Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5022434 | Directional control valve | — | 1991-06-11 |
| 4489644 | Multiple control valves | Chiharu Matsunaga, Yutaka Hashimoto | 1984-12-25 |
| 4270567 | Control valve for use in hydraulic apparatus | — | 1981-06-02 |