Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5330411 | Lever-type connector | Mitsuhiro Fujitani, Toshikazu Saba | 1994-07-19 |
| 4387275 | Speaker and speaker system | Yasuomi Shimada, Toshiyuki Mizutani | 1983-06-07 |
| 4243839 | Transducer with flux sensing coils | Kenichi Takahashi, Takafumi Ueno, Yasuomi Shimada, Shinichiro Ishii | 1981-01-06 |