Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9337794 | Array microphone device and gain control method | — | 2016-05-10 |
| 7774201 | Acoustic device with first and second gain setting units | — | 2010-08-10 |
| 7013381 | Function-variable type digital signal processing apparatus, and method of and program for controlling the same | — | 2006-03-14 |
| 5796847 | Sound reproduction apparatus | Yuji Kaihotsu, Toshikazu Chiba | 1998-08-18 |