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41. 发明授权

US06858362B2 Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor 有权
标题翻译：电子照相感光体，以及使用感光体的成像方法和装置
公开(公告)号：US06858362B2
公开(公告)日：2005-02-22
申请号：US10625408
申请日：2003-07-23
申请人： Nozomu Tamoto , Tetsuro Suzuki , Hiroshi Tamura , Tatsuya Niimi , Akihiko Matsuyama , Eiji Kurimoto , Hidetoshi Kami
发明人： Nozomu Tamoto , Tetsuro Suzuki , Hiroshi Tamura , Tatsuya Niimi , Akihiko Matsuyama , Eiji Kurimoto , Hidetoshi Kami
IPC分类号： G03G5/05 , G03G5/147
CPC分类号： G03G5/0514 , G03G5/0507 , G03G5/051 , G03G5/14704 , G03G5/14708 , Y10S430/103
摘要： An electrophotographic photoreceptor including an electroconductive substrate, a photosensitive layer located overlying the electroconductive substrate, and optionally a protective layer overlying the photosensitive layer, wherein an outermost layer of the photoreceptor includes a filler, a binder resin and an organic compound having an acid value of from 10 to 700 mgKOH/g. The photosensitive layer can be the outermost layer. A coating liquid for an outermost layer of a photoreceptor including a filler, a binder resin, an organic compound having an acid value of from 10 to 700 mgKOH/g and plural organic solvents. A method for preparing a photoreceptor including forming a photosensitive layer, and coating the coating liquid on the photosensitive layer. An image forming method and apparatus and a process cartridge using the photoreceptor are also provided.
摘要翻译：包括导电基片的电子照相感光体，位于导电基底上的感光层，以及任选地覆盖感光层的保护层，其中感光体的最外层包括填料，粘合剂树脂和酸值为 10至700mgKOH / g。感光层可以是最外层。包含填充剂，粘合剂树脂，酸值为10〜700mgKOH / g的有机化合物和多种有机溶剂的感光体的最外层的涂布液。一种制备感光体的方法，包括形成感光层，并将涂布液涂覆在感光层上。还提供了一种图像形成方法和装置以及使用感光体的处理盒。

42. 发明授权

US06576388B2 Multilayer electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge using the photoreceptor 有权
公开(公告)号：US06576388B2
公开(公告)日：2003-06-10
申请号：US09985368
申请日：2001-11-02
申请人： Yohta Sakon , Akio Kosuge , Tatsuya Niimi , Narihito Kojima
发明人： Yohta Sakon , Akio Kosuge , Tatsuya Niimi , Narihito Kojima
IPC分类号： G03G514
CPC分类号： G03G5/14708 , G03G5/14704
摘要： An electrophotographic photoreceptor including at least an electroconductive substrate; and a photosensitive layer overlying the electroconductive substrate and including at least a charge generation layer; a charge transport layer; and a protective layer including a filler, wherein the filler is dispersed in the protective layer so as to occupy an area of from 3 to 5% of a cross section of the protective layer; the filler has particle diameter distribution having a peak at a diameter of from 0.2 to 0.3 &mgr;m; and the particles of the filler having a particle diameter of not less than 0.3 &mgr;m occupies an area of from 10 to 30% of the area of all the filler in the cross section of the protective layer.

43. 发明授权

US06558863B2 Electrophotographic photoreceptor, electrophotographic image forming method and apparatus using the photoreceptor 有权
标题翻译：电子照相感光体，电子照相图像形成方法和使用感光体的装置
公开(公告)号：US06558863B2
公开(公告)日：2003-05-06
申请号：US09734718
申请日：2000-12-13
申请人： Takashi Rokutanzono , Tamotsu Aruga , Tatsuya Niimi , Yoshiaki Kawasaki
发明人： Takashi Rokutanzono , Tamotsu Aruga , Tatsuya Niimi , Yoshiaki Kawasaki
IPC分类号： G03G5047
CPC分类号： G03G5/0696 , G03G5/0507
摘要： A photoreceptor including an electroconductive substrate and a photosensitive layer which is formed on the electroconductive substrate and which includes a charge generation material, wherein the charge generation material comprises an organic pigment and wherein the photosensitive layer further includes at least one ion selected from the group consisting of K+, Na+, NO3−, HCOO−, NO2−, Cl−, Br−, and NH4+ or one or more water-soluble inorganic salts.
摘要翻译：一种感光体，其包括形成在导电性基体上的导电性基体和感光层，该感光层包括电荷产生材料，其中电荷产生材料包含有机颜料，并且其中感光层还包括至少一种选自以下的离子：的K +，Na +，NO 3 - ，HCOO-，NO 2 - ，Cl - ，Br - 和NH 4 +或一种或多种水溶性无机盐。

