Inventor
SAKAGUCHI YASUO
JP74 patents
⚠️ This page may combine multiple inventors who share the name “SAKAGUCHI YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI XEROX CO LTD
34 patentsUS6020426AFeb 1, 2000
Charge-transporting copolymer, method of forming charge-transporting copolymer, electrophotographic photosensitive body, and electrophotographic device
FUJI XEROX CO LTD83 citations96
US5393629AFeb 28, 1995
Electrophotographic photoreceptor
FUJI XEROX CO LTD55 citations96
US5358813AOct 25, 1994
Crystals of chlorogallium phthalocyanine and method of preparing them
FUJI XEROX CO LTD59 citations96
US5302479AApr 12, 1994
Crystals of hydroxygallium phthalocyanine, method of preparing the crystals, photoconductive material comprising the crystals, and electrophotographic photoreceptor comprising the material
FUJI XEROX CO LTD97 citations96
US5298617AMar 29, 1994
Oxytitaniumphthalocyanine hydrate crystal and electrophotographic photoreceptor using said crystal
FUJI XEROX CO LTD70 citations96
US5308728AMay 3, 1994
Dichlorotin phthalocyanine crystal, process for producing the same, and electrophotographic photoreceptor using the same
FUJI XEROX CO LTD29 citations93
US5283145AFeb 1, 1994
Crystals of dichlorotin phthalocyanine, method of preparing the crystal, and electrophotographic photoreceptor comprising the crystal
FUJI XEROX CO LTD32 citations93
US5834149ANov 10, 1998
Hydroxygallium phthalocyanine crystals and electrophotographic photoreceptors using same
FUJI XEROX CO LTD24 citations92
US5663327ASep 2, 1997
Hydroxygallium phthalocyanine crystal, process for producing the same, and electrophotographic photoreceptor containing the same
FUJI XEROX CO LTD26 citations92
US5464717ANov 7, 1995
Electrophotographic photoreceptor with subbing layer and charge generating layer
FUJI XEROX CO LTD20 citations92
US5463043AOct 31, 1995
Process for producing a dichlorotin phthalocyanine crystal
FUJI XEROX CO LTD29 citations92
US5378569AJan 3, 1995
Oxytitaniumphthalocyanine hydrate crystal and electrophotographic photoreceptor using said crystal
FUJI XEROX CO LTD38 citations92
US5338636AAug 16, 1994
Dichlorotin phthalocyanine crystal electrophotographic photoreceptor using the same, and coating composition for electrophotographic photoreceptor
FUJI XEROX CO LTD29 citations92
US5252417AOct 12, 1993
Titanyl phthalocyanine crystal and electrophotographic photoreceptor using the same
FUJI XEROX CO LTD33 citations92
US4996125AFeb 26, 1991
Electrophotographic photoreceptor containing a fluorine lubricating agent layer
FUJI XEROX CO LTD35 citations92
US5416207AMay 16, 1995
Dichlorotin phthalocyanine crystal, process for producing the same, and electrophotographic photoreceptor using the same
FUJI XEROX CO LTD27 citations91
US5332643AJul 26, 1994
Method of wet honing a support for an electrophotographic photoreceptor
FUJI XEROX CO LTD21 citations89
US5834146ANov 10, 1998
Electrophotographic photoreceptor containing uniform and nonuniform charge transporting layers
FUJI XEROX CO LTD17 citations84
US5789127AAug 4, 1998
Electrophotographic photoreceptor
FUJI XEROX CO LTD17 citations84
US5643703AJul 1, 1997
Hydroxygallium phthalocyanine crystal, process for preparing same, and electrophotographic photoreceptor comprising same
FUJI XEROX CO LTD16 citations82
US6395440B1May 28, 2002
Electrophotographic photoreceptor, process cartridge and electrophotographic apparatus using the same
FUJI XEROX CO LTD8 citations74
US6232466B1May 15, 2001
Process for preparing titanyl phthalocyanine crystal by solvent treatment of amorphous or quasi-amorphous titanyl phthalocyanine
