Issued Patents All Time
Showing 26–50 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9599055 | Exhaust gas purification apparatus for an internal combustion engine | Koichi Kitaura, Masahiro Kubo | 2017-03-21 |
| 9512795 | Inter-cylinder air-fuel ratio variation abnormality detection apparatus | Kenji Suzuki, Hiroshi Miyamoto | 2016-12-06 |
| 9506416 | Inter-cylinder air-fuel ratio variation abnormality detection apparatus for multicylinder internal combustion engine | Kenji Suzuki, Hiroshi Miyamoto | 2016-11-29 |
| 9435279 | Inter-cylinder air-fuel ratio variation abnormality detection apparatus | Kenji Suzuki | 2016-09-06 |
| 9328685 | Inter-cylinder air-fuel ratio variation abnormality detection apparatus for multicylinder internal combustion engine | Kenji Suzuki, Hiroshi Miyamoto, Senji Kato | 2016-05-03 |
| 9194316 | Inter-cylinder air-fuel ratio imbalance determining apparatus for internal combustion engine | Hiroshi Miyamoto, Shuntaro Okazaki, Kenji Suzuki | 2015-11-24 |
| 9194315 | Air-fuel ratio imbalance among cylinders determining apparatus for an internal combustion engine | Hiroshi Miyamoto, Hiroshi Sawada, Keiichiro Aoki | 2015-11-24 |
| 9115661 | Fuel injection amount control system and fuel injection amount control device for multi-cylinder internal combustion engine | Hiroshi Miyamoto | 2015-08-25 |
| 9021789 | Degradation diagnostic apparatus for NOx catalyst | Hiroshi Sawada, Toru Kidokoro, Shinichiro Imamura | 2015-05-05 |
| 8965665 | Air-fuel ratio imbalance determining apparatus among cylinders for an internal combustion engine | Hiroshi Miyamoto, Fumihiko Nakamura, Hiroshi Sawada, Toru Kidokoro | 2015-02-24 |
| 8903625 | Air-fuel ratio imbalance among cylinders determining apparatus for a multi-cylinder internal combustion engine | Toru Kidokoro, Hiroshi Sawada, Fumihiko Nakamura | 2014-12-02 |
| 8833348 | Fuel injection amount control system and fuel injection amount control device for multi-cylinder internal combustion engine | Hiroshi Miyamoto | 2014-09-16 |
| 8826642 | Device for purifying exhaust gas of internal combustion engine | Takeho Aisaka, Takashi Nakamura, Takuya Matsumoto, Makoto Sato, Hiroshi Sawada +1 more | 2014-09-09 |
| 8744729 | Apparatus and method for detecting abnormal air-fuel ratio variation among cylinders of multi-cylinder internal combustion engine | Toru Kidokoro, Hiroshi Sawada, Fumihiko Nakamura | 2014-06-03 |
| 8725387 | Apparatus for determining an air-fuel ratio imbalance among cylinders of an internal combustion engine | Hiroshi Miyamoto, Fumihiko Nakamura, Hiroshi Sawada, Toru Kidokoro | 2014-05-13 |
| 8700290 | Abnormality determination system for multi-cylinder internal combustion engine | Hiroshi Miyamoto | 2014-04-15 |
| 8670917 | Air-fuel-ratio imbalance determination apparatus for internal combustion engine | Keiichiro Aoki | 2014-03-11 |
| 8650943 | Apparatus for determining an air-fuel ratio imbalance among cylinders of an internal combustion engine | Koichi Kimura, Hiroshi Sawada, Toru Kidokoro | 2014-02-18 |
| 8649956 | Apparatus for acquiring responsibility of oxygen concentration sensor | Yusuke Kawamura, Takuya Matsumoto, Takashi Nakamura, Makoto Sato, Toru Kidokoro +1 more | 2014-02-11 |
| 8583348 | Fuel injection amount control system, fuel injection amount control device, and fuel injection amount control method of multi-cylinder internal combustion engine | Hiroshi Miyamoto | 2013-11-12 |
| 8560208 | Inter-cylinder air-fuel ratio imbalance determination apparatus for internal combustion engine | Hiroshi Miyamoto, Hiroshi Sawada | 2013-10-15 |
| 8534046 | Apparatus and method for diagnosing catalyst deterioration | Hiroshi Miyamoto, Toru Kidokoro, Hiroshi Sawada, Koichi Kimura, Koichi Kitaura | 2013-09-17 |
| 8509984 | Monitoring apparatus for a multi-cylinder internal combustion engine | Toru Kidokoro, Hiroshi Sawada, Fumihiko Nakamura, Shuntaro Okazaki, Masanori Ishida | 2013-08-13 |
| 8510017 | Cylinder-to-cylinder air/fuel ratio imbalance determination system of internal combustion engine | Hiroshi Sawada, Hiroshi Miyamoto, Fumihiko Nakamura | 2013-08-13 |
| 8452517 | Air-fuel ratio imbalance among cylinders determining apparatus for an internal combustion engine | Hiroshi Sawada, Fumihiko Nakamura, Hiroshi Miyamoto | 2013-05-28 |