专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2013195762A Electrophotographic photoreceptor, manufacturing method of electrophotographic photoreceptor, process cartridge for image forming apparatus, and image forming apparatus 有权
标题翻译：电子照相光电子产品，电子照相光电子产品的制造方法，图像形成装置的制造方法以及图像形成装置
公开(公告)号：JP2013195762A
公开(公告)日：2013-09-30
申请号：JP2012063462
申请日：2012-03-21
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KAMI HIDETOSHI
IPC分类号： G03G5/147 , G03G5/00 , G03G5/05
摘要： PROBLEM TO BE SOLVED: To eliminate an increase in potential of an exposure unit caused by a metal oxide filler and dispersant.SOLUTION: An electrophotographic photoreceptor includes a plurality of layers formed on a support, and a surface layer containing a metal oxide filler and dispersant as a surface of the plurality of layers. The surface layer contains an organic acid having an acid value of 0.8 KOH/g or more and 1.0 KOH/g or less.
摘要翻译：要解决的问题：消除由金属氧化物填料和分散剂引起的曝光单元的电位的增加。溶液：电子照相感光体包括形成在载体上的多个层，以及含有金属氧化物填料和分散剂的表面层作为多个层的表面。表面层含有酸值为0.8KOH / g以上至1.0KOH / g以下的有机酸。

2. 发明专利

JP2011095734A Electrophotographic photoreceptor, method for producing electrophotographic photoreceptor, and image forming apparatus 有权
标题翻译：电子照相光电子产生器，电子摄影机的制造方法以及图像形成装置
公开(公告)号：JP2011095734A
公开(公告)日：2011-05-12
申请号：JP2010217349
申请日：2010-09-28
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KAMI HIDETOSHI , EGAWA KAZUHIRO
IPC分类号： G03G5/00 , G03G5/147 , G03G15/00 , G03G21/00
CPC分类号： G03G5/0614 , G03G5/0525 , G03G5/071 , G03G5/147 , G03G5/14704 , G03G5/14734 , G03G5/14791 , G03G15/75 , G03G21/0005
摘要： PROBLEM TO BE SOLVED: To improve circulation of a lubricant which is supplied onto and removed from a highly durable electrophotographic photoreceptor having a crosslinked surface layer, with the result that the life of the electrophotographic photoreceptor and of an image forming apparatus are prolonged and printing costs are therefore reduced. SOLUTION: The electrophotographic photoreceptor includes a photosensitive layer and a surface layer having grooves which do not intersect each other, the photosensitive layer and the surface layer being laid over a conductive substrate, wherein the grooves each have a width of from 60 μm to 100 μm and a depth of from 0.2 μm to 2 μm, wherein the standard deviation of the depths of the grooves is 1/10 or less of the average value of the depths of the grooves measured at any four places, and wherein the grooves are formed in a direction which diagonally crosses a main-scanning direction and a sub-scanning direction of the photoreceptor. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了改善供应到具有交联表面层的高度耐用的电子照相感光体上去除的润滑剂的循环，结果使电子照相感光体和图像形成装置的寿命延长因此减少了印刷成本。解决方案：电子照相感光体包括感光层和具有不相交的凹槽的表面层，感光层和表面层布置在导电基底上，其中沟槽各自具有60μm的宽度为100μm，深度为0.2μm〜2μm，其中槽的深度的标准偏差为在任何四个位置测量的凹槽的平均深度的平均值的1/10或更小，并且其中凹槽形成在与光感受器的主扫描方向和副扫描方向对角地交叉的方向。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2010237657A Electrophotographic photoreceptor, method for manufacturing the same, image forming apparatus, and process cartridge for forming image 有权
标题翻译：电子照相机，其制造方法，图像形成装置和用于形成图像的处理盒
公开(公告)号：JP2010237657A
公开(公告)日：2010-10-21
申请号：JP2010046096
申请日：2010-03-03
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FUJIWARA YUKIO , KAMI HIDETOSHI , EGAWA KAZUHIRO , NOSHO SHINJI , MATSUMOTO MIHOKO , YOSHIHARA MAYUMI , YAMAMOTO KOSUKE
IPC分类号： G03G5/147 , G03G21/00
CPC分类号： G03G5/047 , G03G5/0578 , G03G5/0592 , G03G5/0614 , G03G5/071 , G03G5/076 , G03G5/14769 , G03G5/14773 , G03G5/14786 , G03G5/14791 , G03G5/14795 , G03G2215/00957
