Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7648001 | Speed shift arrangement for work vehicle | Katsumi Yanagihara, Shigeo Shoen, Kenkichi Hirakawa, Tadashi Nakamura | 2010-01-19 |
| 7444897 | Control panel unit having control lever for utility vehicle | Hitoshi Aoyama, Yutaka Inubushi, Yoshitaka Higashikawa, Hajime Shikiya | 2008-11-04 |
| 6752228 | Tractor with a cab | Hitoshi Aoyama, Seiichi Ishiizumi, Katsumi Yanagihara, Kuninosuke Iwata, Norihide Iwata +2 more | 2004-06-22 |