Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5977742 | Electric vehicle control device | — | 1999-11-02 |
| 5629592 | Electric vehicle control device in both an alternating current section and a direct current section | — | 1997-05-13 |
| 5347442 | Electric power supply system for electric train which removes flickering in lighting | Susumu Yamada | 1994-09-13 |