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1. 发明专利

JP2014066756A Electrophotographic photoreceptor, image forming device, and process cartridge 审中-公开
标题翻译：电子照相机，图像形成装置和工艺盒
公开(公告)号：JP2014066756A
公开(公告)日：2014-04-17
申请号：JP2012209980
申请日：2012-09-24
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NUKADA HIDEMI , SUZUKI TAKAHIRO
IPC分类号： G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor configured to prevent increase in residual potential even after repeated use.SOLUTION: An electrophotographic photoreceptor 101 includes: a support 102; an undercoat layer 104 containing at least one kind of compound selected from an oxime compound represented by general formula (C-1), wherein Rc1 is a hydrogen atom, substituted or unsubstituted alkyl group, and substituted or unsubstituted alkoxy group, and substituted or unsubstituted aryl group, and Rc2 is a substituted or unsubstituted alkyl group, substituted or unsubstituted alkoxy group, and substituted or unsubstituted aryl group, the Rc1 and Rc2 may form a ring; and a photosensitive layer 103, in this order.
摘要翻译：要解决的问题：提供一种即使在重复使用之后也能够防止残留电位增加的电子照相感光体。解决方案：电子照相感光体101包括：支撑体102; 含有选自由通式（C-1）表示的肟化合物中的至少一种化合物的底涂层104，其中Rc1是氢原子，取代或未取代的烷基和取代或未取代的烷氧基，以及取代或未取代的芳基，Rc2是取代或未取代的烷基，取代或未取代的烷氧基，取代或未取代的芳基，Rc1和Rc2可以形成环; 和感光层103。

2. 发明专利

JP2013242436A Electrophotographic photoreceptor, image forming apparatus, and process cartridge 有权
标题翻译：电子照相机，图像形成装置和工艺盒
公开(公告)号：JP2013242436A
公开(公告)日：2013-12-05
申请号：JP2012115773
申请日：2012-05-21
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： ONO KEIKO , NUKADA HIDEMI , NAKAMURA HIROSHI
IPC分类号： G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor that has suppressed an increase in residual potential.SOLUTION: An electrophotographic photoreceptor includes a conductive support 2, an undercoat layer 4, and a photosensitive layer 3. The undercoat layer 4 is provided on the conductive support 2, formed of a cured film of a composition containing a binder resin, metal oxide particles, an electron-accepting compound having an anthraquinone structure and is contained in the amount of 1 part by weight or more and 5 parts by weight or less relative to 100 parts by weight of the metal oxide particles, and an isocyanate compound, and has the amount of weight change in a temperature range from 0°C to 230°C of 0.05 weight% or more and 0.8 weight% or less in differential heat/thermogravimetry simultaneous measurement (TG/DTA measurement).
摘要翻译：要解决的问题：提供抑制残留电位增加的电子照相感光体。解决方案：电子照相感光体包括导电支撑体2，底涂层4和感光层3.底涂层4设置在导电载体2由含有粘合剂树脂，金属氧化物颗粒，具有蒽醌结构的电子接受性化合物的固化膜形成，并且含有1重量份以上且5重量份以下的相对至100重量份的金属氧化物颗粒和异氰酸酯化合物，并且在差热下的0℃至230℃的温度范围内的重量变化量为0.05重量％以上且0.8重量％以下 /热重分析同时测量（TG / DTA测量）。

