| 1971.4 - 1974.3 | Takamatsu high school |
| 1974.4 - 1978.3 | University of Tokyo |
| 1980.4 - 1982.3 | University of Tokyo (master) |
| 1978 | [ Bachelor ] Electrical Analog of a Single-Flux Quantum Device for Logic Design. |
| 1980 | [ Master ] Human Information Processing Model for Music signals. |
| 1989 | [ Ph. D. ] Medium Bit Rate Speech Coding Based on Frequency Domain Vector Quantization. |
| 1980.4 - 1988.12 | NTT / Research Engineer low bit rate speech coding |
| 1989.1 - 1989.11 | AT&T Bell Labs / Guest Researcher low delay speech coding |
| 1989.12 - 1997.3 | NTT / Senior Research Engineer low bit rate speech coding contribution to Japanese cellular standardization contribution to ITU-T G.729 standard |
| 1997.4 - 2001.3 | NTT / Senior Research Engineer, Distinguished Technical Member low bit rate audio coding and contribution to ISO/IEC MPEG-4 |
| 2001.4 - 2003.12 | NTT / Senior Research Engineer, Supervisor lossless coding and contribution to ISO/IEC MPEG-4 |
| 2004.1 - 2007.3 | NTT / Executive manager managing Human and Information Research Lab. lossless coding and contribution to ISO/IEC MPEG-4 |
| 2007.4 - 2021.3 | NTT / Head, Moriya Research Lab. NTT Fllow |
| 2021.4 - | NTT / NTT Fellow |
| 1985 | Young engineer award from IEICE Japan. |
| 1988 | Awaya memorial young engineer award from the Acoustical Society of Japan. |
| 1994 | Technical development award from the Acoustical Society of Japan. |
| 1995 | Kobayashi memorial achievement award from IEICE Japan. |
| 1995 | Paper award from IEICE Japan. |
| 1996 | Telecomm. system engineering award from the Telecommunications Advancement Foundation. |
| 1996 | Technical development award from the Acoustical Society of Japan. |
| 1996 | The minister of post and telecommunication award from RCR. |
| 1997 | Best technology award from Nikkei-BP. |
| 1998 | Distinguished invention award from Science and Technology Agency. |
| 1999 | Telecomm. system engineering award from the Telecommunications Advancement Foundation. |
| 1999 | Certificate of appreciation from ISO/IEC |
| 2001 | Certificate of appreciation from ISO/IEC |
| 2003 | IEEE Fellow |
| 2003 | Excellent patent award from the Japan Institute of Invention and Innovation |
| 2006 | Paper award from Information Processing Society of Japan. |
| 2006 | Standard contribution award from Information Technology Standards Commission of Japan. |
| 2007 | Telecomm. system engineering award from the Telecommunications Advancement Foundation. |
| 2007 | Achievement award from IEICE Japan. |
| 2008 | Japan Audio Society Award. |
| 2008 | Prizes for Science and Technology from the Japanese Minister of Education, Culture, Sports, Science and Technology |
| 2008 | Maejima Award |
| 2010 | Medal with purple ribbon |
| 2012 | Distinguished Achievement and Contributions Award from IEICE Japan. |
| 2014 | Standard Achievement award from Information Technology Standards Commission of Japan. |
| 2015 | IEICE Fellow |
| 2016 | IEEE James L. Flanagan Speech and Audio Processing Award |
| 2016 | Technical development award from the Acoustical Society of Japan. |
| 2016 | APSIPA Industrial Distinguished Leader |
| 2018 | IEICE Fundamentals Review Best Author Award |
| 2021 | IEEELife Fellow |
| 2021 | IEICE honorary member |
| 2021 | ASJ honorary member |
| 2022 | Telecomm. system engineering award from the Telecommunications Advancement Foundation. |
