Basic Information

Faculty

• 工学部

Academic Degree

• 修士（エネルギー科学）(京都大学)
• 博士（エネルギー科学）(京都大学)

Language of Instruction

• Japanese
• English

ID,URL

• J-Global ID

  201901005247474304

Website(s) (URL(s))

• http://plasma-fusion.energy.kyoto-u.ac.jp/

researchmap URL

• https://researchmap.jp/matsui_ryu

Research

Research Topics, Overview of the research

• Research Topics

  Generation of high energy density plasma and ion acceleration by an interaction between a high-power laser and matters

Research Areas

• Energy, Basic plasma science

Papers

• Transient bifurcation induced rocket acceleration leading to a relativistic bulk medium induced by designed high-intensity lasers

  Ryutaro Matsui; Yasuaki Kishimoto

  Physical Review Research, 31 Jan. 2025

  
• Generation of high energy density plasma from the interaction between high power laser and structured medium －enegy absorption and expansion dynamics－

  Matsui R.; Uehara N.; Fukami K.; Fukuda Y.; Inoue S.; Sakabe S.; Ota M.; Sakawa Y.; Masui H.; Imadera K.; Kishimoto Y.

  Meeting Abstracts of the Physical Society of Japan, 2020

  
• Laser-driven multi-MeV high-purity proton acceleration via anisotropic ambipolar expansion of micron-scale hydrogen clusters.

  Satoshi Jinno; Masato Kanasaki; Takafumi Asai; Ryutaro Matsui; Alexander S Pirozhkov; Koichi Ogura; Akito Sagisaka; Yasuhiro Miyasaka; Nobuhiko Nakanii; Masaki Kando; Nobuko Kitagawa; Kunihiro Morishima; Satoshi Kodaira; Yasuaki Kishimoto; Tomoya Yamauchi; Mitsuru Uesaka; Hiromitsu Kiriyama; Yuji Fukuda

  Scientific reports, 12 Oct. 2022

  Access this paper :

  
• Acceleration of quasimonoenergetic protons via laser-driven shock created in micron-scale hydrogen clusters

  FUKUDA Yuji; KANASAKI Masato; JINNO Satoshi; MATSUI Ryutaro; Kinoshita Masaharu; PIROZHKOV Alexander S.; SAGISAKA Akito; OGURA Koichi; MIYASAKA Yasuhiro; KONDO Kotaro; ASAI Takafumi; SHIMIZU Kazuki; SAKAMOTO Keita; KITAGAWA Nobuko; MORISHIMA Kunihiro; KODAIRA Satoshi; ODA Keiji; YAMAUCHI Tomoya; UESAKA Mitsuru; KONDO Kiminori; KAWACHI Tetsuya; KANDO Masaki; KIRIYAMA Hiromitsu; KISHIMOTO Yasuaki

  Meeting Abstracts of the Physical Society of Japan, 2019

  
• Laser driven proton acceleration using hydrogen clusters

  Jinno S.; Kanasaki M.; Takano Y.; Morii K.; Asai T.; Sakamoto Y.; Shimizu K.; Pirozhkov A.; Sagisaka A.; Ogura K.; Miyasaka Y.; Morishima K.; Kodaira S.; Matsui R.; Kishimoto Y.; Oda K.; Yamauchi T.; Uesaka M; Kondo K.; Kawachi T.; Kando M.; Kiriyama H.; Fukuda Y.

  Meeting Abstracts of the Physical Society of Japan, 2019

  
• 17pCP-6 Characterization of hydrogen cluster targets for laser-driven ion acceleration : Temperature and pressure dependences of target parameters

  Tanaka H.; Jinno S.; Kanasaki M.; Sakaki H.; Kondo K.; Matsui R.; Kishimoto Y.; Fukuda Y.

