公开(公告)号：US08580474B2

公开(公告)日：2013-11-12

申请号：US13047263

申请日：2011-03-14

Applicant: Susumu Yoshino ,  Sumiaki Yamasaki ,  Satoshi Hiraoka ,  Shigeru Seitoku ,  Hirofumi Shiozaki ,  Kazuhiko Yanagida

Inventor： Susumu Yoshino ,  Sumiaki Yamasaki ,  Satoshi Hiraoka ,  Shigeru Seitoku ,  Hirofumi Shiozaki ,  Kazuhiko Yanagida

IPC: G03G9/113 ,  G03G9/08

CPC classification number: G03G15/09 ,  G03G9/1131 ,  G03G9/1133 ,  G03G9/1137

Abstract: An electrostatic image developing carrier includes a core particle and a coating layer on the core particle. The coating layer contains a resin having a crosslinked structure formed by using at least one compound selected from boric acid and boric acid derivatives.

Abstract translation: 静电图像显影载体包括芯颗粒和芯颗粒上的涂层。 涂层含有通过使用至少一种选自硼酸和硼酸衍生物的化合物形成的具有交联结构的树脂。

公开(公告)号：US20120028187A1

公开(公告)日：2012-02-02

申请号：US13252704

申请日：2011-10-04

Applicant: Hideo MAEHATA ,  Yukihiro Ishii ,  Masaaki Suwabe ,  Tsutomu Kubo ,  Makiko Nakano ,  Kazuhiko Yanagida ,  Yasuo Matsumura

Inventor： Hideo MAEHATA ,  Yukihiro Ishii ,  Masaaki Suwabe ,  Tsutomu Kubo ,  Makiko Nakano ,  Kazuhiko Yanagida ,  Yasuo Matsumura

IPC: G03G9/08

CPC classification number: G03G9/08795 ,  G03G9/0806 ,  G03G9/0812 ,  G03G9/0821 ,  G03G9/08711 ,  G03G9/08782

Abstract: A method of producing an electrostatic latent image developing toner includes: preparing a resin particle dispersion by polymerizing, in a water-based solvent, a polymerizable monomer that comprises a polymerizable monomer comprising a vinyl-based double bond; extracting a liquid from the resin particle dispersion by heating; mixing the distilled resin particle dispersion with a colorant particle dispersion prepared by dispersing a colorant; and aggregating the resin particles, the pigment particles and a release agent particles to form aggregate particles, and then conducting heating to fuse the aggregate particles.

Abstract translation: 静电潜像显影调色剂的制造方法包括：通过在水性溶剂中聚合含有包含乙烯基类双键的聚合性单体的聚合性单体来制备树脂粒子分散液; 通过加热从树脂颗粒分散体中提取液体; 将蒸馏的树脂颗粒分散体与通过分散着色剂制备的着色剂颗粒分散体混合; 聚集树脂颗粒，颜料颗粒和脱模剂颗粒以形成聚集体颗粒，然后进行加热以熔化聚集颗粒。

公开(公告)号：US08097390B2

公开(公告)日：2012-01-17

申请号：US12545483

申请日：2009-08-21

Applicant: Kazuhiko Yanagida

Inventor： Kazuhiko Yanagida

IPC: G03G9/09

CPC classification number: G03G9/0914 ,  G03G9/0912 ,  G03G9/0926

Abstract: The invention provides an electrophotographic toner containing at least a binder resin and an infrared absorber, the infrared absorber comprising a perimidine-squarylium dye represented by the following Formula (1). The invention further provides an invisible electrophotographic toner containing at least a binder resin and an infrared absorber, the infrared absorber containing at least a perimidine-squarylium dye represented by Formula (1). The invention further provides an electrophotographic developer containing at least the invisible electrophotographic toner. The invention further provides a toner cartridge containing at least the invisible electrophotographic toner. The invention further provides a process cartridge equipped with at least a developer holder and having at least the electrophotographic developer. The invention further provides an image forming apparatus having at least a developing unit which develops an electrostatic latent image with the electrophotographic developer to form a toner image.

