公开(公告)号：US08396399B2

公开(公告)日：2013-03-12

申请号：US12791544

申请日：2010-06-01

Applicant: Yasuyuki Yamashita ,  Keiko Osaka ,  Ryoichi Kitajima

Inventor： Yasuyuki Yamashita ,  Keiko Osaka ,  Ryoichi Kitajima

IPC: G03G15/08

CPC classification number: G03G15/065 ,  G03G15/0803 ,  G03G15/0818 ,  G03G2215/0651

Abstract: A toner bearing member is provided which includes a conductive support, an insulation layer provided on the conductive support, multiple electrodes arranged at regular intervals on the insulation layer, a surface layer covering the multiple electrodes, comprising a polymerized compound having a specific unit, and a voltage applicator that applies a voltage between the conductive support and the multiple electrodes while periodically reversing an electric field generated therebetween.

Abstract translation: 提供了一种调色剂承载构件，其包括导电支撑件，设置在导电支撑件上的绝缘层，以规则间隔布置在绝缘层上的多个电极，覆盖多个电极的表面层，包括具有特定单位的聚合化合物，以及 电压施加器，其在导电支撑件和多个电极之间施加电压，同时周期性地反转其间产生的电场。

公开(公告)号：US20110176835A1

公开(公告)日：2011-07-21

申请号：US13010334

申请日：2011-01-20

Applicant: Yasuyuki YAMASHITA ,  Ryoichi Kitajima

Inventor： Yasuyuki YAMASHITA ,  Ryoichi Kitajima

IPC: G03G15/08

CPC classification number: G03G15/0818 ,  G03G5/0202 ,  G03G5/10 ,  G03G5/102 ,  G03G5/14752 ,  G03G2215/0634

Abstract: A toner bearing member having an electroconductive substrate, an insulation layer formed on the electroconductive substrate, multiple electrodes spaced a constant distance apart therebetween, formed on the insulation layer, and a surface layer that covers the multiple electrodes, the surface layer comprising a polymerizable material comprising a structure unit represented by the following chemical structure 1 and at least one of cyclohexanone and cyclopentanone, where R1 and R2, each, independently represent a hydrogen atom, an alkyl group, or an aryl group, or form a cyclic hydrocarbon residual group having 5 to 8 carbon atoms, R3 and R4, each, independently represent a hydrogen atom, a halogen atom, an alkyl group, or an aryl group, and “a” and “b” represent integers of 1 or 2.

Abstract translation: 一种调色剂承载部件，其具有导电性基体，形成在导电性基体上的绝缘层，形成在绝缘层上的间隔开恒定距离的多个电极以及覆盖多个电极的表面层，该表面层包含聚合性材料 包括由以下化学结构1表示的结构单元和环己酮和环戊酮中的至少一种，其中R 1和R 2各自独立地表示氢原子，烷基或芳基，或形成具有 5至8个碳原子，R 3和R 4各自独立地表示氢原子，卤素原子，烷基或芳基，“a”和“b”表示1或2的整数。

公开(公告)号：US07315722B2

公开(公告)日：2008-01-01

申请号：US11016708

申请日：2004-12-21

Applicant: Ryoichi Kitajima ,  Hidetoshi Kami ,  Yoshiaki Kwasaki ,  Naohiro Toda ,  Maiko Kondoh ,  Hiroshi Nagame

Inventor： Ryoichi Kitajima ,  Hidetoshi Kami ,  Yoshiaki Kwasaki ,  Naohiro Toda ,  Maiko Kondoh ,  Hiroshi Nagame

IPC: G03G21/00

CPC classification number: G03G15/751

Abstract: An image forming apparatus, including an electrophotographic photoreceptor including: an electroconductive substrate, a photosensitive layer overlying the electroconductive substrate, and a protective layer overlying the photosensitive layer and serving as an outermost layer, wherein the protective layer has an average abraded thickness not greater than 1 μm after the electrophotographic image forming apparatus produces 100,000 images; a charger charging the electrophotographic photoreceptor; an irradiator irradiating the electrophotographic photoreceptor to form an electrostatic latent image thereon; an image developer developing the electrostatic latent image with a toner to form a toner image on the electrophotographic photoreceptor; a transferer transferring the toner image onto a transfer sheet; and a cleaner cleaning a surface of the electrophotographic photoreceptor, wherein the cleaner comprises a cleaning brush impregnated with a resin.