44. 发明授权

US06326112B1 Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the photoreceptor 有权
标题翻译：电子照相感光体，以及使用感光体的处理盒和成像装置
公开(公告)号：US06326112B1
公开(公告)日：2001-12-04
申请号：US09642117
申请日：2000-08-21
申请人： Hiroshi Tamura , Hidetoshi Kami , Katsuichi Ohta , Tetsuro Suzuki , Tatsuya Niimi , Narihito Kojima
发明人： Hiroshi Tamura , Hidetoshi Kami , Katsuichi Ohta , Tetsuro Suzuki , Tatsuya Niimi , Narihito Kojima
IPC分类号： G03G5047
CPC分类号： G03G5/076
摘要： An electrophotographic photoreceptor which includes an electroconductive substrate, and a photosensitive layer which is formed overlying the substrate, wherein the photosensitive layer includes a charge generation material, a charge transport polymer material including triarylamine structure and a soft segment in a main chain thereof, and a filler.
摘要翻译：一种电子照相感光体，包括导电性基体和形成在基材上的感光层，其中感光层包括电荷产生材料，包含三芳胺结构的电荷传输聚合物材料和主链中的软链段，填料。

45. 发明授权

US06218533B1 Method for manufacturing pigment, electrophotographic photoconductor using the pigment and electrophotographic image forming method and apparatus using the photoconductor 有权
标题翻译：使用颜料的电子照相感光体的制造方法以及使用该感光体的电子照相图像形成方法和装置
公开(公告)号：US06218533B1
公开(公告)日：2001-04-17
申请号：US09612755
申请日：2000-07-07
申请人： Tatsuya Niimi
发明人： Tatsuya Niimi
IPC分类号： C09B4708
CPC分类号： G03G5/0525 , G03G5/047 , G03G5/0696
摘要： A method of manufacturing an organic pigment including the steps of providing an organic pigment wet cake which includes at least an organic pigment and a solvent and drying the organic pigment wet cake while the wet cake is heated at a temperature higher than room temperature to prepare a powder of the organic pigment, wherein the organic pigment is present in the organic pigment wet cake in an amount of not greater than about 70% by weight.
摘要翻译：一种制造有机颜料的方法，包括以下步骤：提供至少包含有机颜料和溶剂的有机颜料湿饼，并在湿饼在高于室温的温度下加热干燥有机颜料湿滤饼，以制备有机颜料的粉末，其中有机颜料以不大于约70重量％的量存在于有机颜料湿饼中。

46. 发明授权

US5804343A Electrophotographic photoconductor 失效
标题翻译：电子照相感光体
公开(公告)号：US5804343A
公开(公告)日：1998-09-08
申请号：US590900
申请日：1996-01-24
申请人： Minoru Umeda , Tatsuya Niimi
发明人： Minoru Umeda , Tatsuya Niimi
IPC分类号： G03G5/047 , G03G5/07
CPC分类号： G03G5/047 , G03G5/071 , G03G5/076 , G03G5/078
摘要： An electrophotographic photoconductor including an electroconductive support and a photoconductive layer formed thereon, which has at least a charge generation layer containing a charge generating material and a polymeric charge transporting material, and a charge transport layer containing a polymeric charge transporting material.
摘要翻译：包含形成在其上的导电载体和光电导层的电子照相感光体，其具有至少包含电荷产生材料和聚合物电荷输送材料的电荷产生层，以及含有聚合物电荷输送材料的电荷输送层。

