Issued Patents 2023
Showing 1–3 of 3 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 |