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    Electrophotographic photoreceptor, and process cartridge and image forming apparatus employing the same
    3.
    发明授权
    Electrophotographic photoreceptor, and process cartridge and image forming apparatus employing the same 有权
    电子照相感光体，以及处理盒和使用其的成像设备

    公开(公告)号：US08071266B2

    公开(公告)日：2011-12-06

    申请号：US11861395

    申请日：2007-09-26

    申请人： Kunihiro Ogura ,  Hirofumi Hayata ,  Masahiko Kurachi ,  Toshiyuki Fujita

    发明人： Kunihiro Ogura ,  Hirofumi Hayata ,  Masahiko Kurachi ,  Toshiyuki Fujita

    IPC分类号： G03G5/14

    CPC分类号： G03G5/0539 ,  G03G5/0592 ,  G03G5/0596 ,  G03G5/14726 ,  G03G5/14791 ,  G03G5/14795 ,  G03G2215/00957

    摘要： An objective is to provide a high releasing electrophotographic photoreceptor exhibiting lubricity and mechanical strength. The photoreceptor possessing a photosensitive layer on a conductive support, wherein an outermost layer of the photoreceptor comprises a fluorine resin represented by the following formula. wherein each of X, Y and Z represents a hydrogen atom, a halogen atom, a halogen-substituted alkyl group or a halogen-substituted alkoxy group; at least one of X, Y and Z represents a fluorine atom; each of R4, R5, R6 and R7 represents a hydrogen atom, a halogen atom or a halogen-substituted alkyl group; each of R1, R2, and R3 represents a hydrogen atom, a halogen atom or a halogen-substituted alkyl group; at least one of R1, R2, and R3 represents a fluorine atom; n1 represents an integer of 1-8000; and n2 represents an integer of 0-4000.

    摘要翻译： 目的是提供具有润滑性和机械强度的高释放电子照相感光体。 感光体在导电性载体上具有感光层，其中感光体的最外层包含由下式表示的氟树脂。 其中X，Y和Z各自表示氢原子，卤素原子，卤素取代的烷基或卤素取代的烷氧基; X，Y和Z中的至少一个表示氟原子; R4，R5，R6和R7各自表示氢原子，卤素原子或卤素取代的烷基; R 1，R 2和R 3各自表示氢原子，卤素原子或卤素取代的烷基; R 1，R 2和R 3中的至少一个表示氟原子; n1表示1-8000的整数; n2表示0〜4000的整数。

    Electrophotographic toner, and image forming method and image forming apparatus employing the same
    5.
    发明授权
    Electrophotographic toner, and image forming method and image forming apparatus employing the same 有权
    电子照相调色剂和图像形成方法以及使用其的图像形成装置

    公开(公告)号：US07977021B2

    公开(公告)日：2011-07-12

    申请号：US12047380

    申请日：2008-03-13

    申请人： Toshiyuki Fujita ,  Hirofumi Hayata ,  Masahiko Kurachi ,  Kunihiro Ogura

    发明人： Toshiyuki Fujita ,  Hirofumi Hayata ,  Masahiko Kurachi ,  Kunihiro Ogura

    IPC分类号： G03G15/04

    CPC分类号： G03G5/14704 ,  G03G5/14734 ,  G03G5/14791

    摘要： An objective is to provide an electrophotographic photoreceptor having a protective layer in which no unevenness is generated in a coated layer even though a coating solution containing a large addition amount of metal oxide is coated, mechanical strength of a protective layer is high; productivity is high with long life of the coating solution because of no sedimentation of metal oxide, electrical resistivity and mechanical strength are satisfactory, and metal oxide generating no coated layer defect together with no light scattering caused by dispersion failure is dispersed, and also to provide an image forming method and an image forming apparatus employing the electrophotographic photoreceptor. Also disclosed is an electrophotographic photoreceptor possessing a conductive support, at least a photosensitive layer and a protective layer, wherein the protective layer comprises rutile type titanium dioxide and anatase type titanium dioxide.

