Inventor
SHINKAWA KOUJI
JP7 patents
Patents
7 patentsUS6405009B1Jun 11, 2002
Image forming apparatus including system for recycling toner
SHARP KK20 citations92
US6157807ADec 5, 2000
Cleaning device with electrically biased conveying members for collecting, separating and reusing developer
SHARP KK10 citations72
US7934316B2May 3, 2011
Charging roller, process cartridge and image forming apparatus
SHARP KK4 citations61
US5842089ANov 24, 1998
Development apparatus for developing electrostatic latent image held by holder by using nonmagnetic one component developer
SHARP KK4 citations61
US5794097AAug 11, 1998
Image forming device with residual charge removal control
SHARP KK4 citations61
US7869743B2Jan 11, 2011
Image forming apparatus, process cartridge used therein, and production method of charging roller
SHARP KK1 citations51
US7668484B2Feb 23, 2010
Charging roller and image forming apparatus incorporating same
SHARP KK0 citations40