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1.发明授权公开(公告)号：US08956793B2
公开(公告)日：2015-02-17
申请号：US13584069
申请日：2012-08-13
申请人： Kenta Ide , Kosuke Narita , Akihiro Kawasaki , Satoya Sugiura , Akihiro Nonaka , Hirofumi Nakamura , Kazuhiro Koseki , Shigeto Hashiba
发明人： Kenta Ide , Kosuke Narita , Akihiro Kawasaki , Satoya Sugiura , Akihiro Nonaka , Hirofumi Nakamura , Kazuhiro Koseki , Shigeto Hashiba
IPC分类号： G03G5/14
CPC分类号： G03G5/047 , G03G5/0605 , G03G5/0609 , G03G5/0614 , G03G5/0672 , G03G5/142 , G03G5/144 , G03G15/75 , G03G21/06
摘要： An electrophotographic photoreceptor includes a conductive support, an undercoat layer that is provided on the conductive support and that has a thickness of from 15 μm to 40 μm and has light transmittance of 20% or less with respect to light having a wavelength of 450 nm when the thickness is at least 15 μm, a charge generation layer that is provided on the undercoat layer, and a charge transport layer that is provided on the charge generation layer and that has a thickness of from 15 μm to 40 μm and has light transmittance of 30% or less with respect to light having a wavelength of 450 nm when the thickness is at least 15 μm.
摘要翻译： 电子照相感光体包括：导电性支持体，设置在导电性支持体上的底涂层，其厚度为15μm〜40μm，相对于波长450nm的光的透光率为20％以下。 厚度至少为15μm，设置在底涂层上的电荷产生层和电荷传输层，其设置在电荷产生层上，并且具有15μm至40μm的厚度，并且具有透光率 当厚度至少为15μm时，相对于波长为450nm的光为30％以下。
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2.发明授权公开(公告)号：US08808953B2
公开(公告)日：2014-08-19
申请号：US13561535
申请日：2012-07-30
申请人： Satoya Sugiura , Shigeto Hashiba , Kazuhiro Koseki , Hirofumi Nakamura , Kenta Ide , Akihiro Nonaka , Kosuke Narita , Akihiro Kawasaki
发明人： Satoya Sugiura , Shigeto Hashiba , Kazuhiro Koseki , Hirofumi Nakamura , Kenta Ide , Akihiro Nonaka , Kosuke Narita , Akihiro Kawasaki
IPC分类号： G03G5/14
CPC分类号： G03G5/144 , G03G5/0539 , G03G5/0542 , G03G5/0564 , G03G5/0614 , G03G5/0696 , G03G5/142 , G03G5/14708 , G03G5/14756 , G03G15/75
摘要： An electrophotographic photoreceptor includes a conductive support, and an undercoat layer, a charge generation layer, and a charge transport layer that are provided in this order on the conductive support, wherein the undercoat layer includes at least metallic oxide particles, a reactive acceptor substance including an anthraquinone structure expressed by the following Formula 1, and a binder resin, the charge generation layer includes hydroxygallium phthalocyanine as a charge generation material, and a reflectance of incident light having a wavelength of 780 nm on a surface of the charge generation layer when the charge transport layer is removed is 17% or greater: wherein the anthraquinone structure expressed by Formula 1 is bonded to another structure at a position of *, and thus forms the reactive acceptor substance, and in Formula 1, n1 represents an integer of 1 to 7.
