42回関西地方会学術集会, 2015
  • MRIの画像情報を用いた生体組織の音速推定について -T1・T2値と音速の関係-
    秋山 いわき
    日本超音波医学会 第42回関西地方会学術集会, 2015
  • ファイバブラッググレーティング(FBG)センサを用いた超音波音圧と温度の同時計測
    秋山 いわき
    第56回光波センシング技術研究会講演会, 2015
  • Simultaneous measurement of sound pressure and temperature of tissue mimicking material by an optical fiber Brag grating sensor,
    AKIYAMA Iwaki
    Acoustical Society of America, 2015
  • On the thermal effect in biological tissues exposed to ultrasound of longer pulse duration after administration of contrast agents
    AKIYAMA Iwaki
    IEEE International Ultrasonics Symposium, 2015
  • 最近の超音波イメージング新技術とその展望,
    秋山 いわき
    日本超音波医学会 第42回関西地方会学術集会, 2015
  • Safety of Medical Ultrasound
    AKIYAMA Iwaki
    Asian Symposium on Advanced Ultrasound Technology, 2015
  • 超音波による生体組織の単位体積あたりの熱容量の測定 -ファントム実験-
    秋山 いわき
    電子情報通信学会 超音波研究会, 2014
  • Measurement of temperture rise of tissue heating by ultrasonic pulse-echo method
    AKIYAMA Iwaki
    The 11th Congress of Asian Federation of Societies for Ultrasound in Medicine and Biology, 2014
  • マイクロバブルを用いた血流速度ベクトルの超音波計測
    秋山 いわき
    第35回超音波エレクトロニクスの基礎と応用に関するシンポジウム, 2014
  • 生体組織の局所加熱による温度上昇分布の超音波計測
    秋山 いわき
    第35回超音波エレクトロニクスの基礎と応用に関するシンポジウム, 2014
  • 超音波照射によるFBGセンサーと熱電対の温度上昇測定の比較
    秋山 いわき
    第35回超音波エレクトロニクスの基礎と応用に関するシンポジウム, 2014
  • 超音波Bモード像における音速分布の補正
    秋山 いわき
    日本超音波医学会第88回学術集会, 2014
  • 超音波による生体組織の熱的特性の測定法の提案
    秋山 いわき
    日本超音波医学会第41回関西地方会学術集会, 2014
  • 超音波による生体組織の温度上昇測定
    秋山 いわき
    日本超音波医学会第41回関西地方会学術集会, 2014
  • 音速分布を考慮した超音波イメージング -MRIによる音速推定の試み-
    秋山 いわき
    日本超音波医学会第87回学術集会, 2014
  • 光ファイバセンサを用いた超音波・温度の同時多点計測
    秋山 いわき
    日本音響学会2014年春季研究発表会, 2014
  • 超音波による生体組織の温度上昇の測定について
    秋山 いわき
    日本音響学会2014年春季研究発表会, 2014
  • マイクロバブルを用いた超音波ドプラ血流計測法の検討,
    秋山 いわき
    日本音響学会2014年春季研究発表会, 2014
  • Biological effects of tissue exposed to ultrasound with acoustic radiation force
    秋山 いわき
    The 11th Congress of the Asian Federation of Societies for Ultrasound in Medicine and Biology, 2014
  • 超音波診断装置の安全性を理解する
    秋山 いわき
    日本超音波医学会関西地方会第41回関西地方会, 2014
  • In vivo measurement of temperature rise living ravvit's liver exposed to ultrasound with acoustic radiation force
    Notaka Nitta; Yasunao Ishiguro; Hideki Sasanuma; Nobuyuki Taniguchi; Iswaidssss
    Proceedings of IEEE International Ultrasonics Symposium, 2014
  • Multipoint measurement of sound pressure and temperature in biological tissues by using optical fiber sensors
    AKIYAMA Iwaki
    166th Meeting of the Acoustical Society of America, 2013
  • 光ファイバセンサを用いた超音波と温度変化の分離測定
    秋山 いわき
    電子情報通信学会超音波研究会, 2013
  • マイクロバブルの非線形振動を用いた血流速度計測法の検討
    秋山 いわき
    第3回アコースティックイメージング研究会, 2013
  • 周波数依存減衰を補正したパルス圧縮広帯域画像化の検討
    秋山 いわき
    日本超音波医学会第85回学術集会, 2012
  • 超音波照射と温度上昇との関係
    秋山 いわき
    日本超音波医学会第85回学術集会, 2012
  • Multi-Frequency Ultrasonic Imaging using Multiple Resonance Piezoelectric Transducer
    秋山 いわき
    International Conference on Sensing, Imaging and Signal Processing, 2012
  • Temperature Rise by Exposure of Ultrasound with Acoustic Radiation Force
    秋山 いわき
    Joint Congress of Medical Ultrasound in Seoul, 2012
  • Wide Band Pulse Compression Imaging with Transmission Compensation for Frequency Dependent Attenuation
    Kouhei Koumoto; Kouhei Nii; Norio Tagawa; Kan Okubo; Iwaki Akiyama
    Proceedings of the IEEE Ultrasonics Symposium, 2012
  • Temperature Elevation of Biological Tissue Model Exposed by Focused Ultrasound with Acoustic Radiation Force
    Naotaka Nitta; Nobuki Kudo; Iwaki Akiyama
