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31. 发明申请

US20070048652A1 Carrier and developer 审中-公开
标题翻译：运营商和开发商
公开(公告)号：US20070048652A1
公开(公告)日：2007-03-01
申请号：US11508922
申请日：2006-08-24
申请人： Naoki Imahashi , Kimitoshi Yamaguchi , Masashi Nagayama
发明人： Naoki Imahashi , Kimitoshi Yamaguchi , Masashi Nagayama
IPC分类号： G03G9/113
CPC分类号： G03G9/1075 , G03G9/1136 , G03G9/1139
摘要： The present invention provides a carrier which contains core material particles having magnetism and a coating layer on the surfaces of the core material particles; in which the particle density of the core material particles is 4.0 g/cm3 to 6.0 g/cm3, and the bulk density of the core material particles is 2.0 g/cm3 to 3.0 g/cm3; and also provides a developer using the carrier, an image forming method using the developer, an image forming apparatus using the developer, and a process cartridge using the developer.
摘要翻译：本发明提供一种载体，其含有具有磁性的芯材颗粒和在芯材颗粒的表面上的涂层; 其中芯材颗粒的颗粒密度为4.0g / cm 3至6.0g / cm 3，芯材颗粒的堆积密度为2.0g / cm 3至3.0g / cm 3; 并且还提供使用载体的显影剂，使用显影剂的图像形成方法，使用显影剂的图像形成装置和使用显影剂的处理盒。

32. 发明授权

US06743558B2 Carrier for electrophotographic developer 有权
标题翻译：电子照相显影剂载体
公开(公告)号：US06743558B2
公开(公告)日：2004-06-01
申请号：US10135377
申请日：2002-05-01
申请人： Kimitoshi Yamaguchi , Masahide Yamashita , Akihiro Kotsugai , Hiroaki Takahashi
发明人： Kimitoshi Yamaguchi , Masahide Yamashita , Akihiro Kotsugai , Hiroaki Takahashi
IPC分类号： G03G900
CPC分类号： G03G9/107 , G03G9/0836 , G03G9/0838
摘要： A carrier for electrophotographic developer essentially consisting of a core material of magnetic particles and thereon provided a resinous coating layer, wherein a weight-average particle-diameter(Dw) of the carrier ranges from 25 to 45 &mgr;m, the content of particles having diameter less than 44 &mgr;m is more than or equal to 75% by weight, the content of particles having diameter more than or equal to 62 &mgr;m is less than one percent by weight, the content of particles having diameter less than 22 &mgr;m is less than or equal to 7.0% by weight, the magnetic moment of the carrier at 1 kilo Oe of magnetic field is more than or equal to 76 emu/g. The carrier shows high optical density of image with no smearing of background area, good reproducibility in developing of small dots in image with no carrier deposition.
摘要翻译：一种电子照相显影剂载体，其基本上由磁性颗粒的芯材料组成，其上提供了树脂涂层，其中载体的重均粒径（Dw）为25-45μm，颗粒的含量为 44重量％以上为75重量％以上，直径大于等于62μm的颗粒的含量小于1重量％，直径小于22μm的颗粒的含量小于或等于至7.0重量％，载流子在1千欧磁场的磁矩大于或等于76emu / g。载体显示高的图像光密度，没有背景区域的污迹，在没有载体沉积的图像中小点的显影中具有良好的再现性。

33. 发明授权

US06696213B2 Method of developing a latent electrostatic image 有权
标题翻译：显影静电潜像的方法
公开(公告)号：US06696213B2
公开(公告)日：2004-02-24
申请号：US10091498
申请日：2002-03-07
申请人： Kimitoshi Yamaguchi , Akihiro Kotsugai
发明人： Kimitoshi Yamaguchi , Akihiro Kotsugai
IPC分类号： G03G1509
CPC分类号： G03G13/09 , G03G9/10
摘要： A method of developing a latent electrostatic image using a two-component developer system, having a ratio (Vr/Vp) ranges 1.2
摘要翻译：使用双组分显影剂体系显影静电潜像的方法，其中（Vp / Vp）的比例（Vr / Vp）为1.2 <（Vr / Vp）<3，其中（Vp）为线速度（Vp）[m / sec ]，并且（Vr）是显影套筒的线速度（Vr）[m / sec]，并施加偏压直流电压（VB）[伏特]，其中：作为感光构件和显影套筒之间最近点处的距离的显影间隙（Gp）[cm]小于或等于0.6mm，比率（rhop / rhoa）满足表达式（rhop / rhoa）<0.7 其中rhop是感光构件和显影套筒之间最近点处的显影剂的密度[g / cm 3]，其由等式rhop = J / Gp表示，其中J是开发者的量（说明书中，rhop也表示为“显影剂的密度”或“GP剂的密度”），rhoa为显影剂的体积密度[g / cm 3]，电子照相用载体为使用的重均粒径（Dv）为25μm〜45μm的载体芯颗粒，小于44μm的颗粒为70重量％以上的载体，粒径小于 22重量％小于或等于7重量％，重量平均粒径（Dv）并且数均粒径（Dp）满足表达式1 <=（Dv / Dp）<= 1.30，核心颗粒通过涂布形式与树脂材料一起使用。提供了用于消除从显影方向（显影套筒的行进速度快于静电潜像的行进速度）导出的显影图像中的不期望的伪影的方法。

