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1. 发明授权

US6055404A Cleaning device for electrophotographic apparatus, electrophotographic apparatus, method for cleaning light receiving member of electrophotographic apparatus, and electrophotographic process comprising the cleaning method 有权
标题翻译：用于电子照相设备的清洁装置，电子照相设备，用于清洁电子照相设备的光接收元件的方法和包括该清洁方法的电子照相方法
公开(公告)号：US6055404A
公开(公告)日：2000-04-25
申请号：US309765
申请日：1999-05-11
申请人： Koji Yamazaki , Toshiyuki Ehara , Yuji Nakayama , Hironori Ohwaki
发明人： Koji Yamazaki , Toshiyuki Ehara , Yuji Nakayama , Hironori Ohwaki
IPC分类号： G03G5/082 , G03G21/00
CPC分类号： G03G5/08214 , G03G21/0017
摘要： In order to prevent uneven shaving of a light receiving member and fusion of a developer, a surface of the light receiving member after development and transfer of the developer is scrape-cleaned with an elastic rubber blade, the wear loss of the light receiving member after copying steps on transfer sheets is within a range of not less than 1 .ANG./10,000 rotations nor more than 10 .ANG./10,000 rotations.
摘要翻译：为了防止光接收部件的不均匀的剃刮和显影剂的熔融，显影和显影转印后的光接收部件的表面用弹性橡胶刮刀刮擦，光接收部件的磨损量经过转印纸上的复印步骤在不小于1安格/ 10,000转，不超过10安格/ 10,000转的范围内。

2. 发明授权

US06531253B2 Electrophotographic photosensitive member and apparatus using same 有权
公开(公告)号：US06531253B2
公开(公告)日：2003-03-11
申请号：US09819759
申请日：2001-03-29
申请人： Toshiyuki Ehara , Koji Yamazaki , Masaya Kawada , Tetsuya Karaki , Hironori Ohwaki , Kunimasa Kawamura
发明人： Toshiyuki Ehara , Koji Yamazaki , Masaya Kawada , Tetsuya Karaki , Hironori Ohwaki , Kunimasa Kawamura
IPC分类号： G03G508
CPC分类号： G03G5/14704 , G03G5/0525 , G03G5/08214 , G03G5/08221
摘要： An a-Si photosensitive member and an image forming apparatus are provided which prevent fusion bonding in digital copying machines and attain satisfactory image formation. Specifically, in order that even when uneven abrasion occurs on a drum surface layer, it may not substantially affect the image, a photosensitive member formed by successively stacking on a conductive substrate a photoconductive layer comprising amorphous Si and a surface protective layer comprised of an amorphous material is provided such that the spectral reflectance (%) satisfies the relation of 0≦(Max−Min)/(Max+Min)≦0.20, and a center line average roughness Ra1 of the interface on the surface side of the photoconductive layer and the center line average roughness Ra2 of the outermost surface of the surface layer, within the range of 10 &mgr;m×10 &mgr;m, satisfy the relations of Ra1/Ra2≧1.3 and 22 nm≦Ra1≦100 nm.

3. 发明授权

US5983043A Potential measuring apparatus and potential measuring method 有权
标题翻译：潜在的测量仪器和电位测量方法
公开(公告)号：US5983043A
公开(公告)日：1999-11-09
申请号：US218628
申请日：1998-12-22
申请人： Hironori Ohwaki , Koji Yamazaki , Toshiyuki Ehara , Masaya Kawada , Takaaki Kaya , Tetsuya Karaki
发明人： Hironori Ohwaki , Koji Yamazaki , Toshiyuki Ehara , Masaya Kawada , Takaaki Kaya , Tetsuya Karaki
IPC分类号： G01R29/12 , G03G15/00 , G03G21/00
CPC分类号： G03G15/5037 , G01R29/12
摘要： In a surface potential measuring apparatus for measuring a potential configuration by moving a photosensitive body of an image forming apparatus of electrophotographic type and at least one potential sensor relative to each other and by generating dielectric current in the potential sensor due to change in potential on a surface of the photosensitive body and by analyzing the dielectric current, a width of a detecting portion of the potential sensor is smaller than a width of the change in potential to be measured, and a sectional shape of the detecting portion in a plane perpendicular to the surface of the photosensitive body and parallel to the relative movement direction does not include any edge.
摘要翻译：在表面电位测量装置中，用于通过使电子照相类型的图像形成装置的感光体和至少一个电位传感器相对于彼此移动并且通过在电位传感器中产生电介质电流来测量电位结构，感光体的表面，并且通过分析电介质电流，电位传感器的检测部分的宽度小于待测电位变化的宽度，并且检测部分在垂直于感光体的平面中的截面形状感光体的表面并且平行于相对运动方向不包括任何边缘。

