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1. 发明授权

US4775605A Layered photosensitive material for electrophotography 失效
标题翻译：用于电子照相的分层感光材料
公开(公告)号：US4775605A
公开(公告)日：1988-10-04
申请号：US948254
申请日：1986-12-31
申请人： Kenji Seki , Katsuichi Ohta , Kiyoshi Masuda , Hirofumi Yamanami , Satomi Mochizuki
发明人： Kenji Seki , Katsuichi Ohta , Kiyoshi Masuda , Hirofumi Yamanami , Satomi Mochizuki
IPC分类号： G03G5/10 , G03G5/14
CPC分类号： G03G5/144 , G03G5/104 , G03G5/107 , G03G5/108 , G03G5/142 , Y10S430/10
摘要： This invention relates to a repeatedly usable photosensitive material for electrophotography, comprising an electroconductive substrate, a photosensitive layer and an intermediate layer located between said electroconductive substrate and said photosensitive layer, characterized in that said intermediate layer comprises an electroconductive polymer and an inorganic white pigment.
摘要翻译：本发明涉及可重复使用的用于电子照相的感光材料，其包括导电基底，感光层和位于所述导电基片和感光层之间的中间层，其特征在于所述中间层包括导电聚合物和无机白色颜料。

2. 发明申请

US20050175911A1 Photoconductor, image forming apparatus, image forming process, and process cartridge 有权
标题翻译：感光体，成像装置，成像处理和处理盒
公开(公告)号：US20050175911A1
公开(公告)日：2005-08-11
申请号：US10974814
申请日：2004-10-28
申请人： Nozomu Tamoto , Tatsuya Niimi , Tetsuro Suzuki , Katsuichi Ohta
发明人： Nozomu Tamoto , Tatsuya Niimi , Tetsuro Suzuki , Katsuichi Ohta
IPC分类号： G03G5/047 , G03G5/05 , G03G5/06 , G03G5/07 , G03G15/02
CPC分类号： G03G5/0592 , G03G5/0546 , G03G5/0589 , G03G5/0696 , G03G5/071
摘要： The object of the present invention is to provide a photoconductor that is highly sensitive, stable in image quality under repeated usages, and affords prolonged life. In order attain the object, a photoconductor is provided that comprises a charge generating layer, a charge transporting layer, and a crosslinked charge transporting layer, on an substrate in order, the charge generating layer contains titanyl phthalocyanine crystal particles that exhibit a highest peak at 27.2°, main peaks at 9.4°, 9.6° and 24.0°, a peak at 7.3° as the lowest angle, and with no peaks in a range between 7.3° and 9.4°, and with no peak at 26.3° as Bragg 2θangles (±0.2°) in terms of CuK-α characteristic X-ray wavelength at 1.542 Å, and the averaged primary particle size of the titanyl phthalocyanine crystal particles is 0.25 μm or less, and the crosslinked charge transporting layer contains a reaction product of a radical polymerizable monomer having three or more functionalities and no charge transporting structure and a radical polymerizable compound having one functionality and a charge transporting structure, and the thickness of the crosslinked charge transporting layer is 1 to 10 μm.
摘要翻译：本发明的目的是提供一种在重复使用下具有高灵敏度，稳定的图像质量的感光体，并且延长使用寿命。为了达到该目的，提供了一种光电导体，其包括电荷产生层，电荷输送层和交联的电荷输送层，依次在基板上，电荷产生层含有氧化钛酞菁晶体颗粒，其在 27.2°，主峰在9.4°，9.6°和24.0°，最低角为7.3°的峰值，7.3°和9.4°之间的峰值没有峰值，在26.3°没有峰值作为布拉格二角形 ±0.2°），钛氧酞菁结晶粒子的平均一次粒径为0.25μm以下，交联电荷输送层含有自由基的反应产物具有三个或更多个官能团和无电荷输送结构的可聚合单体和具有一个官能度和电荷输送结构的自由基聚合性化合物，以及交联的c 输送层为1〜10毫米。

