Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12168857 | Excavator and method of controlling excavator | Wataru Sumino, Yuuki Yokoyama, Masatoshi Ikeda | 2024-12-17 |
| 12084837 | Hydraulic system of excavator, excavator, and method for controlling excavator | Wataru Sumino, Yuichi Hishinuma | 2024-09-10 |
| 11927205 | Hydraulic system | Yuichi Hishinuma | 2024-03-12 |
| 10422437 | Spool valve, operation device, and work vehicle | Satoshi Ishikawa, Tomonobu Shioyasu, Hirokazu Endoh, Masayuki Tajima, Masayuki Hosaka | 2019-09-24 |
| 6922989 | Plural pressure oil energies selective recovery apparatus and selective recovery method therefor | Kazuhiro Maruta, Nobumi Yoshida | 2005-08-02 |
| 6666023 | Fluid pressure transmitting apparatus | Toshio Ozawa, Norihide Mizoguchi | 2003-12-23 |
| 6564549 | Displacement control device for hydraulic pump and brake control device for hydraulic motor | Seita Hayashi | 2003-05-20 |
| 6561751 | Actuator control device and bucket posture control device for hydraulic drive machine | Naoki Ishizaki, Shuuji Hori | 2003-05-13 |
| 6530390 | Pressure reducing valve | Shuuji Hori | 2003-03-11 |