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    TWO COMPONENT DEVELOPER
    3.
    发明申请
    TWO COMPONENT DEVELOPER 审中-公开
    两个组件开发商

    公开(公告)号：US20080233507A1

    公开(公告)日：2008-09-25

    申请号：US12013158

    申请日：2008-01-11

    申请人： Hiroshi Yamazaki ,  Mikio Kouyama ,  Ken Ohmura

    发明人： Hiroshi Yamazaki ,  Mikio Kouyama ,  Ken Ohmura

    IPC分类号： G03G9/087

    CPC分类号： G03G9/08711 ,  G03G9/0806 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/1075 ,  G03G9/1135

    摘要： A two component developer used in an electrophotographic method composed of a toner containing at least a resin and a colorant, and a carrier, is disclosed. The resin is composed of a polyester resin and a styrene-acryl resin, in which the polyester resin is prepared via condensation-polymerization of a polyvalent carboxylic acid and a polyol in a state where a styrene monomer and an acrylate monomer exist in an aqueous medium containing an acidic compound, followed by formation of the styrene-acryl resin via radical polymerization of the styrene monomer and the acrylate monomer; and the carrier comprises magnetic material powder dispersed in a binder resin, and has a volume based median diameter of 10 μm-100 μm, a shape factor SF-1 of 1.0-1.2, and a shape factor SF-2 of 1.1-2.5.

    摘要翻译： 公开了一种用于由至少包含树脂和着色剂的调色剂和载体组成的电子照相方法中使用的双组分显影剂。 该树脂由聚酯树脂和苯乙烯 - 丙烯酸树脂组成，其中聚酯树脂是通过多价羧酸和多元醇在水性介质中存在苯乙烯单体和丙烯酸酯单体的状态下进行缩聚制得的 含有酸性化合物，然后通过苯乙烯单体和丙烯酸酯单体的自由基聚合形成苯乙烯 - 丙烯酸树脂; 载体包含分散在粘合剂树脂中的磁性材料粉末，体积基准中值粒径为10〜100μm，形状因子SF-1为1.0〜1.2，形状因子SF-2为1.1〜2.5。

    Toner for developing electrostatic image and manufacturing method of toner for developing electrostatic image
    4.
    发明授权
    Toner for developing electrostatic image and manufacturing method of toner for developing electrostatic image 有权
    用于显影静电图像的调色剂和静电图像显影用调色剂的制造方法

    公开(公告)号：US08377617B2

    公开(公告)日：2013-02-19

    申请号：US13285046

    申请日：2011-10-31

    申请人： Mikio Kouyama ,  Hiroshi Yamazaki ,  Ken Ohmura

    发明人： Mikio Kouyama ,  Hiroshi Yamazaki ,  Ken Ohmura

    IPC分类号： G03G9/087 ,  C08L31/02

    CPC分类号： G03G9/08706 ,  G03G9/0819 ,  G03G9/08708 ,  G03G9/08711 ,  G03G9/08726 ,  G03G9/08728 ,  G03G9/08791

    摘要： Disclosed are a toner for developing an electrostatic image and its manufacturing method, the toner being comprised of toner particles, wherein the toner particles contain as a resin a polymer having a structural unit represented by the following formula 1, wherein R1 represents an alkyl group having a carbon atom number of from 1 to 8, which may have a substituent; and R2 and R3 independently represent a hydrogen atom, —OR4 or —OCOR5, in which R4 and R5 independently represent an alkyl group having a carbon atom number of from 1 to 8, provided that at least one of R2 and R3 is —OR4 or —OCOR5.

