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71. 发明专利

JP2010079131A Corona charging device, process cartridge, and image forming apparatus 有权
标题翻译： CORONA充电装置，工艺盒和图像形成装置
公开(公告)号：JP2010079131A
公开(公告)日：2010-04-08
申请号：JP2008249542
申请日：2008-09-29
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TODA NAOHIRO , YASUDA OSAMU , ORITO TAKESHI , NOSHO SHINJI , YANAGAWA YOSHITERU
IPC分类号： G03G15/02 , G03G5/147
摘要： PROBLEM TO BE SOLVED: To provide a corona charging device for preventing deterioration of a photoreceptor and preventing the occurrence of density unevenness immediately under the charging device, when used in an image forming apparatus of an electrophotographic method.
SOLUTION: A means 10 for adherence of zeolite powder includes a zeolite powder storage pan 10a, and a pad member 10b made of an elastic body that is slidably in contact with zeolite powder stored in the zeolite powder storage pan 10a and is covered with nonwoven fabric or the like for holding zeolite powder on its surface. The pad member 10b can move, with a guiding means (not shown), from one end to the other end of a charging grid 2d in the longitudinal direction of the charging device 2 between a corona discharge electrode 2a and an inner surface 2d1 of a connection 2d3 of the charging grid 2d while a surface 10b1 of the pad member 10b is slidably in contact with the inner surface 2d1 of the charging grid 2d.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：当在电子照相方法的图像形成装置中使用时，提供用于防止感光体劣化的电晕充电装置，并且防止在充电装置正下方发生浓度不均匀。解决方案：用于粘附沸石粉末的装置10包括沸石粉储存盘10a和由与储存在沸石粉储存盘10a中的沸石粉末可滑动地接触并被覆盖的弹性体制成的垫构件10b 用无纺布等在其表面保持沸石粉末。衬垫构件10b可以通过引导装置（未示出）从电荷放电电极2a和电晕放电电极2a的内表面2d1之间沿着充电装置2的纵向方向从充电栅极2d的一端到另一端移动而填充板10b的表面10b1与充电栅格2d的内表面2d1可滑动地接触，则充电栅格2d的连接2d3。（C）2010，JPO＆INPIT

72. 发明专利

JP2010079129A Image forming apparatus and process cartridge 审中-公开
标题翻译：图像形成装置和处理盒
公开(公告)号：JP2010079129A
公开(公告)日：2010-04-08
申请号：JP2008249534
申请日：2008-09-29
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TODA NAOHIRO , YASUDA OSAMU , ORITO TAKESHI , YANAGAWA YOSHITERU , NOSHO SHINJI
IPC分类号： G03G21/10 , G03G5/147 , G03G15/02
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus for preventing the contamination of an image carrier resulting from a discharge product generated by discharge of a corona charging device, and to provide a process cartridge used for this. SOLUTION: A control unit 15 calculates a rotation angle of a zeolite powder layer Z1 that is supplied from a zeolite powder supplying means 10 to a surface of a photoreceptor 1 and is formed at a predetermined width, and a rotation angle until the tip position of the zeolite powder layer Z1 arrives at an immediately under position of the corona charging device 2. Based on these rotation angles, the photoreceptor 1 is rotated, zeolite powder Z is supplied from the zeolite powder supplying means 10 to the surface 1a of the photoreceptor 1, and the zeolite powder layer Z1 of a predetermined width is formed. The zeolite powder layer Z1 is conveyed to the immediately under position of the corona charging device 2, the rotation of the photoreceptor 1 is stopped, and the zeolite powder layer Z1 covers a surface part of the photoreceptor 1 of the immediately under region of the corona charging device 2. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于防止由通过放电电晕充电装置产生的放电产物而导致的图像载体的污染的图像形成装置，并且提供用于其的处理盒。解决方案：控制单元15计算从沸石粉末供给装置10供应到感光体1的表面并以预定宽度形成的沸石粉末层Z1的旋转角度和直到沸石粉末层Z1的尖端位置到达电晕充电装置2的紧下方位置。基于这些旋转角度，感光体1旋转，沸石粉末Z从沸石粉末供给装置10供给到表面1a 形成感光体1和规定宽度的沸石粉末层Z1。沸石粉末层Z1被输送到电晕充电装置2的紧下方位置，停止感光体1的旋转，并且沸石粉末层Z1覆盖电晕的正下方的感光体1的表面部分充电装置2.版权所有（C）2010，JPO＆INPIT