Abstract translation: 本发明提供了一种含有至少一种粘合剂树脂和一种红外吸收剂的电子照相调色剂，该红外线吸收剂包括由下列通式（1）表示的二嘧啶 - 方菁染料。 本发明还提供至少含有粘合剂树脂和红外线吸收剂的不可见的电子照相调色剂，所述红外线吸收剂至少含有由式（1）表示的邻咪idine啶方菁染料。 本发明还提供至少含有不可见电子照相调色剂的电子照相显影剂。 本发明还提供一种至少含有不可见的电子照相调色剂的调色剂盒。 本发明还提供一种处理盒，其配备有至少一个显影剂载体并且至少具有电子照相显影剂。 本发明还提供了一种图像形成装置，其具有至少一个显影单元，该显影单元用电子照相显影剂显影静电潜像以形成调色剂图像。

公开(公告)号：US07166401B2

公开(公告)日：2007-01-23

申请号：US10790777

申请日：2004-03-03

Applicant: Hiroyuki Tanaka ,  Shuji Sato ,  Yosuke Tsurumi ,  Manabu Serizawa ,  Tsutomu Kubo ,  Shigeru Seitoku ,  Kazuhiko Yanagida

Inventor： Hiroyuki Tanaka ,  Shuji Sato ,  Yosuke Tsurumi ,  Manabu Serizawa ,  Tsutomu Kubo ,  Shigeru Seitoku ,  Kazuhiko Yanagida

IPC: G03G9/08

CPC classification number: G03G9/08797 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/09708

Abstract: The present invention provides a toner for electrophotography comprising a binder resin, a coloring agent and a release agent, wherein the toner has a storage modulus G′ of 5.0×102 to 1.0×105 Pa at 180° C. and an adhesive force to an aluminum substrate of not more than 50 N/m at 180° C. The invention also provides an image-forming method, which includes charging a surface of an image-bearing body; forming an electrostatic latent image according to image information on the charged surface of the image-bearing body; developing the electrostatic latent image formed on the surface of the image-bearing body with the toner to provide a toner image; transferring the toner image formed on the surface of the image-bearing body to a surface of a recording medium, and fusing the toner image transferred on the surface of the recording medium.

Abstract translation: 本发明提供一种用于电子照相的调色剂，其包含粘合剂树脂，着色剂和脱模剂，其中调色剂的储能模量G'为5.0×10 -2至1.0×10 5 / SUP> Pa，在180℃下对铝基板的粘合力不大于50N / m。本发明还提供了一种图像形成方法，其包括对图像承载体的表面进行充电 ; 根据图像载体的带电表面上的图像信息形成静电潜像; 用调色剂显影形成在图像承载体的表面上的静电潜像以提供调色剂图像; 将形成在图像承载体的表面上的调色剂图像转印到记录介质的表面上，并将转印在记录介质表面上的调色剂图像定影。

公开(公告)号：US07074540B2

公开(公告)日：2006-07-11

申请号：US10976819

申请日：2004-11-01

Applicant: Katsumi Nukada ,  Kazuhiro Koseki ,  Wataru Yamada ,  Takayuki Yamashita ,  Masahiro Iwasaki ,  Takahiro Suzuki ,  Kiyoshi Chatani ,  Yoshinari Ueno ,  Hidekazu Yaguchi ,  Kazuhiko Yanagida

Inventor： Katsumi Nukada ,  Kazuhiro Koseki ,  Wataru Yamada ,  Takayuki Yamashita ,  Masahiro Iwasaki ,  Takahiro Suzuki ,  Kiyoshi Chatani ,  Yoshinari Ueno ,  Hidekazu Yaguchi ,  Kazuhiko Yanagida

IPC: G03G21/10

CPC classification number: G03G21/0035

Abstract: An image forming apparatus is capable of performing image formation at a processing speed of not lower than 150 mm/s. An electrophotographic photoreceptor comprises a surface layer containing a siloxane-bases resin having charge-transporting properties and a crosslinked structure. A cleaning device comprises a brush member disposed such that the leading end of said brush comes in contact with said electrophotographic photoreceptor. The product (Rz×We) of the surface roughness (Rz [μm]) of said electrophotographic photoreceptor after 200,000 rotations thereof and the wear rate of said electrophotographic photoreceptor per 1,000 rotations (We [nm]) is not greater than 20.

