Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11089393 | Loudspeaker system, loudspeaker system component, and audio system | Keisuke Fujimoto, Koji Sano, Yasunori Miyamoto | 2021-08-10 |
| 10021475 | Headset | Suguru Nakao, Hirosi Kunimoto, Shuji Yamashita | 2018-07-10 |