Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5130620 | Brushless DC motor without a position sensor | Toshio Inaji, Kenichi Honjo | 1992-07-14 |
| 4933834 | Control system with improved robustness to disturbances | Eiji Ueda | 1990-06-12 |
| 4878165 | Control system with improved robustness to disturbances | Shigeaki Matsubayashi | 1989-10-31 |
| 4821168 | Control system with improved robustness to disturbances | — | 1989-04-11 |
| 4755729 | Method of controlling a control system with improved robustness to disturbances | — | 1988-07-05 |
| 4713697 | Camera apparatus | Hiroshi Mitani, Yoshiaki Igarashi | 1987-12-15 |
| 4692645 | Rotating electric motor with reduced cogging torque | — | 1987-09-08 |
| 4692646 | Rotating electric motor with reduced cogging torque | — | 1987-09-08 |
| 4527102 | Drive system for a DC motor with reduced power loss | — | 1985-07-02 |
| 4500830 | Current control circuit for a plurality of loads | Hiroshi Okamoto | 1985-02-19 |
| 4494053 | Winding voltage balancing circuit for brushless DC motor | — | 1985-01-15 |
| 4491770 | Brushless DC motor | — | 1985-01-01 |
| 4472666 | Brushless DC motor | Takafumi Akeda, Yoshiaki Igarashi, Yoshiteru Hosokawa | 1984-09-18 |
| 4360767 | Motor speed control apparatus | Ryo Akiyama | 1982-11-23 |
| 4359674 | Control system for a DC motor | — | 1982-11-16 |
| 4280072 | Rotating electric machine | Kazutsugu Kobayashi, Kenichiro Okumura | 1981-07-21 |