Inventor
SAWAMURA TADAHIDE
JP5 patents
Patents
5 patentsUS5596395AJan 21, 1997
Image forming apparatus and its control system having a single device for moving a charging member and a transfer member
RICOH KK38 citations91
US5012299AApr 30, 1991
Color adjustment apparatus for color copying machine
RICOH KK41 citations91
US4766463AAug 23, 1988
Image forming apparatus
RICOH KK33 citations90
US4872037AOct 3, 1989
Image forming apparatus and control system therefor
RICOH KK25 citations89
US4733269AMar 22, 1988
Control system for color copier
RICOH KK19 citations72