Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9027325 | Exhaust purification device of internal combustion engine | Yusuke Nakayama, Takaaki Itou, Takaaki Kanazawa | 2015-05-12 |
| 8640681 | Control apparatus for internal combustion engine | Takashi Kawai | 2014-02-04 |
| RE42631 | Method of controlling air fuel ratio learning for dual injection internal combustion engine in hybrid vehicle | Yusuke Nakayama, Koji Morita | 2011-08-23 |
| 7814743 | Control apparatus for internal combustion engine | Toshio Inoue, Tsukasa Abe, Shunsuke Fushiki, Mamoru Tomatsuri, Daigo Ando +7 more | 2010-10-19 |
| 7273043 | Control device of internal combustion engine | Shigeo Okubo, Zenichiro Mashiki, Nobuyuki Shibagaki, Hiroyuki Nomura, Yoshiyuki Shogenji +4 more | 2007-09-25 |
| 7234447 | Control device of internal combustion engine | Shigeo Okubo, Zenichiro Mashiki, Nobuyuki Shibagaki, Hiroyuki Nomura, Yoshiyuki Shogenji +4 more | 2007-06-26 |
| 7174883 | Intake-negative-pressure-increasing apparatus for engine | Mamoru Yoshioka | 2007-02-13 |
| 7150266 | Method of controlling air fuel ratio learning for dual injection internal combustion engine in hybrid vehicle | Yusuke Nakayama, Koji Morita | 2006-12-19 |
| 6837040 | In-cylinder injection type spark-ignition internal combustion engine and control method thereof | Yasuyuki Irisawa, Takashi Tsunooka, Koichi Kitaura | 2005-01-04 |
| 5088281 | Method and apparatus for determining deterioration of three-way catalysts in double air-fuel ratio sensor system | Takahide Izutani, Nobuaki Kayanuma, Michio Furuhashi, Hiroyuki Sawamoto, Kouichi Hoshi +2 more | 1992-02-18 |
| 5027784 | PCV system with a check valve device | Kouichi Osawa | 1991-07-02 |
| 5018494 | Idling speed control device of an engine | Kouichi Osawa, Hiroshi Kanai, Kouichi Hoshi, Hiroki Matsuoka, Michihiro Ohashi +1 more | 1991-05-28 |
| 4991559 | Fuel injection control device of an engine | Kouichi Osawa, Hiroshi Kanai, Kouichi Hoshi, Hiroki Matsuoka, Michihiro Ohashi +7 more | 1991-02-12 |
| 4981122 | Fuel injection control device of an engine | Kouichi Osawa, Hiroshi Kanai, Kouichi Hoshi, Hiroki Matsuoka, Michihiro Ohashi +1 more | 1991-01-01 |
| 4976242 | Fuel injection control device of an engine | Kouichi Osawa, Hiroshi Kanai, Kouichi Hoshi, Hiroki Matsuoka, Michihiro Ohashi +1 more | 1990-12-11 |
| 4949693 | Fuel injection control device of an engine | — | 1990-08-21 |
| 4915078 | Fuel injection control device of an internal combustion engine | Kouichi Osawa | 1990-04-10 |