| 1990 | Award from Mobile communication system labs. |
| 1992 | Award from Human interface labs. |
| 1993 | NTT presidents' award |
| 1994 | Award from Human interface labs. |
| 1995 | Award from Human interface labs. |
| 1995 | NTT R&D award |
| 1996 | NTT presidents' award |
| 1997 | Award from Human interface labs. |
| 1999 | Award from Human interface labs. |
| 2002 | Distinguished patent award (2 patent families) |
| 2003 | Award from Cyber Communication labs. |
| 2004 | NTT R&D Fellow |
| 2004 | Distinguished patent award |
| 2005 | Distinguished patent award |
| 2006 | Award from the Director of CS Labs. |
| 2006 | NTT presidents' award |
| 2007 | NTT Fellow |
| 2007 | NTT Science and Core Technology Laboratory Group's award |
| 2008 | Distinguished patent award |
| 2011 | Distinguished patent award |
| 2014 | Distinguished patent award |
| 2014 | NTT Science and Core Technology Laboratory Group's award |
| 2016 | NTT presidents' award |
| 1990 | Advisor of Ph. D. Student at University of Maryland |
| 1994 | Lecturer at Gumma University |
| 1995 | Lecturer at University of Tokyo |
| 1995 | Lecturer at University of Aizu |
| 1999 | Lecturer at Nagoya University |
| 2000 | Lecturer for JICA students |
| 2000 | Lecturer at Technical University of Berlin |
| 2000 | Lecturer at Yamagata University |
| 2001 | Lecturer for JICA students |
| 2001 | Lecturer at Nanyan Technological University (Singapore) |
| 2001 | Lecturer at JAIST |
| 2002-2005 | Guest Professor at University of Tokyo |
| 2003 | Lecturer at Japan Defense Agency |
| 2003 | Lecturer at Mie University |
| 2004 | Lecturer at Tokyo Institute of Technology |
| 2004 | Invited Lecturer for I2R A*STAR (Singapore) |
| 2004 | Lecturer at University of Tokyo |
| 2006 | Invited Lecturer for I2R A*STAR (Singapore) |
| 2006 | Lecturer at Japan Wemen's University |
| 2006 | Lecturer at Ryukyuu University |
| 2007-2008 | Lecturer at the University of Electro-Communications |
| 2010 | Lecturer at Tokyo Denki Universityo |
| 2011-2014 | Guest Professor at University of Tokyo |
| 1994 - 1998 | Editor of Transactions of IEICE, Japan |
| 2000 - | Editor of ISO/IEC 14496-3:1999/COR 1 (MPEG-4 audio corrigendum 1) |
| 2000 | Co-editor of ISO/IEC 14496-5:2000 (MPEG-4 reference software) |
| 1997 - 2001 | Member of IEEE Speech Technical Committee |
| 1995, 1997, 1999, 2000 | Committee member of IEEE Speech Coding Workshop |
| 1998 - | Committee member of The Audio Engineering Society |
| 1999 - 2004 | Technical committee member for The Acoustical Society of Japan |
| 2001 | IEEE Senior Member |
| 2005 - | Committee member of the Acoustical Society of Japan |
| 2006 - | Committee member of AES Tokyo Convention 2007 |
| 2008 - 2010 | IEEE SP society Fellow evaluation committe member |
| 2008 - 2011 | Chair of the SC29 Technical Committee of Information Technology Standards Commission of Japan |
| 2011 - 2013 | Vice President of the Acoustical Society of Japan |
| 2013 - 2014 | Vice Chair of IEEE SP society Japan chapter |
| 2013 - 2015 | Senior Editorial Board member of IEEE Journal for Selected Topics in Signal Processing |
| 2015 - 2016 | Chair of IEEE SP society Tokyo joint chapter |
| 2015 - 2020 | Member of IEEE Speech and Language Technical Committee |
| 2016 - | Member of IEICE ESS Fellow Nomination Committee |
| 2017 - 2023 | Member of Science Council of Japan |