公开(公告)号：US20220342327A1

公开(公告)日：2022-10-27

申请号：US17753668

申请日：2020-07-21

申请人： Hidetoshi Kami ,  Tomoharu Asano ,  Masayuki Ishii ,  Ryota Inoue

发明人： Hidetoshi Kami ,  Tomoharu Asano ,  Masayuki Ishii ,  Ryota Inoue

IPC分类号： G03G5/147 ,  G03G5/05

摘要： An electronic device includes: a support; a charge-transporting layer including a charge-transporting material, or a sensitizing-dye electrode layer including a sensitizing dye, where the charge-transporting layer or the sensitizing-dye electrode layer is disposed on or above the support; and a metal oxide layer disposed on or above the charge-transporting layer or the sensitizing-dye electrode layer. The metal oxide layer includes p-type semiconductor metal oxide and silica or metal oxide particles, and an amount of the silica or metal oxide particles included in the metal oxide layer is 0.5% by mass or greater but 1.5% by mass or less, relative to the metal oxide layer.

公开(公告)号：US10466604B2

公开(公告)日：2019-11-05

申请号：US16025351

申请日：2018-07-02

申请人： Tetsuya Toshine ,  Mitsuaki Hirose ,  Tomoharu Asano

发明人： Tetsuya Toshine ,  Mitsuaki Hirose ,  Tomoharu Asano

IPC分类号： G03G5/14

摘要： Provided is an electrophotographic photoconductor including: a conductive support; an undercoat layer; and a photoconductive layer, wherein the undercoat layer and the photoconductive layer are provided over the conductive support in the order of reciting, wherein the undercoat layer contains at least metal oxide particles, a binder, and a salicylic acid derivative such as 4-methylsalicylic acid, wherein the metal oxide particles have a volume resistivity of 1×105 Ω·cm or higher but 1×108 Ω·cm or lower, wherein the undercoat layer has a volume resistivity of 0.001×106 Ω·cm or higher but 0.02×106 Ω·cm or lower, and wherein the undercoat layer has a thickness of 2 micrometers or greater but 20 micrometers or less.

公开(公告)号：US20140234763A1

公开(公告)日：2014-08-21

申请号：US14174279

申请日：2014-02-06

申请人： Akihiro SUGINO ,  Keisuke Shimoyama ,  Tomoharu Asano ,  Hidetoshi Kami ,  Nobutaka Eguchi ,  Kazuhiro Egawa ,  Tomoyuki Shimada ,  Ryota Arai ,  Masayoshi Nomura

发明人： Akihiro SUGINO ,  Keisuke Shimoyama ,  Tomoharu Asano ,  Hidetoshi Kami ,  Nobutaka Eguchi ,  Kazuhiro Egawa ,  Tomoyuki Shimada ,  Ryota Arai ,  Masayoshi Nomura

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

CPC分类号： G03G21/0094

摘要： An image forming apparatus includes an image bearing member having a photosensitive layer and a sub-surface layer having a charge transportability, overlying the photosensitive layer wherein the sub-surface layer is formed of a cured material formed of a radical polymerizable monomer having three or more functional groups with no charge transport structure and a radical polymerizable compound having a charge transport structure, wherein the arithmetical mean roughness WRa of about each of frequency components of HMH, HML, and HLH obtained by wavelet conversion of values measured by a surface texture and the contour form measuring device ranges from 0.0002 μm to 0.005 μm and WRa (LLH) is 0.05 μm or less, wherein the sub-surface layer contains at least one of a particular oxazole compound or a particular diamine compound.

摘要翻译： 图像形成装置包括具有感光层和具有电荷传输性的子表面层的图像承载部件，覆盖在感光层上，其中所述子表面层由具有三个或更多个自由基聚合单体形成的固化材料形成 没有电荷传输结构的官能团和具有电荷传输结构的自由基聚合性化合物，其中，通过由表面纹理测量的值通过小波变换获得的大约HMH，HML和HLH的每个频率分量的算术平均粗糙度WRa和 轮廓形状测量装置的范围为0.0002μm至0.005μm，WRa（LLH）为0.05μm以下，其中，所述表面下层含有特定的恶唑化合物或特定的二胺化合物中的至少一种。

