Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4750458 | Intake system for rotary piston engine | Sadashichi Yoshioka, Akihito Nagao | 1988-06-14 |
SK
Siso Kariyama
Overall (All Time): #3,953,541 of 4,157,543Top 100%
1
Patents All Time