Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5161373 | Hydraulic control valve system | Yusuke Kajita, Genroku Sugiyama | 1992-11-10 |
| 5161575 | Direction selector valve having load-sensing function | Kiyoshi Oyama, Toichi Hirata, Yusuke Kajita, Genroku Sugiyama | 1992-11-10 |
| 5025625 | Commonly housed directional and pressure compensation valves for load sensing control system | — | 1991-06-25 |