Updated on 2024/05/10

写真a

 
IWAI Takeo
 
Title
Professor
Date of Birth
1967
Laboratory Phone number
+81-23-628-5401
 
Laboratory Fax number
+81-23-628-5019
 

Research Areas

  • Life Science / Radiological sciences

  • Natural Science / Solid earth sciences

  • Energy Engineering / Nuclear engineering

  • Energy Engineering / Quantum beam science

  • Energy Engineering / Nuclear fusion

  • Life Science / Radiological sciences

  • Natural Science / Solid earth sciences

  • Energy Engineering / Nuclear engineering

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Graduating School

  • The University of Tokyo, Faculty of Engineering

    1990.03, Graduated

Graduate School

  • The University of Tokyo, Graduate School, Division of Engineering

    Doctor's Course, 1995, Completed

  • The University of Tokyo, Graduate School, Division of Engineering

    Doctor's Course, 1995.03, Completed

External Career

  • , Research Assistant, 1995.04 - 2005.03

  • , Research Assistant, 2005.04 - 2007.03

  • , Assistant Professor, 2007.04 - 2013.08

  • Yamagata University, Professor, 2016.04 -

Academic Society Affiliations

  • JAPANESE POSITRON SCIENCE SOCIETY

  • JAPANESE SOCIETY FOR RADIATION ONCOLOGY

  • JAPAN SOCIETY OF MEDICAL PHYSICS

  • PARTICLE ACCELERATOR SOCIETY OF JAPAN

 

Research Career

  • Mechanisms of radiation embrittlement of LWR pressure vessel steels, 1990.04 -

  • R&D of materials for fusion reactor, 1994.04 - 1998.03

  • Development of in-situ positron beam defect analysis during ion irradiation, 1998.04 -

  • Solid microparticle acceleration by an electrostatic accelerator and its appliation, 1998.04 -

  • R&D of the apparatus for heavy particle cancer therapy, 2013.08 -

Papers

  • Evaluation of the availability of single-position treatment with a rotating gantry and the validity of deformable image registration dose assessment for pancreatic cancer carbon-ion radiotherapy, JOURNAL OF APPLIED CLINICAL MEDICAL PHYSICS, e14330, 2024.03

    Miyasaka, Y; Kawashiro, S; Lee, SH; Souda, H; Ichikawa, M; Chai, H; Ishizawa, M; Ono, T; Sato, H; Iwai, T

    Single Author

  • A robust treatment planning approach for chest motion in postmastectomy chest wall intensity modulated radiation therapy, JOURNAL OF APPLIED CLINICAL MEDICAL PHYSICS, 25(1) e14217, 2024.01

    Miyasaka, Y; Ono, T; Chai, HB; Souda, H; Lee, SH; Ishizawa, M; Akamatsu, H; Sato, H; Iwai, T

    Single Author

  • Error on the stopping power ratio of ERKODENT's mouthpiece for head and neck carbon ion radiotherapy treatment, JOURNAL OF APPLIED CLINICAL MEDICAL PHYSICS, 24(5) e13987, 2023.05

    Lee, SH; Kanai, T; Souda, H; Miyasaka, Y; Chai, H; Ono, T; Yamazawa, Y; Suzuki, K; Sato, A; Katsumata, M; Iwai, T

    Single Author

  • Development of a quantitative analysis method for assessing patient body surface deformation using an optical surface tracking system, RADIOLOGICAL PHYSICS AND TECHNOLOGY, 15(4) 367-378, 2022.12

    Sato, K; Kanai, T; Lee, SH; Miyasaka, Y; Chai, HB; Souda, H; Iwai, T; Sato, R; Goto, N; Kawamura, T

    Single Author

  • 患者の体表面変形を評価するための体表面光学式トラッキングシステムを用いた定量解析法の開発(Development of a quantitative analysis method for assessing patient body surface deformation using an optical surface tracking system), Radiological Physics and Technology, 15(4) 367-378, 2022.12

    Sato Kimihiko, Kanai Takayuki, Lee Sung Hyun, Miyasaka Yuya, Chai Hongbo, Souda Hikaru, Iwai Takeo, Sato Ryuji, Goto Naoki, Kawamura Tsukasa

    Single Author

  • Design and Magnetic Field Measurement of the Superconducting Magnets for the Next-Generation Rotating Gantry, IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 32(6) , 2022.09

    Takayama, S; Yazawa, T; Asano, M; Misawa, M; Nagamoto, Y; Amano, S; Orikasa, T; Hirata, Y; Kanai, T; Lee, S; Souda, H; Iwai, T