公开(公告)号：US08383305B2

公开(公告)日：2013-02-26

申请号：US12842521

申请日：2010-07-23

申请人： Akihiro Sugino ,  Tomoharu Asano ,  Keisuke Shimoyama

发明人： Akihiro Sugino ,  Tomoharu Asano ,  Keisuke Shimoyama

IPC分类号： G03G5/147

CPC分类号： G03G5/14773 ,  G03G5/0525 ,  G03G5/0546 ,  G03G5/0592 ,  G03G5/071 ,  G03G5/14786 ,  G03G5/14791 ,  G03G5/14795 ,  G03G21/0094

摘要： An image forming apparatus including a latent image bearing member, a charging device, a latent electrostatic image formation device, a development device, a transfer device, and a lubricant supplying device, the latent image bearing member satisfying (I), (II) and (III): |(A1−B1)−(A2−B2)|≦5.0  (I) B1≧1 (atomic %)  (II) 1 (nm)≦X≦30 (nm)  (III), where, by XPS analysis, A1 and B1 represent oxygen and silicon atom content ratio in a cross-linked surface layer, respectively, A2 represents oxygen atom content ratio in a surface dug through a cross-linked surface layer along a direction perpendicular to the latent image bearing member surface, to an electroconductive substrate at depth point X where B1 decreases to not greater than B1×0.5, and B2 represents the silicone atom content ratio in the surface at X.

摘要翻译： 一种包括潜像承载部件，充电装置，静电潜像形成装置，显影装置，转印装置和润滑剂供应装置的图像形成装置，所述潜像承载部件满足（I），（II）和 （III）：|（A1-B1） - （A2-B2）|＆nlE; 5.0（I）B1≥1（原子％）（II）1（nm）＆nlE; X＆ 通过XPS分析，A1和B1分别表示交联表面层中的氧和硅原子含量比，A2表示通过交联表面层沿垂直于潜像的方向挖出的表面中的氧原子含量比 轴承构件表面，在深度点X处的导电基底，其中B1降低到不大于B1×0.5，B2表示X表面中的硅酮原子含量比。

公开(公告)号：US20120163860A1

公开(公告)日：2012-06-28

申请号：US13329525

申请日：2011-12-19

申请人： Keisuke Shimoyama ,  Hiroshi Ikuno ,  Tetsuya Toshine ,  Tomoharu Asano ,  Yasuhito Kuboshima ,  Yuuji Tanaka

发明人： Keisuke Shimoyama ,  Hiroshi Ikuno ,  Tetsuya Toshine ,  Tomoharu Asano ,  Yasuhito Kuboshima ,  Yuuji Tanaka

IPC分类号： G03G21/16 ,  G03G15/00 ,  G03G5/04 ,  G03G13/00

CPC分类号： G03G5/0614 ,  G03G5/0592 ,  G03G5/071 ,  G03G5/14704 ,  G03G5/14791 ,  G03G5/14795

摘要： An image bearing member having an electroconductive substrate, a photosensitive layer overlying the electroconductive layer, and a cross-linked surface layer overlying the photosensitive layer, which contains a cross-linked polymer and a first compound consisting essentially of a nitrogen atom and a phenyl group, biphenyl group, and condensed polycyclic hydrocarbon group, or a second compound consisting essentially of a nitrogen atom and hydrogen atoms, halogen atoms, alkyl groups, alkoxy groups, or aryl groups, substituted or non-substituted alkyl groups, substituted or non-substituted alkoxy groups, substituted or non-substituted aralkyl groups, substituted or non-substituted aryl group, substituted or non-substituted alkylene groups, cyano groups, nitro groups, or —OCO═CH2R16, in which R16 represents a hydrogen atom, a substituted or non-substituted alkyl group, a substituted or non-substituted alkoxy group, or a substituted or non-substituted aryl group.

