Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10975778 | Control device for internal combustion engine | Yoshiyuki Yamashita, Hiroki Murata | 2021-04-13 |
| 10519822 | Internal combustion engine | — | 2019-12-31 |
| 10371687 | Air-fuel ratio detection device for internal combustion engine | — | 2019-08-06 |
| 10215108 | Control device and control method of internal combustion engine | — | 2019-02-26 |
| 10184413 | Control system of internal combustion engine | — | 2019-01-22 |
| 10125697 | Control system for internal combustion engine | — | 2018-11-13 |
| 9903293 | Diagnostic system for internal combustion engine | — | 2018-02-27 |
| 9482163 | Spark ignition type internal combustion engine | — | 2016-11-01 |
| 9441602 | Ignition timing control system for a spark ignition type internal combustion engine | — | 2016-09-13 |
| 9416722 | Control apparatus for internal combustion engine | — | 2016-08-16 |
| 9303615 | Ignition timing control device for an internal combustion engine | — | 2016-04-05 |
| 8818687 | Control apparatus of internal combustion engine | — | 2014-08-26 |
| 8789500 | Spark ignition type internal combustion engine | Takashi Kawasaki, Yoshihiro Sakayanagi, Hiroyuki Tanaka | 2014-07-29 |
| 8695544 | High expansion ratio internal combustion engine | Daisaku Sawada, Eiichi Kamiyama, Takashi Kawasaki, Daisuke Akihisa, Naoto Hisaminato | 2014-04-15 |
| 8656701 | Control device | Daisuke Akihisa, Koichi Kimura, Fumito Chiba, Rentaro Kuroki | 2014-02-25 |
| 8573166 | Spark ignition type internal combustion engine | Yoshihiro Sakayanagi, Hiroyuki Tanaka | 2013-11-05 |
| 8392095 | Spark ignition type internal combustion engine | — | 2013-03-05 |
| 8352157 | Spark ignition type internal combustion engine | Daisuke Akihisa, Eiichi Kamiyama, Daisaku Sawada | 2013-01-08 |
| 8342143 | Spark ignition type internal combustion engine | Mamoru Yoshioka, Daisuke Akihisa, Eiichi Kamiyama | 2013-01-01 |
| 8322315 | Spark ignition type internal combustion engine | Daisuke Akihisa, Eiichi Kamiyama, Daisaku Sawada | 2012-12-04 |
| 8234054 | Method of operating a spark ignition type internal combustion engine | Daisaku Sawada, Daisuke Akihisa, Eiichi Kamiyama | 2012-07-31 |
| 8185295 | Multi-cylinder engine | — | 2012-05-22 |
| 8161940 | Spark ignition type internal combustion engine | Naoto Hisaminato, Daisuke Akihisa, Eiichi Kamiyama | 2012-04-24 |
| 8011332 | Spark ignition type internal combustion engine | Daisaku Sawada, Daisuke Akihisa, Eiichi Kamiyama | 2011-09-06 |
| 7997241 | Spark ignition type internal combustion engine | Eiichi Kamiyama, Daisuke Akihisa | 2011-08-16 |