摘要： PROBLEM TO BE SOLVED: To improve receptivity with respect to lubricant of a highly durable electrophotographic photoreceptor having a surface layer. SOLUTION: In the electrophotographic photoreceptor having a photosensitive layer and the surface layer on a conductive support body, a one-dimensional data array obtained by measuring unevenness of the surface of the electrophotographic photoreceptor by a surface roughness/contour measuring device is subjected to multiple resolution analysis to perform wavelet transform and separate into six frequency components, and the one-dimensional data array thinned by a number of data arrays of 1/40 in relation to the one-dimensional data array of the obtained minimum frequency components is further subjected to wavelet transform, thus to obtain six center line average coarsenesses WRa of the respective frequency components, where the six center line average coarsenesses WRa have a specific relation. Here, the respective six frequency components obtained by the second multiple resolution analysis are frequency components of the lengths of one cycle of the unevenness: 26-106, 53-183, 106-318, 214-551, 431-954, 867-1654 (all in μm) in this order. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提高具有表面层的高度耐用的电子照相感光体的润滑剂的接受性。解决方案：在具有感光层和导电支撑体上的表面层的电子照相感光体中，通过表面粗糙度/轮廓测量装置测量电子照相感光体的表面的不均匀性获得的一维数据阵列进行多分辨率分析以执行小波变换并分离成六个频率分量，并且通过相对于所获得的最小频率分量的一维数据阵列的多个数据阵列稀疏的一维数据阵列进一步进行小波变换，从而获得六个中心线平均粗度WRa具有特定关系的各频率分量的六个中心线平均粗糙度WRa。这里，通过第二多分辨率分析获得的各个六个频率分量是不平坦的一个周期的长度的频率分量：26-106,53-183,106-318,214-551,431-954,867-1654 （全部以μm为单位）。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2010160184A Electrophotographic photoreceptor, image forming apparatus and process cartridge therefor using the electrophotographic photoreceptor 审中-公开
标题翻译：电子照相机，图像形成装置及其使用电子照相光电子器件的方法
公开(公告)号：JP2010160184A
公开(公告)日：2010-07-22
申请号：JP2009000622
申请日：2009-01-06
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： OSHIMA KOICHI , KAMI HIDETOSHI , FUJIWARA YUKIO , EGAWA KAZUHIRO
IPC分类号： G03G5/147 , G03G9/087 , G03G21/00
CPC分类号： G03G5/071 , G03G5/0525 , G03G5/0596 , G03G5/0614 , G03G5/147 , G03G5/14734 , G03G15/751 , G03G2215/00957
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor that suppresses vibration, kinking and reversing of a cleaning blade and passing through of a toner from the cleaning blade and preventing fusion-bonding of the toner caused by repeated image formation by the toner which has passed through from the cleaning blade. SOLUTION: The electrophotographic photoreceptor has a crosslinked surface layer, and the photoreceptor is such that the surface of the surface layer has a convex portion formed thereon; each of the surface layer and the convex portion includes a crosslinked body containing a structural unit, having the same charge transporting structure; and if the surface roughness of the electrophotographic photoreceptor is defined as RzJIS, the number of the convex portions having a height which is not less than 1/2×RzJIS is from 30 to 300 per the measurement length of 12 mm. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种电子照相感光体，其抑制清洁刮板的振动，扭结和反转并且从清洁刮板通过调色剂，并防止由调色剂重复图像形成引起的调色剂的熔合其已经从清洁刀片通过。电解质感光体具有交联表面层，感光体使表面层的表面形成有凸部，表面层和凸部均包含具有相同电荷输送结构的含有结构单元的交联体; 并且如果电子照相感光体的表面粗糙度被定义为RzJIS，则具有不小于1/2×RzJIS的高度的凸部的数量在12mm的测量长度上为30至300。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2008309927A Electrophotographic photoreceptor, process cartridge or electrophotographic apparatus mounted with the same, 有权
标题翻译：电子照相机，过程盒或与其同时安装的电子照相设备，
公开(公告)号：JP2008309927A
公开(公告)日：2008-12-25
申请号：JP2007156188
申请日：2007-06-13
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KAMI HIDETOSHI , SUZUKI TETSUO , TAMURA HIROSHI , IKUNO HIROSHI , FUJIWARA YUKIO , IWAMOTO TAKAFUMI
IPC分类号： G03G5/147 , G03G9/08 , G03G9/087 , G03G9/09
CPC分类号： G03G5/14769 , G03G5/1476 , G03G5/14791 , G03G15/75
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor having extremely excellent wear resistance which can form a color image of high quality, and in which wounds on the surface thereof and the filming of silica are prevented.
