公开(公告)号：US08192910B2

公开(公告)日：2012-06-05

申请号：US12490739

申请日：2009-06-24

申请人： Hiroaki Katoh ,  Naoki Nakatake ,  Masayuki Hagi ,  Yoshitaka Sekiguchi ,  Kazuoki Fuwa ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga

发明人： Hiroaki Katoh ,  Naoki Nakatake ,  Masayuki Hagi ,  Yoshitaka Sekiguchi ,  Kazuoki Fuwa ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga

IPC分类号： G03G13/08 ,  G03G9/00 ,  G03G13/20

CPC分类号： G03G15/0233 ,  G03G9/09716 ,  G03G9/09725 ,  G03G2215/021

摘要： An image forming method, including charging the surface of an electrostatic latent image bearer by a charger; irradiating the surface of the electrostatic latent image bearer to form an electrostatic latent image thereon; developing the same with a toner to form a toner image; transferring the toner image onto a recording medium; and fixing the toner image thereon, wherein the charger is a charging roller contacting the electrostatic latent image bearer to charge the same, having a ten-point surface roughness of 5 to 30, and the toner includes a binder resin, a colorant, a release agent and an external additive including a composite oxide including titanium oxide in an amount of 80 to 95% by weight and silicon oxide, having a core-shell structure formed of a core including the titanium oxide and a shell including the silicon oxide and has a BET specific surface area of 50 to 100 m2/g.

摘要翻译： 一种图像形成方法，包括通过充电器对静电潜像载体的表面进行充电; 照射静电潜像载体的表面以在其上形成静电潜像; 用调色剂显影相同以形成调色剂图像; 将调色剂图像转印到记录介质上; 并且其上定影调色剂图像，其中所述充电器是与所述静电潜像载体接触以对其充电的充电辊，具有5至30的十点表面粗糙度，并且所述调色剂包括粘合剂树脂，着色剂，释放 试剂和外加剂，其包含含有80〜95重量％的氧化钛的复合氧化物和氧化硅，其具有由包含氧化钛的核心和包含氧化硅的核心形成的核 - 壳结构，并具有 BET比表面积为50〜100m2 / g。

公开(公告)号：US20100009282A1

公开(公告)日：2010-01-14

申请号：US12490739

申请日：2009-06-24

申请人： Hiroaki KATOH ,  Naoki Nakatake ,  Masayuki Hagi ,  Yoshitaka Sekiguchi ,  Kazuoki Fuwa ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga

发明人： Hiroaki KATOH ,  Naoki Nakatake ,  Masayuki Hagi ,  Yoshitaka Sekiguchi ,  Kazuoki Fuwa ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga

IPC分类号： G03G13/20 ,  G03G15/02 ,  G03G21/18

CPC分类号： G03G15/0233 ,  G03G9/09716 ,  G03G9/09725 ,  G03G2215/021

摘要： An image forming method, including charging the surface of an electrostatic latent image bearer by a charger; irradiating the surface of the electrostatic latent image bearer to form an electrostatic latent image thereon; developing the same with a toner to form a toner image; transferring the toner image onto a recording medium; and fixing the toner image thereon, wherein the charger is a charging roller contacting the electrostatic latent image bearer to charge the same, having a ten-point surface roughness of 5 to 30, and the toner includes a binder resin, a colorant, a release agent and an external additive including a composite oxide including titanium oxide in an amount of 80 to 95% by weight and silicon oxide, having a core-shell structure formed of a core including the titanium oxide and a shell including the silicon oxide and has a BET specific surface area of 50 to 100 m2/g.

摘要翻译： 一种图像形成方法，包括通过充电器对静电潜像载体的表面进行充电; 照射静电潜像载体的表面以在其上形成静电潜像; 用调色剂显影相同以形成调色剂图像; 将调色剂图像转印到记录介质上; 并且其上定影调色剂图像，其中所述充电器是与所述静电潜像载体接触以对其充电的充电辊，具有5至30的十点表面粗糙度，并且所述调色剂包括粘合剂树脂，着色剂，释放 试剂和外加剂，其包含含有80〜95重量％的氧化钛的复合氧化物和氧化硅，其具有由包含氧化钛的核心和包含氧化硅的壳体形成的核 - 壳结构，并且具有 BET比表面积为50〜100m2 / g。

公开(公告)号：US20090052952A1

公开(公告)日：2009-02-26

申请号：US12197651

申请日：2008-08-25

申请人： Hiroaki KATOH ,  Naoki Nakatake ,  Hideaki Yasunaga ,  Kazuoki Fuwa ,  Yoshihiro Mikuriya ,  Masayuki Hagi