    Proceedings of 19th International Symposium on Nonlinear Acoustics, 2012
  • ent of multiple frequency ultrasonic imaging system by using multi-resonance piezoelectric transducer
    AKIYAMA Iwaki
    第32回超音波エレクトロニクスの基礎と応用に関するシンポジウム講演論文集, 2011
  • アコースティックイメージングの最近の動向
    秋山 いわき
    アコースティックイメージングの最近の動向, 2011
  • アコースティックイメージングの最近の動向
    秋山 いわき
    日本音響学会春季研究発表会, 2011
  • WFUMB Safety Committeeにおける安全性への取り組み
    秋山 いわき
    日本超音波医学会第84回学術集会, 2011
  • Basic Concepts of Safety of Ultrasound Diagnostic Equipment
    秋山 いわき
    AFSUMB Workshop 2011, 2011
  • 超音波診断装置の基礎から最近の新しい技術まで
    秋山 いわき
    日本超音波医学会関東甲信越地方会第23回学術集会, 2011
  • 多共振型圧電振動子を用いた多周波超音波イメージングによる画質改善
    秋山 いわき
    日本超音波医学会第84回学術集会, 2011
  • Numerical Evauation of a Composite-based Multiple-Resonance Transducer
    Kentaro Nakamura; Yuji Wada; Daisuke Koyama; Shigemi Saito; Iwaki Akiyama
    Proceedings of IEEE Ultrasonics Symposium, 2011
  • 1Pa-60 Study on Influence of Frequency Dependent Attenuation for Wideband Pulse Compression Imaging(Poster Session)
    Koumoto Kouhei; Tanabe Masayuki; Okubo Kan; Tagawa Norio; Akiyama Iwaki
    Proceedings of Symposium on Ultrasonic Electronics, 06 Dec. 2010, 06 Dec. 2010, 06 Dec. 2010, Steering committee of symposium on ultrasonic electronics
  • Effects of ultrasonic multiple scattering by microbubbles on Doppler frequency spectrum
    AKIYAMA Iwaki
    Proceedings of Symposium on Ultrasonic Electronics, 2010
  • Study on Influence of Frequency Dependent Attenuation for Wideband Pulse Compression
    AKIYAMA Iwaki
    Proceedings of Symposium on Ultrasonic Electronics,, 2010
  • 厚い共振板を接着した多共振型圧電振動子による多周波イメージング
    秋山 いわき
    日本音響学会秋季研究発表会, 2010
  • Speckle reduction by multiple- frequency ultrasonic imaging
    秋山 いわき
    9th Congress of Asian Federation of Societies for Ultrasound in Medicine and Biology, 2010
  • 骨内画像化への応用を目指した広帯域超音波探触子に関する検討
    秋山 いわき
    日本超音波医学会第83回学術集会, 2010
  • 多共振型振動子による超音波イメージング
    秋山 いわき
    日本超音波医学会第83回学術集会, 2010
  • ハンドヘルドカメラのオンラインキャリブレーションによる瓦礫下生存者検知用棒状レーダーセンサーの位地姿勢推定
    秋山 いわき
    第16回画像センシングシンポジウム, 2010
  • 多共振型圧電振動子
    秋山 いわき
    2010年春季第57回 応用物理学関係連合講演会, 2010
  • 厚い共振板を接着した多共振型圧電振動子の音響特性
    秋山 いわき
    日本音響学会 2010年春季研究発表会, 2010
  • 超音波ドプラ法を併用する Counter-Crossed Beam Contrast Echo法の検討
    秋山 いわき
    日本音響学会 2010年春季研究発表会, 2010
  • 厚い共振板を接着した多共振型圧電振動子による多周波イメージング
    秋山 いわき
    日本音響学会秋季研究発表会, 2010
  • 厚い共振板を接着した多共振型圧電振動子の音響特性
    秋山 いわき
    日本音響学会 2010年春季研究発表会, 2010
  • 超音波ドプラ法を併用する Counter-Crossed Beam Contrast Echo法の検討
    秋山 いわき
    日本音響学会 2010年春季研究発表会, 2010
  • 多共振型圧電振動子による超音波診断装置の開発
    秋山 いわき
    電子情報通信学会超音波研究会, 2010
  • Multiple Frequencies Ultrasonic Imaging Using Multiple-Resonance Transducer
    Iwaki Akiyama; Shigemi Saito; Kentaro Nakamura
    Proceedings of IEEE Ultrasonics Symposium, 2010
  • Numerical Evauation of a Composite-based Multiple-Resonance Transducer
    秋山 いわき
    Proceedings of IEEE Ultrasonics Symposium, 2010
  • 3P5-13 Blood flow measurement by Counter-Crossed Beam Contrast Echo method : Prototype system using ultrasound diagnostic equipment(Poster Session)
    Eura Taishi; Yoshida Kenji; Watanabe Yoshiaki; Akiyama Iwaki
    Proceedings of Symposium on Ultrasonic Electronics, 18 Nov. 2009, 18 Nov. 2009, 18 Nov. 2009, Steering committee of symposium on ultrasonic electronics
  • 2P5-11 Multi-resonance transducer for ultrasonic imaging(Poster Session)
    Yoshizumi Natsuki; Nakamura Kentaro; Saito Shigemi; Ohira Katsumi; Takahashi Osamu; Akiyama Iwaki
