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    • 2. 发明授权
    • Method for forming color image
    • 彩色图像形成方法
    • US06379857B1
    • 2002-04-30
    • US09707932
    • 2000-11-08
    • Tetsuya TaguchiAkihiro IizukaKoutarou YoshiharaSusumu YoshinoHaruhide IshidaRieko Kataoka
    • Tetsuya TaguchiAkihiro IizukaKoutarou YoshiharaSusumu YoshinoHaruhide IshidaRieko Kataoka
    • G03G1314
    • G03G9/0823G03G13/013G03G2215/0609
    • Provided is a method for image formation capable of stably outputting high-quality images with no image density unevenness for a long period of time, in which the images formed are free from image defects of edge deletions and other deletions therein and which ensures good and uniform developability everywhere in the latent image region to be developed with preventing the latent image support used from being degraded. The method includes a step of forming a latent image on a latent image support, a step of developing the latent image on the latent image support with a two-component developer on a developer support disposed to face the latent image support, and a step of transferring the thus-developed toner image onto a transfer medium, wherein the developer support is a cylindrical sleeve having a diameter of at most 20 mm or the latent image support is a cylindrical sleeve having a diameter of at most 40 mm, and the resistance of the two-component developer is at least 1013&OHgr; in an electric field of 2 V/&mgr;m.
    • 本发明提供一种图像形成方法,其能够稳定地输出长时间没有图像浓度不均匀的高质量图像,其中所形成的图像没有边缘缺失的图像缺陷和其他缺失,并且确保良好和均匀 在潜像图像区域中随处可见的显影性能可以防止所使用的潜像支持物降解。 该方法包括在潜像载体上形成潜像的步骤,用设置在与潜像载体相对的显影剂载体上的双组分显影剂将潜影载体上的潜像显影的步骤,以及步骤 将如此显影的调色剂图像转印到转印介质上,其中显影剂载体是直径至多为20mm的圆柱形套筒,或​​潜像载体为直径至多为40mm的圆柱形套筒, 双组分显影剂在2V / m 2的电场中为至少1013OMEGA。
    • 4. 发明授权
    • Electrophotographic black toner, electrophotographic developer and image forming method
    • 电子照相黑色调色剂,电子照相显影剂和成像方法
    • US06677093B2
    • 2004-01-13
    • US09941560
    • 2001-08-30
    • Susumu YoshinoTetsuya TaguchiKoutarou Yoshihara
    • Susumu YoshinoTetsuya TaguchiKoutarou Yoshihara
    • G03G9083
    • G03G9/0902G03G9/09G03G9/0926G03G9/09708
    • An electrophotographic black toner comprising a colorant and a binder resin, wherein the toner has a metal oxide as the colorant of 20% by weight or less, said metal oxide having magnetization of 40 emu/g or smaller, and said toner has color coordinates such that L* has a value of 10 to 25, a* has a value of −3.0 to 3.0, and b* has a value of −3.0 to 3.0 as determined by a fixed image formed with the toner, as well as an electrophotographic developer and an image forming method using said electrophotographic black toner are provided. According to the present invention, the electrophotographic black toner having a high volume-specific resistance value, achieving a sufficient degree of blackness, less likely to cause high background and providing a high quality image can be obtained.
    • 一种包含着色剂和粘合剂树脂的电子照相黑调色剂,其中所述调色剂具有20重量%以下的着色剂的金属氧化物,所述金属氧化物的磁化强度为40emu / g以下,所述调色剂具有如下颜色坐标: L *的值为10〜25,a *为-3.0〜3.0,b *为通过由调色剂形成的固定图像确定的-3.0〜3.0的值,以及电子照相显影剂 并提供使用所述电子照相黑调色剂的图像形成方法。 根据本发明,可以获得具有高体积电阻率值,实现足够的黑度,不太可能导致高背景和提供高质量图像的电子照相黑调色剂。
    • 9. 发明授权
    • Image forming method, process cartridge and image forming apparatus
    • 图像形成方法,处理盒和成像装置
    • US06730448B2
    • 2004-05-04
    • US10227447
    • 2002-08-26
    • Susumu YoshinoKoutarou YoshiharaMasahiko Hodumi
    • Susumu YoshinoKoutarou YoshiharaMasahiko Hodumi
    • G03G1504
    • G03G5/075G03G5/0507G03G5/051G03G5/0578G03G5/0589G03G5/0592G03G5/0596G03G5/076G03G5/078G03G2215/00957
    • An image forming method, a process cartridge, and an image forming apparatus are provided, with which an electrophotographic image that has superior image quality, superior fixing ability and remains good even in a hot and humid environment is obtainable. The image forming method includes: developing, with a developing agent, an electrostatic latent image formed on a surface of a photoreceptor to form a toner image; transferring the toner image onto an image receiving member to form a transfer image; and fixing the transferred image onto the image receiving member to form an image, wherein the photoreceptor includes a layer that contains a siloxane compound having charge-transferability and a crosslinking structure, with a compound having acid-adsorbing ability being supplied to the surface of the photoreceptor. The process cartridge and the image forming apparatus are used in the image forming method.
    • 提供了一种图像形成方法,处理盒和图像形成装置,其可获得具有优异的图像质量,优异的定影能力并且即使在炎热和潮湿的环境中也保持良好的电子照相图像。 图像形成方法包括:用显影剂显影形成在感光体的表面上的静电潜像以形成调色剂图像; 将调色剂图像转印到图像接收部件上以形成转印图像; 并将转印的图像固定在图像接收部件上以形成图像,其中感光体包括含有具有电荷转移性和交联结构的硅氧烷化合物的层,具有酸吸附能力的化合物被供给到 感光器。 处理盒和图像形成装置用于图像形成方法。
    • 10. 发明授权
    • Powder transporting unit and image forming apparatus using the same
    • 粉末输送单元和使用其的成像设备
    • US08331830B2
    • 2012-12-11
    • US12875493
    • 2010-09-03
    • Koutarou Yoshihara
    • Koutarou Yoshihara
    • G03G15/00G03G15/04G03G15/08
    • G03G15/0822G03G15/0896G03G2215/0822
    • According to an aspect of the invention, a powder transporting unit include: a first powder transporting cylindrical member in which a powder reception port for receiving a powder from a powder storage container storing the powder is opened in an upper portion of the first powder transporting cylindrical member; a second powder transporting cylindrical member whose inner diameter is formed to be larger than an inner diameter of the first powder transporting cylindrical member and in which a powder discharge port for discharging the powder; a link member which is made from an elastic material and which displaceably couples the first powder transporting cylindrical member and the second powder transporting cylindrical member with each other; and a powder transporting member which is rotatably disposed inside the first powder transporting cylindrical member and the second powder transporting cylindrical member and which transports the powder.
    • 根据本发明的一个方面,一种粉末输送单元包括:第一粉末输送圆柱形构件,其中从容纳粉末的粉末储存容器接收粉末的粉末接收口在第一粉末输送圆柱体的上部开口 会员; 第二粉末输送用圆筒状构件,其内径形成为大于所述第一粉末输送用圆筒构件的内径,并且其中排出所述粉末的粉末排出口; 连接构件,其由弹性材料制成并且将第一粉末输送筒状构件和第二粉末输送用筒状构件可移动地彼此连接; 以及粉末输送构件,其可旋转地设置在第一粉末输送用圆筒构件和第二粉末输送用筒状构件的内部,并输送粉末。