Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844796 | Gas engine drive system and method of controlling gas engine | Tomoaki Kizuka, Yosuke Nonaka, Hiroyoshi Ishii, Shigeharu Fujihara, Towa Hirayama | 2020-11-24 |
| 10724495 | Gas engine system | Towa Hirayama, Hidekazu Iwasaki, Hiroyoshi Ishii, Yosuke Nonaka, Tomoaki Kizuka +1 more | 2020-07-28 |
| 10487727 | Method of controlling gas engine | Yosuke Nonaka, Tomoaki Kizuka, Shigeharu Fujihara, Towa Hirayama, Hiroyoshi Ishii | 2019-11-26 |
| 10480426 | Method of controlling gas engine and gas engine drive system | Tomoaki Kizuka, Yosuke Nonaka, Hiroyoshi Ishii, Shigeharu Fujihara, Towa Hirayama | 2019-11-19 |
| 10480445 | Gas engine drive system | Yosuke Nonaka, Tomoaki Kizuka, Shigeharu Fujihara, Towa Hirayama, Hiroyoshi Ishii | 2019-11-19 |