Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5233950 | Valve operating system for internal combustion engine | Atsushi Umemoto, Kazuji Ono, Iwao Kadota | 1993-08-10 |
KB
Kiwamu Bushimata
Overall (All Time): #3,830,232 of 4,157,543Top 95%
1
Patents All Time