Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5438832 | Variable displacement pump with adjustment responsive to drive motor speed | Yoshitake Yonekubo, Hisato Naito, Yoshimi Hasegawa | 1995-08-08 |
| 5347811 | Load-sensing active hydraulic control device for multiple actuators | Yoshimi Hasegawa, Yoshitake Yonekubo, Hisato Naito, Hideshi Koiwai | 1994-09-20 |
| 4812802 | Joy stick | Hideomi Watanabe | 1989-03-14 |