- 2016 - 現在 International meeting on Radiation Effects in Matter program Committee
- 2012 - 現在 International Conference on Machine Design and Manufacturing Engineering (ICMDME), program Committee
- 2012 - 現在 International Conference on Machine Design and Manufacturing Engineering program Committee
- 2012 - 現在 International Conference on Automatic Control and Mechatronic Engineering program Committee
- 2011 - 現在 Elsevier Co.Ltd, Nuclear Instruments and Methods in Physics Research Section B, referee committee
- 2011 - 現在 Applied Physics Express(APEX), Japanese Journal of Applied Physics(JJAP), referee committee
- 2011 - 現在 Applied Physics Express(APEX), Japanese Journal of Applied Physics(JJAP), referee committee
- 2010 - 現在 The Physical Society of Japan, The Journal of Physical Society of Japan, referee committee
- 2009 - 現在 Japan Society for the Promotion of Science, the Grants-in-Aid for Scientific Research,, judge committee
- 2009 - 現在 日本学術振興会 科研費審査委員
- 2015/04 - 2017/03 The Institute of electrical Engineers of Japan, "Investigation committee for the high-layer constructive system using quantum beams", committee
- 2015/04 - 2017/03 電気学会 調査委員会 委員
- 2015/04 - 2016/03 The Physical society of Japan, committee
- 2015/04 - 2016/03 日本物理学会 運営委員
- 2016 - 2016 ”RECENT DEVELOPMENTS in THE STUDY OF RADIATION EFFECTS IN MATTER" (REM-9), program Committee
- 2016 - 2016 RECENT DEVELOPMENTS in THE STUDY OF RADIATION EFFECTS IN MATTER" (REM-9), program Committee
- 2012/12 - 2014/12 電気学会 調査委員会 委員長
- 2012 - 2014/12 The Institute of electrical Engineers of Japan, "Investigation committee for the nanobio-science using quantum beams", Organizing committee
- 2011 - 2012 International Conference on ATOMIC COLLISIONS IN SOLIDS (ICACS 2012), program Committee
- 2010 - 2012 The Institute of electrical Engineers of Japan, “The nanobio-physics using quantum beams”, committee
- 2010 - 2012 The Institute of electrical Engineers of Japan, “Investigation committee for the nanobio-physics using quantum beams” committee
- 2010 - 2012 International Conference on ATOMIC COLLISIONS IN SOLIDS committee
- 2010 - 2012 電気学会 「量子ビームによるナノバイオ物理応用技術調査専門委員会」 委員」
- 2008 - 2010 The Institute of electrical Engineers of Japan, “Investigation committee for the nanobio- electronics using quantum”, program Committee
- 2008 - 2010 電気学会「量子ビームによるナノバイオエレクトロニクス技術調査専門委員会 委員
- 2006/04 - 2009/03 日本学術振興会 原子構造体に関する先導的研究開発委員会: 幹事委員
- 2008 - 2009 International Workshop on High-Resolution Depth Profiling (HRDP-2009),, program Committee
- 2008 - 2009 Int. Workshop of High resolution Depth Profiling program Committiee
- 2007 - 2009 Int.Conf. of Surface Modification of Materials program Committee
- 2006 - 2009 Japan Society for the Promotion of Science, “The preceding committee for the atomic structure and cluster beam technology”, -Executive Committee
- 1999 - 2009 応用加速器・関連技術研究シンポジウム: 組織委員
- 1999 - 2009 - Organizing committee, ARTA symposium.
- 2006 - 2008 電気学会「量子ビームによるナノバイオ科学と基盤技術調査専門委員会」:委員
- 2006 - 2008 The Institute of electrical Engineers of Japan, “Investigation committee for the nanobio-physics using quantum beams” committee
- 2002 - 2006 21世紀連合シンポジウム: 運営委員
- 2002 - 2006 Organizing committee, 21st century symposium.
- 2003 - 2004 The international Workshop of Inelastic Ion-Surface Collisions (IISC 2004), Executing Committee
- 2003 - 2004 Int. Workshop of Inelastic Interaction on Surface: program committee
- 2000 - 2004 BESTEN (BEam Science and Technology for an Emergent Network) Society, Organizing committee
- 2000 - 2004 放射線と物質の相互作用(BESTEN) 代表
- 2001 - 2002 International conference on Ion Beam Modification of Materials (IBMM 2002), program Committee
- 2001 - 2002 International conference on Ion Beam Modification of Materials committee
- 2001 - 2002 Int.Conf. of Ion Beam Modification of Materials program committee
- 1999 - 2000 日本物理学会 放射線分科会 世話人
- 1997 - 1999 International conference on COmputer SImulations of Radiation Effect in Solids (COSIRES1998), executing committee
- 1997 - 1998 International conference on COmputer SImulations of Radiation Effect in Solids committee
- 1998 - 日本電気化学会・応用加速器及び関連技術研究会 組織委員
- 1983 - 1985 International Conference on ATOMIC COLLISIONS IN SOLIDS (ICACS 1985),, executing committee
- 1983 - 1985 International Conference on ATOMIC COLLISIONS IN SOLIDS committee