Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661382 | Motor drive circuit having a soft switching circuit and a push-pull configuration of transistors operated in a linear mode | Satoshi Yamamoto | 1997-08-26 |
| 4623939 | Rotation control apparatus for a motor | Toyotaka Machida | 1986-11-18 |
| 4572995 | Synchronism discriminating circuit | — | 1986-02-25 |
| 4542423 | Rotation control device for information recording disc | Eiichi Kotake, Kinzo Wada | 1985-09-17 |
| 4504881 | Protective circuit for an electric motor | Kinzo Wada | 1985-03-12 |
| 4417186 | Commutatorless electrical motor having sub magnetic poles | Yukimi Hirose, Kinzo Wada | 1983-11-22 |