FUJI XEROX CO LTD13 citations74
US5942361AAug 24, 1999
Electrophotographic photosensitive member having S-type photo-induced potential decay and electrophotographic apparatus
FUJI XEROX CO LTD15 citations74
US5856471AJan 5, 1999
Phthalocyanine pigment for electrophotographic photoreceptors
FUJI XEROX CO LTD5 citations74
US5622801AApr 22, 1997
Phthalocyanine pigment and dispersion thereof and electrophotographic photoreceptor containing the pigment
FUJI XEROX CO LTD5 citations74
US5545733AAug 13, 1996
Method for preparing hydroxygallium phthalocyanine crystals and electrophotographic photoreceptor using the crystals
FUJI XEROX CO LTD7 citations74
US5512674AApr 30, 1996
Process for preparing titanyl phthalocyanine crystal by solvent dilution
FUJI XEROX CO LTD14 citations74
US5508395AApr 16, 1996
Hydroxygallium phthalocyanine crystal, process for preparing same
FUJI XEROX CO LTD10 citations74
US5495011AFeb 27, 1996
Process for preparing hydroxygallium phthalocyanine crystal, product thereof and electrophotographic photoreceptor using the same
FUJI XEROX CO LTD9 citations74
US5360475ANov 1, 1994
Process for preparing hydroxymetal phthalocyanine pigment
FUJI XEROX CO LTD16 citations74
US5141832AAug 25, 1992
Electrophotographic photoreceptor with copolymerized polycarbonate resin
FUJI XEROX CO LTD11 citations74
US6268096B1Jul 31, 2001
Titanyl phthalocyanine crystal and electrophotographic photoreceptor using the same
FUJI XEROX CO LTD13 citations73
US6016417AJan 18, 2000
Intermediate transfer medium, method for producing the same and image forming device using the same
FUJI XEROX CO LTD12 citations73
US5440029AAug 8, 1995
Titanyl phthalocyanine crystal
FUJI XEROX CO LTD6 citations73
KUREHA CHEMICAL IND CO LTD
7 patentsUS5236688AAug 17, 1993
Method for activating infusibilized pitch beads
KUREHA CHEMICAL IND CO LTD53 citations92
US3933335AJan 20, 1976
Casting mold for metals
KUREHA CHEMICAL IND CO LTD50 citations91
US4781994ANov 1, 1988
Fiber-reinforced cement material and molded article comprising hardened product thereof
KUREHA CHEMICAL IND CO LTD22 citations81
US5110681AMay 5, 1992
Melt-stable poly(arylene thioether-ketone) prepregs and molded or formed products thereof
KUREHA CHEMICAL IND CO LTD15 citations74
US4895893AJan 23, 1990
Heat-resistant resin compositions, and heat-resistant molded or formed articles and production process thereof
KUREHA CHEMICAL IND CO LTD9 citations74
US5474828ADec 12, 1995
Electronic device sealing resin compositions and sealed electronic devices
KUREHA CHEMICAL IND CO LTD6 citations73
US4863708ASep 5, 1989
Process for producing carbon fibers and the carbon fibers produced by the process
KUREHA CHEMICAL IND CO LTD11 citations73
TOYOTA MOTOR CO LTD
6 patentsUS11492000B2Nov 8, 2022
Autonomous driving system and control method of autonomous driving system
TOYOTA MOTOR CO LTD13 citations94
US10120380B2Nov 6, 2018
Autonomous driving control system for vehicle
TOYOTA MOTOR CO LTD5 citations84
US9864373B2Jan 9, 2018
Autonomous driving control system for vehicle
TOYOTA MOTOR CO LTD5 citations84
US9849832B2Dec 26, 2017
Information presentation system
TOYOTA MOTOR CO LTD7 citations83
US10338584B2Jul 2, 2019
Autonomous driving control system for vehicle
TOYOTA MOTOR CO LTD3 citations73
US10095227B2Oct 9, 2018
Automatic driving system
TOYOTA MOTOR CO LTD2 citations73
HITACHI METALS LTD
1 patentXEROX CORP
1 patentEXXON CHEMICAL PATENTS INC
1 patentShowing the top 50 of 74 patents by PatentIndex Score.