Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662782 | Controller for internal combustion engine | Jun Hasegawa, Yoshiyuki Okamoto, Tomoaki Nakano | 2003-12-16 |
| 6601383 | Emission control apparatus for engine and method for reducing emissions of engine | Jun Hasegawa, Kouichi Shimizu | 2003-08-05 |
| 6539707 | Exhaust emission control system for internal combustion engine | Noriaki Ikemoto, Yukihiro Yamashita, Kouichi Shimizu | 2003-04-01 |
| 6536414 | Fuel injection control system for internal combustion engine | Jun Hasegawa | 2003-03-25 |
| 6530214 | Air-fuel ratio control apparatus having sub-feedback control | Noriaki Ikemoto, Kouichi Shimizu | 2003-03-11 |