Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7003095 | Acoustic echo canceler and handsfree telephone set | Takehiro Nakai, Hiroshi Katayama, Hideaki Kurihara | 2006-02-21 |
| 6701292 | Speech recognizing apparatus | Hiroshi Katayama, Takehiro Nakai | 2004-03-02 |
| 6401200 | Device for simultaneously downloading code into plural DSP memories from single master memory | Rika Nishiike, Hiroshi Katayama | 2002-06-04 |
| 5909662 | Speech processing coder, decoder and command recognizer | Yasushi Yamazaki, Tomohiko Taniguchi, Tomonori Sato, Hitoshi Matsuzawa | 1999-06-01 |