Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866936 | Two-stage flow divider with pressure-relief valves in each stage to regulate flow in hydraulic system for working vehicles | Ryota Ohashi, Jiro Shibata | 1989-09-19 |
| 4856277 | Two-stage flow divider with constant orifice first stage in hydraulic system for working vehicles | Ryota Ohashi, Jiro Shibata | 1989-08-15 |