Issued Patents All Time
Showing 26–50 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7004128 | Control apparatus for device having dead band, and variable valve system | Yoshihiro Majima, Jun Hasegawa, Masaomi Inoue, Hideyuki Maeji, Haruyuki Urushihata +1 more | 2006-02-28 |
| 6941745 | Exhaust gas cleaning system of internal combustion engine | Noriaki Ikemoto | 2005-09-13 |
| 6932053 | Control device of internal combustion engine | Hideaki Ichihara, Noriaki Ikemoto | 2005-08-23 |
| 6915203 | Apparatus and method for diagnosis of vehicular system | Yoshinori Maegawa, Syujiro Morinaga, Tatsuya Oka, Masakazu Yamada | 2005-07-05 |
| 6898927 | Emission control system with catalyst warm-up speeding control | Syujiro Morinaga, Yoshihiro Majima, Tatsuya Oka, Akira Ichikawa, Keiji Wakahara +5 more | 2005-05-31 |
| 6880329 | Exhaust gas purifying system for internal combustion engines | Mitsuo Hara, Hideki Suzuki, Yoshiyuki Okamoto | 2005-04-19 |
| 6751950 | Emission control apparatus for engine | Noriaki Ikemoto | 2004-06-22 |
| 6732504 | Control apparatus of internal combustion engine | Yoshihiro Majima, Jun Hasegawa, Toyoji Yagi | 2004-05-11 |
| 6718252 | Control apparatus for internal combustion engine | Katsuhiko Kawai, Muneyuki Iwata | 2004-04-06 |
| 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 |
| 6343467 | Air-fuel ratio control apparatus and method for internal combustion engine | Hidenobu Muto, Shujiro Morinaga | 2002-02-05 |
| 6340262 | Writing implement with an ink collector | Motohiro Komiya | 2002-01-22 |
| 6338336 | Engine air-fuel ratio control with fuel vapor pressure-based feedback control feature | — | 2002-01-15 |
| 6302091 | Air-fuel ratio feedback control for engines having feedback delay time compensation | — | 2001-10-16 |
| 6085518 | Air-fuel ratio feedback control for engines | Yukihiro Yamashita, Shujiro Morinaga, Hidenobu Muto | 2000-07-11 |
| 6037391 | Water based dye ink composition for free ink rollerball pen | — | 2000-03-14 |
| 6032659 | Abnormality diagnosing system for air/fuel ratio feedback control system | Yukihiro Yamashita, Yasuo Sagisaka | 2000-03-07 |
| 5974857 | Apparatus and method for controlling oxygen sensor heating | Yukihiro Yamashita, Jun Hasegawa | 1999-11-02 |
| 5967129 | Air-fuel ratio control for internal combustion engine enabling feedback before sensor activation | Yukihiro Yamashita | 1999-10-19 |
| 5964208 | Abnormality diagnosing system for air/fuel ratio feedback control system | Yukihiro Yamashita, Jun Hasegawa, Wakichi Kondo, Yasuo Sagisaka, Masahiko Yamaguchi | 1999-10-12 |
| 5950606 | System for diagnosing fuel supply system of internal combustion engine | Shujiro Morinaga, Hidenobu Muto | 1999-09-14 |