Inventor
SETO MITSURU
JP13 patents
Patents
13 patentsUS5761594AJun 2, 1998
Image forming apparatus
RICOH KK57 citations96
US6574448B2Jun 3, 2003
Image forming apparatus and method for improving image quality of double sided prints
RICOH KK24 citations92
US5873018AFeb 16, 1999
Image forming apparatus having an intermediate transfer unit with a surface having reduced coefficient of friction
RICOH KK46 citations92
US5774775AJun 30, 1998
Electrophotograhic image forming method using an intermediate image transfer element
RICOH KK23 citations92
US5655199AAug 5, 1997
Intermediate transfer type image forming apparatus and an intermediate transfer medium therefor
RICOH KK30 citations92
US5572304ANov 5, 1996
Intermediate image transfer element and image forming apparatus using the same
RICOH KK40 citations92
US5147751ASep 15, 1992
Electrophotographic photoconductor and electrophotographic copying process and apparatus using the photoconductor
RICOH KK47 citations92
US5059502AOct 22, 1991
Electrophotographic photoconductor
RICOH KK32 citations92
US5342718AAug 30, 1994
Electrophotographic photoconductor with overlayer of polyol-curing polyurethane resin
RICOH KK32 citations91
US5887218AMar 23, 1999
Color image forming apparatus having toner and transfer sheet bearing members and image forming method thereof
RICOH KK24 citations90
US5905013AMay 18, 1999
Image forming apparatus
RICOH KK8 citations73
US6219518B1Apr 17, 2001
Image forming apparatus including an intermediate image transfer body
RICOH KK3 citations62
US6122475ASep 19, 2000
Image forming apparatus with an intermediate transfer element having a polarity controlling material
RICOH KK4 citations61