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1. 发明授权

US08404417B2 Organic photoreceptor, image forming apparatus and process cartridge 有权
标题翻译：有机感光体，成像装置和处理盒
公开(公告)号：US08404417B2
公开(公告)日：2013-03-26
申请号：US12988506
申请日：2009-07-09
申请人： Toshiyuki Fujita , Hirofumi Hayata , Takeshi Ishida , Masahiko Kurachi , Seisuke Maeda , Seijiro Takahashi
发明人： Toshiyuki Fujita , Hirofumi Hayata , Takeshi Ishida , Masahiko Kurachi , Seisuke Maeda , Seijiro Takahashi
IPC分类号： G03G5/00
CPC分类号： G03G5/14704 , G03G5/14734 , G03G5/14786 , G03G5/14791 , G03G5/14795
摘要： In the present invention, disclosed is an organic photoreceptor comprising a conductive support and provided thereon, a photosensitive layer and a protective layer provided on the photosensitive layer, the protective layer formed with alumina particles each comprising a reactive organic group. Also provided is an organic photoreceptor with which electrophotographic images having high durability together with high image quality can be obtained by improving a wear property of the organic photoreceptor up to the same level as that of an amorphous silicon photoreceptor, as well as by improving image flow and image blur which are easy to be generated at high temperature and high humidity.
摘要翻译：在本发明中，公开了一种有机感光体，其包含导电性支持体，在其上设置有感光层和设置在感光层上的保护层，保护层由氧化铝颗粒形成，每个氧化铝粒子均包含反应性有机基团。还提供了一种有机感光体，其具有高耐久性的电子照相图像以及高图像质量可以通过将有机感光体的磨损性能提高到与非晶硅感光体相同的水平，以及通过改善图像流动来获得以及容易在高温高湿下产生的图像模糊。

2. 发明授权

US08318396B2 Organic photoreceptor and preparation method thereof 有权
标题翻译：有机感光体及其制备方法
公开(公告)号：US08318396B2
公开(公告)日：2012-11-27
申请号：US12845990
申请日：2010-07-29
申请人： Toshiyuki Fujita , Hirofumi Hayata , Takeshi Ishida , Masahiko Kurachi , Seisuke Maeda , Seijiro Takahashi
发明人： Toshiyuki Fujita , Hirofumi Hayata , Takeshi Ishida , Masahiko Kurachi , Seisuke Maeda , Seijiro Takahashi
IPC分类号： G03G5/00
CPC分类号： G03G5/14704 , G03G5/14717 , G03G5/14734
摘要： An organic photoreceptor is disclosed, comprising, on an electrically conductive support, a photosensitive layer and a protective layer containing metal oxide particles produced by a plasma method, and the protective layer being formed by curing a composition containing the metal oxide particles and a curable compound. There is also disclosed a preparation method of the organic photoreceptor.
摘要翻译：公开了一种有机感光体，其在导电性载体上包含感光层和含有通过等离子体法制造的金属氧化物颗粒的保护层，该保护层是通过使包含金属氧化物颗粒和可固化化合物的组合物。还公开了有机感光体的制备方法。

3. 发明授权

US08557486B2 Organic photoreceptor, manufacturing method of organic photoreceptor, and image forming apparatus 有权
标题翻译：有机感光体，有机感光体的制造方法以及成像装置
公开(公告)号：US08557486B2
公开(公告)日：2013-10-15
申请号：US12620935
申请日：2009-11-18
申请人： Takeshi Ishida , Hirofumi Hayata , Masahiko Kurachi , Toshiyuki Fujita , Seisuke Maeda , Seijiro Takahashi
发明人： Takeshi Ishida , Hirofumi Hayata , Masahiko Kurachi , Toshiyuki Fujita , Seisuke Maeda , Seijiro Takahashi
IPC分类号： G03G5/147
CPC分类号： G03G5/14704 , G03G5/1473 , G03G5/14734 , G03G5/14773 , G03G15/751
摘要： An organic photoreceptor having a photosensitive layer, an electric conductive support, and a protective layer is disclosed, in which the protective layer comprises a composition produced by reacting tin oxide particles an acryloyl or methacryloyl group on their surface with a compound having an acryloyl or methacryloyl group. A production method of the same, an image forming apparatus and a process cartridge using the same are also disclosed.
摘要翻译：公开了一种具有感光层，导电性支持体和保护层的有机感光体，其中保护层包括通过使表面上的氧化锡颗粒与丙烯酰基或甲基丙烯酰基反应而制备的组合物与具有丙烯酰基或甲基丙烯酰基组。还公开了其制造方法，图像形成装置和使用其的处理盒。

