Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5501585 | Oil pump having a sealing mechanism for a pumping chamber | Hideki Nakayoshi | 1996-03-26 |
TO
Tetsuyuki Ogawa
Overall (All Time): #3,738,931 of 4,157,543Top 90%
1
Patents All Time