Inventor
FUKAGAI TOSHIO
JP21 patents
Patents
21 patentsUS5608010AMar 4, 1997
Polymers of acrylic acid ester derivatives having a triphenyl amine skeleton
RICOH KK42 citations96
US5427880AJun 27, 1995
Electrophotographic Photoconductor
RICOH KK100 citations96
US5322753AJun 21, 1994
Electrophotographic photoconductor and acrylic acid ester polymer for use in the same
RICOH KK42 citations96
US6534227B2Mar 18, 2003
Photoreceptor, method of evaluating the photoreceptor, method of producing the photoreceptor, and image formation apparatus using the photoreceptor
RICOH KK24 citations92
US5670284ASep 23, 1997
Electrophotographic photoconductor
RICOH KK38 citations92
US5488137AJan 30, 1996
Acrylic acid ester derivative having a triphenyl amine skeleton
RICOH KK26 citations92
US5339138AAug 16, 1994
Electrophotographic image formation method
RICOH KK53 citations92
US4863822ASep 5, 1989
Electrophotographic photoconductor comprising charge generating and transport layers containing adjuvants
RICOH KK24 citations91
US4822705AApr 18, 1989
Electrophotographic photoconductor with layer preventing charge injection
RICOH KK24 citations91
US4390608AJun 28, 1983
Layered charge generator/transport electrophotographic photoconductor uses bisazo pigment
RICOH KK28 citations90
US6521388B2Feb 18, 2003
Electrophotographic image forming apparatus, and photoreceptor therefor
RICOH KK14 citations84
US6649313B2Nov 18, 2003
Photoreceptor, method of evaluating a photoreceptor, and method of producing the photoreceptor
RICOH KK13 citations83
US4946766AAug 7, 1990
Electrophotographic photoconductor having intermediate layer comprising indium oxide
RICOH KK20 citations82
US4906545AMar 6, 1990
Electrophotographic photoconductor with undercoat layer containing metal oxide on support
RICOH KK18 citations81
US4481271ANov 6, 1984
Layered electrophotographic photoconductor containing a hydrazone
RICOH KK20 citations79
US6830857B2Dec 14, 2004
Image forming method, image forming apparatus, process cartridge and photoconductor
RICOH KK11 citations74
US6821694B2Nov 23, 2004
Image forming method, image forming apparatus, process cartridge and photoconductor
RICOH KK8 citations74
US4830942AMay 16, 1989
Electrophotographic photoconductor
RICOH KK12 citations74
US4970131ANov 13, 1990
Electrophotographic photoconductor having overcoat layer
RICOH KK8 citations72
US5135829AAug 4, 1992
Electrophotographic photoconductor having intermediate layer comprising modified indium oxide
RICOH KK8 citations71
US4284698AAug 18, 1981
Layered electrophotographic photoconductor
RICOH KK9 citations68