Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4947890 | Flow control valve with dirt protection | Mamoru Sumida, Takeji Yoshida, Osamu Matsumoto | 1990-08-14 |
HF
Hironobu Fukata
Overall (All Time): #3,909,076 of 4,157,543Top 95%
1
Patents All Time