Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4430857 | Exhaust gas cleaning system for a V-type internal combustion engine | Yasuo Ikenoya | 1984-02-14 |
YS
Youzi Simizu
Overall (All Time): #4,029,388 of 4,157,543Top 100%
1
Patents All Time