Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4712532 | Crankcase emission control system for an internal combustion engine | Syouzabu Ura, Makoto Yasuda | 1987-12-15 |
YO
Yoshitaka Ooki
Overall (All Time): #3,987,115 of 4,157,543Top 100%
1
Patents All Time