Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863337 | Control system for working machine having boom | Toshio Ishiguro, Tuyoshi Aoki | 1989-09-05 |
| 4773302 | Control apparatus and proportional solenoid valve control circuit for boom-equipped working implement | Eriya Harada | 1988-09-27 |