MS

Masao Shimura

OI Oiles: 5 patents #34 of 253Top 15%
JT Jtekt: 4 patents #427 of 1,969Top 25%
KC Koyo Seiko Co.: 1 patents #363 of 749Top 50%
Overall (All Time): #1,021,261 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7926376 Rack guide and rack-and-pinion type steering apparatus having the rack guide Masahiko Hirose, Masaaki Hashimoto, Nobuyuki Sato, Yoshiro Kuzumi 2011-04-19
7798504 Bush bearing and rack-and-pinion type steering apparatus for automobile using the same Masahiko Hirose, Masaaki Hashimoto, Yoshihide Ohara, Takahiro Tanaka, Hidetoshi Kaida 2010-09-21
7739793 Method of manufacturing rack guide base body in rack-and-pinion type steering apparatus and rack guide Kazuhiro Yamamoto, Yoshiro Kuzumi, Masahiko Hirose, Masaaki Hashimoto, Takahiro Tanaka +1 more 2010-06-22
7699708 Shaft coupling mechanism for electric power steering apparatus Shuichi Kubota, Takashi Horiguchi, Katsunori Saito, Souichi Iwasa 2010-04-20
7275456 Method of production rack guide base body in rack-and-pinion type steering device and rack guide Kazuhiro Yamamoto, Masahiko Hirose, Katsutoshi Nishimura, Yoshiro Kuzumi 2007-10-02