| 2007-07 -- 2007-10 | | Member of Techinical Program Committee of The Seventh Workshop on Omnidirectional Vision, Camera Networks and Non-classical Cameras (OMNIVIS2007) |
| 2008-07 -- 2008-10 | | Member of Techinical Program Committee of The Seventh Workshop on Omnidirectional Vision, Camera Networks and Non-classical Cameras (OMNIVIS2008) |
| 2007-06 -- 2008-05 | Information Processing Society of Japan | Sub-Manager of the editorial board of IPSJ journal (information system group) |
| 2006-01 -- 2006-10 | THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS. | A member of the editorial board of an IEICE journal featuring "Cyberworld" |
| 2005-07 -- 2006-06 | THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS. | A member of the editorial board of an IEICE ED journal featuring Human Communication II" |
| 2003-10 -- 2004-06 | THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS. | A member of the editorial board of an IEICE ED journal featuring "Human Communication" |
| 2000-06 -- 2001-06 | THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS. | A member of the editorial board of an IEICE D-II journal featuring "System Development Papers" |
| 2002-07 -- 2004-05 | THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS. | Deputy secretary-general of the steering committee of MVE technical group meeting of IEICE |
| 2006-01 -- 2006-06 | | Demo chair of The 2nd Digital Content Symposium |
| 2008-06 -- 2009-05 | THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS. | パターン認識・メディア理解研究専門委員会 幹事補佐 |
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