Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471420 | Voice selection apparatus voice response apparatus, and game apparatus using word tables from which selected words are output as voice selections | Hidetsugu Maekawa, Tatsumi Watanabe, Kazuhiro Kayashima, Kenji Matsui, Yoshihiko Matsukawa | 2002-10-29 |
| 6148274 | Optimization adjusting method and optimization adjusting apparatus | Tatsumi Watanabe, Hideyuki Takagi, Susumu Maruno | 2000-11-14 |
| 6004015 | Optimization adjusting method and optimization adjusting apparatus | Tatsumi Watanabe, Hideyuki Takagi, Susumu Maruno | 1999-12-21 |
| 5884257 | Voice recognition and voice response apparatus using speech period start point and termination point | Hidetsugu Maekawa, Tatsumi Watanabe, Kazuhiro Kayashima, Kenji Matsui, Yoshihiko Matsukawa | 1999-03-16 |
| 5867581 | Hearing aid | — | 1999-02-02 |
| 4969142 | Reproduction of optically recorded signal | Michiyoshi Nagashima, Yoshinari Takemura | 1990-11-06 |
| 4875203 | Tracking servo signal generating device for an optical disc | Yoshinari Takamura, Michiyoshi Nagashima | 1989-10-17 |
| 4744070 | Optical disk and method of tracking the same | Yoshinari Takemura, Michiyoshi Nagashima | 1988-05-10 |
| 4712204 | Optical disk and method for reproducing reference signal therefrom | Yoshinari Takemura, Michiyoshi Nagashima | 1987-12-08 |