Issued Patents 2021
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149753 | Hydraulic energy recovery apparatus for working machine | Seiji Hijikata, Masatoshi Hoshino, Yuichi Ogawa, Kouji Ishikawa | 2021-10-19 |
| 11111650 | Hydraulic drive system for construction machine | Taihei Maehara, Takeshi Ishii, Yoshifumi Takebayashi, Natsuki Nakamura, Daisuke Oka | 2021-09-07 |
| 11105070 | Hydraulic work machine | Masatoshi Hoshino, Seiji Hijikata | 2021-08-31 |
| 10995474 | Construction machine | Taihei Maehara, Takeshi Ishii | 2021-05-04 |
| 10995475 | Construction machine | Seiji Hijikata, Yasutaka Tsuruga, Kouji Ishikawa, Masatoshi Hoshino | 2021-05-04 |
| 10947702 | Hydraulic drive system for electrically driven hydraulic work machine | Takeshi Ishii, Taihei Maehara | 2021-03-16 |