Inventor
KASHIZAKI YOSHIO
JP23 patents
Patents
23 patentsUS5666589ASep 9, 1997
Electrophotographic apparatus and image forming method using a photosensitive member with exposure characteristics responsive to field intensity
CANON KK20 citations93
US5604061AFeb 18, 1997
Electrophotographic photosensitive member, process cartridge including same and electrophotographic apparatus
CANON KK23 citations93
US6228546B1May 8, 2001
Polymer, electrophotographic photosensitive member containing the polymer, process cartridge and electrophotographic apparatus having the electrophotographic photosensitive member
CANON KK29 citations92
US5834145ANov 10, 1998
Electrophotographic photosensitve member and image forming apparatus
CANON KK33 citations92
US5488461AJan 30, 1996
Electrophotographic photosensitive member and electrophotographic apparatus using the same
CANON KK27 citations92
US5486440AJan 23, 1996
Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus employing the same
CANON KK21 citations92
US5468584ANov 21, 1995
Electrophotographic photosensitive member having intermediate layer containing fine powder particles of tin oxide containing phosphorous and apparatus employing same
CANON KK21 citations92
US5464718ANov 7, 1995
Electrophotographic photosensitive member, process cartridge including same and electrophotographic apparatus
CANON KK25 citations92
US5194353AMar 16, 1993
Electrophotographic photosensitive member, and electrophotographic apparatus and facsimile employing the same
CANON KK20 citations82
US5629116AMay 13, 1997
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus having the electrophotographic photosensitive member
CANON KK17 citations74
US5219688AJun 15, 1993
Electrophotographic photosensitive member and electrophotographic apparatus and facsimile machine which use the electrophotographic photosensitive member
CANON KK7 citations74
US5356746AOct 18, 1994
Electrophotographic photosensitive member, electrophotographic apparatus, device unit and facsimile machine
CANON KK9 citations73
US4868080ASep 19, 1989
Electrophotographic photosensitive member comprising aromatic azo pigment containing cyclic amino group
CANON KK14 citations73
US5453342ASep 26, 1995
Electrophotographic photosensitive member, and electrophotographic apparatus, device unit, and facsimile machine employing the same
CANON KK18 citations72
US5192632AMar 9, 1993
Electrophotographic bisazo photosensitive member, and electrophotographic apparatus and facsimile employing the same
CANON KK8 citations71
US5411828AMay 2, 1995
Electrophotographic photosensitive member, and electrophotographic apparatus, device unit and facsimile machine having the photosensitive member
CANON KK4 citations63
US5278013AJan 11, 1994
Electrophotographic photosensitive member, and electrophotographic apparatus and facsimile machine employing the same
CANON KK5 citations63
US5246805ASep 21, 1993
Electrophotographic photosensitive member, and electrophotographic apparatus and facsimile employing the same
CANON KK6 citations63
US4975349ADec 4, 1990
Electrophotographic photosensitive material using azo pigment containing coupler component
CANON KK3 citations63
US5288575AFeb 22, 1994
Electrophotographic photosensitive member, and electrophotographic apparatus, device unit and facsimile machine employing the photosensitive member
CANON KK3 citations62
US5272028ADec 21, 1993
Electrophotographic photosensitive member comprising a tris-azo pigment
CANON KK3 citations61
US5173383ADec 22, 1992
Electrophotographic photosensitive member, and electrophotographic apparatus and facsimile machine employing the same
CANON KK1 citations51
US5093218AMar 3, 1992
Electrophotographic photosensitive member having an azo pigment
CANON KK1 citations51