Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4628690 | Fluid circuit for operating a bidirectional hydraulic motor with a reduced shock | Mitsuru Arai, Shoichiro Inatomi | 1986-12-16 |
| 4520625 | Hydraulic brake valve system | Nobuaki Inaba, Mitsuru Arai, Michio Onzou | 1985-06-04 |
| 4449366 | Hydraulic control system for off-highway self-propelled work machines | Mitsuru Arai | 1984-05-22 |
| 4372335 | Flow divider valve assembly | Nobuaki Inaba, Shigeru Shinohara | 1983-02-08 |