Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5983172 | Method for coding/decoding, coding/decoding device, and videoconferencing apparatus using such device | Makoto Takashima | 1999-11-09 |
| 5956686 | Audio signal coding/decoding method | Makoto Takashima, Hidetoshi Sekine | 1999-09-21 |
| 5566191 | Soft decision maximum likelihood decoding method with adaptive metric | Makoto Ohnishi, Yasuko Shinata, Masahiro Koya | 1996-10-15 |
| 5384891 | Vector quantizing apparatus and speech analysis-synthesis system using the apparatus | Katsuya Yamasaki, Akira Ichikawa | 1995-01-24 |
| 5142582 | Speech coding and decoding system with background sound reproducing function | Toshiyuki Aritsuka | 1992-08-25 |
| 5119424 | Speech coding system using excitation pulse train | Akira Ichikawa, Kazuhiro Kondo, Toshiro Suzuki | 1992-06-02 |
| 5077798 | Method and system for voice coding based on vector quantization | Akira Ichikawa, Shunichi Yajima, Toshiyuki Aritsuka, Katsuya Yamasaki | 1991-12-31 |
| 5060268 | Speech coding system and method | Takanori Miyamoto, Kazuhiro Kondo, Akira Ichikawa, Toshiro Suzuki | 1991-10-22 |
| 4985923 | High efficiency voice coding system | Akira Ichikawa, Akio Komatsu, Eiji Oohira | 1991-01-15 |
| 4975957 | Character voice communication system | Akira Ichikawa, Shoichi Takeda, Nobuo Hataoka | 1990-12-04 |
| 4776015 | Speech analysis-synthesis apparatus and method | Shoichi Takeda, Akira Ichikawa | 1988-10-04 |
| 4718095 | Speech recognition method | Akio Komatsu, Nobuo Hataoka, Akira Ichikawa, Kiyoshi Nagasawa | 1988-01-05 |
| 4528688 | Continuous speech recognition method | Akira Ichikawa, Akio Komatsu | 1985-07-09 |