Issued Patents All Time
Showing 26–50 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7347184 | Controller and controlling method for internal combustion engine | Daisuke Kuroda, Keisuke Tani, Kazuyoshi Obayashi, Katsunori Tanaka | 2008-03-25 |
| 7291935 | Vehicle generator control device | Makoto Miwa, Daiji Isobe | 2007-11-06 |
| 7248960 | Air-fuel ratio sensor monitor, air-fuel ratio detector, and air-fuel ratio control | Noriaki Ikemoto, Naoki Yoshiume | 2007-07-24 |
| 7200988 | Air-fuel ratio control system and method | — | 2007-04-10 |
| 7201160 | Air-fuel ratio sensor monitor, air-fuel ratio detector, and air-fuel ratio control | Naoki Yoshiume | 2007-04-10 |
| 7171949 | Ignition timing controller for internal combustion engine | — | 2007-02-06 |
| 7131435 | Control apparatus for an internal combustion engine | Hideki Iwatsuki, Atsushi Sugimura | 2006-11-07 |
| 7040307 | System for diagnosing degradation of air-fuel sensor | Wataru Nagashima, Naoki Yoshiume | 2006-05-09 |
| 6976382 | Abnormality diagnosing apparatus of exhaust gas sensor | Hisashi Kadowaki, Syujiro Morinaga, Hideyuki Maeji | 2005-12-20 |
| 6898927 | Emission control system with catalyst warm-up speeding control | Syujiro Morinaga, Hisashi Iida, Yoshihiro Majima, Tatsuya Oka, Akira Ichikawa +5 more | 2005-05-31 |
| 6837232 | Air-fuel ratio control apparatus for internal combustion engine | — | 2005-01-04 |
| 6600998 | Catalyst deteriorating state detecting apparatus | Yoshihiro Majima, Noriaki Ikemoto | 2003-07-29 |
| 6560959 | Exhaust gas purification apparatus of internal combustion engine | Hiroyuki Katsuta, Yoshihiro Majima | 2003-05-13 |
| 6539707 | Exhaust emission control system for internal combustion engine | Noriaki Ikemoto, Hisashi Iida, Kouichi Shimizu | 2003-04-01 |
| 6438946 | Exhaust gas purification device for engines | Yoshihiro Majima, Noriaki Ikemoto | 2002-08-27 |
| 6382188 | Fuel injection control system of internal combustion engine | Jun Hasegawa | 2002-05-07 |
| 6341599 | Power supply control system for heater used in gas concentration sensor | Satoshi Hada, Kazuhiro Okazaki, Satoshi Haseda | 2002-01-29 |
| 6314790 | Oxygen concentration detecting apparatus | Yasuo Sagisaka | 2001-11-13 |
| 6311482 | Air-fuel ratio control apparatus for internal combustion engines | — | 2001-11-06 |
| 6263668 | Engine exhaust gas control system having NOx catalyst | Shigenori Isomura | 2001-07-24 |
| 6258232 | Gas component concentration measuring apparatus | Jun Hasegawa, Tomomichi Mizoguchi, Masayuki Takami | 2001-07-10 |
| 6244046 | Engine exhaust purification system and method having NOx occluding and reducing catalyst | — | 2001-06-12 |
| 6223730 | Fuel injection control system of internal combustion engine | Jun Hasegawa, Daiji Isobe, Wakichi Kondo | 2001-05-01 |
| 6164125 | Detection of malfunction in gas concentration detection system | Tomoo Kawase, Eiichi Kurokawa, Satoshi Haseda, Toshiyuki Suzuki | 2000-12-26 |
| 6148612 | Engine exhaust gas control system having NOx catalyst | Shigenori Isomura | 2000-11-21 |