发明人： Hiroaki KATOH ,  Naoki Nakatake ,  Hideaki Yasunaga ,  Kazuoki Fuwa ,  Yoshihiro Mikuriya ,  Masayuki Hagi

IPC分类号： G03G15/08

CPC分类号： G03G21/0017 ,  G03G2215/0132 ,  G03G2215/0617 ,  G03G2221/183

摘要： An image forming apparatus including an image bearing member including a tube, the image bearing member to bear a latent electrostatic image, a development device including a pulverized toner including a resin, a coloring agent and a releasing agent component, the development device to develop the latent electrostatic image with the toner to form a visualized image on the image bearing member, a transfer device to transfer the visualized image to a recording medium, a fixing device including a fixing member, the fixing device to fix the visualized image on the recording medium and an elastic blade to remove the toner on the surface of the image bearing member, wherein the toner has a void ratio of from 52 to 58% and a toner torque of from 1.0 to 2.5 mNm according to a torque measuring method using a circular conical rotor and the following relationships (1) to (4) are satisfied: 45≦WA≦60   Relationship (1) 2×WA−40≦50×T≦2×WA+5   Relationship (2) 1.2≦t≦2.0   Relationship (3) 40×T−70≦15×t≦40×T−22   Relationship (4) where WA (%) represents a surface exposure amount of the releasing agent component of the toner, T (mNm) represents the toner torque at 58% of the void ratio and t (mm) represents a thickness of the tube.

公开(公告)号：US07867680B2

公开(公告)日：2011-01-11

申请号：US12348494

申请日：2009-01-05

申请人： Yoshihiro Mikuriya ,  Kazuoki Fuwa ,  Hiroaki Katoh ,  Yoshitaka Sekiguchi ,  Hideaki Yasunaga ,  Masayuki Hagi

发明人： Yoshihiro Mikuriya ,  Kazuoki Fuwa ,  Hiroaki Katoh ,  Yoshitaka Sekiguchi ,  Hideaki Yasunaga ,  Masayuki Hagi

IPC分类号： G03G9/087 ,  G03G5/00 ,  G03G15/08 ,  G03G21/18 ,  G03G13/20

CPC分类号： G03G9/08795 ,  G03G9/081 ,  G03G9/08724 ,  G03G9/08755 ,  G03G9/08797

摘要： A non-magnetic toner including a binder resin including a first resin, a second resin, a third resin; a colorant; and a wax, wherein the first resin is a hybrid resin including an amorphous condensation polymerization unit and a radical polymerization unit in its molecular frame, and the second and third resins are non-hybrid resins including condensation polymerization units, wherein each of the first, second and third resins has a glass transition temperature (Tg) and a softening point (Tm) satisfying the following relationships: Tg of first resin

摘要翻译： 一种非磁性调色剂，包括包含第一树脂，第二树脂，第三树脂的粘合剂树脂; 着色剂 和蜡，其中所述第一树脂是其分子框架中包含无定形缩聚单元和自由基聚合单元的混合树脂，所述第二和第三树脂是包含缩聚单元的非混合树脂，其中所述第一， 第二和第三树脂的玻璃化转变温度（Tg）和软化点（Tm）满足以下关系：第一树脂的Tg <第二树脂的Tg <第三树脂的Tg = 70〜80℃，以及 第二树脂的Tm <第三树脂的Tm

公开(公告)号：US08041270B2

公开(公告)日：2011-10-18

申请号：US12048865

申请日：2008-03-14

申请人： Hideaki Yasunaga ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Hiroaki Katoh ,  Kazuoki Fuwa ,  Masahide Inoue ,  Yoshitaka Sekiguchi ,  Satoshi Ogawa

发明人： Hideaki Yasunaga ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Hiroaki Katoh ,  Kazuoki Fuwa ,  Masahide Inoue ,  Yoshitaka Sekiguchi ,  Satoshi Ogawa

IPC分类号： G03G15/08

CPC分类号： G03G15/0818 ,  G03G2215/0617

摘要： An image developer using a one-component developer, Including a developing roller visualizing an electrostatic latent image formed on an image bearer with a pulverized toner; and a feed roller feeding the pulverized toner to the developing roller while contacting thereto, wherein the pulverized toner includes a parent toner; a wax; and an external additive comprising an additive having a number-average particle diameter of from 20 to 60 nm and adhering to the surface of the parent toner at an adherence strength of from 50 to 70%, and wherein the following relationships (1) to (3) are satisfied: 4.70

