Issued Patents 2019
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10436229 | Hydraulic drive system for work machine | Kouji Ishikawa, Shinya Imura | 2019-10-08 |
| 10364550 | Hydraulic drive system of work machine | Hiroaki AMANO, Kouji Ishikawa, Shinya Imura, Hidekazu Moriki, Ryohei Yamashita | 2019-07-30 |
| 10344458 | Hydraulic Drive System for work machine | Kouji Ishikawa, Shinya Imura | 2019-07-09 |
| 10329739 | Construction machine | Masatoshi Hoshino, Yasutaka Tsuruga, Kiwamu Takahashi | 2019-06-25 |
| 10301793 | Hydraulic drive system for work machine | Kouji Ishikawa, Takatoshi Ooki, Shinya Imura | 2019-05-28 |
| 10280594 | Hydraulic energy regeneration system for work machine | Kouji Ishikawa, Shinya Imura | 2019-05-07 |
| 10280593 | Hydraulic fluid energy regeneration device for work machine | Kouji Ishikawa, Takatoshi Ooki, Shinya Imura | 2019-05-07 |
| 10273658 | Construction machine | Kouji Ishikawa, Yasutaka Tsuruga, Masatoshi Hoshino, Kiwamu Takahashi | 2019-04-30 |
| 10227997 | Hydraulic drive system for work machine | Kouji Ishikawa, Shinya Imura | 2019-03-12 |
| 10221871 | Construction machinery | Shinya Imura, Hidetoshi Satake, Kouji Ishikawa, Takatoshi Ooki, Shinji Nishikawa | 2019-03-05 |