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1.发明授权Electrophotographic photoconductor, electrophotographic apparatus and process cartridge 有权电子照相感光体，电子照相设备和处理盒公开(公告)号：US08932787B2
公开(公告)日：2015-01-13
申请号：US13715322
申请日：2012-12-14
申请人： Eiji Kurimoto , Tadayoshi Uchida , Hideki Nakamura
发明人： Eiji Kurimoto , Tadayoshi Uchida , Hideki Nakamura
CPC分类号： G03G5/047 , G03G5/0614 , G03G5/0668 , G03G5/0672 , G03G5/144 , G03G21/18
摘要： An electrophotographic photoconductor including: an electroconductive substrate; an intermediate layer; and a photoconductive layer, the intermediate layer and the photoconductive layer being on the electroconductive substrate, wherein the intermediate layer includes an inorganic pigment and a binder resin, wherein a volume ratio of the inorganic pigment in the intermediate layer is 30% by volume to 50% by volume, wherein the inorganic pigment comprises titanium oxide and a content of the titanium oxide in the inorganic pigment is 70% by mass to 90% by mass, wherein the inorganic pigment has a specific surface area of 70 m2/g to 140 m2/g, and wherein the intermediate layer has a volume resistivity at an electrical field intensity of 2.5×105 V/cm of 5×1011 Ω·cm to 1×1013 Ω·cm.
摘要翻译： 一种电子照相感光体，包括：导电性基材; 中间层 所述中间层和所述光电导层位于所述导电性基体上，其中，所述中间层包含无机颜料和粘合剂树脂，其中，所述中间层中的无机颜料的体积比为30体积％〜50 体积比，其中，无机颜料包含氧化钛，无机颜料中的氧化钛的含量为70质量％〜90质量％，其中，无机颜料的比表面积为70m 2 / g〜140m 2 g，其中中间层的电场强度为2.5×10 5 V / cm，体积电阻率为5×1011＆OHgr。·cm〜1×1013＆OHgr·cm。
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2.发明申请公开(公告)号：US20130157181A1
公开(公告)日：2013-06-20
申请号：US13715322
申请日：2012-12-14
申请人： Eiji Kurimoto , Tadayoshi Uchida , Hideki Nakamura
发明人： Eiji Kurimoto , Tadayoshi Uchida , Hideki Nakamura
CPC分类号： G03G5/047 , G03G5/0614 , G03G5/0668 , G03G5/0672 , G03G5/144 , G03G21/18
摘要： An electrophotographic photoconductor including: an electroconductive substrate; an intermediate layer; and a photoconductive layer, the intermediate layer and the photoconductive layer being on the electroconductive substrate, wherein the intermediate layer includes an inorganic pigment and a binder resin, wherein a volume ratio of the inorganic pigment in the intermediate layer is 30% by volume to 50% by volume, wherein the inorganic pigment comprises titanium oxide and a content of the titanium oxide in the inorganic pigment is 70% by mass to 90% by mass, wherein the inorganic pigment has a specific surface area of 70 m2/g to 140 m2/g, and wherein the intermediate layer has a volume resistivity at an electrical field intensity of 2.5×105 V/cm of 5×1011 Ω·cm to 1×1013 Ω·cm.
摘要翻译： 一种电子照相感光体，包括：导电性基材; 中间层 所述中间层和所述光电导层位于所述导电性基体上，其中，所述中间层包含无机颜料和粘合剂树脂，其中，所述中间层中的无机颜料的体积比为30体积％〜50 体积比，其中，无机颜料包含氧化钛，无机颜料中的氧化钛的含量为70质量％〜90质量％，其中，无机颜料的比表面积为70m 2 / g〜140m 2 g，其中中间层的电场强度为5×10 11Ω·cm〜1×10 13Ω·cm的2.5×105V / cm的体积电阻率。
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公开(公告)号：US08278016B2
公开(公告)日：2012-10-02
申请号：US12480702
申请日：2009-06-09
申请人： Keisuke Shimoyama , Eiji Kurimoto , Takaaki Ikegami , Kohsuke Yamamoto , Tadayoshi Uchida , Takumi Shinohara , Hajime Suzuki
发明人： Keisuke Shimoyama , Eiji Kurimoto , Takaaki Ikegami , Kohsuke Yamamoto , Tadayoshi Uchida , Takumi Shinohara , Hajime Suzuki
IPC分类号： G03G5/06
CPC分类号： G03G5/0517 , G03G5/0605 , G03G5/0609 , G03G5/0611 , G03G5/0614 , G03G5/0668 , G03G5/0672
摘要： An electrophotographic photoconductor including an electroconductive support and a photoconductive layer provided thereon, wherein the photoconductive layer includes a charge generating material, an electron transporting material and a hole transporting material, the electron transporting material being a diphenoquinone compound represented by formula (1) described herein, the hole transporting material being a compound represented by formula (2) described herein.