Abstract translation: 图像形成装置能够以不低于150mm / s的处理速度进行图像形成。 电子照相感光体包括含有具有电荷传输性能和交联结构的硅氧烷基树脂的表面层。 清洁装置包括刷构件，其布置成使得所述刷子的前端与所述电子照相感光体接触。 所述电子照相感光体在其20万旋转后的表面粗糙度（R z z max）的产物（R z z x e e e）和 所述电子照相感光体每1000转（W e e [nm]）的磨损率不大于20。

公开(公告)号：US06391506B1

公开(公告)日：2002-05-21

申请号：US08887331

申请日：1997-07-02

Applicant: Kazuhiko Yanagida ,  Suk Kim ,  Shigeru Inaba ,  Taku Fukuhara ,  Yasuhiro Oda

Inventor： Kazuhiko Yanagida ,  Suk Kim ,  Shigeru Inaba ,  Taku Fukuhara ,  Yasuhiro Oda

IPC: G03G9113

CPC classification number: G03G9/1075 ,  G03G9/113 ,  G03G9/1133 ,  G03G9/1139

Abstract: The present invention discloses a carrier, which comprises a core and a resin coating layer formed thereon containing electroconductive powder, wherein, when the magnetic brush is formed only of the core, the dynamic electrical resistance of the core forming the magnetic brush under an electric field of 104 V/cm is 1 &OHgr;·cm or less and the electrical resistance of the resin coating layer is from 10 to 1×108 &OHgr;·cm, a developer using the carrier, and an image-forming method using the developer. Owing to the present invention, a superior solid image, which is free of brush marks and carrier beads carry over, can be obtained.

公开(公告)号：US5932387A

公开(公告)日：1999-08-03

申请号：US907002

申请日：1997-08-06

Applicant: Yasuo Yamamoto ,  Takeshi Agata ,  Masato Mikami ,  Kazuhiko Yanagida ,  Suk Kim

Inventor： Yasuo Yamamoto ,  Takeshi Agata ,  Masato Mikami ,  Kazuhiko Yanagida ,  Suk Kim

IPC: G03G9/113

CPC classification number: G03G9/1131 ,  G03G9/1133 ,  Y10T428/2998

Abstract: The present invention provides a charged member which has no reduction in the amount of electrostatic charge at high temperature and high humidity and no extreme increase in the amount of electrostatic charge at low temperature and low humidity, improves the adhesion force between a charged member and a coating layer, prevents deterioration of developer through peeling of the coating layer. It provides excellent durability without deterioration of toner through adhering of a toner to the carrier. More particularly, a carrier for electrophotography and a sleeve for electrostatic development which use as a coating material a high-molecular compound containing as an essential component the first monomer represented by the following general formula (1) and/or (2), the second monomer represented by the following general formula (3) and/or (4) and a coupling agent containing a vinyl group are provided.

Abstract translation: 本发明提供了一种充电部件，其在高温高湿下不会减少静电电荷量，并且在低温和低湿度下不会极大地增加静电电荷，从而提高带电部件与 涂层，通过剥离涂层防止显影剂的劣化。 它通过将调色剂粘附到载体上而提供优异的耐久性而不会使调色剂劣化。 更具体地说，一种用于电子照相的载体和用于静电显影的套筒，其用作涂覆材料，含有由以下通式（1）和/或（2）表示的第一单体作为主要成分的高分子化合物，第二种 提供由以下通式（3）和/或（4）表示的单体和含有乙烯基的偶联剂。

公开(公告)号：US5783345A

公开(公告)日：1998-07-21

申请号：US755661

申请日：1996-11-25

Applicant: Susumu Yoshino ,  Suk Kim ,  Takashi Imai ,  Kazuhiko Yanagida ,  Koichi Takashima

Inventor： Susumu Yoshino ,  Suk Kim ,  Takashi Imai ,  Kazuhiko Yanagida ,  Koichi Takashima

