Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297763 | Engine device | Yoshiyuki Sandou, Hiroaki Naganawa | 2025-05-13 |
| 11643960 | Engine device | Yoshiyuki Sandou, Hiroaki Naganawa | 2023-05-09 |
| 11492955 | Engine | Hiroaki Naganawa, Takayuki Onodera | 2022-11-08 |
| 11092056 | Engine device | Yoshiyuki Sandou, Hiroaki Naganawa | 2021-08-17 |
| 10690034 | Engine device | Yoshiyuki Sandou, Hiroaki Naganawa | 2020-06-23 |