    摘要翻译： 目的是提供一种具有保护层的电子照相感光体，即使涂布含有大量添加量的金属氧化物的涂布溶液，保护层的机械强度高，在涂层中也不会产生不均匀性; 生产率高，涂层溶液寿命长，因为金属氧化物没有沉降，电阻率和机械强度都令人满意，分散失效引起的无光散射的金属氧化物不会发生涂层缺陷，而且不产生散射散射，并且还提供 图像形成方法和使用电子照相感光体的图像形成装置。 还公开了具有导电载体，至少感光层和保护层的电子照相感光体，其中保护层包含金红石型二氧化钛和锐钛矿型二氧化钛。

    Electrophotographic photoreceptor with two layer charge transfer layer, and apparatus utilizing the same
    6.
    发明授权
    Electrophotographic photoreceptor with two layer charge transfer layer, and apparatus utilizing the same 有权
    具有两层电荷转移层的电子照相感光体及其利用方法

    公开(公告)号：US07510809B2

    公开(公告)日：2009-03-31

    申请号：US11285415

    申请日：2005-11-21

    申请人： Chigusa Yamane ,  Keiichi Inagaki ,  Kunihiro Ogura

    发明人： Chigusa Yamane ,  Keiichi Inagaki ,  Kunihiro Ogura

    IPC分类号： G03G5/047 ,  G03G5/06

    CPC分类号： G03G5/0614 ,  G03G5/047 ,  G03G5/0507 ,  G03G5/0564 ,  G03G5/0605 ,  G03G5/0607 ,  G03G5/0616 ,  G03G5/0629 ,  G03G5/0666 ,  G03G5/0668 ,  G03G5/0672 ,  G03G5/14704 ,  G03G5/14713 ,  G03G5/14756

    摘要： An electrophotographic photoreceptor including a charge generating layer and a charge transfer layer accumulated on a support member, the charge transfer layer including at least two layers of a support side layer and a surface side layer, wherein the support side layer contains A mol/cm3 of charge mol/cm3 of charge transfer material having a dipolar moment of not more than 0.75 and inorganic particles having a number average primary particle diameter of 3-150 nm, wherein A and B satisfies relations of (1) and (2), 9.0×10−4>A>3.0×10−4  (1) 8.0×10−4>B>2.0×10−5  (2).

    摘要翻译： 一种电子照相感光体，包括积聚在支撑体上的电荷产生层和电荷转移层，所述电荷转移层包括至少两层支撑侧层和表面侧层，其中所述载体侧层含有Amol / cm 3 具有偶极矩不大于0.75的电荷转移材料的电荷mol / cm 3和数均一次粒径为3-150nm的无机颗粒，其中A和B满足（1）和（2）的关系， in-line-formula description =“In-line Formulas”end =“lead”？> 9.0x10-4> A> 3.0x10-4（1）<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line formula”end =“lead”？> 8.0x10-4> B> 2.0x10-5（2）<？ description =“内联公式”end =“tail”？>

    Electrophotographic photoreceptor, image forming method and image forming apparatus utilizing the same
    7.
    发明申请
    Electrophotographic photoreceptor, image forming method and image forming apparatus utilizing the same 有权
    电子照相感光体，图像形成方法及使用其的图像形成装置

    公开(公告)号：US20060216621A1

    公开(公告)日：2006-09-28

    申请号：US11285415

    申请日：2005-11-21

    申请人： Chigusa Yamane ,  Keiichi Inagaki ,  Kunihiro Ogura

    发明人： Chigusa Yamane ,  Keiichi Inagaki ,  Kunihiro Ogura

    IPC分类号： G03G9/087

    CPC分类号： G03G5/0614 ,  G03G5/047 ,  G03G5/0507 ,  G03G5/0564 ,  G03G5/0605 ,  G03G5/0607 ,  G03G5/0616 ,  G03G5/0629 ,  G03G5/0666 ,  G03G5/0668 ,  G03G5/0672 ,  G03G5/14704 ,  G03G5/14713 ,  G03G5/14756

    摘要： An electrophotographic photoreceptor including a charge generating layer and a charge transfer layer accumulated on a support member, the charge transfer layer including at least two layers of a support side layer and a surface side layer, wherein the support side layer contains A mol/cm3 of charge mol/cm3 of charge transfer material having a dipolar moment of not more than 0.75 and inorganic particles having a number average primary particle diameter of 3-150 nm, wherein A and B satisfies relations of (1) and (2), 9.0×10−4>A>3.0×10−4   (1) 8.0×10−4>B>2.0×10−5   (2)

    摘要翻译： 一种包含电荷产生层和电荷转移层的电子照相感光体，其积聚在支撑体上，所述电荷转移层包括至少两层支撑侧层和表面侧层，其中所述载体侧层含有A mol / 具有偶极矩不大于0.75的电荷转移材料的电荷mol / cm 3的SUP 3+和数均一次粒径为3-150nm的无机颗粒，其中 A和B满足（1）和（2）的关系，<？in-line-formula description =“In-line Formulas”end =“lead”？> 9.0x10 -4 > A> 3.0×10 -4（1）<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas “end =”lead“？> 8.0×10 -4 ... <2.0×10 -5（2）<？in-line-formula description =”在线公式 “end =”tail“？>