Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11173890 | Power regeneration system for work vehicle | Masatsugu Arai, Yukiaki Shimizu, Takaaki Tanaka, Shintarou TANAKA | 2021-11-16 |
| 11149832 | Differential hypoid gear, pinion gear, and paired hypoid gears formed by combination thereof | Takayoshi SUGIURA, Yuta Iwamoto, Yasuhiro Fukuda, Masaaki Kondo | 2021-10-19 |
| 11124075 | Electrically driven work vehicle, and wheel electric driving unit | Satoru Kaneko, Shinji Sugimoto, Takayoshi Nakamura, Tadashi Osaka, Masatsugu Arai | 2021-09-21 |