Issued Patents 2004
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834645 | Fuel supply control system for internal combustion engine | Osamu Takizawa | 2004-12-28 |
| 6830032 | Control system for throttle valve actuating device | Yoshihisa Iwaki, Jun Takahashi | 2004-12-14 |
| 6823839 | Apparatus for and method of controlling temperature of exhaust gas sensor, and recording medium storing program for controlling temperature of exhaust gas sensor | Yoshihisa Iwaki | 2004-11-30 |
| 6820603 | Control system and control method for internal combustion engine, and engine control unit | Jun Iwamoto, Hitoshi Takahashi, Hidemi Ogihara | 2004-11-23 |
| 6814067 | Control system for plant and air-fuel ratio control system for internal combustion engine | Yoshihisa Iwaki | 2004-11-09 |
| 6816774 | O2 sensor, apparatus for and method of controlling air-fuel ratio, and recording medium storing air-fuel ratio control program | Yoshihisa Iwaki | 2004-11-09 |
| 6816776 | Control system for plant | Yoshihisa Iwaki, Eiji Hashimoto | 2004-11-09 |
| 6792928 | Degradation determining system and method for exhaust gas sensor, and engine control unit | Yosuke Ishikawa, Shintaro Minowa | 2004-09-21 |
| 6789534 | Air-fuel ratio control system and method and engine control unit for internal combustion engine | Takahide Mizuno | 2004-09-14 |
| 6775608 | Air-fuel ratio control using virtual exhaust gas sensor | — | 2004-08-10 |
| 6760658 | Exhaust emission control system for internal combustion engine | Hiroshi Tagami, Yoshihisa Iwaki, Kunihiro Morishita | 2004-07-06 |
| 6718922 | Cam phase control apparatus and method, and engine control unit for internal combustion engine | — | 2004-04-13 |
| 6681567 | Control system for internal combustion engine | Masaki Ueno, Shusuke Akazaki, Yoshihisa Iwaki, Masahiro Sato | 2004-01-27 |
| 6684150 | Apparatus for and method of controlling plant | Hiroshi Tagami, Yoshihisa Iwaki, Kunihiro Morishita | 2004-01-27 |