4. 发明授权

US08202675B2 Electrophotographic photoreceptor, image forming apparatus, and process cartridge 有权
标题翻译：电子照相感光体，成像设备和处理盒
公开(公告)号：US08202675B2
公开(公告)日：2012-06-19
申请号：US12706452
申请日：2010-02-16
申请人： Masahiko Kurachi , Hirofumi Hayata , Takeshi Ishida , Toshiyuki Fujita , Seisuke Maeda , Seijiro Takahashi
发明人： Masahiko Kurachi , Hirofumi Hayata , Takeshi Ishida , Toshiyuki Fujita , Seisuke Maeda , Seijiro Takahashi
IPC分类号： G03G15/04
CPC分类号： G03G5/14773 , G03G5/0507 , G03G5/0578 , G03G5/14704 , G03G15/751
摘要： An electrophotographic photoreceptor is provided with a conductive support; a photosensitive layer provided on the conductive support; and a surface layer provided on the photosensitive layer, wherein the surface layer contains a reaction product of surface-treated inorganic fine particles which are applied with a surface treatment with a metal oxide and a surface treatment with a compound having a polymerizable functional group.
摘要翻译：电子照相感光体设置有导电支撑体; 设置在所述导电支撑件上的感光层; 以及设置在感光层上的表面层，其中表面层包含经表面处理的金属氧化物表面处理的无机细颗粒和用具有可聚合官能团的化合物进行表面处理的反应产物。

5. 发明申请

US20110033204A1 Organic Photoreceptor, Image Forming Apparatus and Process Cartridge 有权
标题翻译：有机光感受器，成像装置和处理盒
公开(公告)号：US20110033204A1
公开(公告)日：2011-02-10
申请号：US12988506
申请日：2009-07-09
申请人： Toshiyuki Fujita , Hirofumi Hayata , Takeshi Ishida , Masahiko Kurachi , Seisuke Maeda , Seijiro Takahashi
发明人： Toshiyuki Fujita , Hirofumi Hayata , Takeshi Ishida , Masahiko Kurachi , Seisuke Maeda , Seijiro Takahashi
IPC分类号： G03G21/16 , G03G15/00 , G03G5/04
CPC分类号： G03G5/14704 , G03G5/14734 , G03G5/14786 , G03G5/14791 , G03G5/14795
摘要： In the present invention, disclosed is an organic photoreceptor comprising a conductive support and provided thereon, a photosensitive layer and a protective layer provided on the photosensitive layer, the protective layer formed with alumina particles each comprising a reactive organic group. Also provided is an organic photoreceptor with which electrophotographic images having high durability together with high image quality can be obtained by improving a wear property of the organic photoreceptor up to the same level as that of an amorphous silicon photoreceptor, as well as by improving image flow and image blur which are easy to be generated at high temperature and high humidity.
摘要翻译：在本发明中，公开了一种有机感光体，其包含导电性支持体，在其上设置有感光层和设置在感光层上的保护层，保护层由氧化铝颗粒形成，每个氧化铝粒子均包含反应性有机基团。还提供了一种有机感光体，其具有高耐久性的电子照相图像以及高图像质量可以通过将有机感光体的磨损性能提高到与非晶硅感光体相同的水平，以及通过改善图像流动来获得以及容易在高温高湿下产生的图像模糊。

