Inventor
OHKAJI HIROYUKI
JP8 patents
Patents
8 patentsUS6085062AJul 4, 2000
Electrophotographic image forming apparatus
RICOH KK100 citations97
US6628903B1Sep 30, 2003
Image forming apparatus having a sensor for sensing an amount of reflected light from both a photoconductive element and a paper
RICOH KK52 citations96
US6144811ANov 7, 2000
Image forming apparatus having a sensor for sensing an amount of reflected light from both a photoconductive element and a paper
RICOH KK70 citations96
US6160969ADec 12, 2000
Image forming apparatus with a voltage applying unit for image transfer
RICOH KK57 citations95
US6898383B2May 24, 2005
Image forming apparatus
RICOH KK19 citations92
US5719684AFeb 17, 1998
Image forming apparatus having an endless conveying and transferring belt with an interrupt control
RICOH KK26 citations92
US5189479AFeb 23, 1993
Image transferring device for a color image recorder
RICOH KK30 citations92
US4984024AJan 8, 1991
Image transfer unit for image recording apparatus
RICOH KK39 citations92