4. 发明授权

US07033717B2 Process for producing electrophotographic photosensitive member, and electrophotographic photosensitive member and electrophotographic apparatus making use of the same 失效
标题翻译：用于制造电子照相感光构件的方法和使用其的电子照相感光构件和电子照相设备
公开(公告)号：US07033717B2
公开(公告)日：2006-04-25
申请号：US10630772
申请日：2003-07-31
申请人： Satoshi Kojima , Toshiyuki Ehara , Hideaki Matsuoka , Junichiro Hashizume , Ryuji Okamura , Koji Hitsuishi , Hironori Ohwaki , Kazuto Hosoi
发明人： Satoshi Kojima , Toshiyuki Ehara , Hideaki Matsuoka , Junichiro Hashizume , Ryuji Okamura , Koji Hitsuishi , Hironori Ohwaki , Kazuto Hosoi
IPC分类号： G03G15/04
CPC分类号： G03G5/08221 , G03G5/08278
摘要： An electrophotographic photosensitive member production process is provided having the steps of placing a cylindrical substrate having a conductive surface in a first film-forming chamber, and decomposing a source gas with high-frequency power to deposit on the cylindrical substrate a first layer formed of a non-single-crystal material, taking out of the first film-forming chamber the cylindrical substrate with the first layer deposited thereon, and placing the cylindrical substrate with the first layer deposited thereon in a second film-forming chamber, and decomposing a source gas with a high-frequency power to deposit on the first layer a second layer having an upper-part blocking layer formed of a non-single-crystal material. Even where abnormal growth portions called spherical protuberances are present on the photosensitive member surface, they can be made not to appear on images, and image defects can vastly be remedied.
摘要翻译：提供一种电子照相感光构件制造方法，其具有以下步骤：将具有导电表面的圆柱形基材放置在第一成膜室中，并且以高频电力分解源气体以沉积在圆柱形基板上，形成第一层非单晶材料，从第一成膜室取出其上沉积有第一层的圆柱形基板，并将其上沉积有第一层的圆柱形基板放置在第二成膜室中，并将源气体具有高频功率以在第一层上沉积具有由非单晶材料形成的上部阻挡层的第二层。即使在感光构件表面上存在称为球形隆起物的异常生长部分，也可以使其不会出现在图像上，并且可以大大地补救图像缺陷。

5. 发明授权

US06534228B2 Electrophotographic photosensitive member and image forming apparatus 有权
公开(公告)号：US06534228B2
公开(公告)日：2003-03-18
申请号：US09859422
申请日：2001-05-18
申请人： Masaya Kawada , Toshiyuki Ehara , Tetsuya Karaki , Hironori Ohwaki , Kunimasa Kawamura
发明人： Masaya Kawada , Toshiyuki Ehara , Tetsuya Karaki , Hironori Ohwaki , Kunimasa Kawamura
IPC分类号： G03G5147
CPC分类号： G03G5/102 , G03G5/043 , G03G5/0503 , G03G5/0507 , G03G5/0525 , G03G5/08214 , G03G5/10 , G03G5/147
摘要： To provide a Si photosensitive member and an image forming apparatus which prevents toner adherence at the time of cleaning and forms an excellent image, an electrophotographic photosensitive member comprising a photoconductive layer including amorphous Si and a surface protective layer which are formed on an electroconductive substrate has a difference in the height of concave and convex corresponding to 90% and 50% of a cumulative frequency of the height of concave and convex with respect to the most deepest point of surface roughness concave and convex within a range of 10 &mgr;m×10 &mgr;m of the photosensitive member as a standard which is set within a range of 3 nm to 200 nm.