IPC: G03G9/08 ,  G03G9/097 ,  G03G13/09 ,  G03G15/08 ,  G03G15/09 ,  G03G13/08

CPC classification number: G03G9/09716 ,  G03G13/09 ,  G03G9/09708

Abstract: An image forming method wherein a developer layer formed by a layer forming material and supported on a developer supporting body is used to develop an electrostatic latent image on an electrostatic latent image supporting body, thereby forming an image. In the method, the direction of rotation of the developer supporting body is the same as that of the electrostatic latent image supporting body, the ratio of peripheral speed of the developer supporting body to the electrostatic latent image supporting body ranges from 0.7 to 1.8, the developer is composed of a carrier and a toner, and the toner contains a conductive inorganic fine powder. The method is useful for making an amount of static electrification of the toner suitable and stabilizing the same.

Abstract translation: 一种图像形成方法，其中使用由成膜材料形成并支撑在显影剂支撑体上的显影剂层来使静电潜像支撑体上的静电潜像显影，从而形成图像。 在该方法中，显影剂支撑体的旋转方向与静电潜像支撑体的旋转方向相同，显影剂支承体与静电潜像支撑体的圆周速度的比例为0.7〜1.8， 显影剂由载体和调色剂组成，并且调色剂含有导电无机细粉末。 该方法可用于使调色剂的静电带电量适合并使其稳定。

公开(公告)号：US5576806A

公开(公告)日：1996-11-19

申请号：US517207

申请日：1995-08-21

Applicant: Kozo Oka ,  Kazuhiko Yanagida ,  Taketoshi Hoshizaki ,  Kazuhiro Koseki

Inventor： Kozo Oka ,  Kazuhiko Yanagida ,  Taketoshi Hoshizaki ,  Kazuhiro Koseki

IPC: F16C13/00 ,  G03G15/02

CPC classification number: G03G15/0233 ,  Y10S430/102

Abstract: A charging roll fit for use at high speed, having good maintaining property of charging characteristics in long-term use, stable in electric resistance under the environmental conditions, and having no fear of pinhole leak and photoreceptor contamination, which comprises a conductive shaft and a conductive layer formed thereon, wherein said conductive layer contains a layer in which SnO.sub.2-x -coated BaSO.sub.4 particles having an electric resistance of 0.1 to 10 .OMEGA..multidot.cm are dispersed in a resin, and the value of x is 0 to 1.

Abstract translation: 一种充电辊适合高速使用，长期使用时具有良好的充电特性保持性能，在环境条件下电阻稳定，并且不怕针孔泄漏和感光器污染，其包括导电轴和 导电层，其中所述导电层包含其中具有0.1至10欧姆×xcm的电阻的SnO 2-x涂覆的BaSO 4颗粒分散在树脂中的层，并且x的值为0至1。

公开(公告)号：US08652733B2

公开(公告)日：2014-02-18

申请号：US13024020

申请日：2011-02-09

Applicant: Sumiaki Yamasaki ,  Kazuhiko Yanagida ,  Susumu Yoshino ,  Satoshi Hiraoka ,  Shigeru Seitoku ,  Hirofumi Shiozaki

Inventor： Sumiaki Yamasaki ,  Kazuhiko Yanagida ,  Susumu Yoshino ,  Satoshi Hiraoka ,  Shigeru Seitoku ,  Hirofumi Shiozaki

IPC: G03G9/093

CPC classification number: G03G21/1814 ,  G03G9/09321 ,  G03G9/09328 ,  G03G9/09371 ,  G03G9/09392

Abstract: An electrostatic image developing toner includes a core particle containing a binder resin and a coating layer on the core particle. The coating layer contains a resin having a crosslinked structure formed by using at least one of boric acid and derivatives thereof, and the resin having the crosslinked structure is obtained by polymerizing monomers in the presence of the core particle.

Abstract translation: 静电图像显影调色剂包括在核心颗粒上含有粘合剂树脂和涂层的芯颗粒。 涂层含有通过使用硼酸及其衍生物中的至少一种形成的交联结构的树脂，并且具有交联结构的树脂通过在核心颗粒的存在下聚合单体获得。