- 2024/05 - 現在 電気学会 有識者会議 委員
- 2023/10 - 現在 The Institute of Electrical Engineers of Japan (IEEJ) Chairperson, Investigating R&D Committee on Latest Technologies for Advanced Nanomaterials and Device Development Contributing to the Post-Covid-19 Era
- 2023/04 - 現在 The Institute of Electronics, Information and Communication Engineers (IEICE) Delegate
- 2023/04 - 現在 The Institute of Electrical Engineers of Japan (IEEJ) Member, Investigating R&D Committee on Organic and Biotechnologies and Related Simulations for Green Society
- 2022/04 - 現在 Japanese Society of Applied Physics (JSAP) Advisor, Hokuriku-Shin’etsu Chapter
- 2022/04 - 現在 The Institute of Electrical Engineers of Japan (IEEJ) Member, JABEE Accreditation Committee
- 2020/10 - 現在 The Institute of Electrical Engineers of Japan (IEEJ) Member, Technical Committee on Dielectrics and Electrical Insulation
- 2020/04 - 現在 The Institute of Electrical Engineers of Japan (IEEJ) Member, JABEE Committee
- 2010/05 - 現在 The Institute of Electrical Engineers of Japan (IEEJ) Member, Niigata Subbranch, Tokyo Branch
- 2000/10 - 現在 The Institute of Electrical Engineers of Japan (IEEJ) Member, Editorial Committee of the IEICE Transactions on Electronics
- 2000/04 - 現在 The Institute of Electrical Engineers of Japan (IEEJ) Society Activity Promoter
- 1995/06 - 現在 The Institute of Electrical Engineers of Japan (IEEJ) Member, Editorial Committee of the IEEJ Transactions on Fundamentals and Materials
- 2022/06 - 2024/05 電気学会 電気学会フェロー審査委員会 委員
- 2022/06 - 2024/05 電気学会経営戦略会議 委員
- 2022/06 - 2024/05 The Institute of Electrical Engineers of Japan (IEEJ) President, Board of Fundamental and Materials Society
- 2022/06 - 2024/05 The Institute of Electrical Engineers of Japan (IEEJ) Director
- 2020/10 - 2023/09 The Institute of Electrical Engineers of Japan (IEEJ) Chairperson, Investigating R&D Committee on Advanced Nanomaterials, Organic Device Development and Life Science Application for Supporting Sustainable Growth
- 2022/06 - 2023/06 The Institute of Electronics, Information and Communication Engineers (IEICE) Chair, Shin-etsu Section
- 2021/04 - 2023/03 The Institute of Electrical Engineers of Japan (IEEJ) Member, Investigating R&D Committee on Functional Control and Characterization of Organic and Bio-related Materials for SDGs
- 2021/01 - 2022/12 The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Past Chair, Shin-etsu Section
- 2021/06 - 2022/06 The Institute of Electronics, Information and Communication Engineers (IEICE) Chair-Elect, Shin-etsu Section
- 2021/02 - 2022/05 The Institute of Electronics, Information and Communication Engineers (IEICE) General Conference Board Member
- 2020/04 - 2022/03 The Japan Society of Applied Physics (JSAP) Chairperson, Hokuriku-Shin’etsu Chapter
- 2018/03 - 2022/03 The Japan Society of Applied Physics (JSAP) Director
- 2009/04 - 2022/03 Japan Society for the Promotion of Science 136th Committee Member
- 2020/06 - 2021/05 The Institute of Electrical Engineers of Japan (IEEJ) Chairperson, R&D Steering Committee of the Fundamentals and Materials Society
- 2019/05 - 2021/05 The Institute of Electrical Engineers of Japan (IEEJ) Vice President, Fundamentals and Materials Society
- 2020/05 - 2021/04 Japanese Society of Applied Physics (JSAP) Member, Annual Meetings Planning and Operations Committee
- 2019/01 - 2020/12 The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Chair, Shin-etsu Section
- 2018/10 - 2020/09 The Institute of Electrical Engineers of Japan (IEEJ) Member, Investigating R&D Committee on Organic and Bio Devices for IoT and Sustainable Society
- 2019/05 - 2020/06 The Institute of Electrical Engineers of Japan (IEEJ) Chairperson, Editorial Committee of the IEEJ Transactions on Fundamentals and Materials
- 2017/07 - 2020/06 The Institute of Electrical Engineers of Japan (IEEJ) Chairperson, Investigating R&D Committee on Advanced Nanomaterials and Nanostructure Control for Innovative Organic Devices and Life Science
