Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5273014 | Intake system for engine | Noriaki Mitobe, Masaki Harada, Kouichirou Waki, Takuro Shigemura, Isao Shimizu +3 more | 1993-12-28 |
| 4831978 | Internal combustion engine having reinforced structure | Hirofumi Ohshima, Hiroaki Deguchi, Tsuyoshi Tsuchida | 1989-05-23 |