摘要翻译： 一种电子照相感光体，包括导电载体和设置在其上的光电导层，其中光电导层包括电荷产生材料，电子传输材料和空穴传输材料，电子传输材料是本文所述的由式（1）表示的联苯醌化合物 ，空穴传输材料是由本文所述的式（2）表示的化合物。
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公开(公告)号：US20200233325A1
公开(公告)日：2020-07-23
申请号：US16742952
申请日：2020-01-15
申请人： Hideki Nakamura , Tadayoshi Uchida , Shuya Sugimoto , Mitsuaki Hirose , Noboru Toriu , Kaori Harada
发明人： Hideki Nakamura , Tadayoshi Uchida , Shuya Sugimoto , Mitsuaki Hirose , Noboru Toriu , Kaori Harada
摘要： An electrophotographic photoconductor is provided that includes a conductive substrate, an undercoat layer overlying the conductive substrate, and a photosensitive layer overlying the undercoat layer. The undercoat layer contains zinc oxide particles and a binder resin and has a volume resistivity of 0.03×106 Ω·cm or less in an electrical field of 5 V/μm at a temperature of 23 degrees C. and a relative humidity of 55%. The photosensitive layer contains a compound represented by the following general formula (1): where each of R1 to R3 independently represents a hydrogen atom, a halogen atom, an alkyl group having 1 to 6 carbon atoms which may have a substituent, or a substituted or unsubstituted aryl group having 6 to 12 carbon atoms.
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公开(公告)号：US11016403B2
公开(公告)日：2021-05-25
申请号：US16742952
申请日：2020-01-15
申请人： Hideki Nakamura , Tadayoshi Uchida , Shuya Sugimoto , Mitsuaki Hirose , Noboru Toriu , Kaori Harada
发明人： Hideki Nakamura , Tadayoshi Uchida , Shuya Sugimoto , Mitsuaki Hirose , Noboru Toriu , Kaori Harada
摘要： An electrophotographic photoconductor is provided that includes a conductive substrate, an undercoat layer overlying the conductive substrate, and a photosensitive layer overlying the undercoat layer. The undercoat layer contains zinc oxide particles and a binder resin and has a volume resistivity of 0.03×106 Ω·cm or less in an electrical field of 5 V/μm at a temperature of 23 degrees C. and a relative humidity of 55%. The photosensitive layer contains a compound represented by the following general formula (1): where each of R1 to R3 independently represents a hydrogen atom, a halogen atom, an alkyl group having 1 to 6 carbon atoms which may have a substituent, or a substituted or unsubstituted aryl group having 6 to 12 carbon atoms.
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公开(公告)号：US09535344B2
公开(公告)日：2017-01-03
申请号：US14974463
申请日：2015-12-18
申请人： Noboru Toriu , Hideki Nakamura , Tadayoshi Uchida , Hiroki Orii
发明人： Noboru Toriu , Hideki Nakamura , Tadayoshi Uchida , Hiroki Orii
IPC分类号： G03G5/04
CPC分类号： G03G5/04 , G03G5/05 , G03G5/0507 , G03G5/147 , G03G5/14704
摘要： A photoconductor is used for an image-forming apparatus, and the photoconductor has a surface including irregularities having an arithmetic average roughness of 0.1 μm or more and 0.5 μm or less in a cycle length from 867 to 1,654 μm.
摘要翻译： 光电导体用于图像形成装置，并且光电导体具有包括在867至1,654μm的周期长度上具有0.1μm以上且0.5μm以下的算术平均粗糙度的凹凸的表面。
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公开(公告)号：US20070148574A1
公开(公告)日：2007-06-28
申请号：US10584348
申请日：2004-12-21
申请人： Hajime Suzuki , Tadayoshi Uchida , Ryoji Kobayashi
发明人： Hajime Suzuki , Tadayoshi Uchida , Ryoji Kobayashi
CPC分类号： G03G5/0672 , G03G5/0614 , G03G5/0668 , G03G5/142
摘要： An electrophotographic photoreceptor that without detriment to excellent electrophotographic performance, realizes coating of any defects on a conductive substrate and excels in repetition stability and environmental performance. There is provided an electrophotographic photoreceptor having a photoreceptive layer superimposed via an undercoat layer on a conductive support, characterized in that the undercoat layer contains a polyimide resin and that at least one of the compounds of the following formulae is contained as a charge transfer agent of the photoreceptive layer.
