Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10738687 | Engine | Masayoshi Doui | 2020-08-11 |
| 10690069 | Engine device | Ryoichi Hagiwara, Kazuteru TOSHINAGA, Masayoshi Doi, Tatsuro Ohsara, Osamu Yamagishi | 2020-06-23 |
| 10626809 | Engine device | Koichi Hirose, Tatsuro Ohsara | 2020-04-21 |