Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5755565 | Rotary pump having reinforcing wall in a passage | Takao Koyama | 1998-05-26 |
MS
Masaki Simakura
Overall (All Time): #3,684,851 of 4,157,543Top 90%
1
Patents All Time