Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10301793 | Hydraulic drive system for work machine | Seiji Hijikata, Kouji Ishikawa, Shinya Imura | 2019-05-28 |
| 10280593 | Hydraulic fluid energy regeneration device for work machine | Seiji Hijikata, Kouji Ishikawa, Shinya Imura | 2019-05-07 |
| 10221871 | Construction machinery | Shinya Imura, Hidetoshi Satake, Kouji Ishikawa, Seiji Hijikata, Shinji Nishikawa | 2019-03-05 |
| 10184228 | Hydraulic driving device of work machine | Masamichi Ito, Kiwamu Takahashi | 2019-01-22 |