  Meeting Abstracts of the Physical Society of Japan, 2015

  
• 高強度レーザーと波長オーダの構造性ターゲットとの 非線形相互作用特性

  松井隆太郎; 上田永樹; 太田雅人; 福田祐仁; 坂和洋一; 岸本泰明

  日本物理学会講演概要集, Sep. 2021, Lead author

  
• Study of the underlying physics of CSBA (Converging Shock-based Blow-off Acceleration) and the extension to two-dimensional rod/string configuration

  Ryutaro Matsui; Yuji Fukuda; Yasuaki Kishimoto

  4th Asia-Pacific Conference on Plasma Physics (AAPPS) 2020, Oct. 2020, Peer-reviewed, Invited, Lead author

  
• Quasimonoenergetic protons driven by CSBA (converging shock-induced blow-off acceleration) in a micron-scale hydrogen cluster

  Ryutaro Matsui; Yuji Fukuda; Yasuaki Kishimoto

  High Energy Density Sciences (HEDS) 2020, Apr. 2020, Peer-reviewed, Invited, Lead author

  
• 水素クラスターを用いた求心衝撃波駆動準単色プロトン加速（CSBA）

  松井隆太郎; 福田祐仁; 岸本泰明

  レーザー学会学術講演会第40回年次大会, Jan. 2020, Peer-reviewed, Invited, Lead author

  
• Dynamics of a collisionless plasma boundary layer created by the explosion of a laser-irradiated dense object in an ambient dilute gas

  Ryutaro Matsui; Yuji Fukuda; Yasuaki Kishimoto

  Eleventh International Conference of Inertial Fusion Sciences and Applications (IFSA2019), Sep. 2019, Peer-reviewed, Invited, Lead author

  
• "Confinement" of High Energy Density Plasma Based on Structured Medium and initial Experiments Using SACLA X-Rays -A New Platform Studying MCF Plasmas Using Laser-

  Yasuaki Kishimoto; Ryutaro MATSUI; Naoki UEHARA; Kenji IMADERA; Hiroshi SAKAGUCHI; Masato OTA; Youichi SAKAWA; Kazuhiro FUKAMI; Yuji FUKUDA

  Sep. 2019

  
• Dynamics of the boundary layer created by the explosion of a dense object in an ambient dilute gas triggered by a high power laser

  Ryutaro Matsui; Yuji Fukuda; Yasuaki Kishimoto

  Physical Review E, 08 Jul. 2019, Peer-reviewed, Lead author

  
• Quasimonoenergetic Proton Bunch Acceleration Driven by Hemispherically Converging Collisionless Shock in a Hydrogen Cluster Coupled with Relativistically Induced Transparency

  Ryutaro Matsui; Yuji Fukuda; Yasuaki Kishimoto

  Physical Review Letters, 10 Jan. 2019, Peer-reviewed, Lead author

  
• Micron-size hydrogen cluster target for laser-driven proton acceleration

  S. Jinno; M. Kanasaki; M. Uno; R. Matsui; M. Uesaka; Y. Kishimoto; Y. Fukuda

  Plasma Physics and Controlled Fusion, 08 Mar. 2018, Peer-reviewed

  
• Generation of high-repetitive, multi-MeV, pure proton beams via Coulomb explosion of micron-size hydrogen clusters

  Fukuda Yuji; Takano Yuta; Morii Kousaku; Asai Takafumi; Sakamoto Keita; Shimizu Kazuki; Morishima Kunihiro; Kodaira Satoshi; Okamoto Yuki; Matsui Ryutaro; Kishimoto Yasuaki; Kanasaki Masato; Oda Keiji; Yamauchi Tomoya; Uesaka Mitsuru; Kondo Kiminori; Kawachi Tetsuya; Kando Masaki; Kiriyama Hiromitsu; Jinno Satoshi; Pirozhkov Alexander S.; Sagisaka Akito; Ogura Koichi; Miyasaka Yasuhiro; Nakanii Nobuhiko; Uno Masataka

  Meeting Abstracts of the Physical Society of Japan, 2018, Peer-reviewed

  
• Cluster size dependence in Coulomb explosion of hydrogen clusters

  Okamoto Yuki; Matsui Ryutaro; Fukuda Yuji; Kishimoto Yasuaki

  Meeting Abstracts of the Physical Society of Japan, 2018, Peer-reviewed

  
• Formation of quasi-stationary nonlinear waves and acceleration of ambient gas ions in boundary layers created in a cluster medium

  Matsui Ryutaro; Fukuda Yuji; Kishimoto Yasuaki

  Meeting Abstracts of the Physical Society of Japan, 2018, Peer-reviewed

  
• Characterization of micron-size hydrogen clusters using Mie scattering

  S. Jinno; H. Tanaka; R. Matsui; M. Kanasaki; H. Sakaki; M. Kando; K. Kondo; A. Sugiyama; M. Uesaka; Y. Kishimoto; Y. Fukuda

  Optics Express, 07 Aug. 2017, Peer-reviewed

  
• Development of the micron-size hydrogen cluster target and its application to high energy density science

  Fukuda Y.; Kishimoto Y.; Jinno S.; Tanaka H.; Matsui R.; Kanasaki M.; Sakaki H.; Kando M.; Kondo K.; Uesaka M.