SOLUTION: On the crosslinking type resin surface layer of the electrophotographic photoreceptor contains the crosslinked body of trimethylol propane triacrylate, radical polymerizable functional group-containing isocyanate and a heat-curable or photocurable type charge transport substance. As the radical polymerizable functional group-containing isocyanate, 2-methacryloyloxyethyl isocyanate or 2-acryloyloxyethyl isocyanate or 1,1-bis(acryloyloxymethyl)ethyl isocyanate is preferable.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够形成高质量的彩色图像并且其表面上的伤口和二氧化硅的成膜被防止的极好的耐磨性的电子照相感光体。解决方案：电子照相感光体的交联型树脂表面层含有三羟甲基丙烷三丙烯酸酯，可自由基聚合官能团的异氰酸酯和可热固化或光固化型电荷输送物质的交联体。作为可自由基聚合的官能团的异氰酸酯，优选2-甲基丙烯酰氧基乙基异氰酸酯或2-丙烯酰氧基乙基异氰酸酯或1,1-双（丙烯酰氧基甲基）乙基异氰酸酯。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2008242305A Electrophotographic photoreceptor, image-forming apparatus, and process cartridge for image-forming apparatus 审中-公开
标题翻译：电子照相机，图像形成装置和图像形成装置的处理盒
公开(公告)号：JP2008242305A
公开(公告)日：2008-10-09
申请号：JP2007085783
申请日：2007-03-28
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TAMURA HIROSHI , SUZUKI TETSUO , IKUNO HIROSHI , KAMI HIDETOSHI , FUJIWARA YUKIO , NAGAI KAZUKIYO
IPC分类号： G03G5/07 , G03G5/05 , G03G5/06 , G03G5/147
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which forms a photosensitive layer having a crosslinked surface layer which is superior in resistance to abrasion, resistance to scratches, electrical characteristics, uniformity, smoothness and transparency; has excellent cleaning characteristics and high durability and which provides high-quality images over a long period of time.
