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    IMAGE FORMING APPARATUS AND ELECTROPHOTOGRAPHIC CARTRIDGE
    1.
    发明申请
    IMAGE FORMING APPARATUS AND ELECTROPHOTOGRAPHIC CARTRIDGE 有权
    图像形成装置和电子绘图盒

    公开(公告)号：US20110206411A1

    公开(公告)日：2011-08-25

    申请号：US13033338

    申请日：2011-02-23

    申请人： Tadashi MIZUSHIMA ,  Akiteru Fujii ,  Takayuki Shoda

    发明人： Tadashi MIZUSHIMA ,  Akiteru Fujii ,  Takayuki Shoda

    IPC分类号： G03G21/18 ,  G03G15/00

    CPC分类号： G03G5/047 ,  G03G5/04 ,  G03G5/043 ,  G03G5/0525 ,  G03G5/0542 ,  G03G5/056 ,  G03G5/0567 ,  G03G5/0614 ,  G03G5/0618 ,  G03G5/0629 ,  G03G5/1473 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08711 ,  G03G9/0904 ,  G03G9/0906 ,  G03G9/0926 ,  G03G9/09321 ,  G03G9/09364 ,  G03G9/09385 ,  G03G9/09392 ,  G03G21/0005 ,  G03G21/0011 ,  G03G2215/00957 ,  G03G2215/0604

    摘要： The invention is to provide an image forming apparatus and an electrophotographic cartridge, which are free from problems of cleaning failure, filming, soiling, residual images (ghosts), fogging, density reduction, noise and the like and which can provide high-definition images even when a toner having a small particle size and having a high degree of circularity is used and even when a photoreceptor having a small outer diameter is used. An image forming apparatus comprising: an electrophotographic photoreceptor containing a conductive support and a photosensitive layer on the conductive support, a charging unit for charging the electrophotographic photoreceptor, an imagewise exposing unit for imagewise exposing the charged electrophotographic photoreceptor to form an electrostatic latent image thereon, a developing unit for developing the electrostatic latent image with a toner, and a transferring unit for transferring the toner from the electrophotographic photoreceptor to a receiving unit, wherein the outer diameter of the electrophotographic photoreceptor is 20 mm or less, the photosensitive layer contains a polyarylate resin, and the toner satisfies the specific requirements (1) and (2).

    摘要翻译： 本发明提供一种图像形成装置和电子照像盒，其不存在清洁故障，成膜，污染，残留图像（重影），起雾，降低密度，噪声等的问题，并且可以提供高清晰图像 即使当使用具有小颗粒尺寸并且具有高圆度度的调色剂时，即使使用具有小外径的感光体。 一种图像形成装置，包括：在导电支架上包含导电支撑体和感光层的电子照相感光体，用于对电子照相感光体充电的充电单元，用于对带电电子照相感光体进行成像曝光以在其上形成静电潜像的成像曝光单元， 用调色剂显影静电潜像的显影单元和用于将调色剂从电子照相感光体转印到接受单元的转印单元，其中电子照相感光体的外径为20mm以下，感光层含有多芳基化合物 树脂，并且调色剂满足具体要求（1）和（2）。

    Electrophotographic photoreceptor
    3.
    发明申请
    Electrophotographic photoreceptor 审中-公开
    电子照相感光体

    公开(公告)号：US20060134541A1

    公开(公告)日：2006-06-22

    申请号：US11144839

    申请日：2005-06-06

    申请人： Akiteru Fujii ,  Yuka Nagao ,  Masayuki Hiroi

    发明人： Akiteru Fujii ,  Yuka Nagao ,  Masayuki Hiroi

    IPC分类号： G03G5/06

    CPC分类号： G03G5/14752 ,  G03G5/0514 ,  G03G5/056 ,  G03G5/0614 ,  G03G5/14708

    摘要： A subject for the invention is to provide an electrophotographic photoreceptor which has high durability in exposure to ozone, NOx, etc., is excellent in mechanical properties including printing durability, wearing resistance, scratch resistance, and slip properties in repetitions of use, and further has excellent electrophotographic properties. The invention relates to an electrophotographic photoreceptor comprising an electro conductive substrate and at least a photosensitive layer formed thereover, characterized in that the photosensitive layer contains at least a polyarylate resin and an amine compound represented by a specific structure.