3. 发明专利

JP2011118054A Electrophotographic photoreceptor, process cartridge, image forming device and dispersion liquid 有权
标题翻译：电子照相机，过程盒，图像形成装置和分散液
公开(公告)号：JP2011118054A
公开(公告)日：2011-06-16
申请号：JP2009273760
申请日：2009-12-01
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NUKADA HIDEMI , SHIBATA JUNICHI , SUZUKI TAKAHIRO , MIURA MASARU
IPC分类号： G03G5/05 , G03G5/147
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which excels in fine-line reproducibility.
SOLUTION: The electrophotographic photoreceptor has a photosensitive layer on a base material, and its surface layer includes a fluorine-based graft polymer and fluorine-containing resin particles; and the graft polymer contains two specific acryl (methacryl) structure units and has a 1-6C perfluoroalkyl group, wherein the fluorine content is at least 10 mass% and at most 40 mass%, the weight average molecular weight Mw is at least 50,000 and at most 200,000, and the ratio of the Mw to the number average molecular weight Mn [Mw/Mn] is at least 1 and at most 8.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供精细线再现性优异的电子照相感光体。电解光感光体在基材上具有感光层，其表面层包含氟基接枝聚合物和含氟树脂颗粒; 接枝聚合物含有两个特定的丙烯酰基（甲基丙烯酰基）结构单元，并且具有1-6C全氟烷基，其中氟含量为至少10质量％且至多40质量％，重均分子量Mw至少为50,000，至多200,000，并且Mw与数均分子量Mn（Mw / Mn）之比至少为1且至多为8.版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2011022411A Electrophotographic photoreceptor, process cartridge and image forming apparatus 有权
标题翻译：电子照相机，过程盒和图像形成装置
公开(公告)号：JP2011022411A
公开(公告)日：2011-02-03
申请号：JP2009168006
申请日：2009-07-16
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAMANO YUKO , SUZUKI TAKAHIRO , YAMAMOTO SHINYA , NUKADA HIDEMI , ESUMI TETSUYA , KORENAGA JIRO , ISHIKAWA ISAMU , HOSHIO TAKUO , BANDO KOJI
IPC分类号： G03G5/05 , G03G5/047 , G03G15/02
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor for allowing the reproducibility (dot reproducibility) of the minimum pixel unit to be retrained from being deteriorated.
SOLUTION: The electrophotographic photoreceptor includes: an electroconductive substrate; and a photosensitive layer arranged on the electroconductive substrate and including at least a charge generation layer and a charge transport layer, and is characterized in that the charge transport layer includes organic particles, and a particle size distribution of the organic particles in an solution prepared by dissolving the charge transport layer in a solvent, satisfies an inequality (1): N
D≤0.3 μm /N≥0.7 (wherein N
D≤0.3 μm is the number of the organic particles of ≤0.3 μm particle size in 1 ml solution; and N is the number of all organic particles in 1 ml solution).
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种电子照相感光体，以使得再培训的最小像素单元的再现性（点再现性）不劣化。电解质感光体包括：导电性基材; 以及感光层，其设置在所述导电性基体上，并且至少包含电荷产生层和电荷输送层，其特征在于，所述电荷输送层包含有机粒子，所述有机粒子在由将电荷输送层溶解在溶剂中，满足不等式（1）：N D≤0.3μm /N≥0.7（其中N D≤0.3μm 在1ml溶液中粒径≤0.3μm的有机颗粒; N是1ml溶液中所有有机颗粒的数量）。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2010230970A Electrophotographic photoreceptor, process cartridge and image forming apparatus 有权
标题翻译：电子照相机，过程盒和图像形成装置
公开(公告)号：JP2010230970A
公开(公告)日：2010-10-14
申请号：JP2009078291
申请日：2009-03-27
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NUKADA HIDEMI , SUZUKI TAKAHIRO
IPC分类号： G03G5/147
CPC分类号： G03G5/14795 , G03G5/14704 , G03G5/14726 , G03G5/14734 , G03G5/14791 , G03G15/751
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor in which the rise of remaining potential is suppressed and which is therefore superior in durability, and to provide a process cartridge and an electrophotographic device each of which uses the photoreceptor.
