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    Electrophotographic photoreceptor, image forming apparatus and process cartridge for image forming apparatus
    3.
    发明授权
    Electrophotographic photoreceptor, image forming apparatus and process cartridge for image forming apparatus 有权
    电子照相感光体，图像形成装置和成像装置用处理盒

    公开(公告)号：US08637216B2

    公开(公告)日：2014-01-28

    申请号：US13272515

    申请日：2011-10-13

    申请人： Takafumi Iwamoto ,  Naohiro Toda ,  Chieko Yamazaki

    发明人： Takafumi Iwamoto ,  Naohiro Toda ,  Chieko Yamazaki

    IPC分类号： G03G5/00

    CPC分类号： G03G15/751 ,  G03G5/14704 ,  G03G5/14708 ,  G03G5/14717 ,  G03G5/14791 ,  G03G5/14795

    摘要： An electrophotographic photoreceptor including an electroconductive substrate, a photosensitive layer, and a cured protection layer, wherein the cured protection layer comprises a cured material of a tri- or more functional radical polymerizable compound and a filler exposed from the surface of the cured protection layer which comprises a bump along the surface of the filler, and wherein the cured protection layer has a thickness (T) larger than a diameter (2r) of the filler therein and the following relationships (a) is satisfied: (the number of the fillers present to a depth of T/2 from a free surface of the cured protection layer/the total number of the fillers in the cured protection layer)×100≧7%  (a).

    摘要翻译： 一种电子照相感光体，包括导电性基体，感光层和固化保护层，其中固化保护层包含三官能以上的自由基聚合性化合物的固化物和从固化保护层的表面露出的填料， 包括沿着填料表面的凸块，其中固化保护层的厚度（T）大于其中填料的直径（2r），并满足以下关系式（a）：（存在的填料数量 从固化保护层的自由表面/固化保护层中的填料总数到T / 2的深度）×100> = 7％（a）。

    Image forming apparatus and process cartridge
    4.
    发明授权
    Image forming apparatus and process cartridge 有权
    成像设备和处理盒

    公开(公告)号：US08867960B2

    公开(公告)日：2014-10-21

    申请号：US13783645

    申请日：2013-03-04

    申请人： Naohiro Toda ,  Takafumi Iwamoto ,  Toshihiro Ishida ,  Tetsuya Toshine ,  Yohta Sakon ,  Masahiro Ohmori

    发明人： Naohiro Toda ,  Takafumi Iwamoto ,  Toshihiro Ishida ,  Tetsuya Toshine ,  Yohta Sakon ,  Masahiro Ohmori

    IPC分类号： G03G15/00 ,  G03G21/00

    CPC分类号： G03G21/0017

    摘要： An image forming apparatus including an image bearing member having a surface layer A having a surface hardness of 200 N/mm2 or greater, the surface layer A containing fillers made of a metal oxide and a cleaning blade having a reed-like elastic blade having a front edge portion to remove toner from the surface layer A in motion while the front edge portion is in contact with the surface layer A, the front edge portion having a laminate structure formed of a substrate of the elastic blade, a mixed layer of the substrate and an acrylic and/or methacrylic resin, the mixed layer having a thickness of 1.0 μm or greater, and a surface layer B having an acrylic and/or methacrylic resin, the surface layer B having a thickness of 0.1 μm or greater.

    摘要翻译： 一种图像形成装置，包括具有表面硬度为200N / mm 2或更大的表面层A的图像承载部件，所述表面层A包含由金属氧化物制成的填料和具有筘状弹性刮板的清洁刮板，所述刮板具有 前边缘部分，以在前边缘部分与表面层A接触的同时从表面层A移动调色剂，前边缘部分具有由弹性刮板的基底形成的层叠结构，基底的混合层 丙烯酸和/或甲基丙烯酸树脂，厚度为1.0μm以上的混合层和具有丙烯酸和/或甲基丙烯酸树脂的表面层B，表面层B的厚度为0.1μm以上。

    Electrophotographic photoreceptor, and image forming apparatus and process cartridge therefor using the photoreceptor
    5.
    发明授权
    Electrophotographic photoreceptor, and image forming apparatus and process cartridge therefor using the photoreceptor 有权
    电子照相感光体，以及使用感光体的成像设备及其处理盒

    公开(公告)号：US08568945B2

    公开(公告)日：2013-10-29

    申请号：US12625746

    申请日：2009-11-25

    申请人： Hiromi Tada ,  Naohiro Toda ,  Yuuji Tanaka ,  Norio Nagayama ,  Yoshinori Inaba ,  Takafumi Iwamoto

    发明人： Hiromi Tada ,  Naohiro Toda ,  Yuuji Tanaka ,  Norio Nagayama ,  Yoshinori Inaba ,  Takafumi Iwamoto

