Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5507317 | Input apparatus | Yoshitake Yonekubo, Susumu Narita | 1996-04-16 |
| 5347811 | Load-sensing active hydraulic control device for multiple actuators | Yoshimi Hasegawa, Kenichi Nishiumi, Yoshitake Yonekubo, Hisato Naito | 1994-09-20 |
| 5348049 | Input apparatus | Yoshitake Yonekubo, Susumu Narita | 1994-09-20 |
| 5251534 | Input apparatus | Yoshitake Yonekubo, Susumu Narita | 1993-10-12 |
| 5168705 | Hydraulic drive system | Toichi Hirata, Hideaki Tanaka, Kazunori Nakamura, Yoneaki Takahashi | 1992-12-08 |
| 4858651 | Control valve for construction equipment | Keiji Sekikawa | 1989-08-22 |
| 4351356 | Pressure control valve | Shizuo Matsumura, Haruhiko Kawasaki | 1982-09-28 |
| 4289160 | Pressure control valve | Haruhiko Kawasaki, Shizuo Matsumura | 1981-09-15 |