Inventor
SAWAI YUJI
JP10 patents
Patents
10 patentsUS6405002B2Jun 11, 2002
Image formation apparatus
RICOH KK75 citations95
US6163661ADec 19, 2000
Electrostatic image forming apparatus capable of reducing defective image transfer caused by free toner particles deposited on a corona discharger
RICOH KK23 citations92
US5890030AMar 30, 1999
Electrostatic image forming apparatus
RICOH KK42 citations92
US5410339AApr 25, 1995
Image forming apparatus
RICOH KK20 citations92
US4989043AJan 29, 1991
Color-balance control method
RICOH KK25 citations92
US5003354AMar 26, 1991
Method of removing a film from an image carrier of an image forming apparatus
RICOH KK30 citations91
US4975748ADec 4, 1990
Method of removing a film from an image carrier
RICOH KK40 citations91
US4254201AMar 3, 1981
Pressure sensitive adhesive toner of clustered encapsulated porous particles for use in electrostatic photography
RICOH KK115 citations91
US5208211AMay 4, 1993
Image-receiving sheet for electrophotography and electrophotographic method using the same
RICOH KK19 citations82
US5057873AOct 15, 1991
Method of cleaning a transfer drum of an electrophotographic apparatus
RICOH KK11 citations72