    IPC分类号： G03G5/047 ,  G03G15/04

    CPC分类号： G03G5/0575 ,  G03G5/0542 ,  G03G5/0592 ,  G03G5/0696 ,  G03G2215/00957

    摘要： An electrophotographic photoreceptor, including a charge generation layer and a charge transport layer on an electroconductive substrate, wherein the charge generation layer includes titanylphthalocyanine and a binder resin which is a crosslinked material of a resin comprising a polyvinylbutyrat site having the following formula (1) and an isocyanate compound having the following formula (2): wherein R1 and R2 independently represent an alkyl group having 1 to 3 carbon atoms; k, l, m and n represent composition ratios and k+1 is from 0.60 to 0.80, wherein k or 1 may be 0, m is from 0.02 to 0.03, and n is from 0.20 to 0.40; wherein A represents a substituted or unsubstituted organic group having 2 to 4 valences; and O represents an integer of from 2 to 4.

    摘要翻译： 一种电子照相感光体，包括在导电性基体上的电荷产生层和电荷传输层，其中电荷产生层包括钛氧基酞菁和作为包含具有下式（1）的聚乙烯基丁酸酯位置的树脂的交联材料的粘合剂树脂和 具有下式（2）的异氰酸酯化合物：其中R 1和R 2独立地表示具有1至3个碳原子的烷基; k，l，m和n表示组成比，k + 1为0.60〜0.80，其中k或1可以为0，m为0.02〜0.03，n为0.20〜0.40; 其中A表示取代或未取代的有2-4价的有机基团; O表示2〜4的整数。

    Image bearing member, image forming apparatus, and process cartridge
    6.
    发明授权
    Image bearing member, image forming apparatus, and process cartridge 有权
    图像承载部件，成像设备和处理盒

    公开(公告)号：US08617778B2

    公开(公告)日：2013-12-31

    申请号：US12979986

    申请日：2010-12-28

    申请人： Takafumi Iwamoto ,  Naohiro Toda

    发明人： Takafumi Iwamoto ,  Naohiro Toda

    IPC分类号： G03G5/07

    CPC分类号： G03G5/0614 ,  G03G5/0542 ,  G03G5/0546 ,  G03G5/0589 ,  G03G5/0672 ,  G03G5/071 ,  G03G2215/00957

    摘要： An image bearing member including an electroconductive substrate, a charge generation layer, a charge transport layer and, a cross-linked type charge transport layer, the cross-linked type charge transport layer having a structure unit deriving from a first component, a second component, and a third component, the first component containing a copolymer having a cyclic structure and/or a structure represented by a Chemical structure 1 as a repeating unit, where Ra represents a hydrogen atom or methyl group and Rb represents a straight-chained saturated aliphatic hydrocarbon group having 8 to 34 carbon atoms, the second component containing at least one of a radical polymerizable monomer and a radical polymerizable oligomer without a charge transport structure, and the third component containing one or more kinds of radical polymerizable compounds having a charge transport structure.

    摘要翻译： 包含导电性基体，电荷产生层，电荷输送层和交联型电荷输送层的图像承载部件，具有衍生自第一成分的结构单元的交联型电荷输送层，第二成分 和第三成分，第一成分含有具有环状结构的共聚物和/或由化学结构1表示的结构作为重复单元，其中Ra表示氢原子或甲基，Rb表示直链饱和脂肪族 具有8〜34个碳原子的烃基，第二成分含有自由基聚合性单体和不含电荷输送结构的自由基聚合性低聚物中的至少一种，第三成分含有一种以上具有电荷输送结构的自由基聚合性化合物 。

    IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
    7.
    发明申请
    IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE 有权
    图像形成装置和处理盒

    公开(公告)号：US20130243484A1

    公开(公告)日：2013-09-19

    申请号：US13783645

    申请日：2013-03-04

    申请人： Naohiro Toda ,  Takafumi Iwamoto ,  Toshihiro Ishida ,  Tetsuya Toshine ,  Yohta Sakon ,  Masahiro Ohmori

    发明人： Naohiro Toda ,  Takafumi Iwamoto ,  Toshihiro Ishida ,  Tetsuya Toshine ,  Yohta Sakon ,  Masahiro Ohmori

    IPC分类号： G03G15/00 ,  G03G21/00

    CPC分类号： G03G21/0017

    摘要： An image forming apparatus including an image bearing member having a surface layer A having a surface hardness of 200 N/mm2 or greater, the surface layer A containing fillers made of a metal oxide and a cleaning blade having a reed-like elastic blade having a front edge portion to remove toner from the surface layer A in motion while the front edge portion is in contact with the surface layer A, the front edge portion having a laminate structure formed of a substrate of the elastic blade, a mixed layer of the substrate and an acrylic and/or methacrylic resin, the mixed layer having a thickness of 1.0 μm or greater, and a surface layer B having an acrylic and/or methacrylic resin, the surface layer B having a thickness of 0.1 μm or greater.

