Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9410884 | Component measurement device | Takashi Morita, Yasushi Nagasawa, Masami Murayama, Yoshio Nagaoka | 2016-08-09 |
| 5285642 | Load sensing control system for hydraulic machine | Hiroshi Watanabe, Yasuo Tanaka, Hiroshi Onoue, Shigetaka Nakamura | 1994-02-15 |
| 5177964 | Hydraulic drive traveling system | Hideaki Tanaka, Toichi Hirata, Genroku Sugiyama, Hitoshi Kagiwada, Tomohiko Yasuoka +2 more | 1993-01-12 |
| 5170625 | Control system for hydraulic pump | Hiroshi Watanabe, Yasuo Tanaka, Hiroshi Onoue, Shigetaka Nakamura | 1992-12-15 |
| 5155996 | Hydraulic drive system for construction machine | Akira Tatsumi, Toichi Hirata, Masakazu Haga | 1992-10-20 |
| 5129230 | Control system for load sensing hydraulic drive circuit | Hiroshi Watanabe | 1992-07-14 |
| 5085128 | Variable displacement bent axis type hydraulic machine | Shigetaka Nakamura, Yasuharu Gotoh | 1992-02-04 |
| 5056312 | Hydraulic drive system for construction machines | Toichi Hirata, Genroku Sugiyama, Yusuke Kajita, Yukio Aoyagi, Tomohiko Yasudi +5 more | 1991-10-15 |
| 4967557 | Control system for load-sensing hydraulic drive circuit | Yasuo Tanaka, Hiroshi Watanabe, Kuniaki Yoshida, Toichi Hirata | 1990-11-06 |
| 4945723 | Flow control valves for hydraulic motor system | Toichi Hirata, Yusaku Nozawa, Masahiko Shimotori | 1990-08-07 |
| 4809504 | Control system for controlling input power to variable displacement hydraulic pumps of a hydraulic system | Yasuo Tanaka, Hiroshi Watanabe, Shigetaka Nakamura | 1989-03-07 |
| 4606313 | Method of and system for controlling hydraulic power system | Hiroshi Watanabe, Yukio Aoyagi, Kazuo Honma, Kichio Nakajima | 1986-08-19 |
| 4587808 | Control system for hydraulic circuit means | Hiroshi Watanabe, Yukio Aoyagi, Kazuo Honma, Kichio Nakajima | 1986-05-13 |
| 4586330 | Control system for hydraulic circuit apparatus | Hiroshi Watanabe, Yukio Aoyagi, Kazuo Honma, Kichio Nakajima | 1986-05-06 |
| 4571941 | Hydraulic power system | Yukio Aoyagi, Sotaro Tanaka, Takeshi Yamaguchi | 1986-02-25 |
| 4565221 | Control valve assembly | Kunihiko Yoshida, Shuichi Ichiyama | 1986-01-21 |
| 4561250 | Hydraulic drive system having a plurality of prime movers | Yukio Aoyagi, Takeshi Yamaguchi, Sotaro Tanaka | 1985-12-31 |
| 4561249 | Control system for hydraulic circuit apparatus | Hiroshi Watanabe, Yukio Aoyagi, Kazuo Honma, Kichio Nakajima | 1985-12-31 |
| 4558593 | Failure detection system for hydraulic pumps | Hiroshi Watanabe | 1985-12-17 |
| 4531369 | Flushing valve system in closed circuit hydrostatic power transmission | Hiroshi Watanabe, Yukio Aoyagi, Kazuo Honma, Kichio Nakajima | 1985-07-30 |
| 4528813 | Control system for hydrostatic power transmission | Hiroshi Watanabe, Yukio Aoyagi, Kazuo Honma, Kichio Nakajima | 1985-07-16 |
| 4520626 | Hydraulic drive system for single rod cylinder | Kichio Nakajima, Hiroshi Watanabe, Yukio Aoyagi, Kazuo Honma | 1985-06-04 |
| 4510750 | Circuit pressure control system for hydrostatic power transmission | Hiroshi Watanabe, Yukio Aoyagi, Kazuo Honma, Kichio Nakajima | 1985-04-16 |
| 4489552 | Automatic neutral point detecting system for hydraulic pump | Hiroshi Watanabe | 1984-12-25 |
| 4489551 | Failure detection system for hydraulic pump | Hiroshi Watanabe | 1984-12-25 |