Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4410063 | Loudspeaker system | Akira Yasue, Toshiji Kato | 1983-10-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4410063 | Loudspeaker system | Akira Yasue, Toshiji Kato | 1983-10-18 |