Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5651344 | Induction and injection system for multi-valve engine | Masato Nishigaki, Mamoru Yoneyama | 1997-07-29 |
HS
Humitoshi Sugiyama
Overall (All Time): #3,720,905 of 4,157,543Top 90%
1
Patents All Time