YO

Yozo Oka

YC Yanmar Holdings Co.: 4 patents #130 of 636Top 25%
Overall (All Time): #1,243,546 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7758680 Tractor Noboru Yamamoto, Nobuaki Takahashi 2010-07-20
7731209 Tractor Syuusuke Nemoto 2010-06-08
7520364 Tractor Nobuaki Takahashi 2009-04-21
D542308 Tractor Toshiyuki Shin, Nobuaki Takahashi, Noboru Yamamoto 2007-05-08