Issued Patents All Time
Showing 1–25 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8165784 | Apparatus and method for learning reference position of variable valve unit | Naoki Okamoto, Masahiro Arai, Takahiro Yoshino | 2012-04-24 |
| 7513229 | Apparatus for and method of controlling variable valve mechanism | Ryo Miyakoshi, Kenichi Machida, Takahiro Yoshino, Masahiro Arai | 2009-04-07 |
| 7493890 | Engine control device and control method | Takeshi Etou | 2009-02-24 |
| 7489999 | Control apparatus and control method for variable valve apparatus | Ryo Miyakoshi, Kentaro Mikawa, Masahiro Arai, Takahiro Yoshino | 2009-02-10 |
| 7255089 | Engine control device and control method | Takeshi Etou | 2007-08-14 |
| 7222606 | Ignition timing control for internal combustion engine | Takahiro Yoshino, Yuji Sasaki | 2007-05-29 |
| 7212909 | Ignition timing control for internal combustion engine | Takahiro Yoshino, Yuji Sasaki | 2007-05-01 |
| 7209826 | Fuel properties estimation for internal combustion engine | Kazuhiko Abe, Takashi Nakazawa | 2007-04-24 |
| 7107140 | Internal combustion engine control apparatus | Takahiro Yoshino, Masahiro Arai, Shunichi Yoshikawa, Mitsuhiko Kubota | 2006-09-12 |
| 7092813 | Fuel injection control of engine | Kazuhiko Abe | 2006-08-15 |
| 7025041 | Cylinder intake air quantity determination device | Kazuhiko Abe | 2006-04-11 |
| 7021298 | Internal EGR parameter estimating device for internal combustion engine | Takashi Nakazawa, Takahisa Koseki, Takeshi Suzuki | 2006-04-04 |
| 7021286 | Ignition timing control for internal combustion engine | Takahiro Yoshino, Yuji Sasaki | 2006-04-04 |
| 6990936 | System and method for controlling intake air by variable valve timing | Masahiro Arai | 2006-01-31 |
| 6990968 | Engine fuel injection amount control device | Takashi Nakazawa, Kazuhiko Abe, Yuji Sasaki | 2006-01-31 |
| 6975933 | Fuel properties estimation for internal combustion engine | Kazuhiko Abe, Takashi Nakazawa | 2005-12-13 |
| 6966304 | Estimation of oil-diluting fuel quantity of engine | Takashi Nakazawa, Kazuhiko Abe | 2005-11-22 |
| 6947827 | Engine idle stop control system for vehicles | Toru Fuse, Takashi Nakazawa | 2005-09-20 |
| 6856889 | Engine fuel injection control | Takahiro Yoshino | 2005-02-15 |
| 6851411 | Knocking index value calculation device and calculation method thereof | Takashi Nakazawa, Takeshi Etou, Takahisa Koseki | 2005-02-08 |
| 6840235 | Internal exhaust gas recirculation amount estimation system of internal combustion engines | Takahisa Koseki, Youichi Oshimi | 2005-01-11 |
| 6810859 | Control system of internal combustion engine with output correcting means of thermal type air flow sensor | Yoshihiko Akagi, Hiroshi Hirayama, Takuto Okamoto, Kazuhiko Miya, Tetsuya Iwasaki | 2004-11-02 |
| 6741924 | Apparatus and method for engine cylinder intake air quantity calculation | Tetsuya Iwasaki, Yoshiaki Yoshioka | 2004-05-25 |
| 6619245 | Failsafe control system and method for an electromagnetically driven valve | Keisuke Fujiwara | 2003-09-16 |
| 6553964 | Coordinated valve timing and throttle control for controlling intake air | Masahiro Arai | 2003-04-29 |