摘要翻译： 使用单组分显影剂的图像显影剂包括利用粉碎的调色剂使形成在图像载体上的静电潜像可视化的显影辊; 以及将粉碎的调色剂供给到显影辊同时接触的进料辊，其中所述粉碎的调色剂包括母体调色剂; 蜡 以及外加剂，其包含数均粒径为20〜60nm的添加剂，并以50〜70％的粘附强度附着在母体调色剂的表面，并且其中以下关系式（1）〜（ 3）满足：4.70

公开(公告)号：US07873300B2

公开(公告)日：2011-01-18

申请号：US12186102

申请日：2008-08-05

申请人： Kazuoki Fuwa ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Hiroaki Katoh ,  Yoshitaka Sekiguchi ,  Satoshi Ogawa

发明人： Kazuoki Fuwa ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Hiroaki Katoh ,  Yoshitaka Sekiguchi ,  Satoshi Ogawa

IPC分类号： G03G15/08

CPC分类号： G03G9/097 ,  G03G15/0812 ,  G03G2215/0634

摘要： A single component development device including a toner including a resin, a coloring agent, a wax, a charge control agent and an inorganic particulate, a development roller to bear the toner on the surface of the development roller and transfer the toner to an image bearing member and a thin layer forming member to regulate a thickness of the layer of the toner while in contact with the surface of the development roller via the toner borne thereon, wherein a regulating pressure A between the thin layer forming member and the development roller is from 25 to 60 (N/m), a content Z (weight %) of the charge control agent satisfies the following relationship (1) and an average dispersion particle diameter D (nm) of the charge control agent satisfies the following relationship (2): 0.029×A−0.150>Z>0.013×A−0.013  Relationship (1) D

摘要翻译： 包括包含树脂，着色剂，蜡，电荷控制剂和无机颗粒的调色剂的单组分显影装置，显影辊，用于承载调色剂在显影辊的表面上并将调色剂转印到图像承载 构件和薄层形成构件，以通过其上承载有调色剂的显影辊的表面与显影辊的表面接触来调节调色剂层的厚度，其中薄层形成构件和显影辊之间的调节压力A来自 25〜60（N / m），电荷控制剂的含量Z（重量％）满足下述关系式（1），电荷控制剂的平均分散粒径D（nm）满足下述关系式（2） ：0.029×A-0.150> Z> 0.013×A-0.013关系（1）D <6.3×A-106.3关系（2）。

公开(公告)号：US20090117481A1

公开(公告)日：2009-05-07

申请号：US12241656

申请日：2008-09-30

申请人： Hideaki YASUNAGA ,  Yoshihiro Mikuriya ,  Masayuki Hagi ,  Yoshitaka Sekiguchi ,  Hiroaki Katoh ,  Kazuoki Fuwa

发明人： Hideaki YASUNAGA ,  Yoshihiro Mikuriya ,  Masayuki Hagi ,  Yoshitaka Sekiguchi ,  Hiroaki Katoh ,  Kazuoki Fuwa

IPC分类号： G03G9/00 ,  G03G13/20 ,  G03G15/08

CPC分类号： G03G9/09725 ,  G03G9/081 ,  G03G9/0819 ,  G03G9/08755 ,  G03G15/0887 ,  G03G15/0889 ,  G03G2215/0802

摘要： A toner for one-component developer, including a mother toner including a binder resin including a polyester resin as a main component, a colorant and a release agent; and an external additive in an amount of from 2.5 to 5.0 parts by weight per 100 parts by weight of the mother toner, wherein the toner includes a hexane-extracted volume of from 10 to 40 mg/g and has a cohesion of from 50 to 90%.

摘要翻译： 用于单组分显影剂的调色剂，包括包含以聚酯树脂为主要成分的粘合剂树脂的母料调色剂，着色剂和脱模剂; 和相对于100重量份母料调色剂为2.5-5.0重量份的外部添加剂，其中调色剂包括10至40mg / g的己烷萃取体积，并且具有50至 90％。

公开(公告)号：US20080175630A1

公开(公告)日：2008-07-24

申请号：US12010369

申请日：2008-01-24

申请人： Hideaki Yasunaga ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Yoshitaka Sekiguchi ,  Hiroaki Katoh ,  Kazuoki Fuwa ,  Masahide Inoue

发明人： Hideaki Yasunaga ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Yoshitaka Sekiguchi ,  Hiroaki Katoh ,  Kazuoki Fuwa ,  Masahide Inoue

IPC分类号： G03G15/08

CPC分类号： G03G15/0818

摘要： A developing device including a developing roller facing an image bearing member and a toner layer thickness control member to control an amount of a toner adhered to the developing roller, so that an electrostatic latent image formed on the image bearing member is developed with the toner to form a toner image. The following relationships are satisfied: 0.08×100.3×Dv

