Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886142 | Hydraulic four-wheel drive system | Kojiro Yamaoka, Toshiro Azuma, Kazuhiko Yano | 1989-12-12 |
| 4866936 | Two-stage flow divider with pressure-relief valves in each stage to regulate flow in hydraulic system for working vehicles | Masahisa Kawamura, Jiro Shibata | 1989-09-19 |
| 4856277 | Two-stage flow divider with constant orifice first stage in hydraulic system for working vehicles | Masahisa Kawamura, Jiro Shibata | 1989-08-15 |
| 4856368 | HST (hydrostatic transmission) containing axle drive apparatus | Koichiro Fujisaki, Shusuke Nemoto | 1989-08-15 |