Inventor
SHISHITSUKA KAZUYUKI
JP3 patents
Patents
3 patentsUS7962068B2Jun 14, 2011
Charging member, process cartridge and electrophotographic apparatus
CANON KK48 citations93
US7693457B2Apr 6, 2010
Charging member, process cartridge, and electrophotographic apparatus
CANON KK43 citations91
US7664434B2Feb 16, 2010
Charging member, process cartridge and electrophotographic apparatus
CANON KK18 citations83