Inventor
KUGOH HARUMI
JP6 patents
Patents
6 patentsUS5202729AApr 13, 1993
Developing apparatus having a coated developing roller
CANON KK64 citations96
US5809379ASep 15, 1998
Electrophotography having photosensitive member with charge blocking overlayer
CANON KK32 citations92
US5485248AJan 16, 1996
Image forming apparatus having a contact charger for varying a charge applied to a photosensitive drum based on a resistance of the photosensitive layer
CANON KK45 citations92
US5390007AFeb 14, 1995
Charging member, charging device, process cartridge and image forming apparatus
CANON KK23 citations92
US5499080AMar 12, 1996
Image forming apparatus having a voltage controlled contact charger
CANON KK17 citations73
US5384626AJan 24, 1995
Charging member, process cartridge and image forming apparatus
CANON KK16 citations73