Inventor
YOSHIHARA TOSHIYUKI
JP36 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIHARA TOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
32 patentsUS5017449AMay 21, 1991
Electrophotographic photosensitive member with substituted nylon interlayer
CANON KK70 citations96
US4792507ADec 20, 1988
Electrophotographic member with surface layer having fluorine resin powder and fluorine graft polymer
CANON KK64 citations96
US5771425AJun 23, 1998
Mechanically fastened cylindrical engaging member for use in an image forming apparatus
CANON KK26 citations92
US5418099AMay 23, 1995
Electrophotographic photosensitive member, and electrophotographic apparatus and device unit employing the same
CANON KK22 citations92
US4863823ASep 5, 1989
Electrophotographic member with the surface layer having a fluorine type resin powder and a fluorine type block polymer
CANON KK34 citations92
US4716091ADec 29, 1987
Electrophotographic member with silicone graft copolymer in surface layer
CANON KK26 citations92
US4931841AJun 5, 1990
Electrophotographic apparatus having abraded surface photosensitive member
CANON KK20 citations82
US4851314AJul 25, 1989
Electrophotographic photosensitive member with combined polycarbonate resins
CANON KK22 citations82
US7301615B2Nov 27, 2007
Optical apparatus, method of determining position of optical element in optical system, and device manufacturing method
CANON KK14 citations81
US5715501AFeb 3, 1998
Image forming method using a surface with a specified water contact angle and process cartridge using such a method
CANON KK12 citations74
US5068762ANov 26, 1991
Electrophotographic charging device
CANON KK16 citations74
US4974964ADec 4, 1990
Apparatus for preparing electrophotographic photosensitive members
CANON KK12 citations74
US4855202AAug 8, 1989
Electrophotographic photosensitive member
CANON KK13 citations74
US5610690AMar 11, 1997
Electrophotographic apparatus and process cartridge featuring an electrophotographic photosensitive member having a surface layer of lubricative fluorine-containing resin powder
CANON KK15 citations73
US5576810ANov 19, 1996
Image forming method
CANON KK13 citations73
US5565289AOct 15, 1996
Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus employing the same
CANON KK7 citations73
US5538826AJul 23, 1996
Electrophotographic image forming method, apparatus and device unit
CANON KK11 citations73
US5384625AJan 24, 1995
Image forming method
CANON KK9 citations73
US5254423AOct 19, 1993
Electrophotographic photosensitive member, and electrophotographic apparatus, device unit and facsimile machine having the photosensitive member
CANON KK16 citations73
US5362588ANov 8, 1994
Electrophotographic photosensitive member and apparatus including same
CANON KK10 citations72
US7230692B2Jun 12, 2007
Optical apparatus, method of determining position of optical element in optical system, and device manufacturing method
CANON KK9 citations71
US6987621B2Jan 17, 2006
Aberration correction optical system
CANON KK3 citations63
US5376485ADec 27, 1994
Photosensitive member, electrophotographic apparatus and image forming method using same
CANON KK4 citations63
US5157442AOct 20, 1992
Image forming apparatus
CANON KK4 citations63
US4818654AApr 4, 1989
Electrophotographic photosensitive member with combination of polymethyl methacrylate resins
CANON KK3 citations63
US4517271AMay 14, 1985
Electrophotographic CdS photosensitive member with acrylic resin binder
CANON KK5 citations63
US6245473B1Jun 12, 2001
Electrophotographic apparatus with DC contact charging and photosensitive layer with polycarbonate resin in charge generation layer
CANON KK5 citations62
US5558964ASep 24, 1996
Electrophotographic photosensitive member, and electrophotographic apparatus, device unit, and facsimile machine employing the same
CANON KK3 citations62
US4932860AJun 12, 1990
Electrophotographic photosensitive member
CANON KK4 citations62
US4533232AAug 6, 1985
Electrophotographic process
CANON KK4 citations59
US4606949AAug 19, 1986
Coating method
CANON KK2 citations56
US6924937B2Aug 2, 2005
Aberration correcting optical system
CANON KK1 citations52