    Single Author

  • (放射線利用紹介)山形大学医学部東日本重粒子センター, 放射線化学, 114 , 2022

    岩井 岳夫

    Single Author

  • 最新重粒子線治療施設の現況, エネルギーレビュー, 42 12-15, 2022

    岩井 岳夫

    Single Author

  • 山形大学医学部東日本重粒子センター建設の現状 (4), 日本加速器学会第19回年会プロシーディングス, ー , 2022

    岩井 岳夫

    Single Author

  • Comparison of predictive performance for toxicity by accumulative dose of DVH parameter addition and DIR addition for cervical cancer patients, JOURNAL OF RADIATION RESEARCH, 62(1) 155-162, 2021.01

    Miyasaka, Y; Kadoya, N; Umezawa, R; Takayama, Y; Ito, K; Yamamoto, T; Tanaka, S; Dobashi, S; Takeda, K; Nemoto, K; Iwai, T; Jingu, K

    Single Author

  • 子宮頸癌患者に対するDVHパラメータ加算およびDIR加算による合算線量から毒性予測能の比較(Comparison of predictive performance for toxicity by accumulative dose of DVH parameter addition and DIR addition for cervical cancer patients), Journal of Radiation Research, 62(1) 155-162, 2021.01

    Miyasaka Yuya, Kadoya Noriyuki, Umezawa Rei, Takayama Yoshiki, Ito Kengo, Yamamoto Takaya, Tanaka Shohei, Dobashi Suguru, Takeda Ken, Nemoto Kenji, Iwai Takeo, Jingu Keiichi

    Single Author

  • Mercury Dust Monitor (MDM) Onboard the <i>Mio</i> Orbiter of the BepiColombo Mission, SPACE SCIENCE REVIEWS, 216(8) , 2020.12

    Kobayashi, M; Shibata, H; Nogami, K; Fujii, M; Hasegawa, S; Hirabayashi, M; Hirai, T; Iwai, T; Kimura, H; Miyachi, T; Nakamura, M; Ohashi, H; Sasaki, S; Takechi, S; Yano, H; Krüger, H; Lohse, AK; Sram...

    Single Author

  • Construction of East Japan Heavy Ion Center, Faculty of Medicine, Yamagata University, Journal of the Particle Accelerator Society of Japan, 17(3) 144-150, 2020.10

    Souda Hikaru, Iwai Takeo, Kanai Takayuki, Miyasaka Yuya, Sato Hiraku, Nemoto Kenji, Ueno Yoshiyuki, Kayama Takamasa

    Single Author

  • The impact of 4DCT-ventilation imaging-guided proton therapy on stereotactic body radiotherapy for lung cancer, RADIOLOGICAL PHYSICS AND TECHNOLOGY, 13(3) 230-237, 2020.09

    Ieko, Y; Kadoya, N; Kanai, T; Nakajima, Y; Arai, K; Kato, T; Ito, K; Miyasaka, Y; Takeda, K; Iwai, T; Nemoto, K; Jingu, K

    Single Author

  • 肺癌に対する体幹部定位放射線治療において4DCT-肺換気画像誘導陽子線治療がもたらす効果(The impact of 4DCT-ventilation imaging-guided proton therapy on stereotactic body radiotherapy for lung cancer), Radiological Physics and Technology, 13(3) 230-237, 2020.09

    Ieko Yoshiro, Kadoya Noriyuki, Kanai Takayuki, Nakajima Yujiro, Arai Kazuhiro, Kato Takahiro, Ito Kengo, Miyasaka Yuya, Takeda Ken, Iwai Takeo, Nemoto Kenji, Jingu Keiichi

    Single Author

  • 山形大学医学部東日本重粒子センター建設の現状(2), 第17回日本加速器学会年会プロシーディングス, 2020.09

    想田光, 金井貴幸, 宮坂友侑也, 家子義朗, 岩井岳夫, 根本建二, 山下英俊, 嘉山孝正

    Single Author

  • Quantitative analysis of intra-fractional variation in CT-based image guided brachytherapy for cervical cancer patients, PHYSICA MEDICA-EUROPEAN JOURNAL OF MEDICAL PHYSICS, 73 164-172, 2020.05

    Miyasaka, Y; Kadoya, N; Ito, K; Umezawa, R; Kubozono, M; Yamamoto, T; Nakajima, Y; Saito, M; Takayama, Y; Nemoto, K; Iwai, T; Jingu, K

    Single Author

  • Clinical Impact of Estimating Rectal Toxicity Using Deformable Image Registration for Cervical Cancer Patients, INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS, 105(1) E739, 2019.09

    Miyasaka, Y; Kadoya, N; Umezawa, R; Takayama, Y; Ito, K; Yamamoto, T; Dobashi, S; Takeda, K; Nemoto, K; Iwai, T; Jingu, K