  Meeting Abstracts of the Physical Society of Japan, 2017, Peer-reviewed

  
• Acceleration of 290 MeV quasi-monoenergetic protons triggered by the intracluster collisionless shocks in the relativistically-induced transparency regime

  Matsui R.; Fukuda Y.; Kishimoto Y.

  Meeting Abstracts of the Physical Society of Japan, 2017, Peer-reviewed

  
• Effects of radiation reaction in the interaction between cluster media and high intensity lasers in the radiation dominant regime

  Natsumi Iwata; Hideo Nagatomo; Yuji Fukuda; Ryutaro Matsui; Yasuaki Kishimoto

  PHYSICS OF PLASMAS, Jun. 2016, Peer-reviewed

  
• 19aAP-9 Studies on the size distribution of submicron size hydrogen clusters using the Mie theory

  Tanaka H.; Fukuda Y.; Jinno S.; Kanasaki M.; Sekiguchi K.; Ichinose K.; Sakaki H.; Kondo K.; Matsui R.; Kishimoto Y.

  Meeting Abstracts of the Physical Society of Japan, 2016, Peer-reviewed

  
• 19aAP-8 Formation of an anisotropic electric field and longitudinal acceleration of 100-MeV protons triggered by intense laser irradiation of submicron-size H_2 cluster media

  Matsui R.; Fukuda Y.; Kawahito D.; Kishimoto Y.

  Meeting Abstracts of the Physical Society of Japan, 2016, Peer-reviewed

  
• Generation of magnetic turbulence and self-organization through magneic reconnection in high intensity laser produced non-equilibrium extreme radiation plasma

  Kishimoto Y.; Kawahito D.; Matsui R.; Iwata N.; Fukuda Y.

  Meeting Abstracts of the Physical Society of Japan, 2016, Peer-reviewed

  
• Observation of the inhomogeneous spatial distribution of MeV ions accelerated by the hydrodynamic ambipolar expansion of clusters

  Masato Kanasaki; Satoshi Jinno; Hironao Sakaki; Anatoly Ya. Faenov; Tatiana A. Pikuz; Mamiko Nishiuchi; Hiromitsu Kiriyama; Masaki Kando; Akira Sugiyama; Kiminori Kondo; Ryutaro Matsui; Yasuaki Kishimoto; Kunihiro Morishima; Yukinobu Watanabe; Clare Scullion; Ashley G. Smyth; Aaron Alejo; Domenico Doria; Satyabrata Kar; Marco Borghesi; Keiji Oda; Tomoya Yamauchi; Yuji Fukuda

  RADIATION MEASUREMENTS, Dec. 2015, Peer-reviewed

  
• 22aCM-2 Simulation studies on acceleration of background gas ions in clustered media irradiated by high power lasers

  Matsui R.; Fukuda Y.; Kanasaki M.; Sakaki H.; Iwata N.; Kondo K.; Kishimoto Y.

  Meeting Abstracts of the Physical Society of Japan, 2015, Peer-reviewed

  
• 17pCP-5 Structure of electric field and dynamics of contact surface due to the interaction between cluster and background gas irradiated by high power lasers

  Matsui R.; Fukuda Y.; Kawahito D.; Kishimoto Y.

  Meeting Abstracts of the Physical Society of Japan, 2015, Peer-reviewed

  
• 28pTN-5 Simulation research of ion acceleration by the interaction of a high intensity laser with a cluster-gas target

  Matsui R.; Iwata N.; Fukuda Y.; Kishimoto Y.

  Meeting Abstracts of the Physical Society of Japan, 2014, Peer-reviewed

  

Misc.

