Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11749293 | Audio signal processing device | Tetsuro Horikawa | 2023-09-05 |
| 11694705 | Sound signal processing system apparatus for avoiding adverse effects on speech recognition | Tetsuro Horikawa | 2023-07-04 |
| 11600288 | Sound signal processing device | — | 2023-03-07 |
| 5812677 | Acoustic signal processing method and apparatus | — | 1998-09-22 |