摘要翻译： 电子照相感光体包括在导电性支持体上依次设置的导电性支持体，底涂层，电荷产生层和电荷输送层，其中，底涂层至少包含金属氧化物粒子，反应性受体物质，包括 由下式1表示的蒽醌结构和粘合剂树脂，电荷产生层包括作为电荷产生材料的羟基镓酞菁和当电荷产生层表面上具有780nm波长的入射光的反射率时 电荷输送层除去17％以上：式中，由式1表示的蒽醌结构与*结合，形成反应性受体物质，式1中，n1表示1〜 7。
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公开(公告)号：US08877412B2
公开(公告)日：2014-11-04
申请号：US13554587
申请日：2012-07-20
申请人： Kenta Ide , Kosuke Narita , Hirofumi Nakamura , Kazuhiro Koseki , Akihiro Kawasaki , Shigeto Hashiba , Takahiro Suzuki
发明人： Kenta Ide , Kosuke Narita , Hirofumi Nakamura , Kazuhiro Koseki , Akihiro Kawasaki , Shigeto Hashiba , Takahiro Suzuki
CPC分类号： G03G5/0564 , G03G5/0539 , G03G5/0542 , G03G5/0614 , G03G5/0696 , G03G5/142 , G03G5/144 , G03G5/14708 , G03G5/14756 , G03G15/75 , G03G21/06
摘要： An image forming apparatus includes at least an electrophotographic photoreceptor having at least a conductive support, an undercoat layer, and a photosensitive layer; a charging device that charges the surface of the electrophotographic photoreceptor in a contact charging mode, in which only DC voltage is applied; an electrostatic latent image forming device that exposes the surface of the charged electrophotographic photoreceptor to form an electrostatic latent image; a developing device that develops the electrostatic latent image by a developer to form a toner image; and a transfer device that directly transfers the toner image from the electrophotographic photoreceptor to a transfer medium; and does not include an erasing device for erasing the surface of the electrophotographic photoreceptor after the toner image is transferred onto the transfer medium by the transfer device and before the surface of the electrophotographic photoreceptor is charged by the charging device.
摘要翻译： 图像形成装置至少包括具有至少导电性支持体，底涂层和感光层的电子照相感光体; 充电装置，其以仅施加直流电压的接触充电模式对电子照相感光体的表面进行充电; 静电潜像形成装置，其使所述带电电子照相感光体的表面露出，形成静电潜像; 显影装置，其通过显影剂显影静电潜像以形成调色剂图像; 以及将调色剂图像直接从电子照相感光体转印到转印介质的转印装置; 并且在调色剂图像通过转印装置转印到转印介质上之后并且在通过充电装置对电子照相感光体的表面进行充电之前，不包括用于擦除电子照相感光体的表面的擦除装置。
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4.发明申请公开(公告)号：US20110217640A1
公开(公告)日：2011-09-08
申请号：US12858967
申请日：2010-08-18
申请人： Shigeto Hashiba , Kazuhiro Koseki , Satoya Sugiura , Kenta Ide , Fuyuki Kano
发明人： Shigeto Hashiba , Kazuhiro Koseki , Satoya Sugiura , Kenta Ide , Fuyuki Kano
摘要： An electrophotographic photoconductor includes a base, an undercoat layer that contains a metal oxide and an electron-accepting material and has a thickness of about 3 μm or more and about 15 μm or less, and a photosensitive layer containing a polymer having a repeating unit represented by general formula (1) where R1 and R2 each independently represent a halogen atom, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 5 to 7 carbon atoms, or an aryl group having 6 to 12 carbon atoms; and m and n each independently represent an integer of 0 to 4.
摘要翻译： 电子照相感光体包括基材，含有金属氧化物和电子接受材料的底涂层，其厚度为约3μm以上且约15μm以下，感光层含有具有重复单元的聚合物 通式（1）其中R 1和R 2各自独立地表示卤素原子，具有1至6个碳原子的烷基，具有5至7个碳原子的环烷基或具有6至12个碳原子的芳基; m和n分别独立地表示0〜4的整数。
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5.发明授权Electrophotographic photoreceptor, process cartridge and image forming apparatus 有权电子照相感光体，处理盒和成像设备公开(公告)号：US08492059B2
公开(公告)日：2013-07-23
申请号：US12582280
申请日：2009-10-20
申请人： Shigeto Hashiba , Kazuhiro Koseki , Kaori Iemura , Kenta Ide , Satoya Sugiura , Fuyuki Kano , Kazuyuki Nakamura
发明人： Shigeto Hashiba , Kazuhiro Koseki , Kaori Iemura , Kenta Ide , Satoya Sugiura , Fuyuki Kano , Kazuyuki Nakamura
IPC分类号： G03G5/147
CPC分类号： G03G5/14704 , G03G5/0507 , G03G5/051 , G03G5/0539 , G03G5/142 , G03G5/144 , G03G5/14708 , G03G5/14726
摘要： An electrophotographic photoreceptor, includes: a conductive support; and a photosensitive layer provided on or above the conductive support, the photosensitive layer including an outermost surface layer at the farthest location from the conductive support, wherein the outermost surface layer contains: coated insulating inorganic particles obtained by subjecting insulating inorganic particles having a specific surface area of not more than about 300 m2/g to a coating treatment with an aromatic functional group-containing compound; and fluorine-containing organic particles.
