Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881428 | Throttle valve control apparatus for internal combustion engine | Yoshikazu Ishikawa, Kouji Yamaguchi | 1989-11-21 |
KS
Kouji Sasajima
Overall (1989): #85,978 of 140,708Top 65%
1
Patents 1989