- 2014/07 - 2020/06 The Institute of Electrical Engineers of Japan (IEEJ) Member, Technical Committee on Dielectrics and Electrical Insulation
- 2019/05 - 2020/04 The Japan Society of Applied Physics (JSAP) Chair, Annual Meetings Planning and Operations Committee
- 2018/04 - 2020/03 The Japan Society of Applied Physics (JSAP) Vice Chairperson, Hokuriku-Shin’etsu Chapter
- 2017/06 - 2019/05 The Institute of Electrical Engineers of Japan (IEEJ) R&D Management Officer, Fundamentals and Materials Society
- 2017/06 - 2019/05 The Institute of Electrical Engineers of Japan (IEEJ) Member, ICEE (The International Council on Electrical Engineering) Japan Committee
- 2018/05 - 2019/04 The Japan Society of Applied Physics (JSAP) Vice Chair, Annual Meetings Planning and Operations Committee
- 2017/01 - 2018/12 The Institute of Electrical and Electronics Engineers, Inc. Vice Chair, Shin-etsu Section
- 2016/07 - 2018/06 The Institute of Electrical Engineers of Japan (IEEJ) Member, Investigating R&D Committee on Flexible, Energy, Information, Robotics Devices and Related Technologies
- 2014/07 - 2017/06 The Institute of Electrical Engineers of Japan (IEEJ) Chairperson, Investigating R&D Committee on Advanced Nanostructure Control for High-Performance Organic Devices and Life Science
- 2016/06 - 2017/05 The Institute of Electronics, Information and Communication Engineers (IEICE) Chair of General and Society Conferences, Electronics Society
- 2015/06 - 2017/05 The Institute of Electronics, Information and Communication Engineers (IEICE) General Conference Board Member
- 2015/06 - 2016/06 The Institute of Electronics, Information and Communication Engineers (IEICE) Secretary of General and Society Conferences, Electronics Society
- 2014/06 - 2016/05 The Institute of Electrical Engineers of Japan (IEEJ) Member, Investigating R&D Committee on Flexible Energy and Information Devices and Related Technologies
- 2013/05 - 2015/06 The Institute of Electronics, Information and Communication Engineers (IEICE) Chair, Technical Committee on Organic Material Electronics (OME)
- 2014/05 - 2015/05 The Institute of Electrical Engineers of Japan (IEEJ) Member, General Affairs Committee
- 2013/05 - 2015/05 The Institute of Electrical Engineers of Japan (IEEJ) Planning & General Affairs Officer, Fundamentals and Materials Society
- 2013/05 - 2014/05 The Institute of Electrical Engineers of Japan (IEEJ) Member, Public Relations Committee
- 2012/06 - 2014/05 The Institute of Electrical Engineers of Japan (IEEJ) Member, Investigating R&D Committee on Materials, Processes and Characterization Techniques for Flexible Film Devices
- 2011/04 - 2014/03 The Institute of Electrical Engineers of Japan (IEEJ) Chairperson, Investigating R&D Committee on Nano-Materials and Structure Control for Organic Devices with New Function and High Performance
- 2011/04 - 2014/03 The Institute of Electrical Engineers of Japan (IEEJ) Member, Technical Committee on Dielectrics and Electrical Insulation
- 2011/05 - 2013/05 The Institute of Electronics, Information and Communication Engineers (IEICE) Vice Chair, Technical Committee on Organic Material Electronics (OME), Vice Chair
- 2010/06 - 2012/05 The Institute of Electrical Engineers of Japan (IEEJ) Member, Investigating R&D Committee on Processes and Evaluation Technologies for Flexible Film Devices
- 2010/04 - 2012/03 The Japan Society of Applied Physics (JSAP) Secretary, Hokuriku-Shin’etsu Chapter
- 2009/05 - 2011/05 The Institute of Electronics, Information and Communication Engineers (IEICE) Secretary, Technical Committee on Organic Material Electronics (OME)
- 2009/01 - 2010/12 The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Technical Program Chair (Professional Activities/Educational Activities), Shin-etsu Section
- 2007/11 - 2010/10 The Institute of Electrical Engineers of Japan (IEEJ) Chairperson, Investigating R&D Committee on Nano-Interface Properties of Organic and Composite Thin Films and Device/Sensor Applications
