HM

Hirokatsu Maruyama

The Yokohama Rubber Co.: 7 patents #199 of 1,136Top 20%
Overall (All Time): #745,971 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8146633 Pneumatic tire Satoru Isobe, Hironori Kobayashi 2012-04-03
6595254 Pneumatic tire including zig-zag main grooves Hiroshi Iizuka 2003-07-22
6192951 Heavy-duty pneumatic radial tire with transponder buried in bead filler Kazuhiro Shimura 2001-02-27
6065517 Pneumatic radial tire for heavy duty 2000-05-23
5833780 Pneumatic radial tire for heavy loads Atao Kishi 1998-11-10
D384311 Automobile tire Kohtaroh Iwabuchi 1997-09-30
D380181 Automobile tire Kohtaroh Iwabuchi 1997-06-24