摘要翻译： 一种显影装置，包括面向图像承载部件的显影辊和调色剂层厚度控制部件，以控制粘附到显影辊上的调色剂的量，使得形成在图像承载部件上的静电潜像用调色剂显影 形成调色剂图像。 满足以下关系：0.08×10 0.3×Dv

公开(公告)号：US08021814B2

公开(公告)日：2011-09-20

申请号：US12051248

申请日：2008-03-19

申请人： Masayuki Hagi ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Hiroaki Katoh ,  Kazuoki Fuwa ,  Yoshitaka Sekiguchi ,  Satoshi Ogawa ,  Masahide Inoue

发明人： Masayuki Hagi ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Hiroaki Katoh ,  Kazuoki Fuwa ,  Yoshitaka Sekiguchi ,  Satoshi Ogawa ,  Masahide Inoue

IPC分类号： G03G9/08 ,  G03G13/20

CPC分类号： G03G9/08711 ,  G03G9/081 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08797 ,  G03G9/0918

摘要： A toner useful for an oilless fixing method, includes a binder resin; a colorant; and 2.0 to 4.5% by weight of a wax which is soluble in n-hexane, based on a total weight of the toner, wherein the wax is dispersed in the toner, the wax forming wax domain particles (DA) comprising wax domain particles (DS) exposed at a surface of the toner and wax domain particles (DI) encapsulated in the toner and not exposed at the surface of the toner, wherein a weight of the DS is greater than a weight of the DI, wherein the toner from which the DS have been eluted with n-hexane comprises vestigial concavities having an area of 0.01 πμm2 or more on the surface of the toner in an amount of from 1 to 7 pcs/4 μm2, and wherein 60% or more by number of the DA having a particle diameter of 200 nm or more have a spindle or cylindrical shape having an aspect ratio of 4 or more.

摘要翻译： 可用于无油定影方法的调色剂包括粘合剂树脂; 着色剂 和2.0至4.5重量％的可溶于正己烷的蜡，基于调色剂的总重量，其中蜡分散在调色剂中，蜡形成蜡结构域颗粒（DA）包含蜡结构域颗粒（ DS）暴露在调色剂的表面和包封在调色剂中的蜡结构域颗粒（DI），并且不暴露于调色剂的表面，其中DS的重量大于DI的重量，其中调色剂 DS已经用正己烷洗脱，包括在调色剂表面上的面积为0.01和pgr.m2以上的残留凹坑，其量为1至7个/4μm2，并且其中60个或更多个 具有200nm以上的粒径的DA具有纵横比为4以上的纺锤或圆筒状。

公开(公告)号：US07970323B2

公开(公告)日：2011-06-28

申请号：US12042730

申请日：2008-03-05

申请人： Hiroaki Katoh ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Yoshitaka Sekiguchi ,  Kazuoki Fuwa ,  Masahide Inoue

发明人： Hiroaki Katoh ,  Masayuki Hagi ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga ,  Yoshitaka Sekiguchi ,  Kazuoki Fuwa ,  Masahide Inoue

IPC分类号： G03G15/08

CPC分类号： G03G15/0808 ,  G03G9/081 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/08711 ,  G03G9/08755 ,  G03G2215/0614 ,  G03G2215/0634

摘要： A developing device including a developer bearing member configured to feed a developer to an image bearing member; a developer supplying member, which is contacted with the developer bearing member at a first nip while opposed thereto and which is configured to supply the developer to the developer bearing member; and a developer layer forming member, which is contacted with the developer bearing member at a second nip located on the downstream side from the first nip relative to the rotation direction of the developer bearing member to form the layer of the developer on the developer bearing member, wherein the developer is a nonmagnetic one component developer, and the distance between the front edge of the second nip and the rear edge of the first nip relative to the rotation direction of the image bearing member is greater than 0.8 mm and less than 2.0 mm.

摘要翻译： 一种显影装置，包括构造成将显影剂供给到图像承载部件的显影剂承载部件; 显影剂供应构件，其在与其相对的第一压区处与显影剂承载构件接触并且构造成将显影剂供应到显影剂承载构件; 以及显影剂层形成构件，其在与所述显影剂承载构件的旋转方向相对于所述第一辊隙的下游侧的第二辊隙处与所述显影剂承载构件接触，以在所述显影剂承载构件上形成所述显影剂层 其中显影剂是非磁性单组分显影剂，并且第二辊隙的前边缘和第一辊隙的后边缘之间的距离相对于图像承载部件的旋转方向的距离大于0.8mm且小于2.0mm 。