公开(公告)号：US06730448B2

公开(公告)日：2004-05-04

申请号：US10227447

申请日：2002-08-26

申请人： Susumu Yoshino ,  Koutarou Yoshihara ,  Masahiko Hodumi

发明人： Susumu Yoshino ,  Koutarou Yoshihara ,  Masahiko Hodumi

IPC分类号： G03G1504

CPC分类号： G03G5/075 ,  G03G5/0507 ,  G03G5/051 ,  G03G5/0578 ,  G03G5/0589 ,  G03G5/0592 ,  G03G5/0596 ,  G03G5/076 ,  G03G5/078 ,  G03G2215/00957

摘要： An image forming method, a process cartridge, and an image forming apparatus are provided, with which an electrophotographic image that has superior image quality, superior fixing ability and remains good even in a hot and humid environment is obtainable. The image forming method includes: developing, with a developing agent, an electrostatic latent image formed on a surface of a photoreceptor to form a toner image; transferring the toner image onto an image receiving member to form a transfer image; and fixing the transferred image onto the image receiving member to form an image, wherein the photoreceptor includes a layer that contains a siloxane compound having charge-transferability and a crosslinking structure, with a compound having acid-adsorbing ability being supplied to the surface of the photoreceptor. The process cartridge and the image forming apparatus are used in the image forming method.

摘要翻译： 提供了一种图像形成方法，处理盒和图像形成装置，其可获得具有优异的图像质量，优异的定影能力并且即使在炎热和潮湿的环境中也保持良好的电子照相图像。 图像形成方法包括：用显影剂显影形成在感光体的表面上的静电潜像以形成调色剂图像; 将调色剂图像转印到图像接收部件上以形成转印图像; 并将转印的图像固定在图像接收部件上以形成图像，其中感光体包括含有具有电荷转移性和交联结构的硅氧烷化合物的层，具有酸吸附能力的化合物被供给到 感光器。 处理盒和图像形成装置用于图像形成方法。

公开(公告)号：US06878498B2

公开(公告)日：2005-04-12

申请号：US10607172

申请日：2003-06-27

申请人： Susumu Yoshino ,  Koutarou Yoshihara ,  Masanobu Ninomiya

发明人： Susumu Yoshino ,  Koutarou Yoshihara ,  Masanobu Ninomiya

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/097 ,  G03G9/113 ,  G03G13/01 ,  G03G9/00

CPC分类号： G03G9/0821 ,  G03G9/0804 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09708 ,  G03G13/013

摘要： An electrostatic latent image developing dry toner and the like are provided, in which toner remaining after transfer can be recovered during developing with or without having a blade cleaning stage for promoting friction of an electrostatic latent image holding member. The electrostatic latent image developing toner contains toner particles containing a binder resin and a colorant and monodisperse resin particles having a volume mean diameter of 80 to 300 nm, a gel ratio of 60% or more by weight, and a standard deviation of D50×0.20 or less. A method of producing the above toner first mixes monodisperse resin particles, which have a volume mean diameter of 80 to 300 nm, a gel ratio of 60% or more by weight, and a standard deviation of D50×0.20 or less, with toner particles containing a binder resin and a colorant, and adds an inorganic compound having a diameter smaller than that of the resin particles with a shear lower than the first mixing.

摘要翻译： 提供了静电潜像显影干燥调色剂等，其中转印后残留的调色剂可以在具有或不具有用于促进静电潜像保持部件的摩擦的刮板清洁阶段的显影期间被回收。 静电潜影显影调色剂含有含有粘合剂树脂和着色剂的调色剂颗粒和体积平均直径为80至300nm，凝胶比为60重量％或更多的单分散树脂颗粒，标准偏差为D50x0.20 或更少。 制造上述调色剂的方法首先将体积平均直径为80〜300nm，凝胶比为60重量％以上，标准偏差为D50×0.20以下的单分散树脂颗粒与调色剂颗粒 含有粘合剂树脂和着色剂，并且以比第一次混合低的剪切加入直径小于树脂颗粒直径的无机化合物。

公开(公告)号：US06617088B2

公开(公告)日：2003-09-09

申请号：US09859498

申请日：2001-05-18

申请人： Akihiro Iizuka ,  Susumu Yoshino ,  Koutarou Yoshihara ,  Tetsuya Taguchi

发明人： Akihiro Iizuka ,  Susumu Yoshino ,  Koutarou Yoshihara ,  Tetsuya Taguchi

IPC分类号： G03G908

CPC分类号： G03G9/09708 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/08782 ,  G03G9/09716 ,  G03G9/1075 ,  G03G9/113 ,  G03G9/1135 ,  G03G9/1137 ,  G03G9/1138 ,  G03G9/1139