6. 发明授权

US08354212B2 Electrophotographic photoreceptor, image forming apparatus, and method for image formation 有权
标题翻译：电子照相感光体，图像形成装置和图像形成方法
公开(公告)号：US08354212B2
公开(公告)日：2013-01-15
申请号：US12988770
申请日：2009-09-17
申请人： Hirofumi Hayata , Takeshi Ishida , Masahiko Kurachi , Toshiyuki Fujita , Seisuke Maeda , Seijiro Takahashi
发明人： Hirofumi Hayata , Takeshi Ishida , Masahiko Kurachi , Toshiyuki Fujita , Seisuke Maeda , Seijiro Takahashi
IPC分类号： G03G15/02
CPC分类号： G03G5/14791 , G03G5/14704 , G03G5/14786
摘要： Disclosed is an electrophotogaphic photoreceptor that causes little or no abrasion-derived uneven image density and does not cause scratches and image defects attributable to the occurrence of scratches even after a large volume, for example, exceeding 1,000,000 sheets of printing, and that does not cause image blurring even after printing in an environment of a high-temperature and a high-relative humidity (RH) respectively exceeding 30° C. and 80%. The electrophotographic photoreceptor comprises an electroconductive support and at least a photosensitive layer and a surface layer provided on the electroconductive support and is characterized in that the surface layer contains at least a compound obtained by reacting a polymerizable compound containing a methacryl group with particles containing a functional group reactive with the methacryl group and, in the polymerizable compound, the ratio between the number of methacryl groups and the molecular weight (number of methacryl groups/molecular weight) is not less than 0.0055.
摘要翻译：公开了几乎不产生或不产生磨损的不均匀图像浓度的电子照相感光体，即使在大体积（例如）超过1,000,000张印刷后也不会引起由于划痕的发生而引起的划痕和图像缺陷，并且不会引起甚至在分别超过30℃和80％的高温和高相对湿度（RH）的环境下进行印刷后的图像模糊。电子照相感光体包含导电性支持体和至少一层感光层和设置在导电性载体上的表面层，其特征在于，表面层至少含有通过使包含甲基丙烯酰基的聚合性化合物与含有官能团与甲基丙烯酰基反应的基团，并且在聚合性化合物中，甲基丙烯酰基的数量与分子量（甲基丙烯酰基的数量/分子量）的比例为0.0055以上。

7. 发明申请

US20110038651A1 Electrophotographic Photoreceptor, Image Forming Apparatus, and Method for Image Formation 有权
标题翻译：电子照相光感受器，成像装置和图像形成方法
公开(公告)号：US20110038651A1
公开(公告)日：2011-02-17
申请号：US12988770
申请日：2009-09-17
申请人： Hirofumi Hayata , Takeshi Ishida , Masahiko Kurachi , Toshiyuki Fujita , Seisuke Maeda , Seijiro Takahashi
发明人： Hirofumi Hayata , Takeshi Ishida , Masahiko Kurachi , Toshiyuki Fujita , Seisuke Maeda , Seijiro Takahashi
IPC分类号： G03G15/02
CPC分类号： G03G5/14791 , G03G5/14704 , G03G5/14786
摘要： Disclosed is an electrophotogaphic photoreceptor that causes little or no abrasion-derived uneven image density and does not cause scratches and image defects attributable to the occurrence of scratches even after a large volume, for example, exceeding 1,000,000 sheets of printing, and that does not cause image blurring even after printing in an environment of a high-temperature and a high-relative humidity (RH) respectively exceeding 30° C. and 80%. The electrophotographic photoreceptor comprises an electroconductive support and at least a photosensitive layer and a surface layer provided on the electroconductive support and is characterized in that the surface layer contains at least a compound obtained by reacting a polymerizable compound containing a methacryl group with particles containing a functional group reactive with the methacryl group and, in the polymerizable compound, the ratio between the number of methacryl groups and the molecular weight (number of methacryl groups/molecular weight) is not less than 0.0055.
摘要翻译：公开了几乎不产生或不产生磨损的不均匀图像浓度的电子照相感光体，即使在大体积（例如）超过1,000,000张印刷后也不会引起由于划痕的发生而引起的划痕和图像缺陷，并且不会引起甚至在分别超过30℃和80％的高温和高相对湿度（RH）的环境下进行印刷后的图像模糊。电子照相感光体包含导电性支持体和至少一层感光层和设置在导电性载体上的表面层，其特征在于，表面层至少含有通过使包含甲基丙烯酰基的聚合性化合物与含有官能团与甲基丙烯酰基反应的基团，并且在聚合性化合物中，甲基丙烯酰基的数量与分子量（甲基丙烯酰基的数量/分子量）的比例为0.0055以上。