3. 发明申请

US20050069797A1 Electrophotographic photoreceptor, method for manufacturing the 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，电子照相感光体的制造方法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：US20050069797A1
公开(公告)日：2005-03-31
申请号：US10944614
申请日：2004-09-20
申请人： Tatsuya Niimi , Nozomu Tamoto , Katsuichi Ohta
发明人： Tatsuya Niimi , Nozomu Tamoto , Katsuichi Ohta
IPC分类号： G03G5/06 , G03G5/14
CPC分类号： G03G5/144 , G03G5/0696 , G03G5/142
摘要： A photoreceptor including an electroconductive substrate; and a charge blocking layer; a moiré preventing layer; and a photosensitive layer, which are overlaid overlying the substrate in this order, wherein the photosensitive layer includes a titanyl phthalocyanine crystal which has an average primary particle diameter not greater than 0.25 μm, and has an X-ray diffraction spectrum such that a maximum peak is observed at a Bragg (2θ) angle of 27.2°±0.2°; a peak is observed at Bragg (2θ) angle of 9.4°±0.2°, 9.6±0.2° and 24.0±0.2°; a lowest angle peak is observed at an angle of 7.3°±0.2°; no peak is observed between the lowest angle peak and the 9.4° peak; and no peak is observed at a Bragg (2θ) angle of 26.3°±0.2°, when a Cu—Kα X-ray having a wavelength of 0.1542 nm (1.542 Å) is used.
摘要翻译：包含导电基片的感光体; 和电荷阻挡层; 莫尔防止层; 和感光层，其以此顺序覆盖在基板上，其中感光层包括平均一次粒径不大于0.25μm的钛酞菁晶体，并具有X射线衍射光谱，使得最大峰值在26.2°±0.2°的Bragg（2θ）角度观察到; 在布拉格（2θ）角为9.4°±0.2°，9.6±0.2°和24.0±0.2°时观察到峰值。在7.3°±0.2°的角度观察到最低角度峰值; 在最低角峰和9.4°峰之间没有观察到峰; 当使用波长为0.1542nm（1.542）的Cu-Kalpha X射线时，在26.3°±0.2°的Bragg（2θ）角度下没有观察到峰。

4. 发明授权

US07507511B2 Electrophotographic photoreceptor, and image forming apparatus and process cartridge therefor 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及其处理盒
公开(公告)号：US07507511B2
公开(公告)日：2009-03-24
申请号：US11332545
申请日：2006-01-17
申请人： Nozomu Tamoto , Tatsuya Niimi , Maiko Koeda , Tetsuro Suzuki , Takehiko Kinoshita , Suzuka Nozoe , Katsuichi Ohta
发明人： Nozomu Tamoto , Tatsuya Niimi , Maiko Koeda , Tetsuro Suzuki , Takehiko Kinoshita , Suzuka Nozoe , Katsuichi Ohta
IPC分类号： G03G15/04
CPC分类号： G03G5/142 , G03G5/043 , G03G5/0546 , G03G5/0589 , G03G5/0592 , G03G5/071 , G03G5/144
摘要： An electrophotographic photoreceptor, including: an electroconductive substrate; a first undercoat layer including no metal oxide, located overlying the electroconductive substrate; a second undercoat layer including a metal oxide and a binder resin, located overlying the first undercoat layer; and a photosensitive layer located overlying the second undercoat layer, wherein the metal oxide included in the second undercoat layer has a specific resistivity not less than 107 Ω·cm and a block isocyanate compound.
摘要翻译：一种电子照相感光体，包括：导电性基体; 不包含位于导电基片上的金属氧化物的第一底涂层; 第二底涂层，包括位于第一底涂层上的金属氧化物和粘合剂树脂; 以及位于第二底涂层上的感光层，其中包含在第二底涂层中的金属氧化物具有不小于107Ω·cm的电阻率和嵌段异氰酸酯化合物。

5. 发明授权

US07371491B2 Electrophotographic photoreceptor, method for manufacturing the 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，电子照相感光体的制造方法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：US07371491B2
公开(公告)日：2008-05-13
申请号：US10944614
申请日：2004-09-20
申请人： Tatsuya Niimi , Nozomu Tamoto , Katsuichi Ohta
发明人： Tatsuya Niimi , Nozomu Tamoto , Katsuichi Ohta
IPC分类号： G03G5/047 , G03G5/14
CPC分类号： G03G5/144 , G03G5/0696 , G03G5/142
摘要： A photoreceptor including an electroconductive substrate; and a charge blocking layer; a moiré preventing layer; and a photosensitive layer, which are overlaid overlying the substrate in this order, wherein the photosensitive layer includes a titanyl phthalocyanine crystal which has an average primary particle diameter not greater than 0.25 μm, and has an X-ray diffraction spectrum such that a maximum peak is observed at a Bragg (2θ) angle of 27.2°±0.2°; a peak is observed at Bragg (2θ) angle of 9.4°±0.2°, 9.6±0.2° and 24.0±0.2°; a lowest angle peak is observed at an angle of 7.3°±0.2°; no peak is observed between the lowest angle peak and the 9.4° peak; and no peak is observed at a Bragg (2θ) angle of 26.3°±0.2°, when a Cu—Kα X-ray having a wavelength of 0.1542 nm (1.542 Å) is used.
摘要翻译：包含导电基片的感光体; 和电荷阻挡层; 莫尔防止层; 和感光层，其以此顺序覆盖在基板上，其中感光层包括平均一次粒径不大于0.25μm的钛酞菁晶体，并具有X射线衍射光谱，使得最大峰值在26.2°±0.2°的Bragg（2θ）角度观察到; 在布拉格（2θ）角为9.4°±0.2°，9.6±0.2°和24.0±0.2°时观察到峰值。在7.3°±0.2°的角度观察到最低角度峰值; 在最低角峰和9.4°峰之间没有观察到峰; 当使用波长为0.1542nm（1.542）的Cu-Kalpha X射线时，在26.3°±0.2°的Bragg（2θ）角度下没有观察到峰。

