Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149753 | Hydraulic energy recovery apparatus for working machine | Kiwamu Takahashi, Masatoshi Hoshino, Yuichi Ogawa, Kouji Ishikawa | 2021-10-19 |
| 11105070 | Hydraulic work machine | Masatoshi Hoshino, Kiwamu Takahashi | 2021-08-31 |
| 10995475 | Construction machine | Yasutaka Tsuruga, Kouji Ishikawa, Kiwamu Takahashi, Masatoshi Hoshino | 2021-05-04 |
| 10907666 | Hydraulic drive system | Yasutaka Tsuruga, Kenji Hiraku, Kouji Ishikawa | 2021-02-02 |