73. 发明专利

JP2010067817A Organic field effect transistor 有权
标题翻译：有机场效应晶体管
公开(公告)号：JP2010067817A
公开(公告)日：2010-03-25
申请号：JP2008233093
申请日：2008-09-11
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HORIUCHI TAMOTSU , ARIGA TAMOTSU , IKUNO HIROSHI , KATO TAKUJI , KOSAKA TOSHIYA , OKADA TAKASHI , YAMAMOTO SATOSHI , ORITO TAKESHI , GOTO DAISUKE , MATSUMOTO SHINJI , MORI MASATAKA , TORII MASASHI
IPC分类号： H01L51/30 , H01L29/786 , H01L51/05 , H01L51/40
摘要： PROBLEM TO BE SOLVED: To provide an organic thin film transistor which has an organic thin film of high stability, high mobility, and a high on/off ratio by using an organic semiconductor which is superior in solubility and has air stability. SOLUTION: In an organic field effect transistor including an organic semiconductor layer, the organic semiconductor layer contains a compound represented by general formula (I). COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过使用溶解度优异且具有空气稳定性的有机半导体，提供具有高稳定性，高迁移率和高开/关比的有机薄膜的有机薄膜晶体管。解决方案：在包含有机半导体层的有机场效应晶体管中，有机半导体层含有由通式（I）表示的化合物。版权所有（C）2010，JPO＆INPIT

74. 发明专利

JP2009260287A Novel organic semiconductor material 有权
标题翻译：新型有机半导体材料
公开(公告)号：JP2009260287A
公开(公告)日：2009-11-05
申请号：JP2009055967
申请日：2009-03-10
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOSAKA TOSHIYA , TORII MASASHI , ARIGA TAMOTSU , KATO TAKUJI , OKADA TAKASHI , YAMAMOTO SATOSHI , GOTO DAISUKE , MATSUMOTO SHINJI , HORIUCHI TAMOTSU , IKUNO HIROSHI , ORITO TAKESHI , MORI MASATAKA
IPC分类号： H01L51/30 , C07D333/18 , G02F1/1368 , H01L21/336 , H01L29/786 , H01L51/05 , H01L51/40
摘要： PROBLEM TO BE SOLVED: To provide a low molecule organic semiconductor material excellent in solubility consisting of thiophene and phenylene, which can be manufactured by simple processes such as coating and printing.
SOLUTION: The organic semiconductor material is represented by general formula (I). In the general formula (I), R
1 , R
2 , R
3 , R
4 , R
5 and R
6 are each independently a substituted or non-substituted alkyl group, a substituted or non-substituted alkoxy group, or a substituted or non-substituted alkylthio group or hydrogen, at least one of R
2 , R
3 , R
5 and R
6 is a substituted or non-substituted alkyl group, a substituted or non-substituted alkoxy group, or a substituted or non-substituted alkylthio group, and n is an integer of 1 to 8.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供由噻吩和亚苯基组成的溶解性优异的低分子有机半导体材料，其可以通过简单的方法如涂布和印刷制造。解决方案：有机半导体材料由通式（I）表示。在通式（I）中，R 1，R 2，R 3，R 3，R 3， SP> 5 和R 6各自独立地为取代或未取代的烷基，取代或未取代的烷氧基，或取代或未取代的烷硫基或氢， R SP 3，R SP 3，R 6，SP 6中的至少一个是取代或未取代的烷基，取代或未取代的烷氧基或取代或未取代的烷硫基，n为1〜8的整数。（C）2010，JPO＆INPIT

