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公开(公告)号：US20210302848A1
公开(公告)日：2021-09-30
申请号：US16913619
申请日：2020-06-26
Applicant: FUJI XEROX CO., LTD.
Inventor： Keisuke KUSANO , Wataru YAMADA , Masahiro IWASAKI , Yuto OKAZAKI
Abstract: An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer on the conductive substrate. The electrophotographic photoreceptor has an outermost surface layer that contains fluorine-containing resin particles and an antioxidant. The fluorine-containing resin particles contain 0 or more and 30 or less carboxy groups per 106 carbon atoms. A decrease in weight of the antioxidant when heated at 150° C. for 10 minutes in an air atmosphere is 40 mass % or less.
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公开(公告)号：US20210088918A1
公开(公告)日：2021-03-25
申请号：US16744210
申请日：2020-01-16
Applicant: FUJI XEROX CO., LTD.
Inventor： Keisuke KUSANO , Wataru YAMADA , Masahiro IWASAKI , Ryosuke FUJII , Yuto OKAZAKI , Taisuke FUKUI
Abstract: An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer disposed on the conductive substrate. An outermost surface layer of the electrophotographic photoreceptor contains a fluorine-containing resin particle and a fluorine-based graft polymer having a fluorinated alkyl group. A ratio of an amount of a fluorine-based graft polymer separated from the fluorine-containing resin particle to a total amount of the fluorine-based graft polymer in the outermost surface layer is 15% or less.
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公开(公告)号：US20200096884A1
公开(公告)日：2020-03-26
申请号：US16264692
申请日：2019-02-01
Applicant: FUJI XEROX CO.,LTD.
Inventor： Masahiro IWASAKI , Wataru YAMADA , Kenji KAJIWARA , Kota MAKI
Abstract: An electrophotographic photoreceptor includes a conductive substrate, an undercoating layer that is disposed on the conductive substrate, and a photosensitive layer that is disposed on the undercoating layer, in which the undercoating layer contains at least one perinone compound selected from the group consisting of a compound represented by Formula (1) and a compound represented by Formula (2) which are shown below, and polyurethane, contains at least one perinone compound selected from the group consisting of the compounds represented by Formulas (1) and (2), and at least one acceptor compound selected from the group consisting of compounds represented by Formula (3) to (15) which are shown in the specification, or contains a resin obtained by polymerizing a diallyl phthalate compound and a charge transporting material.
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公开(公告)号：US20150071693A1
公开(公告)日：2015-03-12
申请号：US14197319
申请日：2014-03-05
Applicant: FUJI XEROX CO., LTD.
Inventor： Wataru YAMADA
IPC: G03G15/00
CPC classification number: G03G15/6532
Abstract: A stripping mechanism includes a substantially sheet-shaped stripping member that has a first surface and a second surface opposite the first surface, that is elastically deformed with part of the first surface in contact with an image carrier which rotates and carries an image, and that strips a recording medium from the image carrier; and an opposing member that is disposed downstream of the stripping member in a direction in which the image carrier moves, that extends toward the image carrier, and that is opposite the first surface of the stripping member.
Abstract translation: 剥离机构包括具有第一表面和与第一表面相对的第二表面的基本上为片状的剥离构件，其弹性变形，使得第一表面的一部分与旋转并承载图像的图像载体接触，并且 从图像载体剥离记录介质; 以及相对构件，其沿图像载体移动的方向设置在剥离构件的下游，朝向图像载体延伸并且与剥离构件的第一表面相对。
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公开(公告)号：US20210161417A1
公开(公告)日：2021-06-03
申请号：US16869549
申请日：2020-05-07
Applicant: FUJI XEROX CO., LTD.
Inventor： Wataru YAMADA
IPC: A61B5/0478 , A61B5/00
Abstract: An electrode includes a living body contact portion that is to be in contact with a living body and that contains a rubber material and at least one carbon material selected from carbon nanotubes and graphene. The ratio of the volume resistivity of the living body contact portion to the surface resistivity of the living body contact portion is 1.2 or more. The amount of the carbon material in the living body contact portion is 3 parts by mass or more and 20 parts by mass or less relative to 100 parts by mass of the rubber material, or the living body contact portion has a 25% compression hardness of 20 kPa or more and 110 kPa or less.
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Patent Agency Ranking
公开(公告)号：US20200096889A1
公开(公告)日：2020-03-26
申请号：US16383673
申请日：2019-04-15
Applicant: FUJI XEROX CO., LTD.
