Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4437305 | Exhaust gas cleaning system for internal combustion engines | Yasuo Ikenoya, Masafumi Araki | 1984-03-20 |
YS
Yozi Shimizu
Overall (All Time): #4,031,195 of 4,157,543Top 100%
1
Patents All Time