Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650697 | Motor unit, motor drive unit, fan unit and method of controlling the motor drive unit | Akihiko Imagi, Yoshio Yoshikuwa, Takuo Akiyama, Norikazu Ishikawa, Tatsunao Hayashida +4 more | 1997-07-22 |
| 5642857 | Control apparatus for multi-air-conditioner | Hidekazu Totsuka, Kenshi Kawagishi, Yasunori Shida, Yukihiko Iwata | 1997-07-01 |