Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4536649 | Photoelectric converter-type pulse encoder | Yoichi Amemiya, Sunao Asahara | 1985-08-20 |
| 4495464 | Non-contacting, speed-detecting device of a direct-current generator type | Yoichi Amemiya, Noboru Iwamatsu | 1985-01-22 |
| 4449177 | Discharging circuit for power source device with rectifier circuit | Katsuo Kobari, Keiji Sakamoto | 1984-05-15 |