Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11700500 | Audio communication device | Shuji Miyasaka, Kazutaka Abe | 2023-07-11 |
| 7519665 | Multi-channel processing control device and multi-channel processing control method | Takashi Shimada | 2009-04-14 |