Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10763804 | Audio processing device and method for controlling audio processing device | Kazuhiro Yanaike | 2020-09-01 |
| 10630240 | Amplifier, audio device and control method | — | 2020-04-21 |
| 10609482 | Speaker operation checking device and method | — | 2020-03-31 |