Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4209733 | Motor control apparatus with an improved thyristor chopper circuit | Hiroshi Narita, Masahiko Ibamoto | 1980-06-24 |
| 4199711 | Control apparatus for electric motor vehicles | Michimasa Horiuchi, Masahiko Ibamoto | 1980-04-22 |