Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10604913 | Control system, work machine, and control method | Yuta Kamoshita, Tadashi Kawaguchi, Kenji Oshima | 2020-03-31 |
| 10407865 | Control system, work machine, and control method | Yuta Kamoshita, Tadashi Kawaguchi, Kenji Oshima | 2019-09-10 |
| 10385545 | Control system, work machine, and control method | Yuta Kamoshita, Tadashi Kawaguchi | 2019-08-20 |
| 10344781 | Control system, work machine, and control method | Yuta Kamoshita, Tadashi Kawaguchi, Kenji Oshima, Koji Saito, Noboru Iida | 2019-07-09 |
| 10017917 | Drive device of construction machine | Tadashi Kawaguchi, Koji Saito, Takayuki Watanabe, Noboru Iida | 2018-07-10 |
| 9845814 | Hydraulic drive system | Noboru Iida, Koji Saito, Takayuki Watanabe, Kenji Sasano | 2017-12-19 |
| 9810246 | Hydraulic drive system | Noboru Iida, Kenji Oshima, Koji Saito | 2017-11-07 |
| 9790966 | Hydraulic drive system | Noboru Iida, Koji Saito, Koji Yamashita | 2017-10-17 |
| 9709076 | Hydraulic drive system | Noboru Iida, Kenji Oshima, Kenji Sasano | 2017-07-18 |
| 9695842 | Hydraulic drive system | Noboru Iida, Koji Saito, Takayuki Watanabe | 2017-07-04 |
| 9683585 | Hydraulic drive system | Noboru Iida, Koji Saito, Takayuki Watanabe, Koji Yamashita | 2017-06-20 |
| 9328480 | Hydraulic excavator | Noboru Iida, Kenji Oshima, Kenji Sasano | 2016-05-03 |
| 9127439 | Engine control device | Takeshi Ooi, Masashi Ichihara, Hisashi Asada | 2015-09-08 |
| 9022749 | Swing drive controlling system for construction machine | Hisashi Asada, Jin Kitajima, Kazuhiro Maruta, Takeshi Ooi, Masashi Ichihara | 2015-05-05 |
| 9002590 | Engine control device and engine control method | Hisashi Asada, Takeshi Ooi | 2015-04-07 |
| 8701401 | Engine control device | Takeshi Ooi, Masashi Ichihara | 2014-04-22 |
| 8640451 | Engine control device, and its control method | Hisashi Asada | 2014-02-04 |
| 6311488 | Cooling fan drive apparatus | Kazuhiro Maruta, Nobumi Yoshida | 2001-11-06 |
| 5666808 | Operating valve assembly with pressure compensation valve | Koji Yamashita, Kouji Saito, Shinichi Shinozaki | 1997-09-16 |
| 5622206 | Multiple valve unit for pressurized fluid supply system | Masamitsu Takeuchi, Kazunori Ikei, Tadao Karakama, Mitsumasa Akashi, Jun Maruyama +1 more | 1997-04-22 |
| 5602938 | Method of generating dictionary for pattern recognition and pattern recognition method using the same | Minako Sawaki, Takahiko Kawatani | 1997-02-11 |
| 5535663 | Operating valve assembly with pressure compensation valve | Koji Yamashita, Kouji Saito, Shinichi Shinozaki | 1996-07-16 |
| 5533334 | Pressurized fluid supply system | Masamitsu Takeuchi, Kazunori Ikei, Tadao Karakama, Mitsumasa Akashi, Jun Maruyama +1 more | 1996-07-09 |
| 5481872 | Hydraulic circuit for operating plural actuators and its pressure compensating valve and maximum load pressure detector | Tadao Karakama, Kouji Yamashita, Naoki Ishizaki | 1996-01-09 |
| 5409038 | Hydraulic circuit including pressure compensating valve | Nobumi Yoshida, Tadao Karakama | 1995-04-25 |