Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7037237 | Car control apparatus and control method | Hiroshi Sakamoto, Takashi Okada, Tetsuo Matsumura, Toshiharu Kumagai, Sunao Ishihara | 2006-05-02 |
| 7013746 | Control method and control apparatus of automatic transmission | Tetsuo Matsumura, Takashi Okada, Hiroshi Sakamoto, Sunao Ishihara, Toshiharu Kumagai | 2006-03-21 |
| 6895832 | Power transmission system | Sunao Ishihara, Kenji Matsuda, Toshiharu Kumagai | 2005-05-24 |
| 6779417 | Power transmission system | Sunao Ishihara | 2004-08-24 |
| 6776062 | Power transmission system | Sunao Ishihara | 2004-08-17 |