Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5818139 | Brushless DC motor | Akio Yamagiwa, Hiroaki Kojima | 1998-10-06 |
| 5804939 | Brushless D.C. motor driving and controlling method and apparatus therefor and electrical equipment | Hiroyuki Yamai, Taizou Kimura | 1998-09-08 |
| 5739650 | Motor system capable of obtaining high efficiency and method for controlling a motor | Taizou Kimura, Kiyotaka Nishijima, Hiroyuki Yamai, Akio Yamagiwa, Nobuki Kitano | 1998-04-14 |