Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789525 | Failure diagnosis apparatus for throttle valve actuating device | Tetsuya Ishiguro, Masahiro Sato, Eiji Hashimoto | 2004-09-14 |
| 6763655 | Catalyst state detector for exhaust gas purifying catalyst | Masaki Ueno, Masahiro Sato, Hideharu Yamazaki, Tetsuo Endo, Yoshihisa Iwaki +2 more | 2004-07-20 |
| 6698186 | Air-fuel ratio controller for internal combustion engines | Masaki Ueno, Yoshihisa Iwaki, Hiroshi Kitagawa | 2004-03-02 |
| 6681567 | Control system for internal combustion engine | Yuji Yasui, Masaki Ueno, Yoshihisa Iwaki, Masahiro Sato | 2004-01-27 |