Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4971535 | Tandem rotary pump with pressure chamber between two intermediate side plates | Takahiko Okada, Hidetoshi Fujiwara | 1990-11-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4971535 | Tandem rotary pump with pressure chamber between two intermediate side plates | Takahiko Okada, Hidetoshi Fujiwara | 1990-11-20 |