Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676107 | Direct injection diesel engine | Shunji Masuda, Masaaki Kashimoto, Manabu Shibakawa | 1997-10-14 |
| 5603299 | Intake port structure and method of determining details thereof | Manabu Shibakawa | 1997-02-18 |