    摘要翻译： 本发明的目的是提供一种在暴露于臭氧，耐氧化等方面具有高耐久性的电子照相感光体，其机械性能优异，包括印刷耐久性，耐磨性，耐刮擦性和滑动性 重复使用的性质，并且还具有优异的电子照相特性。 本发明涉及一种电子照相感光体，其包含导电性基材和至少形成于其上的感光层，其特征在于感光层至少含有多芳基化合物树脂和由特定结构表示的胺化合物。

    Electrophotographic photoreceptor
    4.
    发明授权
    Electrophotographic photoreceptor 有权
    电子照相感光体

    公开(公告)号：US06803163B2

    公开(公告)日：2004-10-12

    申请号：US10452283

    申请日：2003-06-03

    申请人： Teruyuki Mitsumori ,  Akiteru Fujii ,  Mamoru Nozomi ,  Satoshi Kato ,  Yuuta Kumano

    发明人： Teruyuki Mitsumori ,  Akiteru Fujii ,  Mamoru Nozomi ,  Satoshi Kato ,  Yuuta Kumano

    IPC分类号： G03G1502

    CPC分类号： G03G5/0546 ,  G03G5/047 ,  G03G5/0592 ,  G03G5/0596

    摘要： A high-sensitivity and long-life electrophotographic photoreceptor comprising an electroconductive substrate and at least a photosensitive layer on the electroconductive substrate is provided, wherein the photosensitive layer contains a polyarylate resin not having a nitrogen atom in its repeating unit, and the Hall mobility at an electric field strength of 3×105 (V/cm) and at a temperature of 21° C. of the photosensitive layer is 3×10−6 (cm2/Vs) or more.

    摘要翻译： 提供了一种包括导电基片和至少在导电基片上的感光层的高灵敏度和长寿命的电子照相感光体，其中感光层含有重复单元中不具有氮原子的多芳基化合物树脂， 感光层的3×10 5（V / cm）的电场强度和21℃的电场强度为3×10 -6（cm 2 / Vs）以上。

    Electrophotographic photoreceptor, image-forming apparatus, and electrophotographic cartridge
    5.
    发明授权
    Electrophotographic photoreceptor, image-forming apparatus, and electrophotographic cartridge 有权
    电子照相感光体，图像形成装置和电子照像盒

    公开(公告)号：US08697321B2

    公开(公告)日：2014-04-15

    申请号：US13104300

    申请日：2011-05-10

    申请人： Akiteru Fujii

    发明人： Akiteru Fujii

    IPC分类号： G03G5/047

    CPC分类号： G03G15/75 ,  G03G5/14708 ,  G03G5/14756

    摘要： When an abutting pressure of the cleaning blade on a photoreceptor is increased, a chattering occurs due to the so-called a stick-slip phenomenon that the blade repeatedly undergoes sticking to the outermost surface of the photoreceptor and slipping thereon. As a result, a possibility of noise generation becomes higher and there is a possibility that toner particles might pass through during slipping to cause a cleaning failure, resulting in a streaky image defect. There is also a higher possibility that the so-called a filming phenomenon might occur, in which a component of the toner sticks to the photoreceptor surface by the action of the blade pressure and becomes difficult to remove, so as to lead to persistent image defects. Furthermore, since the photoreceptor is rotated with toners in the state of being strongly pressed thereagainst, the image defects are apt to be caused due to peripheral-direction scratches. An electrophotographic photoreceptor is provided in which the outermost layer of the photoreceptor contains a specific charge-transporting material and a specific binder resin.