47. 发明授权

US07785762B2 Image forming apparatus and image forming method 有权
标题翻译：图像形成装置及图像形成方法
公开(公告)号：US07785762B2
公开(公告)日：2010-08-31
申请号：US11611179
申请日：2006-12-15
申请人： Tatsuya Niimi
发明人： Tatsuya Niimi
IPC分类号： G03G21/06
CPC分类号： G03G5/142 , G03G5/0546 , G03G5/0592 , G03G5/0614 , G03G5/0679 , G03G5/0696 , G03G5/071 , G03G5/144 , G03G5/14734 , G03G5/14791 , G03G15/751 , G03G21/08
摘要： An image forming apparatus including an image bearing member for bearing a latent electrostatic image including a substrate, an intermediate layer containing a metal oxide, a photosensitive layer including a charge transport layer and a charge generating layer containing an organic charge genetrating material, an image forming device for forming the latent electrostatic image on the image bearing member, a developing device for developing the latent electrostatic image with a toner to form a visualized image, a transfer device for transferring the visualized image to a recording medium, a fixing device for fixing the transferred image on the recording medium; and a discharging device including a light source that provides light having a wavelength shorter than 500 nm for optically discharging the image bearing member to remove remaining charges thereon by irradiating the image bearing member with light having a wavelength shorter than 500 nm which is absorbed by the metal oxide in the intermediate layer.
摘要翻译：一种图像形成装置，包括用于承载包括基底的静电潜像的图像承载部件，包含金属氧化物的中间层，包含电荷输送层的感光层和包含有机电荷基因分析材料的电荷产生层，成像用于在图像承载部件上形成静电潜像的装置，用调色剂显影静电潜像以形成可视化图像的显影装置，用于将可视图像转印到记录介质的转印装置，用于固定在记录介质上转印图像; 以及放电装置，其包括提供波长短于500nm的光的光源，用于通过用波长短于500nm的光照射图像承载部件来光学排出图像承载部件以去除其上的剩余电荷，中间层中的金属氧化物。

48. 发明申请

US20090238591A1 Image forming condition adjustment control for image forming apparatus 有权
标题翻译：图像形成装置的图像形成条件调整控制
公开(公告)号：US20090238591A1
公开(公告)日：2009-09-24
申请号：US12382506
申请日：2009-03-18
申请人： Naoto Watanabe , Tatsuya Niimi , Hitoshi Ishibashi
发明人： Naoto Watanabe , Tatsuya Niimi , Hitoshi Ishibashi
IPC分类号： G03G15/043 , G03G15/06
CPC分类号： G03G15/5037
摘要： An image forming apparatus includes a charge unit, an exposure unit, an exposure voltage detector, a development unit, and a concentration detector. The exposure voltage detector detects a potential of latent image formed as a test pattern on an image carrier. The concentration detector detects concentration of developed test pattern. The image forming apparatus further includes an exposure power controller, an exposure ratio controller, a charging voltage controller, a development bias voltage controller, and an image forming condition adjustment controller. A suitable image forming condition is computed using test patterns formed by changing combinations of charging voltage, exposure power, and exposure duty. The charging voltage is changed in two levels or more. The exposure power is changed in three levels or more. The exposure duty per unit area is changed in two levels or more.
摘要翻译：图像形成装置包括充电单元，曝光单元，曝光电压检测器，显影单元和浓度检测器。曝光电压检测器检测在图像载体上形成为测试图案的潜像的电位。浓度检测器检测显影测试图案的浓度。图像形成装置还包括曝光功率控制器，曝光比率控制器，充电电压控制器，显影偏压控制器和图像形成条件调节控制器。使用通过改变充电电压，曝光功率和曝光占空比的组合形成的测试图案来计算合适的图像形成条件。充电电压在两个等级以上更改。曝光功率在三个等级以上更改。每单位面积的曝光负荷在两个等级以上更改。