Abstract translation: 一种图像形成装置，包括电子照相感光体，其包括：导电性基体，覆盖导电性基体的感光层和覆盖感光层并作为最外层的保护层，其中，保护层的平均研磨厚度不大于 电子照相图像形成装置之后的1um产生100,000张图像; 充电电子照相感光体的充电器; 照射所述电子照相感光体以在其上形成静电潜像的照射器; 使用调色剂显影静电潜像以在电子照相感光体上形成调色剂图像的图像显影剂; 转印器将调色剂图像转印到转印纸上; 以及清洁电子照相感光体的表面的清洁剂，其中所述清洁器包括浸渍有树脂的清洁刷。

公开(公告)号：US08369755B2

公开(公告)日：2013-02-05

申请号：US12821382

申请日：2010-06-23

Applicant: Keiko Osaka ,  Yasuyuki Yamashita ,  Ryoichi Kitajima

Inventor： Keiko Osaka ,  Yasuyuki Yamashita ,  Ryoichi Kitajima

IPC: G03G15/00

CPC classification number: G03G15/0818 ,  G03G2215/0651 ,  Y10T428/24802

Abstract: The developing device includes a developer charging member configured to charge a toner serving as a one developer; and a developer bearing member configured to bear and feed the charged toner while forming an electric field so that the toner hops. The developer bearing member includes an insulating substrate; plural electrodes arranged on the insulating substrate in a developer feeding direction to form the electric field; and an outermost layer covering the plural electrodes. The toner has a softening point of from 115 to 130° C.

Abstract translation: 显影装置包括构造成对作为一个显影剂的调色剂充电的显影剂充电部件; 以及显影剂承载部件，其构造成在形成电场的同时承载和进给所述带电调色剂，使得所述调色剂跳跃。 显影剂承载部件包括绝缘基板; 多个电极以显影剂供给方向布置在绝缘基板上以形成电场; 以及覆盖多个电极的最外层。 该调色剂的软化点为115-130℃。

公开(公告)号：US20100329748A1

公开(公告)日：2010-12-30

申请号：US12821382

申请日：2010-06-23

Applicant: Keiko OSAKA ,  Yasuyuki Yamashita ,  Ryoichi Kitajima

Inventor： Keiko OSAKA ,  Yasuyuki Yamashita ,  Ryoichi Kitajima

IPC: G03G15/08

CPC classification number: G03G15/0818 ,  G03G2215/0651 ,  Y10T428/24802

Abstract: The developing device includes a developer charging member configured to charge a toner serving as a one developer; and a developer bearing member configured to bear and feed the charged toner while forming an electric field so that the toner hops. The developer bearing member includes an insulating substrate; plural electrodes arranged on the insulating substrate in a developer feeding direction to form the electric field; and an outermost layer covering the plural electrodes. The toner has a softening point of from 115 to 130° C.

Abstract translation: 显影装置包括构造成对作为一个显影剂的调色剂充电的显影剂充电部件; 以及显影剂承载部件，其构造成在形成电场的同时承载和进给所述带电调色剂，使得所述调色剂跳跃。 显影剂承载部件包括绝缘基板; 多个电极以显影剂供给方向布置在绝缘基板上以形成电场; 以及覆盖多个电极的最外层。 该调色剂的软化点为115-130℃。

公开(公告)号：US07482104B2

公开(公告)日：2009-01-27

申请号：US12103904

申请日：2008-04-16

Applicant: Maiko Kondo ,  Hidetoshi Kami ,  Naohiro Toda ,  Ryoichi Kitajima ,  Hiroshi Nagame ,  Narihito Kojima ,  Yoshiaki Kawasaki

