Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367233 | Brushless motor operating apparatus provided with a filter having a voltage divider circuit | — | 1994-11-22 |
| 5339013 | Method and apparatus for driving a brushless motor including varying the duty cycle in response to variations in the rotational speed | Mitsuhisa Nakai, Toshiaki Yagi | 1994-08-16 |
| 5311105 | Brushless motor operating method and apparatus | Mitsuhisa Nakai, Toshiaki Yagi | 1994-05-10 |
| 5304903 | Brushless motor driving method and apparatus | Mitsuhisa Nakai, Toshiaki Yagi | 1994-04-19 |