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1. 发明申请

US20080187848A1 Electrophotographic Photoreceptor, and Process Cartridge and Image Forming Apparatus Employing the Same 有权
标题翻译：电子照相光感受器，以及使用其的处理盒和成像装置
公开(公告)号：US20080187848A1
公开(公告)日：2008-08-07
申请号：US11861395
申请日：2007-09-26
申请人： Kunihiro OGURA , Hirofumi HAYATA , Masahiko KURACHI , Toshiyuki FUJITA
发明人： Kunihiro OGURA , Hirofumi HAYATA , Masahiko KURACHI , Toshiyuki FUJITA
IPC分类号： G03C1/76 , G03G21/00
CPC分类号： G03G5/0539 , G03G5/0592 , G03G5/0596 , G03G5/14726 , G03G5/14791 , G03G5/14795 , G03G2215/00957
摘要： An objective is to provide a high releasing electrophotographic photoreceptor exhibiting lubricity and mechanical strength. The photoreceptor possessing a photosensitive layer on a conductive support, wherein an outermost layer of the photoreceptor comprises a fluorine resin represented by the following formula. wherein each of X, Y and Z represents a hydrogen atom, a halogen atom, a halogen-substituted alkyl group or a halogen-substituted alkoxy group; at least one of X, Y and Z represents a fluorine atom; each of R4, R5, R6 and R7 represents a hydrogen atom, a halogen atom or a halogen-substituted alkyl group; each of R1, R2, and R3 represents a hydrogen atom, a halogen atom or a halogen-substituted alkyl group; at least one of R1, R2, and R3 represents a fluorine atom; n1 represents an integer of 1-8000; and n2 represents an integer of 0-4000.
摘要翻译：目的是提供具有润滑性和机械强度的高释放电子照相感光体。感光体在导电性载体上具有感光层，其中感光体的最外层包含由下式表示的氟树脂。其中X，Y和Z各自表示氢原子，卤素原子，卤素取代的烷基或卤素取代的烷氧基; X，Y和Z中的至少一个表示氟原子; R 4，R 5，R 6和R 7中的每一个代表氢原子，卤素原子或卤素取代的烷基; R 1，R 2和R 3各自表示氢原子，卤素原子或卤素取代的烷基; R 1，R 2和R 3 3中的至少一个表示氟原子; n 1表示1-8000的整数; n 2表示0〜4000的整数。

2. 发明申请

US20080063960A1 ELECTROPHOTOGRAPHIC PHOTORECEPTOR 审中-公开
标题翻译：电子照相机
公开(公告)号：US20080063960A1
公开(公告)日：2008-03-13
申请号：US11833380
申请日：2007-08-03
申请人： Hirofumi HAYATA , Masahiko KURACHI , Kunihiro OGURA
发明人： Hirofumi HAYATA , Masahiko KURACHI , Kunihiro OGURA
IPC分类号： G03G5/04
CPC分类号： G03G5/1473 , G03G5/14734 , G03G5/14786 , G03G5/14791 , G03G5/14795
摘要： An electrophotographic photoreceptor comprising a photosensitive layer and a protective layer is disclosed. The protective layer comprises a resin which is prepared by allowing at least two acrylic or methacrylic compounds to react, and the acrylic or methacrylic compounds include a minimum acryloyl equivalent compound having minimum acryloyl equivalent and a maximum acryloyl equivalent compound having maximum acryloyl equivalent and relationships 1) and 2) are satisfied; 100≦maximum acryloyl equivalent−minimum acryloyl equivalent≦400 1) 0.1≦weight of minimum acryloyl equivalent compound/weight of maximum acryloyl equivalent compound≦1.6. 2)
摘要翻译：公开了一种包含感光层和保护层的电子照相感光体。保护层包括通过使至少两种丙烯酸或甲基丙烯酸化合物反应制备的树脂，丙烯酸或甲基丙烯酸类化合物包括具有最小丙烯酰基当量的最小丙烯酰当量化合物和具有最大丙烯酰基当量的最大丙烯酰当量化合物和关系1 ）和2）满足; <？in-line-formula description =“In-line Formulas”end =“lead”？> 100 <=最大丙烯酰当量 - 最小丙烯酰当量<= 400 1）<？in-line-formula description =“In-line 公式“end =”tail“？> <？in-line-formula description =”In-line Formulas“end =”lead“？> 0.1 <=最小丙烯酰当量化合物的重量/最大丙烯酰当量化合物的重量<= 1.6 。 2）<？in-line-formula description =“In-line Formulas”end =“tail”？>

