Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611309 | Throttle valve control system for internal combustion engines | Tetsuya Ono, Akira Katoh, Kenichiro Ishii | 1997-03-18 |
KK
Katsuhiro Kumagai
Overall (1997): #122,774 of 185,788Top 70%
1
Patents 1997