摘要： A developer for a trickle developing method is used in formation of a full color image and is made of a mixture of a toner and a carrier. The toner contains inorganic fine particles as an internal additive and an external additive, a volume average particle diameter D50v of the toner is between 5.0 and 9.0 &mgr;m, a true specific gravity of the carrier is between 3.00 and 4.60, a volume average particle diameter of the carrier is between 15 and 60 &mgr;m, and the ratio of the volume average particle diameter of the carrier to the volume average particle diameter of the toner is between 3.00 and 7.00, and an image forming method using the developer. The developer for the trickle developing method prevents the embedding of the external additive in the toner by suppressing impact energy given by stirring the carrier and the toner in a developing device and a replenishment device of the developer, and has a resistance to toner degradation, an excellent transferability, a resistance to carrier contamination and a stable chargeability.

公开(公告)号：US06379857B1

公开(公告)日：2002-04-30

申请号：US09707932

申请日：2000-11-08

申请人： Tetsuya Taguchi ,  Akihiro Iizuka ,  Koutarou Yoshihara ,  Susumu Yoshino ,  Haruhide Ishida ,  Rieko Kataoka

发明人： Tetsuya Taguchi ,  Akihiro Iizuka ,  Koutarou Yoshihara ,  Susumu Yoshino ,  Haruhide Ishida ,  Rieko Kataoka

IPC分类号： G03G1314

CPC分类号： G03G9/0823 ,  G03G13/013 ,  G03G2215/0609

摘要： Provided is a method for image formation capable of stably outputting high-quality images with no image density unevenness for a long period of time, in which the images formed are free from image defects of edge deletions and other deletions therein and which ensures good and uniform developability everywhere in the latent image region to be developed with preventing the latent image support used from being degraded. The method includes a step of forming a latent image on a latent image support, a step of developing the latent image on the latent image support with a two-component developer on a developer support disposed to face the latent image support, and a step of transferring the thus-developed toner image onto a transfer medium, wherein the developer support is a cylindrical sleeve having a diameter of at most 20 mm or the latent image support is a cylindrical sleeve having a diameter of at most 40 mm, and the resistance of the two-component developer is at least 1013&OHgr; in an electric field of 2 V/&mgr;m.

摘要翻译： 本发明提供一种图像形成方法，其能够稳定地输出长时间没有图像浓度不均匀的高质量图像，其中所形成的图像没有边缘缺失的图像缺陷和其他缺失，并且确保良好和均匀 在潜像图像区域中随处可见的显影性能可以防止所使用的潜像支持物降解。 该方法包括在潜像载体上形成潜像的步骤，用设置在与潜像载体相对的显影剂载体上的双组分显影剂将潜影载体上的潜像显影的步骤，以及步骤 将如此显影的调色剂图像转印到转印介质上，其中显影剂载体是直径至多为20mm的圆柱形套筒，或​​潜像载体为直径至多为40mm的圆柱形套筒， 双组分显影剂在2V / m 2的电场中为至少1013OMEGA。

公开(公告)号：US06677093B2

公开(公告)日：2004-01-13

申请号：US09941560

申请日：2001-08-30

申请人： Susumu Yoshino ,  Tetsuya Taguchi ,  Koutarou Yoshihara

发明人： Susumu Yoshino ,  Tetsuya Taguchi ,  Koutarou Yoshihara

IPC分类号： G03G9083

CPC分类号： G03G9/0902 ,  G03G9/09 ,  G03G9/0926 ,  G03G9/09708

摘要： An electrophotographic black toner comprising a colorant and a binder resin, wherein the toner has a metal oxide as the colorant of 20% by weight or less, said metal oxide having magnetization of 40 emu/g or smaller, and said toner has color coordinates such that L* has a value of 10 to 25, a* has a value of −3.0 to 3.0, and b* has a value of −3.0 to 3.0 as determined by a fixed image formed with the toner, as well as an electrophotographic developer and an image forming method using said electrophotographic black toner are provided. According to the present invention, the electrophotographic black toner having a high volume-specific resistance value, achieving a sufficient degree of blackness, less likely to cause high background and providing a high quality image can be obtained.