• レーザー駆動イオン加速のための水素クラスターターゲットの生成とその評価

  神野智史; 田中宏尭; 田中宏尭; 金崎真聡; 榊泰直; 近藤公伯; 松井隆太郎; 松井隆太郎; 岸本泰明; 福田祐仁; 福田祐仁

  応用物理学会春季学術講演会講演予稿集(CD-ROM), 2015

  
• クラスターターゲットを用いたレーザー駆動イオン加速における背景ガスイオンの加速

  金崎真聡; 神野智史; 榊泰直; FAENOV A. Ya.; PIKUZ T.A.; 西内満美子; 桐山博光; 神門正城; 近藤公伯; 松井隆太郎; SCULLION C.; SMYTH A.G.; AARON A.; DORIA D.; BORGHESI M.; 小田啓二; 山内知也; 岸本泰明; 福田祐仁

  応用物理学会春季学術講演会講演予稿集(CD-ROM), 2015

  
• Development of Micron-Scale Hydrogen Cluster Generation System and High-Repetitive Generation of Multi-MeV, Pure Proton Beams

  神野 智史; 金崎 真聡; 松井 隆太郎; 岸本 泰明; 小田 啓二; 山内 知也; 上坂 充; 桐山 博光; 福田 祐仁

  プラズマ・核融合学会誌 = Journal of plasma and fusion research, Oct. 2019

  
• 宇宙線発生の仕組みを利用した新たな加速器の提案

  松井 隆太郎; 岸本 泰明; 福田 祐仁

  ISOTOPE NEWS（アイソトープ ニュース）, Oct. 2019

  
• 高強度レーザーとクラスター媒質の相互作用によるイオン加速のシミュレーション研究

  MATSUI RYUTARO; IWATA NATSUYA; FUKUDA YUJI; KISHIMOTO YASUAKI

  日本物理学会講演概要集, 05 Mar. 2014

  
• クラスターターゲットから発生するMeV級イオンの空間分布

  KANASAKI MASATO; JINNO SATOSHI; SAKAKI HIRONAO; NISHIUCHI MAMIKO; KONDO KIMINORI; ODA KEIJI; YAMAUCHI TOMOYA; MATSUI RYUTARO; KISHIMOTO YASUAKI; DORIA D; BORGHESI M; FUKUDA YUJI

  応用物理学会春季学術講演会講演予稿集(CD-ROM), 03 Mar. 2014

  

Presentations

• A new acceleration scheme to obtain high-purity sub-GeV protons by utilizing an explosion dynamics of laser-irradiated solid/liquid hydrogen medium

  R. Matsui; Y. Kishimoto

  8th Asia-Pacific Conference on Plasma Physics, 05 Nov. 2024, Invited

  
• Methodology of controlling HED plasma by the interaction between a high-intensity laser and structured targets

  Ryutaro Matsui; Yasuaki Kishimoto

  17th Kudowa Summer School, 03 Jun. 2024, Invited

  
• Control of multiscale expansion/relaxation dynamics of micro-structured designed targets irradiated with high-intensity lasers

  R. Matsui; N. Hayashi; K. Kondo; K. Matsuda; K. Fukami; H. Sakaguchi; S. Masuno; M. Hashida; S. Sakabe; S. Tokita; Y. Kishimoto

  International Conference on High Energy Density Sciences (HEDS) 2024, 26 Apr. 2024

  
• Exploring high energy density plasmas with exotic character by the interaction between high intensity laser and CNT/rod assembly

  R. Matsui; N. Hayashi; M. Ishihara; K. Matsuda; K. Fukami; H. Sakaguchi; S. Masuno; M. Hashida; S. Sakabe; S. Tokita; Y. Kishimoto

  International Conference on High Energy Density Sciences (HEDS) 2023, 20 Apr. 2023

  
• Generation of HED plasma regulated by magnetic field from structured medium

  R. Matsui; Y. Kishimoto

  International Conference on High Energy Density Sciences (HEDS) 2022, 21 Apr. 2022

  
• 高強度レーザーと波長オーダの構造性ターゲットとの 非線形相互作用特性

  松井隆太郎; 上田永樹; 太田雅人; 福田祐仁; 坂和洋一; 岸本泰明

  日本物理学会2021年秋季大会, Sep. 2021

  
• 高強度レーザー生成相対論プラズマにおける 非線形波動の励起・分岐と粒子加速のトリガー

  岸本泰明; 松井隆太郎; 福田祐仁; 今寺賢志

  日本物理学会2021年秋季大会, Sep. 2021

  
• レーザー照射された構造性媒質が生み出す 多様な波動・構造形成現象と粒子加速の物理

  岸本泰明; 松井隆太郎

  日本物理学会第76回年次大会, Mar. 2021

  
• Study of the underlying physics of CSBA (Converging Shock-based Blow-off Acceleration) and the extension to two-dimensional rod/string configuration

