Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6244831 | Control device for variable displacement pump | Sachio Kawabata, Ryuji Sakai | 2001-06-12 |
| 6186748 | Axial piston pump | Tokihiko Umeda, Sachio Kawabata, Ryuji Sakai | 2001-02-13 |