摘要翻译： 一种包含着色剂和粘合剂树脂的电子照相黑调色剂，其中所述调色剂具有20重量％以下的着色剂的金属氧化物，所述金属氧化物的磁化强度为40emu / g以下，所述调色剂具有如下颜色坐标： L *的值为10〜25，a *为-3.0〜3.0，b *为通过由调色剂形成的固定图像确定的-3.0〜3.0的值，以及电子照相显影剂 并提供使用所述电子照相黑调色剂的图像形成方法。 根据本发明，可以获得具有高体积电阻率值，实现足够的黑度，不太可能导致高背景和提供高质量图像的电子照相黑调色剂。

公开(公告)号：US06383704B1

公开(公告)日：2002-05-07

申请号：US09723241

申请日：2000-11-28

申请人： Rieko Kataoka ,  Susumu Yoshino ,  Akihiro Iizuka ,  Koutarou Yoshihara ,  Haruhide Ishida ,  Tetsuya Taguchi ,  Fumiaki Mera ,  Hiroshi Takano ,  Yasuhiro Oya ,  Michio Take

发明人： Rieko Kataoka ,  Susumu Yoshino ,  Akihiro Iizuka ,  Koutarou Yoshihara ,  Haruhide Ishida ,  Tetsuya Taguchi ,  Fumiaki Mera ,  Hiroshi Takano ,  Yasuhiro Oya ,  Michio Take

IPC分类号： G03G910

CPC分类号： G03G9/1075 ,  G03G9/08782 ,  G03G9/09708 ,  G03G9/09716

摘要： A full color electrophotographic toner including toner particles containing at least a binder resin, a colorant and a wax, and external additives, at least one of the external additives being rutile titanium oxide having a volume resistivity of 1×1014 to 1×1018 &OHgr;cm, and a dispersion absolute deviation a of rutile titanium oxide being 0.17 or less, and a full color electrophotographic developer and an image forming method using the same are provided. In the full color electrophotographic toner, the full color electrophotographic developer and the image forming method of the invention, a retransfer phenomenon of the transferred toner can be prevented, a chargeability and a transferability are not problematic at all, a charging amount of the toner in long-term use can be rendered appropriate and stable, and a fluidity is also excellent.

摘要翻译： 包含至少含有粘合剂树脂，着色剂和蜡的调色剂颗粒和外部添加剂的全色电子照相调色剂，至少一种外部添加剂是体积电阻率为1×10 14至1×10 18 OMEGA cm的金红石型氧化钛，以及分散绝对 金红石型氧化钛的偏差为0.17以下，全色电子照相显影剂和使用其的图像形成方法。 在全色电子照相调色剂，全色电子照相显影剂和本发明的成像方法中，可以防止转印的调色剂的再转印现象，带电性和转印性完全没有问题，调色剂的带电量 长期使用可以适当和稳定，流动性也很好。

公开(公告)号：US06203958B1

公开(公告)日：2001-03-20

申请号：US09519473

申请日：2000-03-06

申请人： Yasuhiro Oya ,  Susumu Yoshino ,  Masanobu Ninomiya ,  Hirokazu Hamano ,  Kaori Oishi ,  Tetsuya Taguchi ,  Koutarou Yoshihara

发明人： Yasuhiro Oya ,  Susumu Yoshino ,  Masanobu Ninomiya ,  Hirokazu Hamano ,  Kaori Oishi ,  Tetsuya Taguchi ,  Koutarou Yoshihara

IPC分类号： G03G9097

CPC分类号： G03G9/08782 ,  G03G9/08795

摘要： Provided is a toner having good offset resistance and capable of giving non-glaring, high-quality images with high OHP transparency, and a method of image formation with it. The toner includes at least a binder resin, a colorant and a wax. The THF soluble component of the toner, as analyzed through gel permeation chromatography, has a number-average molecular weight falling between 2500 and 5500, a weight-average molecular weight falling between 13000 and 25000, and a peak molecular weight falling between 5000 and 15000, and contains a fraction having a molecular weight of at least 105 in a ratio of at most 10% by weight of the component and a fraction having a molecular weight of at least 104 in a ratio of from 30 to 70% by weight of the component, and the wax in the toner has a DSC endothermic peak falling between 50 and 120° C.

摘要翻译： 提供了具有良好抗偏移性并且能够提供具有高OHP透明度的非眩光，高质量图像的调色剂以及与其形成图像的方法。 调色剂至少包括粘合剂树脂，着色剂和蜡。 通过凝胶渗透色谱法分析的调色剂的THF可溶成分的数均分子量为2500〜5500，重均分子量在13000〜25000之间，峰分子量为5000〜15000 ，并且包含分子量至少为105的级分，其比例为组分重量的至多10％，分子量为至少为104的分数为30至70重量％ 组分，并且调色剂中的蜡具有落在50和120℃之间的DSC吸热峰。

公开(公告)号：US06187489B1

公开(公告)日：2001-02-13

申请号：US09514635

申请日：2000-02-29

申请人： Kaori Oishi ,  Susumu Yoshino ,  Yasuhiro Oya ,  Hirokazu Hamano ,  Masanobu Ninomiya ,  Tetsuya Taguchi ,  Koutarou Yoshihara

