Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10260431 | Control device and control method for variable valve actuation mechanism | Fumito Takimoto | 2019-04-16 |
| 10072593 | Control device of internal combustion engine | Masahide Okada, Masashi Hakariya, Yoshifumi Matsuda, Yoshihisa Oda, Hiroaki Tsuji +3 more | 2018-09-11 |
| 9752523 | Air-fuel ratio control apparatus for internal combustion engine | Yuya Yoshikawa, Isao Nakajima, Hiroaki Tsuji, Toshihiro Kato, Yoshihisa Oda +3 more | 2017-09-05 |
| 9341544 | Abnormality detecting device of internal combustion engine | Isao Nakajima, Yoshifumi Matsuda, Yoshihisa Oda, Masashi Hakariya, Masahide Okada +4 more | 2016-05-17 |
| 9206754 | Control device of internal combustion engine | Toshihiro Kato, Yoshifumi Matsuda, Yoshihisa Oda, Masashi Hakariya, Masahide Okada +3 more | 2015-12-08 |
| 8833150 | Apparatus and method for detecting abnormality of imbalance of air-fuel ratios among cylinders | Takashi Yui, Kota Hayashi | 2014-09-16 |
| 8620562 | Variable valve system control apparatus | Kota Hayashi, Fumito Takimoto | 2013-12-31 |
| 8050850 | Control apparatus and control method for internal combustion engine | Naohide Fuwa, Seiko Tamada, Hiroyuki Kanemoto | 2011-11-01 |
| 7730860 | Actuator control apparatus and method | — | 2010-06-08 |
| 7409929 | Cooling apparatus for internal combustion engine | Hideki Miyahara | 2008-08-12 |
| 7325447 | Cooling apparatus for internal combustion engine and diagnosis method for the cooling apparatus | Hideki Miyahara | 2008-02-05 |
| 7284530 | Leak detector for fuel vapor purge system | Kenji Nagasaki, Hideki Miyahara | 2007-10-23 |
| 7165446 | Failure diagnostic apparatus for fuel vapor purge system and fuel vapor purge apparatus and combustion engine having failure diagnostic apparatus | Hideki Miyahara, Kenji Nagasaki | 2007-01-23 |
| 7165447 | Failure diagnostic apparatus for fuel vapor purge system and fuel vapor purge apparatus and combustion engine having failure diagnostic apparatus | Hideki Miyahara, Kenji Nagasaki | 2007-01-23 |
| 7104046 | Controller for an internal combustion engine | Akihiro Katayama | 2006-09-12 |
| 7073321 | Controller for internal combustion engine | Akihiro Katayama | 2006-07-11 |
| 6848298 | Apparatus and method for failure diagnosis of fuel vapor purge system | Hideki Miyahara, Shuichi Hanai, Akira Ichikawa, Kenji Nagasaki | 2005-02-01 |
| 6820471 | Engine system diagnosing apparatus and method | — | 2004-11-23 |
| 6722348 | Abnormality detecting apparatus for fuel vapor treating system and method for controlling the apparatus | Kenji Nagasaki, Masao Kano, Yasuo Kato, Hideki Miyahara | 2004-04-20 |
| 6698280 | Failure test apparatus for fuel-vapor purging system | Noriyuki Iden, Yuichi Kohara, Shuichi Hanai, Shin Adachi | 2004-03-02 |
| 6634219 | Abnormality testing apparatus for engine system | — | 2003-10-21 |
| 6606551 | Malfunction determining apparatus of engine system | — | 2003-08-12 |
| 6564780 | Diagnostic apparatus and method for fuel vapor purge system | Shuichi Hanai, Noriyuki Iden | 2003-05-20 |
| 6557401 | Method and apparatus for detecting abnormalities in fuel systems | — | 2003-05-06 |
| 6519524 | Apparatus and method for monitoring start of engine | — | 2003-02-11 |