KH

Kenkichi Hirakawa

Kubota: 4 patents #505 of 2,059Top 25%
Overall (All Time): #1,241,371 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7648001 Speed shift arrangement for work vehicle Katsumi Yanagihara, Shigeo Shoen, Takahiro Komine, Tadashi Nakamura 2010-01-19
7464782 Tractor with cabin Tsutomu Toiguchi 2008-12-16
D553159 Tractor Yoshitaka Higashikawa, Hitoshi Aoyama, Shigeo Shoen, Takafumi Komatsu 2007-10-16
4304315 Tractor Toshiyuki Matsumoto 1981-12-08