Inventor： Wataru YAMADA
Abstract: A dispersant-attached polytetrafluoroethylene particle includes a polytetrafluoroethylene particle and a dispersant that attaches to a surface of the polytetrafluoroethylene particle and contains a fluorine atom. The particle size distribution index [D50-D10] is less than 50 nm and the electrical conductivity is 7 μS/cm or less.
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公开(公告)号：US20170363992A1
公开(公告)日：2017-12-21
申请号：US15356255
申请日：2016-11-18
Applicant: FUJI XEROX CO., LTD.
Inventor： Tomoya SASAKI , Tsuyoshi MIYAMOTO , Kana MIYAZAKI , Wataru YAMADA
IPC: G03G15/16
Abstract: An endless belt includes a polyamide imide resin layer in which a content of at least one solvent selected from a solvent group A consisting of a urea solvent, an alkoxy group-containing amide solvent, and an ester group-containing amide solvent is from 0.005 parts by weight to 3 parts by weight with respect to 100 parts by weight of the polyamide imide resin layer.
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公开(公告)号：US20170252736A1
公开(公告)日：2017-09-07
申请号：US15208278
申请日：2016-07-12
Applicant: FUJI XEROX CO., LTD.
Inventor： Hidekazu HIROSE , Hideaki YOSHIKAWA , Hiroyoshi OKUNO , Takeshi IWANAGA , Yasunobu KASHIMA , Wataru YAMADA , Sakae TAKEUCHI , Atsushi SUGITATE
CPC classification number: B01J31/38 , B01J21/063 , B01J31/0274 , B01J31/069 , B01J31/122 , B01J35/0006 , B01J35/004 , B01J35/026 , B01J37/0209 , B01J37/0221 , B01J37/08
Abstract: A titanium oxide particle surface-treated with a silane compound having a hydrocarbon group has absorption at a wavelength of about 400 nm or more and about 800 nm or less in an ultraviolet-visible absorption spectrum, and has an absorption peak at a wave number of about 2700 cm−1 or more and about 3000 cm−1 or less in an infrared absorption spectrum.
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公开(公告)号：US20170252724A1
公开(公告)日：2017-09-07
申请号：US15223447
申请日：2016-07-29
Applicant: FUJI XEROX CO., LTD.
Inventor： Hideaki YOSHIKAWA , Hidekazu HIROSE , Hiroyoshi OKUNO , Takeshi IWANAGA , Yasunobu KASHIMA , Wataru YAMADA , Sakae TAKEUCHI , Atsushi SUGITATE
CPC classification number: B01J21/08 , B01J21/063 , B01J35/002 , B01J35/004 , B01J35/008 , B01J37/0045 , B01J37/0072 , B01J37/0209 , B01J37/0221 , B01J37/08
Abstract: A silica particle includes a silica particle body and a titania coating layer formed on a surface of the silica particle body through a reaction of a titanium compound having a structure in which a hydrocarbon group bonds to a titanium atom through an oxygen atom. The silica particle has absorption at a wavelength of about 400 nm or more and about 800 nm or less in an ultraviolet-visible absorption spectrum.
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10.发明申请公开(公告)号：US20140072906A1
公开(公告)日：2014-03-13
申请号：US13867604
申请日：2013-04-22
Applicant: FUJI XEROX CO., LTD.
Inventor： Yuko IWADATE , Katsumi NUKADA , Wataru YAMADA , Hidekazu HIROSE , Tomoya SASAKI , Kenji KAJIWARA
CPC classification number: G03G5/047 , G03G5/0514 , G03G5/0539 , G03G5/0564 , G03G5/0596 , G03G5/0614 , G03G5/075 , G03G5/14726 , G03G5/14756 , G03G5/14795 , G03G21/1814
Abstract: Provided is an electrophotographic photoreceptor including a conductive substrate; a charge generating layer provided on the conductive substrate; a charge transporting layer provided on the charge generating layer; and an outermost surface layer provided on the charge transporting layer, wherein the charge transporting layer includes a charge transporting material and a polycarbonate copolymer having a solubility parameter as calculated by a Feders method of from 11.40 to 11.75, and the outermost surface layer includes a charge transporting material, fluorine-containing resin particles, and a fluorine-containing dispersant.
Abstract translation: 提供一种电子照相感光体，包括导电性基材; 设置在所述导电性基板上的电荷产生层; 设置在电荷产生层上的电荷输送层; 以及设置在所述电荷输送层上的最外表面层，其中所述电荷输送层包括电荷输送材料和通过由Feders法计算的溶解度参数为11.40至11.75的聚碳酸酯共聚物，并且所述最外表面层包含电荷 运输材料，含氟树脂颗粒和含氟分散剂。
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