75. 发明专利

JP2008292590A Image forming apparatus, image forming method and process cartridge for image forming apparatus 有权
标题翻译：图像形成装置，图像形成方法和图像形成装置的处理盒
公开(公告)号：JP2008292590A
公开(公告)日：2008-12-04
申请号：JP2007135887
申请日：2007-05-22
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TODA NAOHIRO , YANAGAWA YOSHITERU , YASUDA OSAMU , ORITO TAKESHI
IPC分类号： G03G21/00 , G03G5/05 , G03G5/06 , G03G5/147 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus which has high scratch and wear resistances, is highly durable over a long period of time, and provides a high-quality image. SOLUTION: The image forming apparatus comprises: an electrostatic latent image bearing member 1; a charging means 3; an electrostatic latent image forming means 5; a developing means 6; a transfer means 10; a fixing means; a cleaning means 14; and a gas flow generating means 16 to blow a flow of gas on a surface of the electrostatic latent image bearing member, wherein the electrostatic latent image bearing member includes a charge generating layer, a charge transport layer and a crosslinked charge transport layer containing a reaction product of a trifunctional or higher functionality radical polymerizable compound (A) having no charge transporting structure and a monofunctional radical polymerizable compound (B) having a charge transporting structure, and the gas flow generating means 16 blows a flow of gas at a temperature below the atmospheric temperature of the periphery of the electrostatic latent image bearing member 1. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供耐刮擦和耐磨性高的图像形成装置，在长时间内是高度耐用的，并且提供高质量的图像。解决方案：图像形成装置包括：静电潜像承载部件1; 充电装置3; 静电潜像形成装置5; 显影装置6; 传送装置10; 固定装置; 清洁装置14; 以及用于吹送静电潜像承载部件的表面上的气体流的气流产生装置16，其中静电潜像承载部件包括电荷产生层，电荷输送层和含有反应的交联电荷输送层不具有电荷输送结构的三官能或更高官能度的自由基聚合性化合物（A）和具有电荷输送结构的单官能团自由基聚合性化合物（B）的产物，气体产生装置16将气体流在低于静电潜像承载部件1的周边的大气温度。版权所有（C）2009，JPO＆INPIT

76. 发明专利

JP2008107400A Photoreceptor, image forming method, image forming apparatus and process cartridge 有权
标题翻译：照相机，图像形成方法，图像形成装置和处理盒
公开(公告)号：JP2008107400A
公开(公告)日：2008-05-08
申请号：JP2006287605
申请日：2006-10-23
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TODA NAOHIRO , YASUDA OSAMU , ORITO TAKESHI
IPC分类号： G03G5/147 , G03G5/047 , G03G5/06 , G03G5/07
摘要： PROBLEM TO BE SOLVED: To provide a photoreceptor excellent in durability and capable of maintaining stable electric properties and high-quality image formation over a long period of time. SOLUTION: The photoreceptor has a photosensitive layer on a conductive support and also has a surface layer formed by curing a polyvalent acrylate compound such as dipentaerythritol hexaacrylate, a compound represented by formula (I) and a monofunctional radically polymerizable compound having a charge transporting structure, wherein R 11 is H or methyl; R 12 is H, methyl or ethyl; and l is an integer of 3-20. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供耐久性优异的感光体，并能够长时间保持稳定的电性能和高质量的图像形成。感光体在导电性支持体上具有感光层，还具有通过固化多价丙烯酸酯化合物如二季戊四醇六丙烯酸酯，式（I）表示的化合物和具有电荷的单官能自由基聚合性化合物形成的表面层其中R 11是H或甲基; R 12是H，甲基或乙基; l为3-20的整数。版权所有（C）2008，JPO＆INPIT

77. 发明专利

JP2007108670A Electrophotographic photoconductor, image forming apparatus, full-color image forming apparatus and process cartridge 有权
标题翻译：电子照相机，图像形成装置，全彩色图像形成装置和工艺盒
公开(公告)号：JP2007108670A
公开(公告)日：2007-04-26
申请号：JP2006177174
申请日：2006-06-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ORITO TAKESHI , KURIMOTO EIJI , SHIMOYAMA KEISUKE , NIIMI TATSUYA , KAWAMURA SHINICHI
IPC分类号： G03G5/14 , G03G5/06
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoconductor which ensures less variation in electrostatic properties and the occurrence of few abnormal images during repetitive use of an image forming apparatus and under variation in the environment in which the image forming apparatus is placed. SOLUTION: The electrophotographic photoconductor has at least an intermediate layer and a photosensitive layer on an electrically conductive support, wherein the electrophotographic photoconductor contains an electron transport agent represented by formula (A) in the intermediate layer. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种电子照相感光体，其确保在重复使用图像形成装置期间以及在其中放置图像形成装置的环境的变化下，静电特性的变化较小，并且出现少量异常图像。解决方案：电子照相感光体在导电载体上至少具有中间层和感光层，其中电子照相感光体在中间层中含有由式（A）表示的电子传输剂。版权所有（C）2007，JPO＆INPIT

