| 6161522 |
Controller of engine and variable capacity pump |
Seiichi Fuchita, Junichi Tanaka |
2000-12-19 |
| 6010309 |
Control device for variable capacity pump |
Seiichi Fuchita, Junichi Tanaka |
2000-01-04 |
| 6006521 |
Control circuit for heavy machinery |
Seiichi Fuchita, Tomio Teranaka, Harushige Nishida, Kiyokazu Nakabo |
1999-12-28 |
| 5630317 |
Controller for hydraulic drive machine |
Tetsuya Nakayama, Shuki Akushichi |
1997-05-20 |
| 5520087 |
Control device for hydraulically operated machine |
Yoshinao Haraoka |
1996-05-28 |
| 5481875 |
Apparatus for changing and controlling volume of hydraulic oil in hydraulic excavator |
Yoshinao Haraoka |
1996-01-09 |
| 5469646 |
Fine operation mode changeover device for hydraulic excavator |
— |
1995-11-28 |
| 5365737 |
Hydraulically-operated equipment for construction machinery |
Yukio Moriya, Takeshi Kobayashi, Takumi Onoda, Toshio Yokoyama |
1994-11-22 |
| 5359517 |
Method and device for automating operation of construction machine |
Yukio Moriya, Takumi Onoda |
1994-10-25 |
| 5287699 |
Automatic vibration method and device for hydraulic drilling machine |
Takumi Onoda |
1994-02-22 |
| 5274557 |
Teaching and playback method for work machine |
Yukio Moriya, Toshio Yokoyama, Takumi Onoda |
1993-12-28 |
| 5148676 |
Confluence valve circuit of a hydraulic excavator |
Yukio Moriya, Toshio Yokoyama, Takumi Onoda |
1992-09-22 |