Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6236172 | Driving system for electric vehicle | Sanshiro Obara, Hiroshi Katada, Suetaro Shibukawa, Shotaro Naito | 2001-05-22 |
| 6198256 | Control apparatus for a synchronous generator system and a hybrid-type electric vehicle using it | Taizou Miyazaki, Ryoso Masaki, Satoru Kaneko, Kazuyoshi Sasazawa, Sanshiro Obara | 2001-03-06 |
| 6194865 | Control method and system for electric rotary machine | Toshisada Mitsui, Eiichi Ohtsu | 2001-02-27 |
| 6166937 | Inverter device with cooling arrangement therefor | Hirohisa Yamamura, Osamu Suzuki, Akio Yasukawa | 2000-12-26 |
| 5994881 | Control apparatus for a synchronous generator system and a hybrid-type electric vehicle using it | Taizou Miyazaki, Ryoso Masaki, Satoru Kaneko, Kazuyoshi Sasazawa, Sanshiro Obara | 1999-11-30 |
| 5920161 | Driving system for permanent magnet type synchronous machine suitable for electric vehicle and driving control method using the same | Sanshiro Obara, Kazuyoshi Sasazawa | 1999-07-06 |
| 5877601 | Control system for electric vehicle and control method therefor in which an inverter relay is controlled at the time of its re-closing after being disconnected | Sanshiro Obara, Hiroshi Katada, Eiichi Ohtsu, Ryoso Masaki | 1999-03-02 |
| 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 |
| 5495908 | Electric car control system | Sanshiro Obara, Hiroyuki Yamada, Shigeyuki Yoshihara | 1996-03-05 |