    摘要翻译： 一种图像形成装置，包括具有表面硬度为200N / mm 2或更大的表面层A的图像承载部件，所述表面层A包含由金属氧化物制成的填料和具有筘状弹性刮板的清洁刮板，所述刮板具有 前边缘部分，以在前边缘部分与表面层A接触的同时从表面层A移动调色剂，前边缘部分具有由弹性刮板的基底形成的层叠结构，基底的混合层 和丙烯酸和/或甲基丙烯酸树脂，厚度为1.0μm以上的混合层和具有丙烯酸和/或甲基丙烯酸树脂的表面层B，表面层B的厚度为0.1μm以上。

    IMAGE BEARING MEMBER, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
    8.
    发明申请
    IMAGE BEARING MEMBER, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE 有权
    图像轴承会员，图像形成装置和处理盒

    公开(公告)号：US20110159419A1

    公开(公告)日：2011-06-30

    申请号：US12979986

    申请日：2010-12-28

    申请人： Takafumi Iwamoto ,  Naohiro Toda

    发明人： Takafumi Iwamoto ,  Naohiro Toda

    IPC分类号： G03G15/00 ,  G03G21/18

    CPC分类号： G03G5/0614 ,  G03G5/0542 ,  G03G5/0546 ,  G03G5/0589 ,  G03G5/0672 ,  G03G5/071 ,  G03G2215/00957

    摘要： An image bearing member including an electroconductive substrate, a charge generation layer, a charge transport layer and, a cross-linked type charge transport layer, the cross-linked type charge transport layer having a structure unit deriving from a first component, a second component, and a third component, the first component containing a copolymer having a cyclic structure and/or a structure represented by a Chemical structure 1 as a repeating unit, where Ra represents a hydrogen atom or methyl group and Rb represents a straight-chained saturated aliphatic hydrocarbon group having 8 to 34 carbon atoms, the second component containing at least one of a radical polymerizable monomer and a radical polymerizable oligomer without a charge transport structure, and the third component containing one or more kinds of radical polymerizable compounds having a charge transport structure.

    摘要翻译： 包含导电性基体，电荷产生层，电荷输送层和交联型电荷输送层的图像承载部件，具有衍生自第一成分的结构单元的交联型电荷输送层，第二成分 和第三成分，第一成分含有具有环状结构的共聚物和/或由化学结构1表示的结构作为重复单元，其中Ra表示氢原子或甲基，Rb表示直链饱和脂肪族 具有8〜34个碳原子的烃基，第二成分含有自由基聚合性单体和不含电荷输送结构的自由基聚合性低聚物中的至少一种，第三成分含有一种以上具有电荷输送结构的自由基聚合性化合物 。

    IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
    10.
    发明申请
    IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE 审中-公开
    图像形成装置和处理盒

    公开(公告)号：US20140064810A1

    公开(公告)日：2014-03-06

    申请号：US13953949

    申请日：2013-07-30

    申请人： Takafumi Iwamoto ,  Hiroshi Ikuno ,  Tetsuya Toshine ,  Kazuhiro Egawa ,  Toshihiro Ishida ,  Yohta Sakon ,  Masahiro Ohmori ,  Naohiro Toda

    发明人： Takafumi Iwamoto ,  Hiroshi Ikuno ,  Tetsuya Toshine ,  Kazuhiro Egawa ,  Toshihiro Ishida ,  Yohta Sakon ,  Masahiro Ohmori ,  Naohiro Toda

    IPC分类号： G03G21/00 ,  G03G15/00 ,  G03G21/18

    CPC分类号： G03G21/0017

    摘要： An image forming apparatus includes an electrophotographic photoreceptor; and a cleaning blade. The electrophotographic photoreceptor includes an outermost layer having a ten-point average roughness Rz of from 0.5 to 2.4 μm and an average interval between concavities and convexities Sm of from 30 to 300 μm, and the cleaning blade includes a reed-shaped elastic blade having a contact point to the electrophotographic photoreceptor. The contact point includes a substrate; a mixed layer overlying the substrate, including a material forming the substrate and at least one of an acrylic resin and a methacrylic resin and having a thickness not less than 1.0 μm; and a surface layer overlying the mixed layer, including at least one of an acrylic resin and a methacrylic resin and having a thickness not less than 0.1 μm.

    摘要翻译： 图像形成装置包括电子照相感光体; 和清洁刮板。 电子照相感光体包括具有0.5〜2.4μm的十点平均粗糙度Rz和30〜300μm的凹凸Sm之间的平均间隔的最外层，并且清洁刮板包括：筘形弹性刮板，其具有 接触点到电子照相感光体。 接触点包括基底; 覆盖基板的混合层，包括形成基板的材料和丙烯酸树脂和甲基丙烯酸树脂中的至少一种，并且具有不小于1.0μm的厚度; 以及覆盖混合层的表层，包括丙烯酸树脂和甲基丙烯酸树脂中的至少一种，并且具有不小于0.1μm的厚度。