    摘要翻译： 公开了用于显影静电图像的调色剂及其制造方法，调色剂由调色剂颗粒构成，其中调色剂颗粒含有作为树脂的具有由下式1表示的结构单元的聚合物，其中R1表示具有 1〜8的碳原子数，可以具有取代基; 并且R 2和R 3独立地表示氢原子-OR 4或-OCOR 5，其中R 4和R 5独立地表示碳原子数为1至8的烷基，条件是R 2和R 3中的至少一个为-OR 4或 -OCOR5。

    Image forming method
    5.
    发明授权
    Image forming method 有权
    图像形成方法

    公开(公告)号：US07820352B2

    公开(公告)日：2010-10-26

    申请号：US11938819

    申请日：2007-11-13

    申请人： Hiroshi Yamazaki ,  Mikio Kouyama ,  Ken Ohmura

    发明人： Hiroshi Yamazaki ,  Mikio Kouyama ,  Ken Ohmura

    IPC分类号： G03G13/04

    CPC分类号： G03G9/08755 ,  G03G9/0806 ,  G03G9/081 ,  G03G9/0819 ,  G03G9/08711 ,  G03G9/08795 ,  G03G9/08797 ,  G03G2215/2009

    摘要： Image forming method comprising a step of fixing a toner image in a fixing device of a contact heating system, wherein the toner comprises a resin which comprises a polyester resin and a styrene-aryl resin and is formed by a process comprising allowing a polyvalent carboxylic acid and a polyvalent alcohol to condensation-polymerize in the presence of a styrene monomer and an acrylic acid ester monomer in an aqueous medium to form the polyester resin and allowing the styrene monomer and the acrylic acid ester monomer to radical-polymerize to form the styrene-acryl resin; the fixing device of a contact heating system comprises a heating roller and a belt-form pressure means.

    摘要翻译： 图像形成方法包括将调色剂图像定影在接触加热系统的定影装置中的步骤，其中调色剂包括由聚酯树脂和苯乙烯 - 芳基树脂组成的树脂，并且通过包括使多元羧酸 和多元醇在水性介质中在苯乙烯单体和丙烯酸酯单体的存在下缩聚形成聚酯树脂，并使苯乙烯单体和丙烯酸酯单体自由基聚合形成苯乙烯 - 丙烯酸树脂; 接触加热系统的定影装置包括加热辊和带状压力装置。

    Image forming method
    6.
    发明授权
    Image forming method 失效
    图像形成方法

    公开(公告)号：US07625686B2

    公开(公告)日：2009-12-01

    申请号：US10791480

    申请日：2004-03-02

    申请人： Ken Ohmura ,  Hiroshi Yamazaki ,  Asao Matsushima ,  Eiichi Yoshida

    发明人： Ken Ohmura ,  Hiroshi Yamazaki ,  Asao Matsushima ,  Eiichi Yoshida

    IPC分类号： G03G21/10 ,  G03G9/087

    CPC分类号： G03G9/0827

    摘要： An image forming method in which toner having a an average circularity of 0.94-0.99, and an average equivalent circle diameter of 2.6-7.4 μm of toner particles is utilized, an electrostatic latent image formed on an image carrying member being developed, and the toner image is transferred on a transferring material followed by fixing, wherein non-transferred toner remaining on said image carrying member is collected for reuse for image formation, and non-transferred toner collected is utilized after having been passed through a toner intermediate chamber.

    摘要翻译： 使用平均圆形度为0.94-0.99的调色剂和调色剂颗粒的平均当量圆直径为2.6-7.4μm的成像方法，形成在图像承载构件上的静电潜像被显影，并且调色剂 图像转印在转印材料上，然后固定，其中残留在所述图像承载元件上的未转印的调色剂被收集用于图像形成再利用，并且在已经通过调色剂中间室之后利用未转印的调色剂。

    Image forming method using a toner for developing a static image
    8.
    发明授权
    Image forming method using a toner for developing a static image 有权
    使用用于显影静态图像的调色剂的图像形成方法

    公开(公告)号：US06703177B2

    公开(公告)日：2004-03-09

    申请号：US10126156

    申请日：2002-04-19

    申请人： Hiroshi Yamazaki ,  Ken Ohmura

    发明人： Hiroshi Yamazaki ,  Ken Ohmura

    IPC分类号： G03G1516

    CPC分类号： G03G13/08 ,  G03G9/0819 ,  G03G2215/0103

    摘要： An electrophotographic image forming method is disclosed. The method comprises forming a latent image on a static image carrier, developing the static image by a developer containing a toner, transferring the toner image onto another image carrier, transferring the toner image on the image carrier onto an image forming support, and fixing the toner image transferred on the image forming support, and the toner has a variation coefficient of the shape coefficient of not more than 16% and a number variation coefficient of the particle diameter distribution in number of not more than 27%, and the other image carrier is a cylindrical member having an electrode contacting to the interior surface thereof.

