Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12158119 | Engine system and gas fuel combustion method | Yusuke Honda | 2024-12-03 |
| 11840978 | Engine system and gas fuel combustion method | Yusuke Honda | 2023-12-12 |
| 11428177 | Engine device | Ryoichi Hagiwara, Masayoshi Doi, Taishi Murakami, Tatsuro Ohsara, Osamu Yamagishi | 2022-08-30 |
| 11111866 | Engine device | Ryoichi Hagiwara, Masayoshi Doi, Taishi Murakami, Tatsuro Ohsara, Osamu Yamagishi | 2021-09-07 |
| 10690069 | Engine device | Ryoichi Hagiwara, Masayoshi Doi, Taishi Murakami, Tatsuro Ohsara, Osamu Yamagishi | 2020-06-23 |
| 9407070 | Ignition system and ignition plug that reduces the required voltage to sustain an engine, while improving ignition performance and combustability | Toru Takemoto, Ryoichi Hagiwara, Masahiro Furutani | 2016-08-02 |