Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647972 | State determining apparatus for exhaust gas recirculation system | Masahiro Sato, Yoshihisa Iwaki, Masaki Ueno, Yasuyuki Miyahara | 2003-11-18 |
| 6640540 | Adsorbent state determining apparatus | Masahiro Sato, Yoshihisa Iwaki, Masaki Ueno, Yuji Yasui | 2003-11-04 |
| 6601444 | Exhaust gas characteristic detecting apparatus for internal combustion engine | Kenichi Ohmori, Kei Machida, Norihito Watanabe | 2003-08-05 |
| 6581370 | Failure determination device for humidity sensor and control system for exhaust passage changeover valve | Masahiro Sato, Yoshihisa Iwaki, Masaki Ueno, Takashi Haga, Tadashi Sato +1 more | 2003-06-24 |
| 6550449 | Control system for internal combustion engine | Yoshihisa Iwaki, Masaki Ueno | 2003-04-22 |