Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4644334 | Monitoring apparatus for a construction machine | Yoshio Tsutsumi | 1987-02-17 |
| 4516469 | Electric hydraulic controll device for a construction vehicle | Yoshito Sato, Hidemi Maeo, Yoshio Tsutsumi | 1985-05-14 |
| 4386688 | Vehicle speed responsive brake and decelerator controls | Yoshito Sato | 1983-06-07 |