Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773837 | Screw pump | Hitoshi Tsuihiji, Yasuo Hirooka | 1988-09-27 |
AS
Atsushi Shimomura
Overall (All Time): #3,959,873 of 4,157,543Top 100%
1
Patents All Time