Inventor： Maiko Kondo ,  Hidetoshi Kami ,  Naohiro Toda ,  Ryoichi Kitajima ,  Hiroshi Nagame ,  Narihito Kojima ,  Yoshiaki Kawasaki

IPC: G03G9/08

CPC classification number: G03G5/0698 ,  G03G5/051 ,  G03G5/0589 ,  G03G5/0592 ,  G03G5/07 ,  G03G9/0827 ,  G03G9/097 ,  G03G9/09708

Abstract: An image forming method, includes: forming a latent electrostatic image on a latent electrostatic image carrier; developing the latent electrostatic image with a toner to thereby form a visible image; transferring the visible image to a recording medium; and fixing the image transferred to the recording medium. The latent electrostatic image carrier includes: a support, a photoconductive layer on the support, and a surface protective layer on the support. The surface protective layer includes a reactant made by cross-linking the following: an electric charge transporting material which comprises a reactive functional group, a cross-linking resin, and a fluorine surfactant. The toner comprises an inorganic fine particle which defines an effective inorganic fine particle amount in a range of 0.8% by mass to 3.0% by mass calculated from the following equation (1): Effective ⁢ ⁢ inorganic ⁢ ⁢ particle ⁢ ⁢ amount ⁢ ⁢ ( % ) = Inorganic ⁢ ⁢ particle ⁢ ⁢ amount ⁢ ⁢ ( % ) SF - 2 ⁢ / ⁢ 100 Equation ⁢ ⁢ ( 1 ) where SF-2 denotes a shape factor of the toner.

公开(公告)号：US20100303509A1

公开(公告)日：2010-12-02

申请号：US12791544

申请日：2010-06-01

Applicant: Yasuyuki YAMASHITA ,  Keiko Osaka ,  Ryoichi Kitajima

Inventor： Yasuyuki YAMASHITA ,  Keiko Osaka ,  Ryoichi Kitajima

IPC: G03G15/08

CPC classification number: G03G15/065 ,  G03G15/0803 ,  G03G15/0818 ,  G03G2215/0651

Abstract: A toner bearing member is provided which includes a conductive support, an insulation layer provided on the conductive support, multiple electrodes arranged at regular intervals on the insulation layer, a surface layer covering the multiple electrodes, comprising a polymerized compound having a specific unit, and a voltage applicator that applies a voltage between the conductive support and the multiple electrodes while periodically reversing an electric field generated therebetween.

Abstract translation: 提供了一种调色剂承载构件，其包括导电支撑件，设置在导电支撑件上的绝缘层，以规则间隔布置在绝缘层上的多个电极，覆盖多个电极的表面层，包括具有特定单位的聚合化合物，以及 电压施加器，其在导电支撑件和多个电极之间施加电压，同时周期性地反转其间产生的电场。

公开(公告)号：US20080193865A1

公开(公告)日：2008-08-14

申请号：US12103904

申请日：2008-04-16

Applicant: Maiko KONDO ,  Hidetoshi Kami ,  Naohiro Toda ,  Ryoichi Kitajima ,  Hiroshi Nagame ,  Narihito Kojima ,  Yoshiaki Kawasaki

Inventor： Maiko KONDO ,  Hidetoshi Kami ,  Naohiro Toda ,  Ryoichi Kitajima ,  Hiroshi Nagame ,  Narihito Kojima ,  Yoshiaki Kawasaki

IPC: G03G13/14 ,  G03G9/107

CPC classification number: G03G5/0698 ,  G03G5/051 ,  G03G5/0589 ,  G03G5/0592 ,  G03G5/07 ,  G03G9/0827 ,  G03G9/097 ,  G03G9/09708

Abstract: An image forming method, includes: forming a latent electrostatic image on a latent electrostatic image carrier; developing the latent electrostatic image with a toner to thereby form a visible image; transferring the visible image to a recording medium; and fixing the image transferred to the recording medium. The latent electrostatic image carrier includes: a support, a photoconductive layer on the support, and a surface protective layer on the support. The surface protective layer includes a reactant made by cross-linking the following: an electric charge transporting material which comprises a reactive functional group, a cross-linking resin, and a fluorine surfactant. The toner comprises an inorganic fine particle which defines an effective inorganic fine particle amount in a range of 0.8% by mass to 3.0% by mass calculated from the following equation (1): Effective   inorganic   particle   amount   ( % ) = Inorganic   particle   amount   ( % ) SF - 2  /  100 Equation   ( 1 ) where SF-2 denotes a shape factor of the toner.

