Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4519274 | Automatic speed range change-over system for a hydro-mechanical transmission | Ryoichi Maruyama, Takayoshi Nishijima, Hideyuki Konishi, Keiji Hatayama | 1985-05-28 |
| 4519275 | Turning control system for a hydro-mechanical transmission | Ryoichi Maruyama, Takayoshi Nishijima, Hideyuki Konishi, Keiji Hatayama | 1985-05-28 |
| 4497223 | Engine speed control system for a hydro-mechanical transmission | Ryoichi Maruyama, Takayoshi Nishijima, Hideyuke Konishi, Keiji Hatayama | 1985-02-05 |