    摘要翻译： 公开了电子照相图像形成方法。 该方法包括在静态图像载体上形成潜像，通过含有调色剂的显影剂显影静电图像，将调色剂图像转印到另一图像载体上，将图像载体上的调色剂图像转印到成像载体上，并将 调色剂图像转印在图像形成支撑体上，并且调色剂的形状系数的变异系数不大于16％，粒径分布的数量变异系数不大于27％，另一个图像载体 是具有与其内表面接触的电极的圆柱形构件。

    Toner for developing electrostatic latent image
    9.
    发明授权
    Toner for developing electrostatic latent image 有权
    用于显影静电潜像的调色剂

    公开(公告)号：US06506529B2

    公开(公告)日：2003-01-14

    申请号：US09953681

    申请日：2001-09-17

    申请人： Masafumi Uchida ,  Hiroshi Yamazaki ,  Meizo Shirose ,  Hajime Tadokoro ,  Ken Ohmura

    发明人： Masafumi Uchida ,  Hiroshi Yamazaki ,  Meizo Shirose ,  Hajime Tadokoro ,  Ken Ohmura

    IPC分类号： G03G9097

    CPC分类号： G03G9/09733 ,  G03G9/08782

    摘要： A toner for developing an electrostatic latent image comprising a resin, a colorant and a releasing agent is disclosed. The releasing agent comprises a mixture of a plurality of compounds represented by formula (1) having difference carbon number of carbon atoms in R2 R1—(OCO—R2)n  (1) wherein n represents an integer of 1 to 8 carbon atoms which may has a substituent, R1 is a hydrocarbon group having from 1 to 40, R2 is a hydrocarbon group having from 8 to 40 carbon atoms which may has a substituent.

    摘要翻译： 公开了一种用于显影包含树脂，着色剂和脱模剂的静电潜像的调色剂。 脱模剂包含在R2中具有碳原子数不同的多个由式（1）表示的化合物的混合物，其中n表示可具有取代基的1至8个碳原子的整数，R 1是具有1个 至40，R 2为可具有取代基的碳原子数为8〜40的烃基。

    Toner for developing an electrostatic image and a production method thereof, and an image forming method
    10.
    发明授权
    Toner for developing an electrostatic image and a production method thereof, and an image forming method 有权
    用于显影静电图像的调色剂及其制备方法和图像形成方法

    公开(公告)号：US06248494B1

    公开(公告)日：2001-06-19

    申请号：US09452075

    申请日：1999-11-30

    申请人： Hiroshi Yamazaki ,  Ken Ohmura ,  Tomomi Oshiba ,  Meizo Shirose ,  Shigenori Kouno

    发明人： Hiroshi Yamazaki ,  Ken Ohmura ,  Tomomi Oshiba ,  Meizo Shirose ,  Shigenori Kouno

    IPC分类号： G03G9097

    CPC分类号： G03G9/09

    摘要： A toner for developing an electrostatic image is disclosed. The toner comprises colored particles containing a resin and a colorant, the volume average particle diameter of said colored particles is 3 to 9 &mgr;m, the shape coefficient of said colored particles, which is described by the formula below, is 1.3 to 2.2, and the ratio of toner particles having a shape coefficient of 1.5 to 2.0 is at least 80 percent by number. Shape coefficient=[(maximum diameter/2)2×&pgr;]/(projection area) A developer and image forming method employing the toner are also disclosed.

    摘要翻译： 公开了用于显影静电图像的调色剂。 调色剂包含含有树脂和着色剂的着色颗粒，所述着色颗粒的体积平均粒径为3至9μm，由下式描述的所述着色颗粒的形状系数为1.3至2.2，并且 具有1.5至2.0的形状系数的调色剂颗粒的比例至少为80％。使用调色剂的显影剂和图像形成方法也被公开。