摘要翻译： 电子照相感光体包括：导电性支持体; 以及设置在所述导电支撑体上或上方的感光层，所述感光层包含距离所述导电支撑体最远位置处的最外表面层，其中所述最外表面层包含：通过对具有特定表面的绝缘无机颗粒 对于含有芳香族官能团的化合物的涂布处理，面积不超过约300m 2 / g; 和含氟有机颗粒。
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6.发明授权公开(公告)号：US08574797B2
公开(公告)日：2013-11-05
申请号：US12858967
申请日：2010-08-18
申请人： Shigeto Hashiba , Kazuhiro Koseki , Satoya Sugiura , Kenta Ide , Fuyuki Kano
发明人： Shigeto Hashiba , Kazuhiro Koseki , Satoya Sugiura , Kenta Ide , Fuyuki Kano
IPC分类号： G03G15/00
摘要： An electrophotographic photoconductor includes a base, an undercoat layer that contains a metal oxide and an electron-accepting material and has a thickness of about 3 μm or more and about 15 μm or less, and a photosensitive layer containing a polymer having a repeating unit represented by general formula (1) where R1 and R2 each independently represent a halogen atom, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 5 to 7 carbon atoms, or an aryl group having 6 to 12 carbon atoms; and m and n each independently represent an integer of 0 to 4.
摘要翻译： 电子照相感光体包括基材，含有金属氧化物和电子接受性材料的底涂层，其厚度为约3μm以上且约15μm以下，以及含有具有重复单元的聚合物的感光层 通式（1）其中R 1和R 2各自独立地表示卤素原子，具有1至6个碳原子的烷基，具有5至7个碳原子的环烷基或具有6至12个碳原子的芳基; m和n分别独立地表示0〜4的整数。
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7.发明授权公开(公告)号：US07580655B2
公开(公告)日：2009-08-25
申请号：US11798745
申请日：2007-05-16
申请人： Hidemi Nukada , Shigeto Hashiba , Takahiro Suzuki , Koji Bando , Makoto Takemoto
发明人： Hidemi Nukada , Shigeto Hashiba , Takahiro Suzuki , Koji Bando , Makoto Takemoto
IPC分类号： G03G15/02
CPC分类号： G03G15/0233
摘要： A charging roller including: a support; an elastic layer provided on the outer peripheral surface of the support, and having a ground-finished outer peripheral surface; and a surface layer formed to cover the outer peripheral surface of the elastic layer and that has a thickness of about 2 μm to about 10 μm from the outer peripheral surface of the elastic layer, and a proportion of water absorbed in the total of the elastic layer and the surface layer, after storage for 48 hours in an environment having a temperature of 10° C. and a humidity of 15% RH, and after storage for 48 hours in an environment having a temperature of 28° C. and a humidity of 85% RH, being about 2% to about 8% by weight, being about 2% to about 8% by weight.
摘要翻译： 一种充电辊，包括：支撑件; 弹性层，其设置在所述支撑体的外周面上，并且具有研磨后的外周面; 以及表面层，其形成为覆盖弹性层的外周表面，并且具有从弹性层的外周表面约2μm至约10μm的厚度，以及在弹性层的总共中吸收的水的比例 在温度为10℃，湿度为15％RH的环境中保存48小时后，在温度为28℃，湿度为28℃的环境中保存48小时后， 约85％RH，约2％至约8％重量，约2％至约8％重量。
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8.发明授权
公开(公告)号：US5188916A
公开(公告)日：1993-02-23
申请号：US757028
申请日：1991-09-09
申请人： Masahiko Hodumi , Koji Bando , Takahiro Suzuki , Shigeto Hashiba , Yoshiyuki Ono , Sadao Okano , Seiji Ashiya , Masanori Murase
发明人： Masahiko Hodumi , Koji Bando , Takahiro Suzuki , Shigeto Hashiba , Yoshiyuki Ono , Sadao Okano , Seiji Ashiya , Masanori Murase
IPC分类号： G03G5/14
摘要： A novel electrophotographic photoreceptor is disclosed, comprising an undercoating layer provided on an electrically conductive substrate having thereon a light-sensitive layer, wherein the undercoating layer is obtained by coating a solution of a composition comprising zirconium and silicon or a solution of a mixture of a zirconium acetyl acetonate compound and a silane coupling agent, the silicon content in the composition comprising zirconium and silicon is in the range of 5 to 35 mol % based on the total amount of zirconium and silicon, and the hardened undercoating layer obtained from the zirconium acetyl acetonate compound and silane coupling agent is a layer having a hardening degree of 1.2 or less.