8. 发明授权

US08298735B2 Organic photoreceptor and manufacturing method thereof 有权
标题翻译：有机感光体及其制造方法
公开(公告)号：US08298735B2
公开(公告)日：2012-10-30
申请号：US12853917
申请日：2010-08-10
申请人： Masahiko Kurachi , Takeshi Ishida , Toshiyuki Fujita , Seisuke Maeda , Seijiro Takahashi
发明人： Masahiko Kurachi , Takeshi Ishida , Toshiyuki Fujita , Seisuke Maeda , Seijiro Takahashi
IPC分类号： G03G5/00
CPC分类号： G03G5/14704 , G03G5/14734 , G03G5/14773 , G03G5/14791 , G03G5/14795
摘要： Disclosed is an organic photoreceptor, which is composed of a photosensitive layer and a protective layer, provided on an electric conductive support, and the protective layer contains a composition obtained by hardening reaction of γ-alumina particles treated with a compound having a reactive functional group with a hardenable compound. A manufacturing method thereof is also disclosed.
摘要翻译：公开了一种设置在导电性载体上的由感光层和保护层构成的有机感光体，该保护层含有通过用具有反应性官能团的化合物处理的γ-氧化铝颗粒硬化反应而得到的组合物与可硬化的化合物。还公开了其制造方法。

9. 发明授权

US08962226B2 Organic photoreceptor, image forming apparatus, and process cartridge 有权
标题翻译：有机感光体，成像装置和处理盒
公开(公告)号：US08962226B2
公开(公告)日：2015-02-24
申请号：US12853873
申请日：2010-08-10
申请人： Seisuke Maeda , Takeshi Ishida , Masahiko Kurachi , Toshiyuki Fujita , Seijiro Takahashi
发明人： Seisuke Maeda , Takeshi Ishida , Masahiko Kurachi , Toshiyuki Fujita , Seijiro Takahashi
IPC分类号： G03G5/04 , G03G21/18 , G03G5/147
CPC分类号： G03G21/1814 , G03G5/14704 , G03G5/14717 , G03G5/14734 , G03G5/14773 , G03G5/14791
摘要： An organic photoreceptor, comprises: a conductive support; a photosensitive layer provided on the conductive support; and a protective layer provided on the photosensitive layer, wherein the protective layer contains alumina particles which contain 2 to 50 ppm of phosphorus atoms and is subjected to a surface treatment with a compound A having a reactive functional group and a curable compound B, and the protective layer is a cured layer including a cured product material formed by at least the compound A on the surfaces of the alumina particles and the curable compound B.
摘要翻译：有机感光体包括：导电性支持体; 设置在所述导电支撑件上的感光层; 以及设置在感光层上的保护层，其中保护层含有含有2〜50ppm磷原子的氧化铝颗粒，并用具有反应性官能团的化合物A和可固化化合物B进行表面处理，保护层是包含至少由氧化铝粒子和固化性化合物B的表面上的化合物A形成的固化物的固化层。

10. 发明授权

US08679711B2 Electrophotographic photoreceptor 有权
标题翻译：电子照相感光体
公开(公告)号：US08679711B2
公开(公告)日：2014-03-25
申请号：US13163248
申请日：2011-06-17
申请人： Morio Osada , Takeshi Ishida , Toshiyuki Fujita , Seisuke Maeda
发明人： Morio Osada , Takeshi Ishida , Toshiyuki Fujita , Seisuke Maeda
IPC分类号： G03G15/04
CPC分类号： G03G5/14713 , G03G5/14704 , G03G5/1473 , G03G5/14734 , G03G5/14786 , G03G5/14791 , G03G5/14795
摘要： An electrophotographic photoreceptor is disclosed, comprising, on an electrically conductive substrate, a photosensitive layer and a surface layer provided sequentially in that order, in which the surface layer is a layer formed by polymerizing a polymerizable compound (I) containing seven to ten functional groups and exhibiting a reactive group equivalent of not more than 140 and not less than 100.
摘要翻译：公开了一种电子照相感光体，其包括在导电性基板上依次设置感光层和表面层，其中表面层为通过使含有7〜10个官能团的聚合性化合物（I）聚合而形成的层并且表现出不大于140且不小于100的反应性基团当量。

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