    摘要翻译： 当清洁刮板在感光体上的邻接压力增加时，由于所谓的粘滑现象，刀片反复地粘附到感光体的最外表面并且在其上滑动，所以发生颤动。 结果，产生噪声的可能性变高，并且在滑动期间调色剂颗粒有可能通过以引起清洁故障，导致条纹图像缺陷。 还有可能发生所谓的成膜现象的可能性更高，其中调色剂的成分通过叶片压力的作用粘附到感光体表面，并且变得难以除去，从而导致持久的图像缺陷 。 此外，由于感光体在被强烈按压的状态下由调色剂旋转，所以由于周向划伤容易引起图像缺陷。 提供了一种电子照相感光体，其中感光体的最外层含有特定的电荷输送材料和特定的粘合剂树脂。

    Phthalocyanine composition and photoconductive material, electrophotographic photoreceptor cartridge, and image-forming apparatus each employing the composition
    6.
    发明授权
    Phthalocyanine composition and photoconductive material, electrophotographic photoreceptor cartridge, and image-forming apparatus each employing the composition 有权
    酞菁组合物和感光材料，电子照相感光体盒和图像形成装置

    公开(公告)号：US07981581B2

    公开(公告)日：2011-07-19

    申请号：US10591767

    申请日：2005-03-04

    申请人： Mitsuo Wada ,  Kazutaka Ida ,  Akiteru Fujii

    发明人： Mitsuo Wada ,  Kazutaka Ida ,  Akiteru Fujii

    IPC分类号： G03G5/047

    CPC分类号： C09B47/0671 ,  C09B47/045 ,  C09B47/073 ,  C09B67/0026 ,  C09B67/0035 ,  G03G5/0696

    摘要： A phthalocyanine composite with high sensitivity and low environmental dependence is provided.It comprises both at least one phthalocyanine compound expressed by general formula (1) and at least one phthalocyanine compound expressed by general formula (2): where, in the general formulae (1) and (2),M1 represents at least one arbitrary atom or atomic group that is capable of binding to a phthalocyanine,M2 represents an atom, or an atomic group containing an atom, selected from the second and subsequent periods of the periodic table and capable of binding to a phthalocyanine, M1 and M2 being different in kind from each other,X1-X4 represent, independently of each other, a halogen atom, anda, b, c, and d represent, independently of each other, an integer between 0 and 4 and satisfy a+b+c+d≧1.

    摘要翻译： 提供了一种具有高灵敏度和低环境依赖性的酞菁复合物。 它包括由通式（1）表示的至少一种酞菁化合物和由通式（2）表示的至少一种酞菁化合物：其中，在通式（1）和（2）中，M 1表示至少一个任意的原子 或能够与酞菁结合的原子团，M2表示选自周期表的第二和随后时期的能够与酞菁结合的原子或含有原子的原子团，M1和M2不同于 彼此相同，X1-X4彼此独立地表示卤素原子，a，b，c和d彼此独立地表示0和4之间的整数，满足+ b + c + d ≥1。

    Electrophotographic photoreceptor, image-forming apparatus, and electrophotographic cartridge
    7.
    发明授权
    Electrophotographic photoreceptor, image-forming apparatus, and electrophotographic cartridge 有权
    电子照相感光体，图像形成装置和电子照像盒

    公开(公告)号：US08709689B2

    公开(公告)日：2014-04-29

    申请号：US13586003

    申请日：2012-08-15

    申请人： Akiteru Fujii

    发明人： Akiteru Fujii

    IPC分类号： G03G5/00

    CPC分类号： G03G15/75 ,  G03G5/0564 ,  G03G5/0614

    摘要： The invention can provide an electrophotographic photoreceptor comprising a photosensitive layer containing a specific charge transport material and a specific copolymerized polycarbonate resin, and an image-forming apparatus and an electrophotographic cartridge which use the electrophotographic photoreceptor.