6. 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。

7. 发明授权

US4822705A Electrophotographic photoconductor with layer preventing charge injection 失效
标题翻译：具有防止电荷注入的层的电子照相感光体
公开(公告)号：US4822705A
公开(公告)日：1989-04-18
申请号：US159748
申请日：1988-02-24
申请人： Toshio Fukagai , Kiyoshi Taniguchi , Katsuichi Ohta , Minoru Umeda , Kayoko Yokoyama
发明人： Toshio Fukagai , Kiyoshi Taniguchi , Katsuichi Ohta , Minoru Umeda , Kayoko Yokoyama
IPC分类号： G03G5/14 , G03G5/024
CPC分类号： G03G5/142
摘要： An electrophotographic photoconductor comprising an electroconductive support, an intermediate layer formed thereon, an a photoconductive layer formed on said intermediate layer, which intermediate layer comprises at least one component selected from the group consisting of: (a) monohydric aliphatic alcohol, (b) dihydric aliphatic alcohol, (c) polyethylene glycol, (d) polypropylene glycol, (e) polybutylene glycol, (f) polyethylene glycol monoester and/or polyethylene glycol diester, (g) polyethylene monoether, (h) crown ether, (i) a random or block copolymer having as structure units a hydroxyethylene group and a hydroxypropylene group, and hydroxyl groups at the terminal thereof, and (j) a polymer of a monomer having formula (I) and a copolymer of said monomer and a counterpart monomer: ##STR1## wherein R.sup.1 represents hydrogen or a methyl group; R.sup.2 represents hydrogen, a lower alkyl group or an unsubstituted or substituted aryl group; and n is an integer of 2 to 100.
摘要翻译：一种电子照相感光体，包括导电载体，形成在其上的中间层，形成在所述中间层上的光电导层，该中间层包含至少一种选自以下的组分：（a）一元脂族醇，（b）二羟基脂肪醇，（c）聚乙二醇，（d）聚丙二醇，（e）聚丁二醇，（f）聚乙二醇单酯和/或聚乙二醇二酯，（g）聚乙烯单醚，（h）冠醚，（i）具有羟基亚乙基和羟基亚丙基的结构单元和末端的羟基的无规或嵌段共聚物，和（j）具有式（I）的单体和所述单体与对应单体的共聚物的聚合物：图像（I）其中R1表示氢或甲基; R 2表示氢，低级烷基或未取代或取代的芳基; n为2〜100的整数。

8. 发明授权

US07670743B2 Image forming method 有权
标题翻译：图像形成方法
公开(公告)号：US07670743B2
公开(公告)日：2010-03-02
申请号：US12013891
申请日：2008-01-14
申请人： Katsuichi Ohta , Tatsuya Niimi , Nozomu Tamoto
发明人： Katsuichi Ohta , Tatsuya Niimi , Nozomu Tamoto
IPC分类号： G03G15/06 , G03G5/14
CPC分类号： G03G5/0696 , G03G5/0564 , G03G5/142 , G03G5/144 , G03G5/14704 , G03G5/14734 , G03G5/14786 , G03G5/14791 , G03G2215/00957
摘要： An image is formed by projecting an image by way of an image irradiating device onto an image bearing member configured to operate at a linear velocity of at least 300 mm/sec, and which is constructed of(i) an electroconductive substrate having an image bearing surface that has an established surface charge having an electric field intensity of at least 32.1 V/μm which is defined as the ratio of the absolute value (V) of the surface voltage of a non-irradiated portion of the image bearing member at a developing position to the layer thickness of the photosensitive layer (μm), (ii) a charge blocking layer overlying the electroconductive substrate, (iii) a moiré prevention layer overlying the charge blocking layer and (iv) a photosensitive layer overlying the moiré prevention layer consisting essentially of a titanyl phthalocyanine; charging the image bearing member by means of a charging device; irradiating said surface of the image bearing member with plural irradiation beams; developing the latent electrostatic image with a developing device; transferring the developed image by a transfer device configured; and cleaning the image bearing member.
摘要翻译：通过图像照射装置将图像投影到构造成以至少300mm / sec的线速度运行的图像承载部件上形成图像，该图像承载部件由（i）具有图像承载体的导电基板表面电荷具有至少32.1V /μm的电场强度的已建立的表面电荷，其被定义为显影时的图像承载部件的未照射部分的表面电压的绝对值（V）位置到感光层的层厚度（μm），（ii）覆盖导电衬底的电荷阻挡层，（iii）覆盖电荷阻挡层的莫尔防止层和（iv）覆盖防止莫尔层的感光层，基本上由钛酞菁组成; 通过充电装置对图像承载部件充电; 用多个照射光照射图像承载部件的所述表面; 用显影装置显影静电潜像; 通过配置的传送装置传送显影图像; 并清洁图像承载部件。

