YK

Yoshiro Kuzumi

OI Oiles: 4 patents #43 of 253Top 20%
JT Jtekt: 2 patents #749 of 1,969Top 40%
KC Koyo Seiko Co.: 1 patents #363 of 749Top 50%
Overall (All Time): #1,237,875 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8079280 Rack guide and rack-and-pinion type steering apparatus using the same Shuichi Kubota, Hidetoshi Kaida 2011-12-20
7926376 Rack guide and rack-and-pinion type steering apparatus having the rack guide Masahiko Hirose, Masaaki Hashimoto, Nobuyuki Sato, Masao Shimura 2011-04-19
7739793 Method of manufacturing rack guide base body in rack-and-pinion type steering apparatus and rack guide Kazuhiro Yamamoto, Masao Shimura, Masahiko Hirose, Masaaki Hashimoto, Takahiro Tanaka +1 more 2010-06-22
7275456 Method of production rack guide base body in rack-and-pinion type steering device and rack guide Kazuhiro Yamamoto, Masahiko Hirose, Katsutoshi Nishimura, Masao Shimura 2007-10-02