  Ryutaro Matsui; Yuji Fukuda; Yasuaki Kishimoto

  4th Asia-Pacific Conference on Plasma Physics, AAPPS 2020, 26 Oct. 2020, Invited

  
• 高強度レーザーと構造性ターゲットとの相互作用による 高エネルギー密度プラズマ生成とその特性② ―T6およびJ-KAREN-Pレーザーによる実験と解析―

  松井隆太郎; 上原直希; 井原優希; 増井英陽; 深見一弘; 坂口浩司; Tatiana Pikuz; Maria Alhimova; 坂和洋一; 神野智史; 井上峻介; 金崎真聡; 太田雅人; 今寺賢志; 福田祐仁; 岸本泰明

  日本物理学会2020年秋季大会, Sep. 2020

  
• Quasimonoenergetic protons driven by CSBA (converging shock-induced blow-off acceleration) in a micron-scale hydrogen cluster

  Ryutaro Matsui; Yuji Fukuda; Yasuaki Kishimoto

  High Energy Density Sciences (HEDS) 2020, Apr. 2020, Invited

  
• 高強度レーザーと構造性媒質の相互作用による 高エネルギー密度プラズマの生成 ―レーザー照射ロッド集合体のエネルギー吸収と膨張ダイナミクス―

  松井隆太郎; 上原直希; 深見一弘; 福田祐仁; 井上俊介; 阪部周二; 太田雅人; 坂和洋一; 増井英陽; 今寺賢志; 岸本泰明

  日本物理学会第75回年次大会, Mar. 2020

  
• 水素クラスターを用いた求心衝撃波駆動準単色プロトン加速（CSBA）

  松井隆太郎; 福田祐仁; 岸本泰明

  レーザー学会学術講演会第40回年次大会, 22 Jan. 2020, Invited

  
• 高強度レーザーと構造性媒質の相互作用によるプラズマの自己組織化と構造形成 －高エネルギー密度プラズマの閉じ込めと磁場生成－

  岸本泰明; 松井隆太郎; 上原直希; 今寺賢志

  第36回プラズマ・核融合学会年会, Nov. 2019

  
• 高強度レーザーと構造性媒質の相互作用によるプラズマの自己組織化と構造形成 －無衝突衝撃波と運動論的準安定構造の形成－

  松井隆太郎; 上原直希; 今寺賢志; 福田祐仁; 岸本泰明

  第36回プラズマ・核融合学会年会, Nov. 2019

  
• Dynamics of a collisionless plasma boundary layer created by the explosion of a laser-irradiated dense object in an ambient dilute gas

  Ryutaro Matsui; Yuji Fukuda; Yasuaki Kishimoto

  Eleventh International Conference of Inertial Fusion Sciences and Applications (IFSA2019), 27 Sep. 2019, Invited

  
• 求心衝撃波を用いた準単色高エネルギー陽子線生成における 加速メカニズムの解析

  樹下真治; 松井隆太郎; 福田祐仁; 岸本泰明

  日本物理学会2019年秋季大会, Sep. 2019

  
• 高強度レーザーとロッド集合体との相互作用による 高エネルギー 密度プラズマの生成と緩和

  上原直希; 松井隆太郎; 深見一弘; 坂口浩司; 今寺賢志; 坂和洋一; 福田祐仁; 岸本泰明

  日本物理学会2019年秋季大会, Sep. 2019

  
• 高強度レーザーと構造性媒質との相互作用で生成される高エネルギー密度プラズマの準安定磁場構造と閉じ込め

  松井隆太郎; 今寺賢志; 福田祐仁; 岸本泰明

  日本物理学会2019年秋季大会, Sep. 2019

  
• 構造性媒質中で生成する無衝突プラズマ境界層における構造形成の運動論的シミュレーション

  松井隆太郎; 福田祐仁; 岸本泰明

  第２５回NEXT（数値トカマク）研究会, Aug. 2019

  

