Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7836982 | Compact crawler type tractor | Kozo Kitayama, Kazuhisa Yokoyama, Yumiko Yamashita | 2010-11-23 |
| D559277 | Tractor | Takashi Komaki, Kazuhisa Yokoyama, Yumiko Yamashita, Yoshiharu Kouchi | 2008-01-08 |
| D559278 | Tractor | Takashi Komaki, Kazuhisa Yokoyama, Yumiko Yamashita, Yoshiharu Kouchi | 2008-01-08 |