SOLUTION: The electrophotographic photoreceptor includes: at least a photosensitive layer on an electroconductive support; a surface layer that contains fluororesin particles and a fluorine-based comb graft polymer containing a repeating unit derived from a macromonomer and a repeating unit derived from a monomer having a 1-8C fluoroalkyl group, wherein a phosphorus content of the surface layer is ≤5 ppm, and the process cartridge and the electrophotographic apparatus each using this photoreceptor are also provided.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种电子照相感光体，其中剩余电位的上升被抑制并且其耐久性优异，并且提供了使用感光体的处理盒和电子照相装置。电解质感光体包括：至少在导电载体上的感光层; 含有氟树脂颗粒的表面层和含有来自大分子单体的重复单元的氟系梳理接枝聚合物和来自具有1-8C氟代烷基的单体的重复单元，其中表面层的磷含量≤5 ppm，并且还提供了各自使用该感光体的处理盒和电子照相设备。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2009014845A Image forming device 有权
标题翻译：图像形成装置
公开(公告)号：JP2009014845A
公开(公告)日：2009-01-22
申请号：JP2007174342
申请日：2007-07-02
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NUKADA HIDEMI , SUZUKI TAKAHIRO , ISHIKAWA ISAMU
IPC分类号： G03G15/00 , G03G5/02 , G03G5/14
CPC分类号： G03G5/102 , G03G5/10 , G03G5/142 , G03G5/144 , G03G15/0266 , G03G15/043 , G03G15/5041 , G03G2215/00042 , G03G2215/00957
摘要： PROBLEM TO BE SOLVED: To provide an image forming device preventing detection precision of a toner image density on an image holding body from degrading, and suppressing deterioration of image quality. SOLUTION: This image forming device is provided with the image holding body formed by stacking an under coating layer having 50% or more of light transmittance per a unit layer thickness with respect to a first wavelength of light, and a photosensitive layer absorbing a second wavelength of light different from the first wavelength, on a base having a regular reflectance of a surface within a range of 30-95% to the first wavelength of light, and controls the density of a toner image, based on the result obtained by a measuring means for measuring the density of the toner image formed on the image holding body, based on a reflected light detected by a detecting means for detecting the reflected light of the light emitted from an irradiation means for irradiating the image holding body with the first wavelength of light. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种防止图像保持体上的调色剂图像浓度的检测精度降低的图像形成装置，并且抑制图像质量的劣化。解决方案：该图像形成装置设置有图像保持体，该图像保持体通过相对于第一波长的光层叠相对于单位层厚度具有50％以上的透光率的底涂层，以及吸收感光层基于具有与第一波长的光的30-95％范围内的表面的规则反射率的基底上的第二波长不同于第一波长的光，并且基于获得的结果控制调色剂图像的浓度通过用于测量形成在图像保持体上的调色剂图像的浓度的测量装置，基于由用于检测从用于照射图像保持体的照射装置发射的光的反射光的检测装置检测的反射光，第一波长的光。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2007033695A Electrophotographic photoreceptor, electrophotographic cartridge and electrophotographic apparatus 有权
标题翻译：电子照相机，电子照相机和电子照相设备
公开(公告)号：JP2007033695A
公开(公告)日：2007-02-08
申请号：JP2005214932
申请日：2005-07-25
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： HASHIBA SHIGETO , NISHIMURA AKIRA , NUKADA HIDEMI , YAHAGI KOICHI , SAKASHITA HIROICHI , SUZUKI TAKAHIRO , BANDO KOJI
IPC分类号： G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor in which the occurrence of a ghost can be suppressed, the occurrence of a fluctuation in electric characteristics and image quality defect is reduced and the occurrence of an image quality defect, such as pinhole leakage, is averted, an electrophotographic cartridge, and an electrophotographic apparatus. SOLUTION: The electrophotographic photoreceptor has at least an undercoating layer and a photosensitive layer on a conductive substrate, in which the undercoating layer contains an acceptor type compound in a dispersed state as a solid. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供其中可以抑制发生重影的电子照相感光体，电特性和图像质量缺陷的波动的发生减少，并且出现诸如针孔的图像质量缺陷泄漏，避免，电子照相盒和电子照相设备。解决方案：电子照相感光体在导电性基材上至少具有底涂层和感光层，其中底涂层含有作为固体的分散状态的受体型化合物。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2005154713A Hydroxygallium phthalocyanine pigment and process for production thereof, process for production of photosensitive layer-forming coating solution, electrophotographic photoreceptor, process cartridge, electrophotographic device and image formation method 有权
标题翻译：羟基羟基苯甲酸颜料及其生产工艺，用于生产感光层形成涂料溶液的方法，电子照相光刻胶，工艺盒，电泳设备和图像形成方法
公开(公告)号：JP2005154713A
公开(公告)日：2005-06-16
申请号：JP2004088018
