Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297789 | Engine control device, engine control method, and program | Naoki Hashimoto, Ko Takayanagi, Masataka Shiraishi, Yosuke Kitamura, Yuki Koyama | 2025-05-13 |
| 12241224 | Power-operated construction machine | Seiichi Kihara, Kiwamu Takahashi | 2025-03-04 |
| 11300039 | Precombustion chamber gas engine | Masahiro Kashiwagi, Daigo Watanabe | 2022-04-12 |
| 11085361 | Precombustion chamber gas engine | Daisuke Takemoto, Akihiro Yuuki, Shunya Sasaki, Kazuo Ogura | 2021-08-10 |
| 10865719 | Knocking detection method, ignition timing control method, and ignition timing control system | Akihiro Yuuki, Daisuke Takemoto | 2020-12-15 |
| 10690044 | Engine system | Kazuro Hotta, Kazuo Ogura | 2020-06-23 |
| 10619606 | Internal combustion engine | Daisuke Takemoto, Akihiro Yuuki, Tatsuo Ishiguro, Kazuo Ogura, Shinnosuke Osafune | 2020-04-14 |
| 10316733 | Precombustion-chamber engine | Daisuke Takemoto, Akihiro Yuuki, Shunya Sasaki, Kazuo Ogura | 2019-06-11 |
| 10077708 | Gas engine and assembling method for gas engine | — | 2018-09-18 |
| 9816430 | Pre-combustion-chamber type gas engine | Akihiro Yuuki, Daisuke Takemoto | 2017-11-14 |
| 9581119 | Auxiliary chamber gas supplying device for gas engine | Kiyoshi Terakado, Hiroshi Yoshizumi | 2017-02-28 |
| 9234458 | Installation device for instrumentation device of stationary engine | Hideaki Okumura, Kimihiko Maehata | 2016-01-12 |
| 9091222 | Control method of precombustion chamber type engine | — | 2015-07-28 |
| 9080531 | Cylinder structure for internal combustion engine | Hideaki Okumura, Kimihiko Maehata | 2015-07-14 |
| 8991172 | Control device of premix combustion engine | Yuuichi Shimizu | 2015-03-31 |