Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11089393 | Loudspeaker system, loudspeaker system component, and audio system | Keisuke Fujimoto, Koji Sano, Teppei Koido | 2021-08-10 |
| 10979833 | Acoustical performance evaluation method | Keisuke Fujimoto | 2021-04-13 |