3. 发明申请

US20080318147A1 ELECTROPHOTOGRAPHIC TONER, AND IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS EMPLOYING THE SAME 有权
标题翻译：电子照相色彩和图像形成方法以及使用其的图像形成装置
公开(公告)号：US20080318147A1
公开(公告)日：2008-12-25
申请号：US12047380
申请日：2008-03-13
申请人： Toshiyuki FUJITA , Hirofumi HAYATA , Masahiko KURACHI , Kunihiro OGURA
发明人： Toshiyuki FUJITA , Hirofumi HAYATA , Masahiko KURACHI , Kunihiro OGURA
IPC分类号： G03G15/04
CPC分类号： G03G5/14704 , G03G5/14734 , G03G5/14791
摘要： An objective is to provide an electrophotographic photoreceptor having a protective layer in which no unevenness is generated in a coated layer even though a coating solution containing a large addition amount of metal oxide is coated, mechanical strength of a protective layer is high; productivity is high with long life of the coating solution because of no sedimentation of metal oxide, electrical resistivity and mechanical strength are satisfactory, and metal oxide generating no coated layer defect together with no light scattering caused by dispersion failure is dispersed, and also to provide an image forming method and an image forming apparatus employing the electrophotographic photoreceptor. Also disclosed is an electrophotographic photoreceptor possessing a conductive support, at least a photosensitive layer and a protective layer, wherein the protective layer comprises rutile type titanium dioxide and anatase type titanium dioxide.
摘要翻译：目的是提供一种具有保护层的电子照相感光体，即使涂布含有大量添加量的金属氧化物的涂布溶液，保护层的机械强度高，在涂层中也不会产生不均匀性; 生产率高，涂层溶液寿命长，因为金属氧化物没有沉降，电阻率和机械强度都令人满意，分散失效引起的无光散射的金属氧化物不会发生涂层缺陷，而且不产生散射散射，并且还提供图像形成方法和使用电子照相感光体的图像形成装置。还公开了具有导电载体，至少感光层和保护层的电子照相感光体，其中保护层包含金红石型二氧化钛和锐钛矿型二氧化钛。

4. 发明申请

US20080292980A1 ORGANIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE 有权
标题翻译：有机光电器，图像形成装置和工艺盒
公开(公告)号：US20080292980A1
公开(公告)日：2008-11-27
申请号：US12057445
申请日：2008-03-28
申请人： Toshiyuki FUJITA , Hirofumi HAYATA , Masahiko KURACHI , Kunihiro OGURA
发明人： Toshiyuki FUJITA , Hirofumi HAYATA , Masahiko KURACHI , Kunihiro OGURA
IPC分类号： G03C1/73
CPC分类号： G03G5/0614 , G03G5/0542 , G03G5/0564 , G03G5/0696 , G03G5/14704 , G03G5/14791
摘要： Disclosed is an organic photoreceptor comprising on an electrically conductive support a light-sensitive layer and a surface layer, wherein the surface layer comprises a resin formed by curing a photocurable compound containing at least one polar group and at least one photocurable-functional group and a particulate metal oxide having a water absorption of 0.1 to 10%. There are also disclosed an image forming apparatus and a process cartridge.
摘要翻译：公开了一种在导电载体上包含感光层和表面层的有机感光体，其中表面层包括通过固化含有至少一个极性基团和至少一个光固化官能团的光固化性化合物形成的树脂和吸水率为0.1〜10％的颗粒状金属氧化物。还公开了一种图像形成装置和处理盒。

5. 发明申请

US20100104969A1 ORGANIC PHOTOCONDUCTOR, IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS 审中-公开
标题翻译：有机光电子器件，图像形成方法和图像形成装置
公开(公告)号：US20100104969A1
公开(公告)日：2010-04-29
申请号：US12603258
申请日：2009-10-21
申请人： Fumitaka MOCHIZUKI , Shinichi YABUKI , Chigusa YAMANE , Kunihiro OGURA
发明人： Fumitaka MOCHIZUKI , Shinichi YABUKI , Chigusa YAMANE , Kunihiro OGURA
IPC分类号： G03G13/16 , G03G15/00 , G03G5/047
CPC分类号： G03G15/75 , G03G5/047 , G03G5/0605 , G03G5/0614 , G03G5/147 , G03G5/14704
摘要： An organic photoreceptor is disclosed, comprising on an electrically conductive support an intermediate layer, a charge generation layer, a charge transport layer and a protective layer in this order, wherein the protective layer contains inorganic particles in an amount of not less than 5% by mass and not more than 30% by mass, and a skewness (Rsk) of a cross section curve of a surface of the electrically conductive support is within a range of −8
摘要翻译：公开了一种有机感光体，其在导电性载体上依次包含中间层，电荷产生层，电荷输送层和保护层，其中保护层含有不小于5％的量的无机颗粒，质量不超过30质量％，导电性支持体的表面的截面曲线的偏斜度（Rsk）在-8

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