Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656911 | Circuit for driving permanent-magnet synchronous motor using proportional controller | Tomoharu NAKAYAMA, Koetsu Fujita, Takao Yanase, Masahiko Hanazawa, Shinichiro Kitada +2 more | 1997-08-12 |
| 5629596 | Method of controlling electric vehicle driven by an internal combustion engine | Katsuhiko Iijima | 1997-05-13 |
| 5629603 | Electric system of electric vehicle | — | 1997-05-13 |