公开(公告)号：US08097390B2

公开(公告)日：2012-01-17

申请号：US12545483

申请日：2009-08-21

申请人： Kazuhiko Yanagida

发明人： Kazuhiko Yanagida

IPC分类号： G03G9/09

CPC分类号： G03G9/0914 ,  G03G9/0912 ,  G03G9/0926

摘要： 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.

摘要翻译： 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

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

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

IPC分类号： G03G9/08

CPC分类号： G03G9/08797 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/09708

摘要： 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.

摘要翻译： 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：US06391506B1

公开(公告)日：2002-05-21

申请号：US08887331

申请日：1997-07-02

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

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

IPC分类号： G03G9113

CPC分类号： G03G9/1075 ,  G03G9/113 ,  G03G9/1133 ,  G03G9/1139

摘要： 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

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

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

IPC分类号： G03G9/113

CPC分类号： G03G9/1131 ,  G03G9/1133 ,  Y10T428/2998

摘要： 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.

摘要翻译： 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

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

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

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

CPC分类号： G03G9/09716 ,  G03G13/09 ,  G03G9/09708

摘要： 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.

摘要翻译： 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：US08715898B2

公开(公告)日：2014-05-06

申请号：US13534637

申请日：2012-06-27

申请人： Kazuhiko Yanagida

发明人： Kazuhiko Yanagida

IPC分类号： G03G9/00 ,  G03G5/00

CPC分类号： G03G9/08755 ,  G03G9/08791 ,  G03G9/1133

摘要： An electrostatic charge image developer includes a toner for developing an electrostatic charge image, containing toner particles including a polyester resin having a rosin skeleton and an external additive, and a carrier having core material particles and a coating resin layer which coats the surface of the core material particles, in which the hardness of the coating resin layer is from 1.2 times to 2.0 times that of the toner particles.

摘要翻译： 静电荷图像显影剂包括用于显影静电荷图像的调色剂，其含有包含具有松香骨架的聚酯树脂和外部添加剂的调色剂颗粒和具有芯材颗粒的载体和涂覆在芯的表面上的涂布树脂层 其中涂覆树脂层的硬度为调色剂颗粒的硬度的1.2倍至2.0倍的材料颗粒。

公开(公告)号：US08507168B2

公开(公告)日：2013-08-13

申请号：US13032083

申请日：2011-02-22

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

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

IPC分类号： G03G9/08

CPC分类号： G03G15/08 ,  G03G9/0819 ,  G03G9/08711 ,  G03G9/08728 ,  G03G9/08793 ,  G03G9/08797 ,  G03G2215/0602

摘要： An electrostatic image developing toner that includes a toner particle including a binder resin containing a resin selected from an acrylic resin, a styrene-acrylic resin, and a styrene-(meth)acrylic acid ester copolymer. The resin has a crosslinked structure formed by using at least one of boric acid and boric acid derivatives.

摘要翻译： 一种静电图像显影调色剂，其包括含有选自丙烯酸树脂，苯乙烯 - 丙烯酸树脂和苯乙烯 - （甲基）丙烯酸酯共聚物的树脂的粘合剂树脂的调色剂颗粒。 树脂具有通过使用硼酸和硼酸衍生物中的至少一种形成的交联结构。

公开(公告)号：US08372574B2

公开(公告)日：2013-02-12

申请号：US13252704

申请日：2011-10-04

申请人： Hideo Maehata ,  Yukihiro Ishii ,  Masaaki Suwabe ,  Tsutomu Kubo ,  Makiko Nakano ,  Kazuhiko Yanagida ,  Yasuo Matsumura

发明人： Hideo Maehata ,  Yukihiro Ishii ,  Masaaki Suwabe ,  Tsutomu Kubo ,  Makiko Nakano ,  Kazuhiko Yanagida ,  Yasuo Matsumura

IPC分类号： G03G9/08

CPC分类号： G03G9/08795 ,  G03G9/0806 ,  G03G9/0812 ,  G03G9/0821 ,  G03G9/08711 ,  G03G9/08782

摘要： 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.

摘要翻译： 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：US07070899B2

公开(公告)日：2006-07-04

申请号：US10606776

申请日：2003-06-27

申请人： Kazuhiko Yanagida ,  Nobumasa Furuya ,  Takashi Yukutake

发明人： Kazuhiko Yanagida ,  Nobumasa Furuya ,  Takashi Yukutake

IPC分类号： G03G9/08

CPC分类号： G03G9/1138 ,  G03G9/0819 ,  G03G9/1131 ,  G03G9/1133 ,  G03G9/1134 ,  G03G9/1139 ,  G03G15/0928

摘要： An electrophotographic developer is provided for realizing high-quality images and superior reproducibility of laser dots in a low coverage region and reduced unevenness of color in halftone solid images. The electrophotographic developer includes a toner and a carrier. The toner has a shape factor of 140 or less and a volume average particle size distribution GSDv of 1.3 or less. The carrier has a coat resin layer on a core material, the coat resin layer containing a conductive powder. The core material has a dynamic electric resistivity of 1 Ω·cm or less under an electric field of 104 V/cm in a form of a magnetic brush. The conductive powder has an electric resistivity of 101 Ω·cm or greater and 106 Ω·cm or less. The carrier has an electric resistivity in a range between 10 and 1×108 Ω·cm. An image forming method is also provided wherein the electrophotographic developer is used for development in a developing stage.

摘要翻译： 提供一种电子照相显影剂，用于在低覆盖区域实现高质量图像和优异的激光点再现性，并减少了半色调实心图像中颜色的不均匀性。 电子照相显影剂包括调色剂和载体。 调色剂的形状因子为140以下，体积平均粒径分布GSDv为1.3以下。 载体在芯材上具有涂层树脂层，涂层树脂层含有导电粉末。 在磁刷形式的10V / cm的电场下，芯材料具有1Ω·cm以下的动态电阻率。 导电粉末的电阻率为10±1cm以上且10〜6Ω·cm以下。 载体的电阻率在10和1×10 8Ωcm之间的范围内。 还提供了一种图像形成方法，其中电子照相显影剂用于显影阶段的显影。

公开(公告)号：US20050147912A1

公开(公告)日：2005-07-07

申请号：US11067900

申请日：2005-03-01

申请人： Masahiro Takagi ,  Kazuhiko Yanagida

发明人： Masahiro Takagi ,  Kazuhiko Yanagida

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/09 ,  G03G15/00 ,  G03G15/01 ,  G03G21/00 ,  G03G15/08 ,  G03G15/20

CPC分类号： G03G9/0926 ,  G03G9/0902

摘要： The present invention provides an electrophotographic toner comprising at least a binder resin and a near-infrared light absorbing material containing inorganic material particles, wherein the rate of absorption in the visible region of the electrophotographic toner is 15% or less and the average dispersion diameter of the near-infrared light absorbing material is in a range from 50 nm to 800 nm. The invention also provides an electrophotographic developer comprising the above photographic toner and a carrier. Further, the invention provides an image forming method using the above electrophotographic toner.