Issued Patents 1997
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 (1997): #185,501 of 185,788Top 100%
1
Patents 1997