Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661380 | Method and apparatus for operating an electric vehicle drive system during periods of sensor malfunction | Sanshiro Obara, Shigeyuki Yoshihara, Hiroyuki Yamada | 1997-08-26 |
| 5659235 | Drive controller and control method for electric vehicle | Hiroyuki Yamada, Sanshiro Obara | 1997-08-19 |
| 5631796 | Electric vehicle control system | Shigeyuki Yoshihara, Sanshiro Obara, Shotaro Naito | 1997-05-20 |
| 5610483 | Control equipment for electric vehicle and control method thereof | Sanshiro Obara, Hiroyuki Yamada, Ryoso Masaki | 1997-03-11 |