34. 发明授权

US06472118B1 Carrier for developer for electrophotography 有权
标题翻译：电子照相显影剂载体
公开(公告)号：US06472118B1
公开(公告)日：2002-10-29
申请号：US09713201
申请日：2000-11-16
申请人： Kimitoshi Yamaguchi , Akihiro Kotsugai
发明人： Kimitoshi Yamaguchi , Akihiro Kotsugai
IPC分类号： G03G900
CPC分类号： G03G9/107 , G03G9/1075 , G03G9/1136
摘要： A carrier for an image developer for electrophotography, including core particles, and a coating layer covering each of the core particles, wherein the core particles have a weight average particle diameter of Dv which is 25-45 &mgr;m and a number average particle diameter of Dp which meets with the following condition: 1≦Dv/Dp≦1.3, wherein the core particles have such a particle size distribution that particles having a particle diameter of less than 44 &mgr;m is at least 70% by weight and particles having a particle diameter of less than 22 &mgr;m is not more than 7% by weight.
摘要翻译：一种用于电子照相的图像显影剂的载体，包括核心颗粒和覆盖每个核心颗粒的涂层，其中芯颗粒的重均粒径为Dv为25-45μm，数均粒径为Dp 其符合以下条件：其中核心颗粒具有如此的粒径分布，粒径小于44μm的颗粒为至少70重量％，粒径小于22μm的颗粒不大于 7重量％。

35. 发明授权

US4950573A Toner for developing latent electrostatic images 失效
标题翻译：用于显影静电潜像的调色剂
公开(公告)号：US4950573A
公开(公告)日：1990-08-21
申请号：US121483
申请日：1987-11-17
申请人： Kimitoshi Yamaguchi , Kazuhiko Umemura , Yoshihiro Nomura
发明人： Kimitoshi Yamaguchi , Kazuhiko Umemura , Yoshihiro Nomura
IPC分类号： G03G9/08 , G03G9/087
CPC分类号： G03G9/0825 , G03G9/08751 , G03G9/08773
摘要： A toner for developing latent electrostatic images is disclosed, which comprises (a) thermofusible base particles A having a softening point of 80.degree. C. or less, a flow starting temperature of 110.degree. C. or less, and an average particle size of 5 to 25 .mu.m, and (b) small particles B comprising as the main component an organic polymeric material having a softening point at least 5.degree. C. higher than the softening point of the base particles A and no practical softening point, and an average particle size ranging from 0.1 .mu.m or more, but not more than 1/4 of the average particle size of the base particles A, which small particles B are embedded in the surface of the base particles A so as to cover the surface of the base particles A to a depth of less than the particle size of the small particles B.
摘要翻译：公开了用于显影静电图像的调色剂，其包含（a）软化点为80℃或更低，流动起始温度为110℃或更低，平均粒度为5的热熔性基础颗粒A 至（b）作为主要成分的小粒子B，其含有软化点比基础粒子A的软化点高5℃以上的有机聚合物，没有实用的软化点，平均粒径粒径为0.1μm以上且不超过基体颗粒A的平均粒径的1/4，该颗粒B被嵌入基体颗粒A的表面，以覆盖基体颗粒A的表面基础颗粒A的深度小于小颗粒B的粒度。