    Single Author

  • Feasibility Study on an Application of Scintillation Fiber Imager to Realtime Range Monitoring System for Carbon Ion Therapy, Proceedings of the Second International Symposium on Radiation Detectors and Their Uses (ISRD2018), 2019.01

    Takeo Iwai, Kouji Morimoto, Shunsuke Kurosawa, Fuyuki Tokanai, Toyoharu Umebayashi, Yu Ohashi, Toru Moriya, Satoshi Ishizawa, Masaki Murata

    Single Author

  • Feasibility Study on an Application of Scintillation Fiber Imager to Realtime Range Monitoring System for Carbon Ion Therapy, JPS Conference Proceedings, 24 , 2019

    1) T. Iwai, K. Morimoto, S. Kurosawa, F. Tokanai, T. Umebayashi, Y. Ohashi, T. Moriya, S. Ishizawa, and M. Murata

    Multiple Authorship (Only Japanese)

  • 電子飛跡型コンプトンカメラを用いた粒子線治療リアルタイムモニタの開発の現状, Isotope News, 763 8-11, 2019

    黒澤俊介, 谷森達, 高田淳史, 園田真也, 水本哲矢, 門叶冬樹, 沼倉隼人, 岩井岳夫

    Single Author

  • 3Dプリンタを用いたdeformable image registrationの患者個別精度検証手法の検討, 日本放射線技術学会東北部会雑誌, 28 223, 2019

    金井貴幸, 宮坂友侑也, 家子義朗, 鈴木幸司, 市川真由美, 佐藤啓, 岩井岳夫, 根本建二

    Single Author

  • Effects of helium production, displacement damage on mechanical properties and surface acoustic wave in austenitic stainless steels and martensitic steel, Nuclear Materials and Energy, 17 34-39, 2018.12

    E. Wakai, S. Kitazawa, S. Takaya, N. Okubo, Y. Nagae, T. Iwai, T. Omata, H. Abe, K. Aoto

    Single Author

  • EFFECT OF ROOM TEMPERATURE VARIATION ON MAGNETIC FIELD INDUCED BY A BENDING MAGNET OF SYNCHROTRON FOR ION THERAPY, Proceedings of the 14th Annual Meeting of Particle Accelerator Society of Japan, 2017

    T. Iwai, J. Yokoyama, Y. Koseki and F. Tokanai

    Multiple Authorship (Only Japanese)

  • The effect of crystallographic mismatch on the obstacle strength of second phase precipitate particles in dispersion strengthening: bcc Nb particles and nanometric Nb clusters embedded in hcp Zr, Acta Materialia, 102 323-332, 2016

    Y. Matsukawa, H.L. Yang, K. Saito, Y. Murakami, T. Maruyama, T. Iwai, K. Murakami, Y. Shinohara, T. Kido, T. Toyama, Z. Zhao, Y.F. Li, S. Kano, Y. Satoh, Y. Nagai, H. Abe

    Multiple Authorship (Including Foreigners)

  • Status Report of Carbon Ion Radiotherapy Facility at Yamagata University, Proceedings of 2nd International Symposium on Heavy-Ion Radiotherapy and Advanced Technology, 2016

    Takeo Iwai, Kenji Nemoto, Hidetoshi Yamashita, Isao Kubota, Akira Goto and Takamasa Kayama

    Multiple Authorship (Including Foreigners)

  • Interaction between solute atoms and radiation defects in Fe-Ni-Si and Fe-Mn-Si alloys under irradiation with proton ions at low-temperature, Journal of Nuclear Materials, 482 47-52, 2016

    Kenta Murakami, Takeo Iwai, Hiroaki Abe and Naoto Sekimura

    Multiple Authorship (Including Foreigners)

  • Improvement of the High Fluence Irradiation Facility at the University of Tokyo, Nuclear Instruments and Methods in Physics Research B, 381 67-71, 2016

    Kenta Murakami, Takeo Iwai, Hiroaki Abe and Naoto Sekimura

    Multiple Authorship (Including Foreigners)

  • Development of C6+ laser ion source and RFQ linac for carbon ion radiotherapy, Review of Scientific Instruments, 87(2) 02C109, 2016

    T. Sako, A. Yamaguchi, K. Sato, A. Goto, T. Iwai, T. Nayuki, K. Nemoto, T. Kayama, T. Takeuchi

    Multiple Authorship (Including Foreigners)

  • Heterogeneity of ion irradiation-induced hardening in A533B reactor pressure vessel model alloys, Journal of Nuclear Science and Technology, 53(7) 1061-1066, 2016

    K. Murakami, N. Sekimura, T. Iwai, H. Abe

    Multiple Authorship (Including Foreigners)

  • Role of nickel and manganese in recovery of resistivity in iron-based alloys after low-temperature proton irradiation, Philosophical Magazine, 95(15) 1680-1695, 2015.05