78. 发明专利

JP2007079307A Electrophotographic photoreceptor, image forming apparatus, full-color image forming apparatus and process cartridge 审中-公开
标题翻译：电子照相机，图像形成装置，全彩色图像形成装置和工艺盒
公开(公告)号：JP2007079307A
公开(公告)日：2007-03-29
申请号：JP2005269166
申请日：2005-09-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ORITO TAKESHI , KURIMOTO EIJI , SHIMOYAMA KEISUKE , NIIMI TATSUYA , KAWAMURA SHINICHI
IPC分类号： G03G5/14 , G03G5/06
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which ensures less variation in electrostatic properties and occurrence of few abnormal images in repetitive use of an image forming apparatus and under variation of the environment in which the image forming apparatus is set, and to provide the image forming apparatus and a full-color image forming apparatus capable of outputting always stable images and a process cartridge having high convenience of handling by using the electrophotographic photoreceptor. SOLUTION: The electrophotographic photoreceptor has at least an undercoat layer and a photosensitive layer on a conductive support, wherein the undercoat layer contains two metal oxides different in average particle diameter, and the average particle diameter (D1) of the larger-particle-diameter metal oxide (T1) and the average particle diameter (D2) of the other metal oxide (T2) satisfy a relationship of 0.2 COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种电子照相感光体，其确保在重复使用图像形成装置时以及在其中设置图像形成装置的环境的变化下静电特性的变化小和少量异常图像的发生，以及以提供能够输出始终稳定的图像的图像形成装置和能够输出总是稳定的图像的全色图像形成装置以及通过使用电子照相感光体而具有高操作方便性的处理盒。电解光感光体在导电性支持体上至少具有底涂层和感光层，其中底涂层含有两种平均粒径不同的金属氧化物，较大颗粒的平均粒径（D1）直径金属氧化物（T1）和其他金属氧化物（T2）的平均粒径（D2）满足0.2 <（D2 / D1）≤0.5的关系，并且其中电子照相感光体具有由式（1）在感光层中。版权所有（C）2007，JPO＆INPIT

79. 发明专利

JP2006293130A Electrophotographic photoreceptor, electrophotographic apparatus, and process cartridge for electrophotographic apparatus 有权
标题翻译：电子照相设备，电子照相设备和电子照相设备的处理盒
公开(公告)号：JP2006293130A
公开(公告)日：2006-10-26
申请号：JP2005115454
申请日：2005-04-13
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TODA NAOHIRO , YAMASHITA YASUYUKI , ORITO TAKESHI
IPC分类号： G03G5/14 , G03G5/00 , G03G5/047 , G03G5/05 , G03G5/06 , G03G5/147
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor free of occurrence of an abnormal image such as lowering of image density or background stain even after long-term repeated use and capable of performing stable image formation from the first rotation of the photoreceptor. SOLUTION: The electrophotographic photoreceptor is obtained by stacking at least a charge blocking layer, a moire preventing layer and a photosensitive layer in this order on a conductive support, wherein the moire preventing layer contains titanium dioxide of ≥99.0% purity consisting of titanium dioxide (T1) having a specific surface area of 5-8 m 2 /g and titanium dioxide (T2) having a specific surface area of 20-35 m 2 /g and a binder resin, and the moire preventing layer has a titanium oxide content of 50-75 vol.%. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供即使在长期重复使用之后也不会出现异常图像的图像浓度或背景污染降低的电子照相感光体，并且能够从感光体的第一次旋转执行稳定的图像形成。解决方案：电子照相感光体是通过在导电性载体上依次层叠至少电荷阻挡层，防雾层和感光层而获得的，其中，防雾层包含纯度≥99.0％的二氧化钛，纯度为具有比表面积为5-8μmSP 2 / g的二氧化钛（T1）和比表面积为20-35μm2的二氧化钛（T2）/ SP / g和粘合剂树脂，并且防雾层的氧化钛含量为50-75体积％。版权所有（C）2007，JPO＆INPIT

80. 发明专利

JP2012111077A INKJET RECORDING APPARATUS 审中-公开
公开(公告)号：JP2012111077A
公开(公告)日：2012-06-14
申请号：JP2010260327
申请日：2010-11-22
申请人： RICOH CO LTD
发明人： SAKUMA HIDEOMI , TSUKAMOTO TAKEO , SEO MANABU , USUI YUMA , ORITO TAKESHI , SUZUKI RYOTA
IPC分类号： B41J2/165
摘要： PROBLEM TO BE SOLVED: To provide an inkjet recording apparatus that can eliminate a problem of a color mixture and shorten a first printing time without putting extra nipping pressure in capping, and enlarging its configuration regarding the apparatus where capping is conducted by using an intermediate transfer body.SOLUTION: A recording head 10 and a recording liquid tank are connected via a recording liquid passage where a pump 17 is provided as a pressure adjusting mechanism. In the capping when a nozzle surface 12 of a recording head 10 is capped by a surface of the intermediate transfer body 20, the negative pressure of the recording head 10 is increased by controlling the pump 17 as shown in Fig.2(b).

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