9. 发明申请

US20080227007A1 Image forming apparatus and process cartridge 审中-公开
标题翻译：成像设备和处理盒
公开(公告)号：US20080227007A1
公开(公告)日：2008-09-18
申请号：US12075092
申请日：2008-03-07
申请人： Nozomu Tamoto , Hiromi Tada , Yoshinori Inaba , Katsuichi Ohta
发明人： Nozomu Tamoto , Hiromi Tada , Yoshinori Inaba , Katsuichi Ohta
IPC分类号： G03C1/73 , G03G15/00
CPC分类号： G03G15/0266
摘要： An image forming apparatus including an image bearing member, a charger, an irradiator, and a developing device, wherein the relationships T1≦T2 and T2=W/V are satisfied, wherein T1 (msec) represents a real transit time, defined as a value on X-axis of a first flection point, at which a surface potential (Y) of the image bearing member firstly rises up when a time (X) between irradiating the image bearing member and measuring the surface potential of the irradiated portion thereof is shortened, in a graph showing a relationship between X and Y; T2 (msec) represents a charging time; W (mm) represents a charging width of the charger; and V (mm/msec) represents a linear velocity of the image bearing member.
摘要翻译：一种包括图像承载部件，充电器，照射器和显影装置的图像形成装置，其中，满足T 1 <= T 2和T 2 = W / V的关系，其中T 1（msec）表示实际传输时间，被定义为第一反射点的X轴上的值，当照射图像承载部件和测量图像承载部件的表面电位之间的时间（X）时，图像承载部件的表面电位（Y）首先上升，其照射部分缩短，示出X和Y之间的关系; T 2（msec）表示充电时间; W（mm）表示充电器的充电宽度; V（mm / msec）表示图像承载部件的线速度。

10. 发明申请

US20070154825A1 Electrophotographic photoreceptor, method of image formation, image formation apparatus and process cartridge for image formation apparatus 有权
标题翻译：电子照相感光体，图像形成方法，图像形成装置和成像装置的处理盒
公开(公告)号：US20070154825A1
公开(公告)日：2007-07-05
申请号：US10543927
申请日：2004-12-01
申请人： Nozomu Tamoto , Tatsuya Niimi , Tetsuro Suzuki , Katsuichi Ohta
发明人： Nozomu Tamoto , Tatsuya Niimi , Tetsuro Suzuki , Katsuichi Ohta
IPC分类号： G03G5/147 , G03G5/047
CPC分类号： G03G5/144 , G03G5/047 , G03G5/0592 , G03G5/0696 , G03G5/142
摘要： An electrophotographic photoconductor that is excellent in the stability of image quality and can realize high durability is provided. In an electrophotographic photoconductor in which an underlying layer, a photoconductive layer, and a crosslinked-type charge transportation layer are stacked on an electrically conductive support in order, the underlying layer is composed of at least two layers being a layer containing an inorganic pigment and a layer including no inorganic pigment, and the crosslinked-type charge transportation layer is formed by curing, at least, a three-or-more-functional radical-polymerizable monomer having no charge transporting structure and a radical-polymerizable compound having one-functional charge transporting structure.
摘要翻译：提供了图像质量稳定性优异并且可以实现高耐久性的电子照相感光体。在其中将下层，光电导层和交联型电荷传输层按顺序层叠在导电载体上的电子照相感光体中，下层由至少两层构成，该层是含有无机颜料的层，不含无机颜料的层，并且交联型电荷输送层通过至少固化不具有电荷输送结构的三官能以上的自由基聚合性单体和具有一官能的自由基聚合性化合物而形成电荷输送结构。

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