Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4766360 | Induction generator/motor system | Eiji Haraguchi, Hiroto Nakagawa, Akira Bando, Yoji Tanaka, Kenichi Ono +1 more | 1988-08-23 |
| 4743826 | Pumping-up generator/motor system and method of operation of the same | Akira Bando, Kenichi Ono, Hiroshi Sugisaka, Eiji Haraguchi, Hiroto Nakagawa | 1988-05-10 |
| 4633380 | Applied voltage detecting device for electric power convertor | — | 1986-12-30 |