摘要翻译： 公开了一种新颖的电子照相感光体，其包括设置在其上具有感光层的导电基底上的底涂层，其中底涂层是通过涂布包含锆和硅的组合物的溶液或将 乙酰丙酮锆化合物和硅烷偶联剂，包含锆和硅的组合物中的硅含量相对于锆和硅的总量为5〜35摩尔％，并且由乙酰基锆制得的硬化底涂层 丙烯酸酯化合物和硅烷偶联剂是硬化度为1.2以下的层。
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9.发明申请公开(公告)号：US20080107451A1
公开(公告)日：2008-05-08
申请号：US11798745
申请日：2007-05-16
申请人： Hidemi Nukada , Shigeto Hashiba , Takahiro Suzuki , Koji Bando , Makoto Takemoto
发明人： Hidemi Nukada , Shigeto Hashiba , Takahiro Suzuki , Koji Bando , Makoto Takemoto
IPC分类号： G03G15/02
CPC分类号： G03G15/0233
摘要： A charging roller including: a support; an elastic layer provided on the outer peripheral surface of the support, and having a ground-finished outer peripheral surface; and a surface layer formed to cover the outer peripheral surface of the elastic layer and that has a thickness of about 2 μm to about 10 μm from the outer peripheral surface of the elastic layer, and a proportion of water absorbed in the total of the elastic layer and the surface layer, after storage for 48 hours in an environment having a temperature of 10° C. and a humidity of 15% RH, and after storage for 48 hours in an environment having a temperature of 28° C. and a humidity of 85% RH, being about 2% to about 8% by weight, being about 2% to about 8% by weight.
摘要翻译： 一种充电辊，包括：支撑件; 弹性层，其设置在所述支撑体的外周面上，并且具有研磨后的外周面; 以及表面层，其形成为覆盖弹性层的外周表面，并且具有从弹性层的外周表面约2μm至约10μm的厚度，以及在弹性层的总共中吸收的水的比例 在温度为10℃，湿度为15％RH的环境中保存48小时后，在温度为28℃，湿度为28℃的环境中保存48小时后， 约85％RH，约2％至约8％重量，约2％至约8％重量。
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公开(公告)号：US5550000A
公开(公告)日：1996-08-27
申请号：US417886
申请日：1995-04-06
CPC分类号： G03G5/142 , C09C3/12 , G03G5/0525 , C01P2004/84
摘要： A process for the preparation of an electrophotographic photoreceptor having a high sensitivity and stability and an excellent product quality stability without being affected by the production environment is disclosed, which comprises coating on a substrate a functional layer-forming coating solution containing a compound which undergoes polycondensation upon hydrolysis, adjusting a temperature of said substrate having the coated layer such that relationship (1) is satisfied, and then moistening said coated layer at a temperature of 30.degree. C. to 180.degree. C. in an atmosphere of a dew point of 25.degree. C. to 80.degree. C.:DP.ltoreq.ST.ltoreq.DP+40.degree. C. (1)wherein DP represents the dew point upon said moistening and ST represents the temperature of the substrate just before said moistening.
摘要翻译： 公开了一种用于制备具有高灵敏度和稳定性以及优异的产品质量稳定性而不受生产环境影响的电子照相感光体的方法，其包括在基材上涂覆含有经历缩聚的化合物的功能层形成涂层溶液 在水解时，调节具有涂层的所述基材的温度使得满足关系（1），然后在露点25℃的气氛中在30℃至180℃的温度下润湿所述涂层 ℃至80℃：DP
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