摘要翻译： 具有导电性基体的图像承载部件，覆盖导电层的感光层和覆盖感光层的交联表面层，其含有交联聚合物和基本上由氮原子和苯基组成的第一化合物 ，联苯基和稠合多环烃基，或基本上由氮原子和氢原子组成的第二化合物，卤素原子，烷基，烷氧基或芳基，取代或未取代的烷基，取代或未取代的 烷氧基，取代或未取代的芳烷基，取代或未取代的芳基，取代或未取代的亚烷基，氰基，硝基或-OCO = CH 2 R 16，其中R 16表示氢原子，取代或未取代的芳基， 未取代的烷基，取代或未取代的烷氧基，或取代或未取代的芳基。

公开(公告)号：US08798487B2

公开(公告)日：2014-08-05

申请号：US13348062

申请日：2012-01-11

申请人： Tomoharu Asano ,  Takaaki Ikegami ,  Michio Kimura

发明人： Tomoharu Asano ,  Takaaki Ikegami ,  Michio Kimura

IPC分类号： G03G15/00

CPC分类号： G03G15/5037 ,  G03G15/553 ,  G03G21/1671

摘要： An image forming apparatus having an image bearing member, a charger to charge the surface of the image bearing member, an irradiator to irradiate the image bearing member to form the latent image, a developing device to develop the latent electrostatic image with toner to obtain a visible image, a transfer device to transfer the visible image to a transfer medium by a transfer bias applied to a transfer area between the image bearing member and the transfer member, and a voltage detector to measure a first surface voltage and a second surface voltage under different conditions, and a life expectancy identification device to identify whether or when the expected working life of the image bearing member has come to the end based on a comparison of the first surface voltage and the second surface voltage.

摘要翻译： 一种具有图像承载部件的图像形成装置，对图像承载部件的表面充电的充电器，用于照射图像承载部件以形成潜像的照射器，用调色剂显影静电潜像的显影装置， 可见图像，通过施加到图像承载部件和转印部件之间的转印区域的转印偏压将可见图像转印到转印介质的转印装置，以及电压检测器，用于测量第一表面电压和第二表面电压 不同的条件，以及预期寿命识别装置，用于基于第一表面电压和第二表面电压的比较来确定图像承载部件的预期使用寿命是否或何时已经到了最后。

公开(公告)号：US08652717B2

公开(公告)日：2014-02-18

申请号：US13329525

申请日：2011-12-19

申请人： Keisuke Shimoyama ,  Hiroshi Ikuno ,  Tetsuya Toshine ,  Tomoharu Asano ,  Yasuhito Kuboshima ,  Yuuji Tanaka

发明人： Keisuke Shimoyama ,  Hiroshi Ikuno ,  Tetsuya Toshine ,  Tomoharu Asano ,  Yasuhito Kuboshima ,  Yuuji Tanaka

IPC分类号： G03G15/04

CPC分类号： G03G5/0614 ,  G03G5/0592 ,  G03G5/071 ,  G03G5/14704 ,  G03G5/14791 ,  G03G5/14795

摘要： An image bearing member having an electroconductive substrate, a photosensitive layer overlying the electroconductive layer, and a cross-linked surface layer overlying the photosensitive layer, which contains a cross-linked polymer and a first compound consisting essentially of a nitrogen atom and a phenyl group, biphenyl group, and condensed polycyclic hydrocarbon group, or a second compound consisting essentially of a nitrogen atom and hydrogen atoms, halogen atoms, alkyl groups, alkoxy groups, or aryl groups, substituted or non-substituted alkyl groups, substituted or non-substituted alkoxy groups, substituted or non-substituted aralkyl groups, substituted or non-substituted aryl group, substituted or non-substituted alkylene groups, cyano groups, nitro groups, or —OCO═CH2R16, in which R16 represents a hydrogen atom, a substituted or non-substituted alkyl group, a substituted or non-substituted alkoxy group, or a substituted or non-substituted aryl group.

摘要翻译： 具有导电性基体的图像承载部件，覆盖导电层的感光层和覆盖感光层的交联表面层，其含有交联聚合物和基本上由氮原子和苯基组成的第一化合物 ，联苯基和稠合多环烃基，或基本上由氮原子和氢原子组成的第二化合物，卤素原子，烷基，烷氧基或芳基，取代或未取代的烷基，取代或未取代的 烷氧基，取代或未取代的芳烷基，取代或未取代的芳基，取代或未取代的亚烷基，氰基，硝基或-OCO = CH2R16，其中R16表示氢原子，取代或未取代的芳基 未取代的烷基，取代或未取代的烷氧基，或取代或未取代的芳基。

公开(公告)号：US08647798B2

公开(公告)日：2014-02-11

申请号：US13556577

申请日：2012-07-24

申请人： Tomoharu Asano ,  Hiroshi Ikuno ,  Akihiro Sugino ,  Hideo Nakamori ,  Mitsuaki Hirose

