Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10972856 | Audio processing method and audio processing apparatus | Futoshi SHIRAKIHARA | 2021-04-06 |
| 10708705 | Audio processing method and audio processing apparatus | Futoshi SHIRAKIHARA | 2020-07-07 |
| 10200784 | Speaker box structure of electronic device | Yu Yamazaki, Takuya Otsuka | 2019-02-05 |
| 9275612 | Keyboard instrument | Akira Miki, Hirofumi Onitsuka | 2016-03-01 |