| Learning association association activity |
| No. | Activity type | Learning association association name | Committee name etc | Position title | Fiscal year of activity |
| 1 | administration | IEICE | Engineering Sciences Society | President | 2019 - 2019 |
| 2 | Administration of international conference | IEEE | International Symposium on. Intelligent Signal Processing and Communication Systems, Steering Committee | Chair | 2018 - 2019 |
| 3 | administration | IEICE | Engineering Sciences Society | President-Elect | 2018 - 2018 |
| 4 | Administration of international conference | IEICE | 2017 International Symposium on Multimedia and Communication Technology | General Co-Chairs | 2017 - 2017 |
| 5 | Administration of international conference | IEEE | International Symposium on. Intelligent Signal Processing and Communication Systems, Steering Committee | Vice Chair | 2016 - 2017 |
| 6 | Administration of international conference | IEICE | 2016 International Symposium on Multimedia and Communication Technology | General Chair | 2016 - 2016 |
| 7 | Administration of international conference | IEEE | IEEE Region 10 Humanitarian Technology Conference 2013 | R10-HTC2013 Technical Program Committee, Technical Co-Chairs | 2012 - NOW |
| 8 | Administration of international conference | IEEE, IEICE | International Symposium on. Intelligent Signal Processing and Communication Systems | General Chair | 2012 - 2013 |
| 9 | Administration of international conference | IEEE | IEEE International Confererce on Acoustics, Speech, and Signal Processing | Special Session Chairs | 2011 - 2012 |
| 10 | Administration of international conference | IEEE | International Symposium on Comunications and Information Technologies 2010 | Special Session Chairs | 2009 - 2010 |
| 11 | Administration of international conference | IEICE | 2010 International Workshop on Smart Info-Media Systems in Asia | Advisory Board Liaison | 2009 - 2010 |
| 12 | Edit | IEICE | Special Section on Smart Multimedia & Communication Systems of IEICE Trans. on Fundamentals of Electronics, Communications and Computer Sciences | Guest Associate Editor | 2009 - 2010 |
| 13 | Administration of international conference | IEICE | International Workshop on Smart Info-Media Systems in Bangkok Organizing Committee | Honorary Chair | 2008 - 2008 |
| 14 | Administration of international conference | IEEE | 2012 IEEE International Conference on Acoustics, Speech, and Signal Processing | Special Session Co-Chairs | 2008 - NOW |
| 15 | Edit | IEICE | Special Section on Smart Multimedia & Communication Systems of IEICE Trans. on Fundamentals of Electronics, Communications and Computer Sciences | Guest Associate Editor | 2008 - 2009 |
| 16 | Administration of international conference | APSIPA | 2009 APSIPA Annual Summit and Conference | Finance Chair | 2008 - 2009 |
| 17 | Administration of international conference | IEICE | International Workshop on Smart Info-Media Systems in Bangkok Organizing Committee | General co-Chairs | 2007 - 2007 |
| 18 | administration | IEEE | IEEE Japan Council, Student Activities Committee | Chair | 2007 - 2008 |
| 19 | Edit | IEICE | Special Section on Smart Multimedia & Communication Systems of IEICE Trans. on Fundamentals of Electronics, Communications and Computer Sciences | Guest Editors | 2007 - 2008 |
| 20 | Administration of international conference | IS&T/SPIE | Electronic Imaging. Image Processing: Algorithms and System | Program Committee Member | 2006 - NOW |
| 21 | Administration of international conference | IEEE | IEEE International Symposium on Communications and Information Technologies 2006 | Technical Program Chair | 2006 - 2006 |
| 22 | Research committee | IEEE&EURASIP | Nonlinear Signal and Image Processing Board | Chair | 2006 - NOW |
| 23 | administration | IEEE | IEEE Japan Council, Student Activities Committee | Vice Chair | 2005 - 2006 |
| 24 | Administration of international conference | IEEE | Organizing Committee:2005 IEEE International Symposium on Circuits and Systems | Track Co-Chairs | 2005 - 2005 |
| 25 | Administration of international conference | IEEE&EURASIP | IEEE-EURASIP International Workshop on Nonlinear Signal and Image Processing 2005 | Technical Program Co-Chairs | 2005 - 2005 |
| 26 | Edit | IEICE | Special Section on Signal Processing of IEICE Trans. on Fundamentals of Electronics, Communications and Computer Sciences | Secretary | 2005 - 2005 |
| 27 | Edit | IEICE | Electronics Express | Associate Editor | 2004 - 2007 |
| 28 | Research committee | IEEE&EURASIP | Nonlinear Signal and Image Processing Board | Vice Chair | 2004 - 2005 |
| 29 | Administration of international conference | IEEE | Organizing Committee:The 2004 IEEE International Midwest Symposium on Circuits and Systems | Registration Co-Chairs | 2004 - 2004 |
| 30 | Administration of international conference | IEEE | Organizing Committee:IEEE International Symposium on Communications and Information Technologies 2004 | Registration Chair | 2004 - 2004 |
| 31 | Administration of international conference | IEEE | International Steering Committee of IEEE International Symposium on Intelligent Signal Processing and Communications Systems | Member | 2004 - NOW |
| 32 | Administration of international conference | IEEE | Organizing Committee:IEEE 2003 International Symposium on Intelligent Signal Processing | Technical Program Chair | 2003 - 2003 |
| 33 | Edit | IEICE | IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences | Editor | 2003 - 2003 |
| 34 | administration | IEEE | IEEE Japan Council, Student Activities Committee | Secretary | 2003 - 2004 |
| 35 | Administration of international conference | IS&T/SPIE | Electronic Imaging, Image Processing: Algorithms and Systems | Program Committee Member | 2002 - 2005 |
| 36 | Edit | IEICE | IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences | Editor | 2001 - 2002 |
| 37 | Edit | IEICE | IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences | Associate Editor | 1999 - 2000 |
| 38 | Administration of international conference | IS&T/SPIE | Electronic Imaging, Nonlinear Image Processing | Program Committee Member | 1995 - 2001 |
| 39 | Research committee | IEEE&EURASIP | Nonlinear Signal and Image Processing Board | Member | 1995 - 2003 |
