Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11293163 | Hydraulic drive device for excavation work machines | Satoshi Maekawa, Akira Tsutsui, Sho FUJIWARA | 2022-04-05 |
| 11286644 | Hydraulic actuator for excavation work machine | Satoshi Maekawa, Sho FUJIWARA | 2022-03-29 |