Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9803601 | Diesel engine | Naohiro Hasegawa, Naotsugu Kanai, Yuichi Kawaai, Yutaka Mashima | 2017-10-31 |
| 9593649 | Engine | Naohiro Hasegawa, Takeshi Sakai, Yuichi Kawaai | 2017-03-14 |