6. 发明授权

US06529223B2 Image forming apparatus with light beam control 有权
标题翻译：具有光束控制的图像形成装置
公开(公告)号：US06529223B2
公开(公告)日：2003-03-04
申请号：US09866788
申请日：2001-05-30
申请人： Hironori Ohwaki , Toshiyuki Ehara , Masaya Kawada
发明人： Hironori Ohwaki , Toshiyuki Ehara , Masaya Kawada
IPC分类号： G03G1500
CPC分类号： H04N1/29 , G06K15/1209
摘要： An object of the present invention is to provide an image forming apparatus that has an image bearing body, charging device for charging the image bearing body, and exposing device for exposing the image bearing body charged by the charging device, wherein the exposing device illuminates a light beam for each of pixels corresponding to a non-imaged portion of a pixel matrix having plural rows and plural columns, and wherein, when it is assumed that a width of one pixel in the pixel matrix is A and a distribution width in a half value of a maximum potential value of potential distribution formed in OFF of light beam illumination of one pixel is Wv, a following relationship is satisfied: 0.6≦Wv/A≦1.4.
摘要翻译：本发明的目的是提供一种图像形成装置，其具有图像承载体，用于对图像承载体充电的充电装置和用于曝光由充电装置充电的图像承载体的曝光装置，其中，曝光装置照亮对应于具有多行和多列的像素矩阵的未成像部分的每个像素的光束，并且其中，当假定像素矩阵中的一个像素的宽度为A，并且分布宽度为一半在一个像素的光束照明的OFF处形成的电位分布的最大电位值的值为Wv，满足以下关系：

7. 发明授权

US07060406B2 Light-receiving member, image-forming apparatus, and image-forming method 失效
公开(公告)号：US07060406B2
公开(公告)日：2006-06-13
申请号：US10427901
申请日：2003-05-02
申请人： Kunimasa Kawamura , Shigenori Ueda , Toshiyuki Ehara , Junichiro Hashizume , Ryuji Okamura , Masaya Kawada , Tetsuya Karaki , Hironori Ohwaki
发明人： Kunimasa Kawamura , Shigenori Ueda , Toshiyuki Ehara , Junichiro Hashizume , Ryuji Okamura , Masaya Kawada , Tetsuya Karaki , Hironori Ohwaki
IPC分类号： G03G5/82 , G03G13/08
CPC分类号： G03G5/10 , G03G5/08221 , G03G5/14 , G03G5/147 , G03G5/14704
摘要： A light-receiving member comprising a conductive substrate, and formed superposingly thereon a photosensitive layer and a surface protective layer in order. The light-receiving member has a surface roughness Ra of from 15 nm to 100 nm. Also disclosed is an image-forming apparatus having such a light-receiving member, and an image-forming method of rendering visible an electrostatic pattern formed on the light-receiving member. The light-receiving member promises stable formation of images over a long period of time.

8. 发明申请

US20050153223A1 Process for producing electrophotographic photosensitive member, and electrophotographic photosensitive member and electrophotographic apparatus making use of the same 失效
标题翻译：用于制造电子照相感光构件的方法和使用其的电子照相感光构件和电子照相设备
公开(公告)号：US20050153223A1
公开(公告)日：2005-07-14
申请号：US10630772
申请日：2003-07-31
申请人： Satoshi Kojima , Toshiyuki Ehara , Hideaki Matsuoka , Junichiro Hashizume , Ryuji Okamura , Koji Hitsuishi , Hironori Ohwaki , Kazuto Hosoi
发明人： Satoshi Kojima , Toshiyuki Ehara , Hideaki Matsuoka , Junichiro Hashizume , Ryuji Okamura , Koji Hitsuishi , Hironori Ohwaki , Kazuto Hosoi
IPC分类号： G03G5/082 , G03G15/04
CPC分类号： G03G5/08221 , G03G5/08278
摘要： An electrophotographic photosensitive member production process is provided having the steps of placing a cylindrical substrate having a conductive surface in a first film-forming chamber, and decomposing a source gas with high-frequency power to deposit on the cylindrical substrate a first layer formed of a non-single-crystal material, taking out of the first film-forming chamber the cylindrical substrate with the first layer deposited thereon, and placing the cylindrical substrate with the first layer deposited thereon in a second film-forming chamber, and decomposing a source gas with a high-frequency power to deposit on the first layer a second layer having an upper-part blocking layer formed of a non-single-crystal material. Even where abnormal growth portions called spherical protuberances are present on the photosensitive member surface, they can be made not to appear on images, and image defects can vastly be remedied.
摘要翻译：提供一种电子照相感光构件制造方法，其具有以下步骤：将具有导电表面的圆柱形基材放置在第一成膜室中，并且以高频电力分解源气体以沉积在圆柱形基板上，形成第一层非单晶材料，从第一成膜室取出其上沉积有第一层的圆柱形基板，并将其上沉积有第一层的圆柱形基板放置在第二成膜室中，并将源气体具有高频功率以在第一层上沉积具有由非单晶材料形成的上部阻挡层的第二层。即使在感光构件表面上存在称为球形隆起物的异常生长部分，也可以使其不会出现在图像上，并且可以大大地补救图像缺陷。

