Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11508389 | Audio signal processing apparatus, audio signal processing system, and audio signal processing method | — | 2022-11-22 |
| 11316719 | Transmitting apparatus, receiving apparatus, and transmitting-receiving system | — | 2022-04-26 |
| 8045728 | Conference audio system | Tatsuji Harima | 2011-10-25 |