Inventor
ROKUTANZONO TAKASHI
JP9 patents
Patents
9 patentsUS5578405ANov 26, 1996
Electrophotographic photoconductor containing disazo and trisazo pigments
RICOH KK125 citations97
US6558863B2May 6, 2003
Electrophotographic photoreceptor, electrophotographic image forming method and apparatus using the photoreceptor
RICOH KK59 citations96
US5702855ADec 30, 1997
Electrophotographic photoconductor containing a mixture of a phenol compound and an organic sulfur-containing compound
RICOH KK55 citations96
US5008172AApr 16, 1991
Electrophotographic photoconductor
RICOH KK52 citations95
US5147751ASep 15, 1992
Electrophotographic photoconductor and electrophotographic copying process and apparatus using the photoconductor
RICOH KK47 citations92
US5342718AAug 30, 1994
Electrophotographic photoconductor with overlayer of polyol-curing polyurethane resin
RICOH KK32 citations91
US4957839ASep 18, 1990
Electrophotographic photoconductor having a silicone resin charge retention layer
RICOH KK36 citations90
US7408659B2Aug 5, 2008
Server computer, information terminal, printing system, remote printing method, recording medium, and computer data signal embeded in a carrier wave
RICOH KK8 citations72
US6300029B1Oct 9, 2001
Electrophotographic image forming process and electrophotographic photoconductor
RICOH KK9 citations72