Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11499288 | Hydraulic excavator | Taihei Maehara, Takeshi Ishii | 2022-11-15 |
| 11454002 | Hydraulic drive system for work machine | Taihei Maehara, Takeshi Ishii | 2022-09-27 |
| 11377822 | Hydraulic drive apparatus | Kouji Ishikawa, Yasutaka Tsuruga, Masatoshi Hoshino, Seiji Hijikata | 2022-07-05 |
| 11214940 | Hydraulic drive system for construction machine | Taihei Maehara, Takeshi Ishii | 2022-01-04 |