Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11356778 | Speaker controller, signal supplying device, and speaker system | — | 2022-06-07 |
| 11330362 | Acoustic device | Akihiko Nozaki, Tsunenori SANO | 2022-05-10 |
| 11260526 | Driving control apparatus for actuator | — | 2022-03-01 |
| 11245368 | Class D amplifier | Takeshi Togawa | 2022-02-08 |