    Proceedings of Symposium on Ultrasonic Electronics, 18 Nov. 2009, 18 Nov. 2009, 18 Nov. 2009, Steering committee of symposium on ultrasonic electronics
  • Ultrasonic Imaging Using Multiple Resonance Transducer
    YOSHIZUMI Natsuki; NAKAMURA Kentaro; AKIYAMA Iwaki
    IEICE technical report, 19 Jun. 2009, 19 Jun. 2009, 19 Jun. 2009, The Institute of Electronics, Information and Communication Engineers
  • Fundamental study on Counter-Crossed Beam Contrast Echo method : Measurement of flow velocity by sum frequency component
    EURA Taishi; YOSHIDA Kenji; WATANABE Yoshiaki; AKIYAMA Iwaki
    IEICE technical report, 22 Jan. 2009, 22 Jan. 2009, 22 Jan. 2009, The Institute of Electronics, Information and Communication Engineers
  • 心拍振動を静止車両の振動から抽出する新たな信号処理方法の開発
    秋山 いわき
    第10回 計測自動制御学会 システムインテグレーション部門講演会,2009年12月25日, 2009
  • 二周波数超音波ビームの交差による低周波差音を利用した非線形分布計測
    秋山 いわき
    日本音響学会春季研究発表会, 2009
  • Counter-Crossed Beam Contrast Echo法による超低速血流の映像化
    秋山 いわき
    日本音響学会春季研究発表会, 2009
  • 多周波超音波イメージング
    秋山 いわき
    日本超音波医学会第82回学術集会, 2009
  • Broadband characteristics of piezoelectric transducer bonded to a thick plate resonator
    秋山 いわき
    The Acoustical Society of America, 2009
  • 心拍振動を静止車両の振動から抽出する新たな信号処理方法の開発
    秋山 いわき
    第10回 計測自動制御学会 システムインテグレーション部門講演会, 2009
  • 二周波数超音波ビームの交差による低周波差音を利用した非線形分布計測
    秋山 いわき
    日本音響学会春季研究発表会, 2009
  • Counter-Crossed Beam Contrast Echo法による超低速血流の映像化
    秋山 いわき
    日本音響学会春季研究発表会, 2009
  • Multiple Frequencies Ultrasonic Imaging Using Multiple-Resonance Transducer
    秋山 いわき
    Proceedings of IEEE Ultrasonics Symposium, 2009
  • 2P7b-3 Bi-frequency driven transducers for multi-frequency ultrasonic imaging(Poster Session)
    Yoshizumi Natsuki; Saito Shigemi; Koyama Daisuke; Nakamura Kentaro; Akiyama Iwaki
    Proceedings of Symposium on Ultrasonic Electronics, 11 Nov. 2008, 11 Nov. 2008, 11 Nov. 2008, Steering committee of symposium on ultrasonic electronics
  • 多周波超音波イメージング
    秋山 いわき
    日本超音波医学会第81回学術集会, 2008
  • Measurement of Secondary Waves Generated by Nonlinear Vibration of Microbubbles in the Crossed Beams of Two Ultrasonic Frequencies
    I.Akiyama; N.Yoshimoto; K.Yoshida; Y.Watanabe
    Proceedings of 18th International Symposium on Nonlinear Acoustics, 2008
  • Rescue Radar System with Array Antennas
    T. Takeuchi; H. Saito; Y. Aoki; A. Ohya; F. Matsuno; I. Akiyama
    Proceedings of The 34th Annual Conference of the IEEE Industrial Electronics Society, 2008
  • Measurement of Survivor Location by using GPR with Two Dimensional Array Antenna
    T. Takeuchi; H. Saito; Y. Aoki; A. Ohya; F. Matsuno; I. Akiyama
    Proceedings of SICE Annual Conference, 2008
  • Measurement of Survivor Location for Rescue Radar System by using Two Dimensional Array Antenna
    T. Takeuchi; Y. Uematsu; H. Saito; Y. Aoki; A. Ohya; F. Matsuno; I. Akiyama
    Proceedings of the IEEE International Workshop on Safety, Security and Rescue Robotics, 2008
  • Search for Survivors Buried in Rubble by Rescue Radar with Array Antennas - Extraction of Respiratory Fluctuation -
    Iwaki Akiyama; Natsuki Yoshizumi; Akihisa Ohya; Yoshimitsu Aoki; Fumitoshi Matsuno
    Proceedings of the IEEE International Workshop on Safety, Security and Rescue Robotics, 2007
  • 超音波診断装置の広帯域化とスペックルについて 新しい非線形パラメータ推定法 装置広帯域化に伴う新しい展開
    藤井 康友; 谷口 信行; 秋山 いわき; 伊東 紘一
    超音波医学, Apr. 2006, Apr. 2006, Apr. 2006, (公社)日本超音波医学会
  • 超音波照射による生体組織の温度上昇のFBGによる測定と体積熱容量の推定
    真鍋稔生
    Oral presentation
  • MRIで撮像された画像情報を用いる超音波イメージング -高磁場対応超音波プローブの試作-
    森泉裕貴; 新井慎平; 二矢川和也; 秋山いわき
    日本超音波医学会第43回関西地方会学術集会

