Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11805367 | Speaker | Hiroki Toita, Ryo Ito | 2023-10-31 |
| 11756523 | Active noise control system | — | 2023-09-12 |
| 11622195 | Active noise control system utilizing noise cancellation sounds | Yoshinobu Kajikawa | 2023-04-04 |