公开(公告)号：US07386256B2

公开(公告)日：2008-06-10

申请号：US11007784

申请日：2004-12-09

Applicant: Maiko Kondo ,  Hidetoshi Kami ,  Naohiro Toda ,  Ryoichi Kitajima ,  Hiroshi Nagame ,  Narihito Kojima ,  Yoshiaki Kawasaki

Inventor： Maiko Kondo ,  Hidetoshi Kami ,  Naohiro Toda ,  Ryoichi Kitajima ,  Hiroshi Nagame ,  Narihito Kojima ,  Yoshiaki Kawasaki

IPC: G03G15/08

CPC classification number: G03G5/0698 ,  G03G5/051 ,  G03G5/0589 ,  G03G5/0592 ,  G03G5/07 ,  G03G9/0827 ,  G03G9/097 ,  G03G9/09708

Abstract: An image forming method, includes: forming a latent electrostatic image on a latent electrostatic image carrier; developing the latent electrostatic image with a toner to thereby form a visible image; transferring the visible image to a recording medium; and fixing the image transferred to the recording medium. The latent electrostatic image carrier includes: a support, a photoconductive layer on the support, and a surface protective layer on the support. The surface protective layer includes a reactant made by cross-linking the following: an electric charge transporting material which comprises a reactive functional group, a cross-linking resin, and a fluorine surfactant. The toner comprises an inorganic fine particle which defines an effective inorganic fine particle amount in a range of 0.8% by mass to 3.0% by mass calculated from the following equation (1): Effective ⁢ ⁢ inorganic particle ⁢ ⁢ amount ⁢ ⁢ ( % ) = Inorganic ⁢ ⁢ particle ⁢ ⁢ amount ⁢ ⁢ ( % ) SF ⁢ - ⁢ 2 / 100 Equation ⁢ ⁢ ( 1 ) where SF-2 denotes a shape factor of the toner.

公开(公告)号：US07341814B2

公开(公告)日：2008-03-11

申请号：US11030307

申请日：2005-01-07

Applicant: Hidetoshi Kami ,  Naohiro Toda ,  Yoshiaki Kawasaki ,  Maiko Kondo ,  Ryoichi Kitajima ,  Narihito Kojima ,  Hiroshi Nagame

Inventor： Hidetoshi Kami ,  Naohiro Toda ,  Yoshiaki Kawasaki ,  Maiko Kondo ,  Ryoichi Kitajima ,  Narihito Kojima ,  Hiroshi Nagame

IPC: G03G15/04

CPC classification number: G03G5/0668 ,  G03G5/0575 ,  G03G5/0592 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/0679 ,  G03G5/14708 ,  G03G5/14769 ,  G03G5/14791 ,  G03G5/14795

Abstract: An electrophotographic photoconductor includes an electroconductive substrate, a photoconductive layer arranged over the electroconductive layer with or without the interposition of an undercoat layer, and a surface top layer containing a crosslinkable resin arranged over the photoconductive layer, the photoconductive layer includes a charge generation layer containing a charge generating material, and a charge transport layer containing a charge transporting material, in which the surface top layer is substantially free from hydroxyl groups and residual uncured portions.

Abstract translation: 电子照相感光体包括导电性基体，在有或没有插入底涂层的情况下布置在导电层上的感光层，以及含有布置在光电导层上的可交联树脂的表面顶层，光电导层包括含有 电荷产生材料和包含电荷输送材料的电荷输送层，其中表面顶层基本上不含羟基和残留的未固化部分。