9. 发明授权

US06333755B1 Electrophotographic apparatus 有权
标题翻译：电子照相设备
公开(公告)号：US06333755B1
公开(公告)日：2001-12-25
申请号：US09655343
申请日：2000-09-05
申请人： Toshiyuki Ehara , Masaya Kawada , Hironori Ohwaki
发明人： Toshiyuki Ehara , Masaya Kawada , Hironori Ohwaki
IPC分类号： B41J2385
CPC分类号： H04N1/29 , G03G15/04054 , G03G15/04072 , G03G15/0435 , G03G15/326
摘要： An electrophotographic apparatus includes a photosensitive body and electrostatic image forming device for forming an electrostatic image on the photosensitive body. The electrostatic image forming device includes an exposing device for exposing the photosensitive body by a digital light in accordance with image information. The exposing device exposes a portion that is a background for an image. A developing device develops the electrostatic image using a developer, wherein a rate throughout the developer of the contained particles have a diameter equal to or smaller than 1 &mgr;m is 5 to 40 number %, and wherein, when A denotes a one-pixel width and Wv denotes a width at half value of a peak in a potential distribution of the electrostatic image formed by exposing the photosensitive drum using the digital light of one pixel, 0.6≦Wv/A≦1.0 is satisfied.
摘要翻译：电子照相设备包括用于在感光体上形成静电图像的感光体和静电图像形成装置。静电图像形成装置包括用于根据图像信息通过数字光使感光体曝光的曝光装置。曝光设备暴露作为图像背景的部分。显影装置使用显影剂显影静电图像，其中所包含的颗粒的整个显影剂的直径等于或小于1um的直径为5至40个数，并且其中当A表示一个像素宽度和 Wv表示通过使用一个像素的数字光曝光感光鼓形成的静电图像的电位分布中的峰值的半值处的宽度，满足0.6 <= Wv / A <= 1.0。

10. 发明授权

US07033721B2 Method for producing electrophotographic photosensitive member, electrophotographic photosensitive member and electrophotographic apparatus using the same 失效
标题翻译：电子照相感光构件的制造方法，电子照相感光构件和使用其的电子照相设备
公开(公告)号：US07033721B2
公开(公告)日：2006-04-25
申请号：US10630727
申请日：2003-07-31
申请人： Junichiro Hashizume , Toshiyuki Ehara , Hideaki Matsuoka , Ryuji Okamura , Koji Hitsuishi , Satoshi Kojima , Hironori Ohwaki , Kazuto Hosoi
发明人： Junichiro Hashizume , Toshiyuki Ehara , Hideaki Matsuoka , Ryuji Okamura , Koji Hitsuishi , Satoshi Kojima , Hironori Ohwaki , Kazuto Hosoi
IPC分类号： G03G5/082 , C23C16/22
CPC分类号： G03G5/08 , G03G5/08214 , G03G5/08221 , G03G5/08235 , G03G5/14704
摘要： The invention provides a method for producing an electrophotographic photosensitive member such that even if abnormal grown portions called spherical protrusions 203 exist on the surface of the photosensitive member, they do not appear on images, thus making it possible to considerably alleviate image defects. The method for producing the electrophotographic photosensitive member including layers each constituted by a non-single crystal material includes the steps of placing a substrate having a conductive surface in a film forming apparatus capable of being airtight-sealed under vacuum having evacuating means and raw material gas supplying means, and decomposing at least a raw material gas by a high frequency power to form a first layer constituted by at least a non-single crystal material on the substrate as a first step; exposing the substrate with the first layer formed thereon to a gas containing oxygen and water vapor as a second step; and decomposing at least a raw material gas by a high frequency power in the film forming apparatus to form on the first layer a second layer including an upper blocking layer constituted by a non-single crystal material as a third step.
摘要翻译：本发明提供了一种用于制造电子照相感光构件的方法，即使在感光构件的表面上存在称为球形突起203的异常生长部分，它们也不会出现在图像上，从而可以显着地减轻图像缺陷。用于制造包括由非单晶材料构成的电子照相感光构件的方法包括以下步骤：将具有导电表面的基底放置在能够在具有抽真空装置和原料气体的真空下气密密封的成膜装置中供给装置，并且通过高频功率分解至少原料气体，以形成由至少非单晶材料构成的第一层作为第一步骤; 作为第二步，将其上形成有第一层的基板暴露于含有氧和水蒸汽的气体; 并且在成膜装置中通过高频功率分解至少一种原料气体，以在第一层上形成包括由非单晶材料构成的上阻挡层的第二层作为第三步骤。

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