49. 发明授权

US07442479B2 Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the electrophotographic photoreceptor 有权
标题翻译：电子照相感光体，以及使用电子照相感光体的成像设备和处理盒
公开(公告)号：US07442479B2
公开(公告)日：2008-10-28
申请号：US11166382
申请日：2005-06-27
申请人： Tatsuya Niimi
发明人： Tatsuya Niimi
IPC分类号： G03G15/02
CPC分类号： G03G5/0592 , G03G5/0557 , G03G5/0571 , G03G5/0596 , G03G5/0607 , G03G5/0609 , G03G5/0679 , G03G5/142 , G03G5/144 , G03G5/14704 , G03G5/14786 , G03G5/14791 , G03G5/14795
摘要： A photoreceptor including at least an electroconductive substrate, and a charge blocking layer, a moiré preventing layer, and a photosensitive layer, which are located overlying the electroconductive substrate in this order, wherein the photosensitive layer includes an azo pigment having a fluorenone skeleton. The photosensitive layer is preferably prepared by coating a coating liquid including a dispersion which is prepared by dispersing the azo pigment in a solvent to an extent such that the average particle diameter of the azo pigment is not greater than 0.3 μm and the standard deviation of the particle diameter is not greater than 0.2 μm, followed by filtering with a filter having an effective pore diameter not greater than 5 μm. An image forming apparatus and a process cartridge including the photoreceptor.
摘要翻译：感光体包括依次位于导电性基体上方的至少导电性基材，电荷阻挡层，防雾层，感光层，感光层含有具有芴酮骨架的偶氮颜料。感光层优选通过涂布包括通过将偶氮颜料分散在溶剂中而制备的分散体的涂布液来制备，使得偶氮颜料的平均粒径不大于0.3μm，并且粒径不大于0.2μm，然后用有效孔径不大于5μm的过滤器过滤。图像形成装置和包括感光体的处理盒。

50. 发明授权

US07371497B2 Electrophotographic image forming method 有权
标题翻译：电子照相成像方法
公开(公告)号：US07371497B2
公开(公告)日：2008-05-13
申请号：US11264102
申请日：2005-11-02
申请人： Naohiro Toda , Tatsuya Niimi
发明人： Naohiro Toda , Tatsuya Niimi
IPC分类号： G03G13/16
CPC分类号： G03G5/0696 , G03G2215/00957
摘要： An electrophotographic image forming apparatus comprising: an electrophotographic photoreceptor comprising: an electroconductive substrate; a charge generation layer; and a charge transport layer in this order, a charger; an irradiator; an image developer; and a transferer applying an electric current not less than 65 μA to the electrophotographic photoreceptor, wherein the charge generation layer comprises titanylphthalocyanine crystals having a CuKα 1.542 Å X-ray diffraction spectrum having plural diffraction peaks, wherein a maximum diffraction peak is observed at a Bragg (2θ) angle of 27.2°; main peaks are observed at 9.4°, 9.6° and 24.0°; and a minimum diffraction peak is observed at 7.3°; and no diffraction peak is observed at an angle greater than 7.3° and less than 9.4°, wherein said angles may vary by ±0.2° and the minimum interval where no peak is observed between required peaks at 7.3 and 9.4 is 2.0 degrees absolute or more.
摘要翻译：一种电子照相图像形成装置，包括：电子照相感光体，包括：导电基片; 电荷产生层; 和电荷输送层，充电器; 辐照器图像开发人员以及向电子照相感光体施加不小于65μA的电流的转移器，其中电荷产生层包含具有多个衍射峰的CuKα1.542AX射线衍射光谱的钛氧基酞菁晶体，其中在Bragg观察到最大衍射峰（2θ）角为27.2°; 在9.4°，9.6°和24.0°观察到主峰; 并且在7.3°处观察到最小衍射峰; 并且在大于7.3°且小于9.4°的角度处未观察到衍射峰，其中所述角度可以变化±0.2°，并且在7.3和9.4的所需峰之间没有观察到峰值的最小间隔为2.0度绝对值或更大。

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