External funds: Kakenhi

• レーザーと磁場の融合による高エネルギー密度プラズマの閉じ込めへの挑戦と応用

  Grant-in-Aid for Scientific Research (A)

  Medium-sized Section 14:Plasma science and related fields

  Kyoto University

  岸本 泰明

  From 05 Apr. 2021, To 31 Mar. 2026, Granted

  高強度レーザーと物質との相互作用;高エネルギー密度プラズマ;自己組織化;高強度磁場生成;プラズマの閉じ込め

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21H04452/
• Development of laser-driven quasi-one-dimensional shock wave formation and new high-energy particle acceleration method via boundary layer

  Grant-in-Aid for Research Activity Start-up

  0202:Condensed matter physics, plasma science, nuclear engineering, earth resources engineering, energy engineering, and related fields

  Kyoto University

  Ryutaro Matsui

  From 11 Sep. 2020, To 31 Mar. 2023, Project Closed

  高強度レーザー;プラズマ;イオン加速;無衝突衝撃波;粒子線がん治療;高エネルギー密度プラズマ;粒子シミュレーション;ターゲット作製;レーザー照射実験

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20K22329/
• 高強度磁場で支配されるレーザー駆動の極限状態の生成と新機能の創出

  Grant-in-Aid for Early-Career Scientists

  Basic Section 14010:Fundamental plasma-related

  Kyoto University

  松井 隆太郎

  From 01 Apr. 2022, To 31 Mar. 2025, Granted

  高エネルギー密度プラズマ;高強度レーザー照射実験;ターゲット作製;高強度レーザー;無衝突衝撃波;イオン加速

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22K14019/

External funds: others

• プラズマ物理学とナノ工学の融合による極限物質科学への挑戦

  2021 年度融合チーム研究プログラム（SPIRITS）

  From 01 Apr. 2021, To 31 Mar. 2023

  松井隆太郎

Education

Teaching subject(s)

• From 01 Apr. 2024, To 31 Mar. 2025

  Introduction to Plasma Science

  N222, Fall, Institute for Liberal Arts and Sciences, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Design Practice and Experiments for Applied Energy Science and Engineering 2

  5157, Spring, Faculty of Engineering, 3
• From 01 Apr. 2024, To 31 Mar. 2025

  Design Practice and Experiments for Applied Energy Science and Engineering 2

  5159, Fall, Faculty of Engineering, 3
• From 01 Apr. 2023, To 31 Mar. 2024

  Introduction to Plasma Science

  N222, Fall, Institute for Liberal Arts and Sciences, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  Design Practice and Experiments for Applied Energy Science and Engineering 2

  5159, Fall, Faculty of Engineering, 3
• From 01 Apr. 2023, To 31 Mar. 2024

  Design Practice and Experiments for Applied Energy Science and Engineering 2

  5157, Spring, Faculty of Engineering, 3
• From 01 Apr. 2022, To 31 Mar. 2023

  Design Practice and Experiments for Applied Energy Science and Engineering 2

  5159, Fall, Faculty of Engineering, 3
• From 01 Apr. 2022, To 31 Mar. 2023

  Introduction to Plasma Science

  N222, Fall, Institute for Liberal Arts and Sciences, 2
• From 01 Apr. 2022, To 31 Mar. 2023

  Design Practice and Experiments for Applied Energy Science and Engineering 2

  5157, Spring, Faculty of Engineering, 3
• From Apr. 2021, To Mar. 2022

  Design Practice and Experiments for Applied Energy Science and Engineering 2

  Spring, 工学部
• From Apr. 2021, To Mar. 2022

  Design Practice and Experiments for Applied Energy Science and Engineering 2

  Fall, 工学部

Administration

Faculty management (title, position)

• From 01 Apr. 2025, To 31 Mar. 2026

  国際交流委員会委員
• From 01 Apr. 2024, To 31 Mar. 2025

  広報委員会委員
• From 01 Apr. 2023, To 31 Mar. 2024

  入試委員会委員
• From 01 Apr. 2022, To 31 Mar. 2023

  安全衛生委員会　委員
• From 01 Apr. 2022, To 31 Mar. 2023

  広報委員会　委員
• From 01 Apr. 2020, To 31 Mar. 2022

  宇治事業所省エネルギー推進委員会　委員