36. 发明授权

US09029061B2 Carrier, developer using the carrier, and developing device, image forming method, image forming apparatus and process cartridge using the developer 有权
标题翻译：使用该载体的载体，显影剂，显影装置，图像形成方法，图像形成装置和使用该显影剂的处理盒
公开(公告)号：US09029061B2
公开(公告)日：2015-05-12
申请号：US12978920
申请日：2010-12-27
申请人： Koichi Sakata , Minoru Masuda , Hisashi Nakajima , Kimitoshi Yamaguchi , Yutaka Takahashi , Hitoshi Iwatsuki , Saori Yamada , Toyoaki Tano
发明人： Koichi Sakata , Minoru Masuda , Hisashi Nakajima , Kimitoshi Yamaguchi , Yutaka Takahashi , Hitoshi Iwatsuki , Saori Yamada , Toyoaki Tano
IPC分类号： G03G9/00 , G03G9/113 , G03G9/10 , G03G13/06 , G03G13/08
CPC分类号： G03G9/1139 , G03G9/10 , G03G9/1136 , G03G13/06 , G03G13/08
摘要： A carrier for use in a two component developer for developing an electrostatic latent image is provided. The carrier includes a particulate core material; and a cover layer located on a surface of the core material and including a silicone resin and barium sulfate. The cover layer includes Ba and Si at an atomic ratio of from 0.01 to 0.08 as determined by X-ray photoelectron spectroscopy.
摘要翻译：提供了用于显影静电潜像的双组分显影剂中的载体。载体包括颗粒芯材料; 以及覆盖层，其位于所述芯材的表面上，并且包括硅树脂和硫酸钡。覆盖层包括通过X射线光电子能谱测定的原子比为0.01至0.08的Ba和Si。

37. 发明授权

US08728698B2 Carrier, developer, image forming method and process cartridge 有权
标题翻译：载体，显影剂，成像方法和处理盒
公开(公告)号：US08728698B2
公开(公告)日：2014-05-20
申请号：US12282077
申请日：2007-03-06
申请人： Masashi Nagayama , Kimitoshi Yamaguchi , Naoki Imahashi
发明人： Masashi Nagayama , Kimitoshi Yamaguchi , Naoki Imahashi
IPC分类号： G03G9/113 , G03G13/20 , G03G9/08 , G03G15/20
CPC分类号： G03G9/0819 , G03G9/0821 , G03G9/0823 , G03G9/107 , G03G9/1131 , G03G9/1135 , G03G9/1136 , G03G9/1137 , G03G9/1139 , G03G15/20
摘要： The present invention is to provide a carrier and a developer, which have fewer occurrences of carrier adhesion and background smear, excellent granularity and longer durability. The carrier comprises the core material particles having magnetism and resin coating layer covering the core material particles, and wherein the weight average particle diameters is in the range of 22 m to 32 m, the proportion of the weight average particle diameters relative to the number average particle diameter is in the range of 1.00 to 1.20, the content of particles having a diameter of 20 m or smaller is 7% by mass, the content of carrier particles having a diameter of 36 m or smaller is in the range of 90% by mass to 100% by mass, and the proportion of the particle density of the core material particles is in the range of 85% to 100% of the true density of the core material particles.
摘要翻译：本发明提供一种载体和显影剂，其具有较少的载体粘附和背景涂片的出现，优异的粒度和更长的耐久性。载体包括具有覆盖芯材颗粒的磁性和树脂涂层的芯材颗粒，并且其中重均粒径在22μm至32μm的范围内，重均粒径相对于数均分子的比例粒径在1.00〜1.20的范围内，直径20μm以下的粒子的含量为7质量％，直径为36μm以下的载体粒子的含量为90％以下质量至100质量％，芯材颗粒的颗粒密度的比例在芯材颗粒的真密度的85％至100％的范围内。

38. 发明授权

US08481239B2 Carrier for two-component developer 有权
标题翻译：双组分显影剂载体
公开(公告)号：US08481239B2
公开(公告)日：2013-07-09
申请号：US12896276
申请日：2010-10-01
申请人： Hisashi Nakajima , Kimitoshi Yamaguchi , Minoru Masuda , Yutaka Takahashi , Koichi Sakata , Hitoshi Iwatsuki , Saori Yamada , Toyoaki Tano
发明人： Hisashi Nakajima , Kimitoshi Yamaguchi , Minoru Masuda , Yutaka Takahashi , Koichi Sakata , Hitoshi Iwatsuki , Saori Yamada , Toyoaki Tano
IPC分类号： G03G9/00
CPC分类号： G03G15/08 , G03G9/10 , G03G9/107 , G03G9/1075 , G03G9/113 , G03G9/1133 , G03G9/1136 , G03G9/1137 , G03G2215/0602
摘要： A carrier, including a magnetic particulate core material and a resin layer on the core material, wherein the resin layer includes a resin obtained by heat treatment of a copolymer including a site derived from a monomer component having the following formula (1) and a site derived from a monomer component having the following formula (2), and includes a cross-linked material obtained by hydrolysis of the copolymer to produce a silanol group and condensation using an organotitanium compound: wherein R1 represents a hydrogen atom or a methyl group; m represents an alkylene group having 1 to 8 carbon atoms; R2 represents an alkyl group having 1 to 4 carbon atoms; R3 represents an alkyl group having 1 to 8 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms; X represents 10 to 90 mol %; and Y represents 10 to 90 mol %.
摘要翻译：一种载体，其包括磁性颗粒芯材料和芯材上的树脂层，其中树脂层包括通过热处理包含具有下式（1）的单体组分的位点的共聚物和通过衍生自具有下式（2）的单体组分，并且包括通过使共聚物水解制备硅烷醇基团并使用有机钛化合物缩合获得的交联材料：其中R1表示氢原子或甲基; m表示碳原子数1〜8的亚烷基。 R2表示碳原子数1〜4的烷基， R3表示碳原子数1〜8的烷基或碳原子数1〜4的烷氧基。 X表示10〜90摩尔％。 Y表示10〜90摩尔％。

