Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655485 | Hybrid drive system wherein clutch in engaged when engine speed has exceeded motor speed upon switching from motor drive mode to engine drive mode | Masatoshi Ito, Hidehiro Oba, Hiroatsu Endo | 2003-12-02 |
| 6637530 | Hybrid vehicle control apparatus wherein battery is charged based on required charging amount and/or energy conversion efficiency of electric generator | Hiroatsu Endo, Hidehiro Oba, Mitsuhiro Umeyama | 2003-10-28 |
| 6565480 | Control apparatus for drive system | Hiroatsu Endo, Tatsuya Ozeki, Yukio Kinugasa | 2003-05-20 |