TK

Takao Kuwahara

SI Sumitomo Rubber Industries: 5 patents #438 of 1,637Top 30%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
KC Kansai Electric Power Co.: 1 patents #210 of 506Top 45%
Overall (All Time): #842,955 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9573424 Motorcycle tire 2017-02-21
9340072 Motorcycle tire 2016-05-17
6318427 Tire system for motorcycles including annular tire core with radially inner groove Kenichi Fujiwara 2001-11-20
6273164 Motorcycle tire with different modulus carcass layers 2001-08-14
D335847 Automobile tire 1993-05-25
4694189 Control system for variable speed hydraulic turbine generator apparatus Eiji Haraguchi, Hiroto Nakagawa, Akira Bando, Haruo Nohara, Kenichi Ono 1987-09-15