发明人： Kaori Oishi ,  Susumu Yoshino ,  Yasuhiro Oya ,  Hirokazu Hamano ,  Masanobu Ninomiya ,  Tetsuya Taguchi ,  Koutarou Yoshihara

IPC分类号： G03G1301

CPC分类号： G03G9/09725 ,  G03G9/08782 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09733 ,  G03G13/013

摘要： A full-color latent image developing toner composed of toner particles containing a binder resin, a coloring agent, and a surface lubricant, and at least one kind of an external additive, wherein the toner contains at least about 3% the surface lubricant, the toner includes irregular-shaped particles of ML2/A≧125, and when the emission voltage caused by the carbon originated in the binder resin of the toner particles is X and the emission voltage caused by the element originated in the external additive is Y, and when the relationship between X(⅔) and Y are primary-regressed to the straight line passing through origin of a coordinate, the correlation factor of the element originated in at least one external additive is not less than 0.4. As the external additive, a titanium compound obtained by reacting TiO(OH)2 prepared by a wet method and a silane compound is preferably used.

摘要翻译： 由包含粘合剂树脂，着色剂和表面润滑剂的调色剂颗粒构成的全色潜像显影调色剂和至少一种外部添加剂，其中调色剂含有至少约3％的表面润滑剂， 调色剂包括ML2 / A> = 125的不规则形状的颗粒，并且当由起源于调色剂颗粒的粘合剂树脂中的碳引起的发射电压为X，并且由外部添加剂产生的元素引起的发射电压为Y时， 并且当X（⅔）和Y之间的关系被初级回归到通过坐标原点的直线时，起源于至少一种外部添加剂的元素的相关系数不小于0.4。 作为外部添加剂，优选使用通过湿法制备的TiO（OH）2和硅烷化合物而得到的钛化合物。

公开(公告)号：US6132915A

公开(公告)日：2000-10-17

申请号：US451515

申请日：1999-11-30

申请人： Susumu Yoshino ,  Yasuhiro Oya ,  Masanobu Ninomiya ,  Hirokazu Hamano ,  Koutarou Yoshihara ,  Kaori Oishi ,  Tetsuya Taguchi ,  Haruhide Ishida

发明人： Susumu Yoshino ,  Yasuhiro Oya ,  Masanobu Ninomiya ,  Hirokazu Hamano ,  Koutarou Yoshihara ,  Kaori Oishi ,  Tetsuya Taguchi ,  Haruhide Ishida

IPC分类号： G03G13/08 ,  G03G9/087 ,  G03G15/08 ,  G03G15/09

CPC分类号： G03G15/0928 ,  G03G15/0818 ,  G03G9/08782

摘要： Provided is an image-forming process including a step of forming an electrostatic latent image on a latent image-carrier and a step of developing the latent image by a developer on a developer-carrier disposed facing the electrostatic latent image-carrier, a developer contains a color toner containing a wax which amount is from 1 to 10% by weight of the toner is used, and the developer-carrier wherein a ten-point average roughness (Rz) of the surface thereof of and the average spacing (Sm) of roughness peaks meet the following formula is used; 5.ltoreq.Rz.times.20.ltoreq.Sm. By the process, the conveying property of the developer is good, staining of the surface of the developer-carrier can be prevented, and images having a high quality and excellent in the fixing property over a long period time is obtained even in the case of using oil-less color toners containing a wax.

摘要翻译： 提供了一种图像形成方法，其包括在潜像载体上形成静电潜像的步骤，以及通过显影剂在与静电潜像载体相对设置的显影剂载体上显影潜像的步骤，显影剂包含 使用含有调色剂重量的1〜10重量％的蜡的彩色调色剂，其表面的十点平均粗糙度（Rz）和平均间隔（Sm）的显影剂载体 粗糙度峰值满足下列公式使用; 5

公开(公告)号：US09182689B2

公开(公告)日：2015-11-10

申请号：US12430623

申请日：2009-04-27

申请人： Satoshi Kamiwaki ,  Susumu Yoshino ,  Masanobu Ninomiya

发明人： Satoshi Kamiwaki ,  Susumu Yoshino ,  Masanobu Ninomiya

IPC分类号： G03G9/00 ,  G03G9/08 ,  G03G8/00 ,  G03G9/087 ,  G03G9/09

CPC分类号： G03G9/0821 ,  G03G8/00 ,  G03G9/08797 ,  G03G9/0926

摘要： An electrostatic image developing toner includes a binder resin; and a pigment having a complementary relationship with a color hue of the binder resin, the pigment being contained in an amount of about 1 ppm or greater but not greater than about 20 ppm.

摘要翻译： 静电图像显影调色剂包括粘合剂树脂; 和与粘合剂树脂的色调具有互补关系的颜料，所述颜料的含量为约1ppm或更高但不大于约20ppm。