发明人： Tomoharu Asano ,  Hiroshi Ikuno ,  Akihiro Sugino ,  Hideo Nakamori ,  Mitsuaki Hirose

IPC分类号： G03G5/07

CPC分类号： G03G15/75 ,  G03G5/0614 ,  G03G5/071 ,  G03G5/14734 ,  G03G5/14786 ,  G03G5/14791 ,  G03G5/14795

摘要： A photoreceptor including an electroconductive substrate; a photosensitive layer on the electroconductive substrate; and a protection layer on the photosensitive layer, wherein the protection layer includes a radical polymerizable compound having three or more radical polymerizable groups without a charge transportable group, a monofunctional radical polymerizable compound having a specific charge transportable group and a non-radical polymerizable compound having a specific charge transportable group.

摘要翻译： 包含导电基片的感光体; 在导电基底上的感光层; 以及感光层上的保护层，其中保护层包括具有三个或更多个自由基聚合基团而不具有电荷输送性基团的自由基聚合性化合物，具有特定电荷输送性基团的单官能团自由基聚合性化合物和具有 一个具体的电费可运输组。

公开(公告)号：US20130059242A1

公开(公告)日：2013-03-07

申请号：US13556577

申请日：2012-07-24

申请人： Tomoharu Asano ,  Hiroshi Ikuno ,  Akihiro Sugino ,  Hideo Nakamori ,  Mitsuaki Hirose

发明人： Tomoharu Asano ,  Hiroshi Ikuno ,  Akihiro Sugino ,  Hideo Nakamori ,  Mitsuaki Hirose

IPC分类号： G03G15/00 ,  G03G21/18

CPC分类号： G03G15/75 ,  G03G5/0614 ,  G03G5/071 ,  G03G5/14734 ,  G03G5/14786 ,  G03G5/14791 ,  G03G5/14795

摘要： A photoreceptor including an electroconductive substrate; a photosensitive layer on the electroconductive substrate; and a protection layer on the photosensitive layer, wherein the protection layer includes a radical polymerizable compound having three or more radical polymerizable groups without a charge transportable group, a monofunctional radical polymerizable compound having a specific charge transportable group and a non-radical polymerizable compound having a specific charge transportable group.

摘要翻译： 包含导电基片的感光体; 在导电基底上的感光层; 以及感光层上的保护层，其中保护层包括具有三个或更多个自由基聚合基团而不具有电荷输送性基团的自由基聚合性化合物，具有特定电荷输送性基团的单官能团自由基聚合性化合物和具有 一个具体的电费可运输组。

公开(公告)号：US20130022902A1

公开(公告)日：2013-01-24

申请号：US13548559

申请日：2012-07-13

申请人： Keisuke Shimoyama ,  Hideo Nakamori ,  Noboru Toriu ,  Mitsuaki Hirose ,  Tomoharu Asano

发明人： Keisuke Shimoyama ,  Hideo Nakamori ,  Noboru Toriu ,  Mitsuaki Hirose ,  Tomoharu Asano

IPC分类号： G03G5/047 ,  G03G21/16 ,  G03G13/06 ,  G03G15/00

CPC分类号： G03G5/0631 ,  G03G5/0614 ,  G03G5/071 ,  G03G5/14704 ,  G03G5/14717 ,  G03G5/14791

摘要： An electrophotographic photoreceptor including an electroconductive substrate; a charge generation layer located overlying the electroconductive substrate; a charge transport layer located overlying the charge generation layer; and an outermost layer located overlying the charge transport layer. The charge transport layer includes a positive hole transport material having the following formula (1): wherein each of R1 to R26 independently represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or an alkoxyl group having 1 to 4 carbon atoms, and a compound having the following formula (2): wherein each of R27 and R28 independently represents a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group.

摘要翻译： 包含导电基片的电子照相感光体; 位于导电基板上方的电荷产生层; 位于电荷产生层上方的电荷传输层; 以及位于电荷输送层上方的最外层。 电荷传输层包括具有下式（1）的空穴传输材料：其中R 1至R 26各自独立地表示氢原子，具有1至4个碳原子的烷基或具有1至4个碳原子的烷氧基 和具有下式（2）的化合物：其中R 27和R 28各自独立地表示取代或未取代的烷基或取代或未取代的芳基。