Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12063012 | Amplifier device, audio device, and method for controlling amplifier device | — | 2024-08-13 |
| 10631095 | Speaker device, and method for improving sound quality of speaker device | Tatsuyoshi Moriyama | 2020-04-21 |