SOLUTION: The electrophotographic photoreceptor has a hardened layer, which uses an arylamine compound substituted with an aryl group represented by general formula 1, as the outermost layer.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供形成具有交联表面层的感光层的电子照相感光体，其耐磨性，耐划痕性，电特性，均匀性，平滑性和透明性优异; 具有优异的清洁特性和高耐久性，并可长期提供高质量的图像。解决方案：电子照相感光体具有使用被通式1表示的芳基取代的芳基胺化合物作为最外层的硬化层。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2008203697A Electrophotographic device and process cartridge 有权
标题翻译：电子设备和工艺盒
公开(公告)号：JP2008203697A
公开(公告)日：2008-09-04
申请号：JP2007041647
申请日：2007-02-22
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FUJIWARA YUKIO , SUZUKI TETSUO , TAMURA HIROSHI , IKUNO HIROSHI , KAMI HIDETOSHI , IWAMOTO TAKAFUMI
IPC分类号： G03G5/147 , G03G5/05
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic device and a process cartridge performing favorable injection charging, giving a superior image and having a sufficiently long durable lifetime of a photoreceptor. SOLUTION: The electrophotographic device includes an electrophotographic photoreceptor, a charging member placed in contact with the electrophotographic photoreceptor and charging the photoreceptor when a voltage is applied, an exposure means, a developing means and a transfer means, wherein the device is characterized in that: the electrophotographic photoreceptor has a photosensitive layer not subjected to radical hardening and a surface layer containing a radical hardening composition and conductive fine particles; the radical hardening composition contains at least a structural unit represented by general formula (A); and the charging is performed by injection charging. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种电子照相装置和执行有利的注射充电的处理盒，给出更好的图像并且具有足够长的耐久寿命的感光体。解决方案：电子照相装置包括电子照相感光体，与电子照相感光体接触放置的充电部件，当施加电压时对感光体充电，曝光装置，显影装置和转印装置，其中该装置的特征在于其中：电子照相感光体具有未经受自由基硬化的感光层和含有自由基硬化组合物和导电细颗粒的表面层; 所述自由基硬化组合物至少含有由通式（A）表示的结构单元; 并通过注射充电进行充电。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2008170977A Electrophotographic photoreceptor, image forming method and image forming apparatus using the same, and process cartridge for image forming apparatus 有权
标题翻译：电子照相机，图像形成方法和使用其的图像形成装置，以及用于图像形成装置的处理盒
公开(公告)号：JP2008170977A
公开(公告)日：2008-07-24
申请号：JP2007318363
申请日：2007-12-10
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUZUKI TETSUO , NAGAI KAZUKIYO , TAMURA HIROSHI , FUJIWARA YUKIO , KAMI HIDETOSHI , IKUNO HIROSHI
IPC分类号： G03G5/147
摘要： PROBLEM TO BE SOLVED: To provide a highly durable electrophotographic photoreceptor of high performance having superior abrasion resistance and satisfactory electrical properties, and further having superior environmental stability. SOLUTION: Disclosed is an electrophotographic photoreceptor including: an electroconductive substrate; a photosensitive layer which is located overlying the electroconductive substrate and which is not radically crosslinked; and an outermost layer which is located overlying the photosensitive layer and which includes a radically crosslinked material, wherein the radically crosslinked material includes a unit at least expressed by Formula (A), wherein: H represents a 1,1-cyclopentane-diyl group, a 1,1-cyclohexane-diyl group, or a 9,9-fluorene-diyl group; each of R 5 and R 6 represents a linear, branched or cyclic alkyl group, having 1 to 6 carbon atoms, a halogen atom, or an aryl group; R 7 represents a hydrogen atom, or an alkyl group having 1 to 4 carbon atoms; and each of i and j is 0 or an integer of from 1 to 4. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的耐磨性和令人满意的电气性能的高性能的高度耐用的电子照相感光体，并且还具有优异的环境稳定性。解决方案：公开了一种电子照相感光体，包括：导电性基材; 感光层，其位于导电基底上并且不是自由基交联的; 以及最外层，其位于所述感光层上并且包括自由基交联的材料，其中所述自交联材料包括至少由式（A）表示的单元，其中：H表示1,1-环戊烷二基， 1,1-环己烷二基或9,9-芴二基; R SB 5和R SB 6各自表示具有1至6个碳原子的直链，支链或环状烷基，卤原子或芳基; R 7表示氢原子或碳原子数1〜4的烷基， i和j分别为0或1〜4的整数。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2008026694A Electrophotographic photoreceptor, method for manufacturing the same, and process cartridge or electrophotographic apparatus equipped with the same 有权
