Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650697 | Motor unit, motor drive unit, fan unit and method of controlling the motor drive unit | Yoshio Yoshikuwa, Takuo Akiyama, Norikazu Ishikawa, Tatsunao Hayashida, Yu Hasegawa +4 more | 1997-07-22 |