Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5477455 | Turning control system for use in a track-laying vehicle | Ryoichi Maruyama, Hideki Yamada | 1995-12-19 |
| 5477454 | Turning system for use in a track-laying vehicle | Ryoichi Maruyama, Hideki Yamada | 1995-12-19 |
| 5473541 | Steering control system for use in a track-laying vehicle | Ryoichi Maruyama, Hideki Yamada | 1995-12-05 |
| 5466197 | Mechanical-hydraulic transmission | Hiroyuki Mitsuya, Hideki Yamada, Ryoichi Maruyama | 1995-11-14 |
| 5461869 | Vuilleumier heat pump device | Masahiro Kitamoto | 1995-10-31 |
| 5435140 | Vuilleumier heat pump device | Fumikazu Taniguchi, Yoshikatsu Hiratsuka, Masahiro Kitamoto | 1995-07-25 |
| 5406793 | Transmission and control mechanism for hydrostatic-mechanical power transmission system | Ryoichi Maruyama, Hideki Yamada | 1995-04-18 |
| 5113723 | Clutch changeover circuit for non-stage transmission | Ryoichi Maruyama | 1992-05-19 |
| 5069087 | Clutch changeover circuit for non-stage transmission | Ryoichi Maruyama | 1991-12-03 |
| 4699239 | Driving control device of a crawler type tractor | Hideo Omatsu, Takao Shiraishi, Hideaki Kawakami | 1987-10-13 |