Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5894486 | Coding/decoding apparatus | — | 1999-04-13 |
| 4644400 | Digital audio synchronizing system with cross-fade means | Toshitake Kouyama | 1987-02-17 |
| 4618890 | Digital audio synchronizing system with mute time switching function | Toshitake Kouyama | 1986-10-21 |