    摘要翻译： 本发明可以提供一种电子照相感光体，其包含含有特定电荷输送材料和特定共聚聚碳酸酯树脂的感光层，以及使用该电子照相感光体的图像形成装置和电子照像盒。

    Electrophotographic photoreceptor
    9.
    发明授权
    Electrophotographic photoreceptor 有权
    电子照相感光体

    公开(公告)号：US06884556B2

    公开(公告)日：2005-04-26

    申请号：US10224352

    申请日：2002-08-21

    申请人： Yuuta Kumano ,  Satoshi Kato ,  Chiyoko Sato ,  Akiteru Fujii ,  Mamoru Nozomi

    发明人： Yuuta Kumano ,  Satoshi Kato ,  Chiyoko Sato ,  Akiteru Fujii ,  Mamoru Nozomi

    IPC分类号： C08G63/193 ,  G03G5/05 ,  G03G5/00

    CPC分类号： G03G5/056 ,  C08G63/193

    摘要： Electrophotographic photoreceptors having improved mechanical properties, electrical properties with excellent response characteristics are prepared by forming a photosensitive layer on an electroconductive substrate. The photosensitive layer contains a binder resin, which may be a polyarylate or a copolymer of polyarylate. The binder resin may be mixed with other resins up to 50 wt % with other resins to impove surface slip properties or fire retardant properties.

    摘要翻译： 具有改善的机械性能，具有优异响应特性的电性能的电子照相感光体通过在导电基材上形成感光层来制备。 感光层含有粘合剂树脂，其可以是多芳基化合物或多芳基化合物的共聚物。 粘合剂树脂可以与其它树脂混合达50重量％以上以抵消表面滑动性能或阻燃性能。

    Electrophotographic photoreceptor and process for producing the same
    10.
    发明授权
    Electrophotographic photoreceptor and process for producing the same 有权
    电子照相感光体及其制造方法

    公开(公告)号：US06337165B1

    公开(公告)日：2002-01-08

    申请号：US09625987

    申请日：2000-07-26

    申请人： Akiteru Fujii ,  Shinichi Suzuki

    发明人： Akiteru Fujii ,  Shinichi Suzuki

    IPC分类号： G03G504

    CPC分类号： G03G5/047 ,  G03G5/04 ,  G03G5/0696

    摘要： The present invention provides a negative charging electrophotographic photoreceptor, which includes an electroconductive substrate; a charge generation layer disposed on the electroconductive substrate; and a charge transport layer disposed on the charge generation layer; wherein the charge transport layer is in a homogeneous state; and wherein the charge generation layer has a light transmittance of at least 10% per micrometer of film thickness of the charge generation layer, or wherein the photoreceptor has an E50/E10 ratio in the range of 1 to 6, or wherein the charge generation layer has a light transmittance of at least 68% per micrometer of film thickness of the charge generation layer. The present invention provides methods of making and using the electrophotographic photoreceptor, and apparatuses which include the electrophotographic photoreceptor. The present invention also provides a method for optimizing an E50/E10 ratio in an electrophotographic photoreceptor to obtain S-shaped, high-&ggr; characteristics in the electrophotographic photoreceptor. By use of the present invention, a negative charging electrophotographic photoreceptor is obtained having excellent performances with respect to digital light input (high-&ggr; characteristics) and having a long life and high stability which make the photoreceptor suitable for repeated use.

    摘要翻译： 本发明提供一种负电荷感光体，其包括导电性基材; 设置在导电性基体上的电荷产生层; 以及设置在电荷产生层上的电荷传输层; 其中所述电荷输送层处于均匀状态; 并且其中所述电荷产生层具有至少10％/微米的电荷产生层的膜厚度的光透射率，或者其中所述感光体的E50 / E10比率在1至6的范围内，或者其中电荷产生层 具有至少68％的每毫米电荷产生层的膜厚的透光率。 本发明提供制造和使用电子照相感光体的方法以及包括电子照相感光体的装置。 本发明还提供了一种用于优化电子照相感光体中的E50 / E10比例以在电子照相感光体中获得S形，高γ特性的方法。 通过使用本发明，获得了相对于数字光输入（高γ特性）具有优异性能并且具有长寿命和高稳定性的负电荷感光体，其使感光体适合重复使用。