Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5839885 | Capacity control apparatus for a variable capacity hydraulic pump | Kenji Morino, Naoki Ishizaki | 1998-11-24 |
| 5697764 | Displacement control system for variable displacement hydraulic pump | Kiyoshi Shirai | 1997-12-16 |
| 5344288 | Device for controlling displacement of variable displacement hydraulic pump | — | 1994-09-06 |
| 5056415 | Pilot operated control valve system performing a support function | Tadao Karakama, Naoki Ishizaki | 1991-10-15 |
| 5046400 | Control valve system | Tadao Karakama, Naoki Ishizaki | 1991-09-10 |
| 5040565 | Pilot operated control valve system | Tadao Karakama, Naoki Ishizaki | 1991-08-20 |