Industrial Property Rights

  • Patent right
    超音波診断装置、超音波診断方法、及びプログラム
    秋山 いわき, 北村公汰, 斎藤こずえ, 猪原匡史, 福嶌教偉, 長束一行, 瀬口理, 巽英介
    特願2019-093103
  • Patent right
    超音波診断装置
    秋山 いわき, 辻本祐加子, 田中利洋, 平井都始子, 南口貴世介
    特願2018-201077
  • Patent right
    超音波診断装置
    秋山 いわき
    特願2018-201075
  • Patent right
    超音波診断装置及びその画像形成方法
    秋山 いわき
    特願2015-140910, 特願2015-140910

Research Projects

  • Middle level output exposed to ultrasound effected by biological generation and growth
    AKIYAMA Iwaki
    Japan Society of Promotion of Science, Basic Research (B), 2019/04 -2022/03, Principal investigator, Competitive research funding
  • 造影剤投与後の心臓に対する音響放射力インパルスの安全性評価
    秋山 いわき
    基盤研究(B)(一般), 2016 -2018, Principal investigator, Competitive research funding
  • 超音波を基軸とした新たな医療技術開発の拠点形成ーヒトにやさしい医療を目指してー
    秋山 いわき
    文部科学省, 私立大学戦略的研究基盤形成支援事業, 文部科学省各種事業, 2013/10 -2017/03, Principal investigator, Competitive research funding
  • 音響放射力を伴う超音波の生体への影響
    秋山 いわき
    基盤研究(B)(一般), 2011 -2013, Principal investigator, Competitive research funding

Teaching Experience

  • Advanced Lecture of Medical Imaging System
    International Science and Technology Course, Doshisha University
  • Advanced Lecture of Ultrasonic Electronics
    International Science and Technology Course, Doshisha University
  • 超音波医科学深論
    同志社大学大学院
  • 医用画像システム特論
    同志社大学大学院
  • 超音波医科学特論
    同志社大学大学院
  • 電子計測
    同志社大学
  • エレクトロニクス
    同志社大学

Research Seeds

  • Measurement of temperature dependence of sound velocity for biological tissues
    Research Fields: Life Sciences, Medical and Pharmaceutical Sciences, Machinery and Measuring Equipment
  • US and MR Multimodality Imaging of The Heart
    Research Fields: Medical and Pharmaceutical Sciences, Machinery and Measuring Equipment
  • Image Quoality Improvement of Echography by using Image Information of MRI
    Research Fields: Medical and Pharmaceutical Sciences, Life Sciences, Sports , Healthcare and Welfare
    Affiliation/Name: Iwaki Akiyama
  • Measurement of volumetric Heat Capacity of Biological Tissues by Ultrasound
    Research Fields: Medical and Pharmaceutical Sciences, Life Sciences, Sports , Healthcare and Welfare
    Affiliation/Name: Iwaki Akiyama