Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4697498 | Direction control valve fitted with a flow control mechanism | Seiji Yoshikawa, Isao Sato, Mitsuhiro Amazaki | 1987-10-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4697498 | Direction control valve fitted with a flow control mechanism | Seiji Yoshikawa, Isao Sato, Mitsuhiro Amazaki | 1987-10-06 |