Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4924823 | Six stroke internal combustion engine | Yasuo Ikenoya | 1990-05-15 |
YO
Yukihiro OGURA
Overall (All Time): #3,902,675 of 4,157,543Top 95%
1
Patents All Time