    K. Murakami, T. Iwai, H. Abe, N. Sekimura, Y. Katano, T. Iwata, T. Onitsuka

    Multiple Authorship (Including Foreigners)

  • Microparticle impact calibration of the Arrayed Large-Area Dust Detectors in INterplanetary space (ALADDIN) onboard the solar power sail demonstrator IKAROS, Planetary and Space Science, 100 87-97, 2014

    Takayuki Hirai, Michael J.Cole, Masayuki Fujii, Sunao Hasegawa, Takeo Iwai, Masanori Kobayashi, RalfSrama, HajimeYano

    Multiple Authorship (Including Foreigners)

  • In Situ Observation of Damage Evolution in Polycarbonate under Ion Irradiation with Positrons, JJAP Conf. Proc., 2 011103, 2014

    Hidetsugu Tsuchida, Hironori Tsutsumi, Masafumi Akiyoshi, Takeo Iwai

    Multiple Authorship (Including Foreigners)

  • Defect formation in iron by MeV ion beam investigated with a positron beam and electrical resistivity measurement, Nuclear Instruments and Methods in Physics Research B, 2013.09

    T. Iwai , K. Murakami, T. Iwata, Y. Katano

    Multiple Authorship (Including Foreigners)

  • A Positron Beam Doppler Broadening Analysis of Formation and Recovery of Defects Produced by Ion Irradiation in Fe-C-Cu Alloys, Radiation Effects and Defects in Solids, 168(4) 308-315, 2012.12

    Takeo Iwai

    Single Author

  • Position-Dependent Behavior of Piezoelectric Lead–Zirconate–Titanate Cosmic Dust Detector, Japanese Journal of Applied Physics, 51 098004, 2012.09

    Maki Hattori, Masanori Kobayashi, Takashi Miyachi, Seiji Takechi, Osamu Okudaira, Takeo Iwai, and Seiji Sugita

    Multiple Authorship (Including Foreigners)

  • In-situ positron beam Doppler broadening measurement of ion-irradiated metals―current status and potential, Nuclear Instruments and Methods in Physics Research B, 285 18-23, 2012.08

    T. Iwai, H. Tsuchida

    Multiple Authorship (Including Foreigners)

  • A future observational plan of dust particles around the Moon by LDM (Lunar Dust Monitor) onboard the orbiter of the next Japanese lunar mission, Earth Planets Space, 63 1113-1117, 2012.02

    Masanori Kobayashi, Hideo Ohashi, Sho Sasaki, Hiromi Shibata, Takeo Iwai, Masayuki Fujii, Ken-ichi Nogami, Hiroshi Kimura, Maki H. Nakamura, Takayuki Hirai, Ralf Srama, and Eberhard Grün

    Multiple Authorship (Including Foreigners)

  • Multimodal characteristics of a piezoelectric lead zirconate titanate element impacted with iron particles having velocities above 20 km/s, Advances in Space Research, 43 570-577, 2011.08

    Takashi Miyachi, Masayuki Fujii, Nobuyuki Hasebe, Osamu Okudaira, Seiji Takechi, Toshiyuki Onishi, Shigeyuki Minami, Masanori Kobayashi, Takeo Iwai, Eberhard Grüne, Ralf Srama, Nagaya Okada

    Multiple Authorship (Including Foreigners)

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Review Papers

  • 多発転移性脳腫瘍に対するsingle isocenter&multiple targetsの照射精度検証, 日本放射線技術学会東北支部雑誌(Web), (29) , 2020

    家子義朗, 宮坂友侑也, 想田光, 岩井岳夫, 根本建二, 金井貴幸, 山川萌江美, 鈴木幸司, 市川真由美

  • オーステナイトステンレス鋼とフェライト鋼の照射損傷組織と強度特性に及ぼすDPAとHe生成量の効果, 日本原子力学会春の年会予稿集(CD-ROM), 2019 , 2019

    若井栄一, 高屋茂, 永江勇二, 鈴土知明, 平出哲也, 松井義典, 野上修平, 長谷川晃, 阿部弘亨, 岩井岳夫, 岩井岳夫, 北澤真一, 大久保成彰, 高田文樹, 加藤佳明, 加藤章一, 山口正剛, 仲田祐仁, 吉武庸光, 土岐澤耕一, 青砥紀身

Grant-in-Aid for Scientific Research

  • Grant-in-Aid for Scientific Research(C),2018.04 - 2021.03

Other external funds procured

  • A Study on effects of MRI magnetic field on dose distribution during MRI guided Heavy Ion Therapy,2018.04 - 2021.03,A Study on effects of MRI magnetic field on dose distribution during MRI guided Heavy Ion Therapy

    Japan Society for the Promotion of Science