申请日：2004-03-24
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： HONGO KAZUYA , OTA KOZO , MIYAMOTO MASAHIKO , KAMIJO YUKIKO , NUKADA HIDEMI , INOUE KENJI
IPC分类号： G03G5/00 , C09B67/00 , C09B67/02 , C09B67/04 , C09B67/50 , G03G5/04 , G03G5/047 , G03G5/05 , G03G5/06 , G03G15/02
CPC分类号： G03G5/0696 , C09B67/0022 , C09B67/0026
摘要： PROBLEM TO BE SOLVED: To provide a hydroxygallium phthalocyanine pigment whereby good dispersibility and sufficient sensibility, electrification characteristic, and dark decay characteristic are obtained and image quality that is stable for a long time period without generating any image defects such as a fog, black spot, or white spot can be obtained, when the pigment is used as a material for an electrophotographic photoreceptor and a process for the production thereof, an electrophotographic photoreceptor using the same, a process cartridge, and an electrophotographic device. SOLUTION: The hydroxygallium phthalocyanine pigment is characterized by having a maximum peak wavelength within a range from 810 nm to 839 nm in optical absorption spectrum in a wavelength range from 600 nm to 900 nm. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种羟基镓酞菁颜料，从而获得良好的分散性和充分的感光性，起电特性和暗衰变特性，并且长时间稳定的图像质量不会产生任何图像缺陷如雾当使用颜料作为电子照相感光体的材料及其制造方法时，可以获得黑点或白点，使用该材料的电子照相感光体，处理盒和电子照相装置。解决方案：羟基镓酞菁颜料的特征在于在600nm至900nm的波长范围内的光吸收光谱中具有在810nm至839nm范围内的最大峰值波长。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2014191103A Electrophotographic photoreceptor, image forming apparatus, and process cartridge 有权
标题翻译：电子照相机，图像形成装置和工艺盒
公开(公告)号：JP2014191103A
公开(公告)日：2014-10-06
申请号：JP2013064978
申请日：2013-03-26
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NARITA KOSUKE , KOSEKI KAZUHIRO , NUKADA HIDEMI , YAMAMOTO SHINYA
IPC分类号： G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor that suppresses unevenness in image density, and suppresses a reduction in density after repeated image formation.SOLUTION: An electrophotographic photoreceptor 1 includes: a conductive support 2; an undercoat layer 4 that is arranged on the conductive support, contains an electron receptive compound including metal oxide particles and an anthraquinone structure and a binder resin crosslinked by a block-type isocyanate compound blocked by methyl ethyl ketone oxime, where a content of the electron receptive compound having an anthraquinone structure is 0.7 pt.mass or more based on 100 pts.mass of the metal oxide particles and a content of the methyl ethyl ketone oxime in the undercoat layer is 0.2 mass% or less; and a photosensitive layer 3 that is arranged on the undercoat layer.
摘要翻译：要解决的问题：提供抑制图像浓度不均匀的电子照相感光体，抑制重复图像形成后的浓度降低。电子照相感光体1包括导电性支持体2，布置在导电载体上的底涂层4含有包含金属氧化物颗粒和蒽醌结构的电子接受性化合物和由被甲基乙基酮肟封端的嵌段型异氰酸酯化合物交联的粘合剂树脂，其中电子具有蒽醌结构的接受性化合物相对于100质量ppm的金属氧化物粒子为0.7质量份以上，底涂层中的甲基乙基酮肟的含量为0.2质量％以下，以及布置在底涂层上的感光层3。

10. 发明专利

JP2012203404A Electrophotographic photoreceptor, image forming apparatus, and process cartridge 有权
标题翻译：电子照相机，图像形成装置和工艺盒
公开(公告)号：JP2012203404A
公开(公告)日：2012-10-22
申请号：JP2011071238
申请日：2011-03-28
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： IDE KENTA , NARITA KOSUKE , KANO TOMIYUKI , NAKAMURA HIROSHI , KOSEKI KAZUHIRO , NUKADA HIDEMI , HASHIBA SHIGETO , SUZUKI TAKAHIRO
IPC分类号： G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor that suppresses the occurrence of image density unevenness during image formation caused by history of the previous image after repeated use.SOLUTION: An electrophotographic photoreceptor 10 includes: a conductive support 4; an undercoat layer 1 that is disposed on the conductive support, and contains a binder resin, metal oxide particles, and an electron acceptance material; and a photosensitive layer 6 that is disposed on the undercoat layer. The electron acceptance material is interposed between the undercoat layer and the photosensitive layer.

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