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Junji Sakata

Bridgestone: 11 patents #187 of 2,860Top 7%
Overall (All Time): #465,153 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8859634 Adherent resin composition Hajime Kitano, Hiroyuki Kanesugi 2014-10-14
8376922 Developing roller, charging roller, conductive roller and method for producing the same Shuyou Akama, Hiroyuki Anzai, Hiroyuki Kanesugi, Hikaru Ishikawa, Koji Takagi +1 more 2013-02-19
8337373 Conductive elastic roller and image forming apparatus comprising the same 2012-12-25
6818674 Elastic member and image formation equipment Hirotaka Yamazaki 2004-11-16
6810227 Foamed elastic member for use in image forming apparatus Hirotaka Yamazaki 2004-10-26
6572791 Electroconductive elastic member, elastic member and image formation equipment Hirotaka Yamazaki, Tadashi Nakajima, Takahiro Kawagoe 2003-06-03
6480692 Toner supply roller and developing apparatus Hirotaka Yamazaki 2002-11-12
5933693 Electroconductive elastic member and electrophotographic apparatus using same Tadashi Nakajima, Takahiro Kawagoe 1999-08-03
5911099 Electroconductiive member and electrophotogrpahic apparatus Tadashi Nakajima, Takahiro Kawagoe 1999-06-08
5132064 Foam molding method and mold assembly therefor Toshio Iwasawa, Takeo Yoshida, Kazushige Ebe, Itsumi Komada, Toshihiro Hamaji +1 more 1992-07-21
5039291 Foam molding assembly Toshio Iwasawa, Takeo Yoshida, Kazushige Ebe, Itsumi Komada, Toshihiro Hamaji +1 more 1991-08-13