标题翻译：电子照相机及其制造方法及其制造方法或装有电子照相设备的电子照相设备
公开(公告)号：JP2008026694A
公开(公告)日：2008-02-07
申请号：JP2006200541
申请日：2006-07-24
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KAMI HIDETOSHI , SUZUKI TETSUO , TAMURA HIROSHI , TONE TETSUYA , FUJIWARA YUKIO
IPC分类号： G03G5/147 , G03G5/00 , G03G9/087 , G03G9/09
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor capable of forming a high-quality color image and free of scratching of the surface thereof and filming of silica, with respect to an electrophotographic photoreceptor very excellent in wear resistance. SOLUTION: The electrophotographic photoreceptor contains, in the crosslinked resin surface layer thereof, a crosslinked body of a polyfunctional acrylate selected from the group composed of neopentyl glycol diacrylate (NPGDA), trimethylol propane triacrylate (TMPTA) and pentaerythritol tetraacrylate (PETTA), the crosslinked body of a polyol compound and an isocyanurate type polyisocyanate, and the crosslinked body of a heat- or photo-curable charge transport material. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：相对于非常优异的耐磨性的电子照相感光体，提供能够形成高质量彩色图像并且没有表面划伤和二氧化硅成膜的电子照相感光体。电解光感光体在其交联树脂表面层中含有选自新戊二醇二丙烯酸酯（NPGDA），三羟甲基丙烷三丙烯酸酯（TMPTA）和季戊四醇四丙烯酸酯（PETTA）的多官能丙烯酸酯的交联体，，多元醇化合物的交联体和异氰脲酸酯型多异氰酸酯，以及热可光固化电荷输送材料的交联体。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2007233425A Photoreceptor, image forming method using same, image forming apparatus, and process cartridge for image forming apparatus 有权
标题翻译：照相机，使用相同的图像形成方法，图像形成装置和用于图像形成装置的处理盒
公开(公告)号：JP2007233425A
公开(公告)日：2007-09-13
申请号：JP2007165611
申请日：2007-06-22
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： IKEGAMI TAKAAKI , SHIMADA TOMOYUKI , SUZUKI YASUO , TAMOTO NOZOMI , KAMI HIDETOSHI
IPC分类号： G03G5/147 , G03G5/05 , G03G5/06 , G03G5/07
摘要： PROBLEM TO BE SOLVED: To provide a photoreceptor which has high durability, suppresses image degradation due to rise of residual potential and image blurring, and stably yields images of high image quality even after long-term repeated use, and to provide a coating liquid for a top surface layer of the photoreceptor very excellent in storage stability, a method for manufacturing the photoreceptor using the coating liquid, an image forming method using the photoreceptor, an image forming apparatus, and a process cartridge for the apparatus. SOLUTION: The photoreceptor is an electrophotographic photoreceptor comprising a photosensitive layer formed on a conductive support and containing a filler in a layer of the photosensitive layer remotest from the conductive support, and a top surface layer of the photoreceptor contains at least an organic compound having an acid number of 10-700 (mgKOH/g) and at least one selected from compounds represented by formula (2), wherein R 3 and R 4 each represent a substituted or unsubstituted aromatic hydrocarbon group or a substituted or unsubstituted alkyl group and can be the same or different, R 3 and R 4 can bond to each other to form an N-containing heterocyclic group; Ar 3 and Ar 4 each represent a substituted or unsubstituted aromatic cyclic group; l' and m' each represent an integer of 0-3, provided that l' and m' are not simultaneously 0; and n' represents an integer of 1-3. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决问题：为了提供耐久性高的感光体，抑制由于残留电位和图像模糊的上升引起的图像劣化，并且即使长期重复使用也能稳定地产生高图像质量的图像，并且提供用于存储稳定性非常优异的感光体的顶表面层的涂布液，使用该涂布液的感光体的制造方法，使用感光体的图像形成方法，图像形成装置和用于该装置的处理盒。感光体是一种电子照相感光体，其包含形成在导电性支持体上的感光层，并且在距离导电性支持体最远的感光层的一层中含有填充剂，感光体的顶面层至少含有有机物酸值为10-700（mgKOH / g）的化合物和选自式（2）表示的化合物中的至少一种，其中R 3和R 4各自代表取代或未取代的芳族烃基或取代或未取代的烷基，可以相同或不同，R 3和R 4可以彼此键合形成N 含杂环基; Ar 3 和Ar 4 各自表示取代或未取代的芳族环状基团; l'和m'各自表示0-3的整数，条件是l'和m'不同时为0; 并且n'表示1-3的整数。版权所有（C）2007，JPO＆INPIT

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式