Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859161 | Gear pump | Masaru Yano | 1989-08-22 |
| 4334840 | Gear pump or motor with serrated grooves on inner wall for break-in operation | — | 1982-06-15 |
| 4281974 | Seal mechanism in gear pumps or motors | — | 1981-08-04 |
| 4265602 | Gear pump with low pressure shaft lubrication | — | 1981-05-05 |
| 4259045 | Gear pump or motor units with sleeve coupling for shafts | — | 1981-03-31 |