Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10227914 | Engine device | Toshiaki Nakagawa, Yuuya Hanada, Shunji Hamaoka | 2019-03-12 |
| 10047664 | Engine | Fumihiro Nishiura, Shunji Hamaoka, Fumiya Kotou, Yuuya Hanada | 2018-08-14 |