Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801855 | Method and system for controlling chopper | Makoto Nohmi | 1989-01-31 |
| 4799161 | Control apparatus for maintaining traction in electric rolling stock | Tetsuji Hirotsu, Kiyoshi Nakamura, Syoji Kasai, Hiroshi Yamaguchi | 1989-01-17 |
| 4752723 | Chopper control system | Makoto Nohmi, Tadashi Takaoka | 1988-06-21 |
| 4327313 | Control apparatus for electric car | Takashi Tsuboi, Shigetoshi Okamatsu, Masahiko Ibamoto, Hiroshi Narita | 1982-04-27 |
| 4216420 | Braking control system selectively operable in dynamic and regenerative braking operation for electric car | Yoshiji Jinbo, Hiroshi Narita | 1980-08-05 |