39. 发明申请

US20130101930A1 CARRIER FOR ELECTROSTATIC LATENT IMAGE DEVELOPER, ELECTROSTATIC LATENT IMAGE DEVELOPER FORMED OF CARRIER AND TONER, AND PROCESS CARTRIDGE USING THE DEVELOPER 有权
标题翻译：用于静电图像发生器的载体，形成载体和调色剂的静电图像开发者以及使用开发者的工艺盒
公开(公告)号：US20130101930A1
公开(公告)日：2013-04-25
申请号：US13648540
申请日：2012-10-10
申请人： Kimitoshi Yamaguchi , Shigenori Yaguchi , Toyoshi Sawada , Hiroshi Tohmatsu , Hitoshi Iwatsuki , Toyoaki Tano
发明人： Kimitoshi Yamaguchi , Shigenori Yaguchi , Toyoshi Sawada , Hiroshi Tohmatsu , Hitoshi Iwatsuki , Toyoaki Tano
IPC分类号： G03G9/00 , G03G15/08
CPC分类号： G03G9/0819 , G03G9/0823 , G03G9/107 , G03G9/1075 , G03G9/1131 , G03G9/1139
摘要： A carrier for developing an electrostatic latent image, including a particulate core material having a magnetism having developed spontaneous magnetization; and a covering layer comprising an electroconductive material, covering the surface of the particulate core material, wherein the carrier has an electrical resistivity Log R [Ωcm] of from 8.0 to 12.0 when measured by a method, including filling the carrier in a cell containing a pair of facing electrodes, each having a surface area of 2×4 [cm2] with a gap of 2 [mm] therebetween; and applying a DC voltage of 1,000 [V] therebetween to measure a DC resistivity, and a weight-average particle diameter (Dw) of from 25 to 45
摘要翻译：用于显影静电潜像的载体，包括具有显影自发磁化的磁性的颗粒状芯材料; 以及包括导电材料的覆盖层，覆盖颗粒芯材料的表面，其中当通过一种方法测量时，载体的电阻率Log RΩ= 8.0至12.0，包括将载体填充在含有一对面对电极，各自具有2×4 [cm 2]的表面积，间隙为2 [mm]; 在其间施加1000 [V]的直流电压，测定直流电阻率，重均粒径（Dw）为25〜45

40. 发明申请

US20120064451A1 CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, AND TWO-COMPONENT DEVELOPER, SUPPLEMENTAL DEVELOPER, IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING METHOD USING THE CARRIER 有权
标题翻译：用于开发静电影像的载体和两组分开发者，补充开发者，图像形成装置，工艺盒和使用载体的图像形成方法
公开(公告)号：US20120064451A1
公开(公告)日：2012-03-15
申请号：US13226219
申请日：2011-09-06
申请人： Hiroyuki Kishida , Shigenori Yaguchi , Kimitoshi Yamaguchi , Toyoshi Sawada , Hiroshi Tohmatsu , Koichi Sakata , Hitoshi Iwatsuki , Toyoaki Tano , Mariko Takii
发明人： Hiroyuki Kishida , Shigenori Yaguchi , Kimitoshi Yamaguchi , Toyoshi Sawada , Hiroshi Tohmatsu , Koichi Sakata , Hitoshi Iwatsuki , Toyoaki Tano , Mariko Takii
IPC分类号： G03G9/00 , G03G21/16 , G03G15/08
CPC分类号： G03G15/08 , G03G9/1075 , G03G9/1131 , G03G9/1133 , G03G9/1139 , G03G2215/0607
摘要： A carrier comprising a magnetic core particle having a shape factor SF-2 of 130 to 160 and a resin layer covering a surface of the magnetic core particle. The resin layer comprises a conductive particle and a resin obtained by heating a copolymer comprising a silicon-containing A unit and another silicon-containing B unit having.
摘要翻译：一种载体，其包含具有130至160的形状系数SF-2的磁芯颗粒和覆盖该磁芯颗粒的表面的树脂层。树脂层包括导电颗粒和通过加热包含含硅A单元和另一含硅B单元的共聚物而获得的树脂。

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