摘要翻译： 不损害电子照相性能的电子照相感光体实现导电性基材上的任何缺陷的涂布，并具有优异的重复稳定性和环境性能。 提供一种电子照相感光体，其具有通过导电性载体上的底涂层叠加的感光层，其特征在于，底涂层含有聚酰亚胺树脂，并且含有下列化合物中的至少一种作为电荷转移剂 感光层。
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8.发明授权公开(公告)号：US08257891B2
公开(公告)日：2012-09-04
申请号：US12684545
申请日：2010-01-08
申请人： Naoki Nakatake , Atsushi Takehara , Toshihiko Koizumi , Tsuyoshi Ueda , Tadayoshi Uchida , Hajime Suzuki
发明人： Naoki Nakatake , Atsushi Takehara , Toshihiko Koizumi , Tsuyoshi Ueda , Tadayoshi Uchida , Hajime Suzuki
IPC分类号： G03G5/06
CPC分类号： G03G15/751 , G03G5/047 , G03G5/0514 , G03G5/0517 , G03G5/0521 , G03G5/0614 , G03G5/0672
摘要： To provide an electrophotographic photoconductor including: a substrate; a charge generating layer; and a charge transporting layer, the charge generating layer and the charge transporting layer being disposed over the substrate, wherein the charge transporting layer contains a charge transporting material represented by General Formula (I) below and an additive represented by General Formula (II) below: where R1, R2 and R3 each independently denote any one of a hydrogen atom, a halogen atom, an alkyl group which may contain a substituent, and an alkoxy group which may contain a substituent, where R4 and R5 each denote a tertiary butyl group, and R6 and R7 each independently denote one of an alkyl group which may contain a substituent, and an aryl group which may contain a substituent.
摘要翻译： 提供一种电子照相感光体，包括：基材; 电荷产生层; 电荷传输层，电荷产生层和电荷输送层设置在基板上，其中电荷输送层含有下述通式（I）表示的电荷输送材料和下述通式（II）表示的添加剂 其中R 1，R 2和R 3各自独立地表示氢原子，卤素原子，可以含有取代基的烷基中的任一个，和可以含有取代基的烷氧基，其中R 4和R 5各自表示叔丁基 ，R6和R7各自独立地表示可以含有取代基的烷基和可以含有取代基的芳基。
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公开(公告)号：US20070154826A1
公开(公告)日：2007-07-05
申请号：US10587169
申请日：2004-12-21
申请人： Hajime Suzuki , Tadayoshi Uchida , Ryoji Kobayashi
发明人： Hajime Suzuki , Tadayoshi Uchida , Ryoji Kobayashi
CPC分类号： C09B23/14 , C09B23/141 , C09B47/045 , C09B47/085 , C09B67/0026 , G03G5/0696 , G03G5/142
摘要： The present invention relates to an electrophotographic photoreceptor used for electrophotographic apparatuses such as copying machines, LED, LD printers, etc. and particularly to an electrophotographic photoreceptor which has an undercoat layer and uses an organic photoconductive material, and an electrophotographic apparatus provided with the photoreceptor.
摘要翻译： 本发明涉及用于诸如复印机，LED，LD打印机等的电子照相设备的电子照相感光体，特别涉及具有底涂层和使用有机光电导材料的电子照相感光体，以及设置有感光体的电子照相设备 。
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10.发明申请公开(公告)号：US20100178074A1
公开(公告)日：2010-07-15
申请号：US12684545
申请日：2010-01-08
申请人： Naoki NAKATAKE , Atsushi Takehara , Toshihiko Koizumi , Tsuyoshi Ueda , Tadayoshi Uchida , Hajime Suzuki
发明人： Naoki NAKATAKE , Atsushi Takehara , Toshihiko Koizumi , Tsuyoshi Ueda , Tadayoshi Uchida , Hajime Suzuki
CPC分类号： G03G15/751 , G03G5/047 , G03G5/0514 , G03G5/0517 , G03G5/0521 , G03G5/0614 , G03G5/0672
摘要： To provide an electrophotographic photoconductor including: a substrate; a charge generating layer; and a charge transporting layer, the charge generating layer and the charge transporting layer being disposed over the substrate, wherein the charge transporting layer contains a charge transporting material represented by General Formula (I) below and an additive represented by General Formula (II) below: where R1, R2 and R3 each independently denote any one of a hydrogen atom, a halogen atom, an alkyl group which may contain a substituent, and an alkoxy group which may contain a substituent, where R4 and R5 each denote a tertiary butyl group, and R6 and R7 each independently denote one of an alkyl group which may contain a substituent, and an aryl group which may contain a substituent.
摘要翻译： 提供一种电子照相感光体，包括：基材; 电荷产生层; 电荷传输层，电荷产生层和电荷输送层设置在基板上，其中电荷输送层含有下述通式（I）表示的电荷输送材料和下述通式（II）表示的添加剂 其中R 1，R 2和R 3各自独立地表示氢原子，卤素原子，可以含有取代基的烷基中的任一个，和可以含有取代基的烷氧基，其中R 4和R 5各自表示叔丁基 ，R6和R7各自独立地表示可以含有取代基的烷基和可以含有取代基的芳基。
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