Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9896038 | Work vehicle | Yuichi Doi, Nobuko Yoneda, Hidehiko Kobayashi | 2018-02-20 |
| 9010809 | Oil storage tank and construction vehicle | Wataru Nishiyama, Ryouji Shiota | 2015-04-21 |
| 8876163 | Oil storage tank and construction vehicle | Wataru Nishiyama, Ryouji Shiota | 2014-11-04 |
| 8794673 | Hydraulic excavator | Youichirou Kimura, Risa Yamamoto | 2014-08-05 |
| 4651814 | Waste heat recovery apparatus | Kazuhiko Ito, Yoshinari Tanigawa, Minoru Yamaguchi | 1987-03-24 |