- 2007/11 - 2010/10 The Institute of Electrical Engineers of Japan (IEEJ) Member, Technical Committee on Dielectrics and Electrical Insulation
- 2008/06 - 2010/05 The Institute of Electrical Engineers of Japan (IEEJ) Member, Investigating R&D Committee on Interface Control and Process Technology for Film-based Devices
- 2008/05 - 2010/05 The Institute of Electrical Engineers of Japan (IEEJ) Acting Member (Niigata Subbranch Chairperson), Tokyo Branch
- 2002/05 - 2008/05 The Institute of Electrical Engineers of Japan (IEEJ) Member, Niigata Subbranch, Tokyo Branch
- 2006/04 - 2008/03 The Institute of Electrical Engineers of Japan (IEEJ) Member, Investigating R&D Committee on Geometric Control of Thin Film and Interface Structures for Organic Devices
- 2005/05 - 2007/05 The Institute of Electronics, Information and Communication Engineers (IEICE) Delegate
- 2005/05 - 2007/03 The Institute of Electrical Engineers of Japan (IEEJ) Member, Technical Committee on Dielectrics and Electrical Insulation
- 2005/05 - 2007/03 The Institute of Electrical Engineers of Japan (IEEJ) Chairperson, Investigating R&D Committee on Properties and Novel Functions of Nano-structured Organic and Composite Thin Films and Device Applications
- 2003/07 - 2006/06 The Institute of Electrical Engineers of Japan (IEEJ) Member, Investigating R&D Committee on Deployment of Organic Electrical and Electronic Materials with Flexible Structure to Nanotechnology
- 2004/04 - 2006/03 The Japan Society of Applied Physics (JSAP) Member, Editorial Committee on the Membership Journal ”OYO BUTURI”
- 2002/04 - 2006/03 The Japan Society of Applied Physics (JSAP) Member, Program Committee of Annual Meetings
- 2003/11 - 2005/10 The Institute of Electrical Engineers of Japan (IEEJ) Member, Investigating R&D Committee on Organic Electronic Materials and Evaluation Technology for Flexible Devices
- 2004/05 - 2005/05 The Institute of Electronics, Information and Communication Engineers (IEICE) Secretary, Shin-etsu Section
- 2004/04 - 2005/05 The Institute of Electrical Engineers of Japan (IEEJ) Secretary, Investigating R&D Committee on Properties and Novel Functions of Nano-structured Organic and Composite Thin Films and Device Applications
- 2001/02 - 2004/01 The Japan Society of Applied Physics (JSAP) Delegate
- 2000/01 - 2003/12 The Institute of Electrical Engineers of Japan (IEEJ) Member, Investigating R&D Committee on Development of Dielectric and Electrical Insulation Technology for Organic Molecular Devices
- 2000/07 - 2003/06 The Institute of Electrical Engineers of Japan (IEEJ) Secretary, Investigating R&D Committee on Functionalization of Organic Thin films, Molecular Ultrathin Films and Organic-Inorganic Composite Films
- 1997/05 - 2003/05 The Institute of Electronics, Information and Communication Engineers (IEICE) Member, Technical Committee on Organic Material Electronics (OME)
- 2001/04 - 2003/03 The Japan Society of Applied Physics (JSAP) Secretary, Molecular Electronics and Bioelectronics Division
- 2002/02 - 2003/01 The Japan Society of Applied Physics (JSAP) Member, Delegate Selection Committee
- 2000/05 - 2002/05 The Institute of Electrical Engineers of Japan (IEEJ) Secretary, Niigata Subbranch, Tokyo Branch
- 1997/07 - 2000/06 The Institute of Electrical Engineers of Japan (IEEJ) Secretary, Investigating R&D Committee on Structure and Function of Molecular Ultrathin Films, Organic Thin Films and Interfaces
- 1998/04 - 1999/03 The Japan Society of Applied Physics (JSAP) Secretary, Niigata Branch, Hokuriku-Shin’etsu Chapter
- 1996/05 - 1998/05 The Institute of Electrical Engineers of Japan (IEEJ) Secretary, Niigata Subbranch, Tokyo Branch
- 1992/06 - 1995/03 The Institute of Electrical Engineers of Japan (IEEJ) Assistant Secretary, Investigating R&D Committee on Functional Design and Control of Organic Ultrathin Films
- 1988/05 - 1994/05 The Institute of Electrical Engineers of Japan (IEEJ) Member, Niigata Subbranch, Tokyo Branch