Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10975764 | Opposed-piston internal combustion engine | — | 2021-04-13 |
| 10514081 | Balance device for internal combustion engine | Takanobu Arai, Nobuki Kawamoto | 2019-12-24 |
| 9309816 | Variable compression ratio V-type internal combustion engine | Manabu Tateno, Naoto Hisaminato | 2016-04-12 |
| 9032919 | Spark ignition type internal combustion engine | Naoto Hisaminato, Manabu Tateno | 2015-05-19 |
| 8985070 | Variable compression ratio V-type internal combustion engine | Manabu Tateno, Naoto Hisaminato | 2015-03-24 |
| 8869772 | Engine control apparatus | Naoto Hisaminato, Manabu Tateno | 2014-10-28 |
| 8807100 | Engine | — | 2014-08-19 |
| 8695544 | High expansion ratio internal combustion engine | Daisaku Sawada, Takashi Kawasaki, Yukihiro Nakasaka, Daisuke Akihisa, Naoto Hisaminato | 2014-04-15 |
| 8671896 | Variable compression ratio V-type internal combustion engine | Naoto Hisaminato, Manabu Tateno | 2014-03-18 |
| 8646419 | Control apparatus for internal combustion engine | Daisuke Akihisa | 2014-02-11 |
| 8555832 | Spark-ignited internal combustion engine and method of controlling the same | Daisuke Akihisa | 2013-10-15 |
| 8496871 | Silica structure and method of producing the same, and heat insulating material | Narihito Tatsuda, Kazuhisa Yano, Takashi Sasajima, Daisaku Sawada | 2013-07-30 |
| 8413618 | Spark ignition type internal combustion engine | Daisuke Akihisa, Daisaku Sawada | 2013-04-09 |
| 8356582 | Spark ignition type internal combustion engine | Daisuke Akihisa, Daisaku Sawada | 2013-01-22 |
| 8352157 | Spark ignition type internal combustion engine | Daisuke Akihisa, Yukihiro Nakasaka, Daisaku Sawada | 2013-01-08 |
| 8347834 | Spark-ignited internal combustion engine and method of controlling the same | Daisuke Akihisa | 2013-01-08 |
| 8342143 | Spark ignition type internal combustion engine | Mamoru Yoshioka, Daisuke Akihisa, Yukihiro Nakasaka | 2013-01-01 |
| 8322315 | Spark ignition type internal combustion engine | Daisuke Akihisa, Yukihiro Nakasaka, Daisaku Sawada | 2012-12-04 |
| 8302569 | Spark-ignited internal combustion engine and method of controlling the same | Daisuke Akihisa | 2012-11-06 |
| 8234054 | Method of operating a spark ignition type internal combustion engine | Yukihiro Nakasaka, Daisaku Sawada, Daisuke Akihisa | 2012-07-31 |
| 8161940 | Spark ignition type internal combustion engine | Naoto Hisaminato, Daisuke Akihisa, Yukihiro Nakasaka | 2012-04-24 |
| 8136489 | Variable compression ratio internal combustion engine | Daisuke Akihisa | 2012-03-20 |
| 8122860 | Variable compression ratio internal combustion engine | Masaaki Kashiwa | 2012-02-28 |
| 8109243 | Spark ignition type internal combustion engine | Daisuke Akihisa | 2012-02-07 |
| 8011332 | Spark ignition type internal combustion engine | Daisaku Sawada, Yukihiro Nakasaka, Daisuke Akihisa | 2011-09-06 |