公开(公告)号：US20130344427A1

公开(公告)日：2013-12-26

申请号：US14003931

申请日：2012-03-09

申请人： Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki ,  Masayuki Hagi ,  Hidekazu Shono ,  Manabu Hamada ,  Tetsushi Sakuma

发明人： Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki ,  Masayuki Hagi ,  Hidekazu Shono ,  Manabu Hamada ,  Tetsushi Sakuma

IPC分类号： G03G9/00 ,  G03G15/08

CPC分类号： G03G9/0827 ,  G03G9/09716 ,  G03G9/09725 ,  G03G21/0029

摘要： To provide a toner, which contains a binder resin, a colorant, and a silicone oil-treated external additive, wherein the silicone oil-treated external additive contains free silicone oil, and a total amount of the free silicone oil is 0.2% by mass to 0.5% by mass relative to the toner, and wherein the toner has the average circularity of 0.96 to 1.

摘要翻译： 为了提供含有粘合剂树脂，着色剂和硅油处理的外部添加剂的调色剂，其中硅油处理的外部添加剂含有游离的硅油，游离硅油的总量为0.2质量％ 〜0.5质量％，其中调色剂的平均圆形度为0.96〜1。

公开(公告)号：US08440380B2

公开(公告)日：2013-05-14

申请号：US12960953

申请日：2010-12-06

申请人： Atsushi Yamamoto ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki ,  Masayuki Hagi

发明人： Atsushi Yamamoto ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki ,  Masayuki Hagi

IPC分类号： G03G9/093

CPC分类号： G03G9/09321 ,  G03G9/0804 ,  G03G9/08708 ,  G03G9/08755 ,  G03G9/08797 ,  G03G9/09371 ,  G03G9/09392

摘要： A toner containing core particles each containing at least a resin A having a polyester skeleton and a colorant; and vinyl resin fine particles each of which encapsulates a resin B having at least a polyester skeleton and an endothermic peak measured by differential scanning calorimeter (DSC) at 40° C. to 110° C., wherein the vinyl resin fine particles are attached onto each of the core particles.

摘要翻译： 含有至少具有聚酯骨架的树脂A和着色剂的芯颗粒的调色剂; 和乙烯基树脂微粒，其各自包含至少具有聚酯骨架的树脂B和通过差示扫描量热计（DSC）在40℃至110℃测量的吸热峰，其中乙烯基树脂细颗粒附着到 每个核心颗粒。

公开(公告)号：US20110164901A1

公开(公告)日：2011-07-07

申请号：US12960953

申请日：2010-12-06

申请人： Atsushi YAMAMOTO ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki ,  Masayuki Hagi

发明人： Atsushi YAMAMOTO ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki ,  Masayuki Hagi

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

CPC分类号： G03G9/09321 ,  G03G9/0804 ,  G03G9/08708 ,  G03G9/08755 ,  G03G9/08797 ,  G03G9/09371 ,  G03G9/09392

摘要： A toner containing core particles each containing at least a resin A having a polyester skeleton and a colorant; and vinyl resin fine particles each of which encapsulates a resin B having at least a polyester skeleton and an endothermic peak measured by differential scanning calorimeter (DSC) at 40° C. to 110° C., wherein the vinyl resin fine particles are attached onto each of the core particles.

摘要翻译： 含有至少具有聚酯骨架的树脂A和着色剂的芯颗粒的调色剂; 和乙烯基树脂微粒，其各自包含至少具有聚酯骨架的树脂B和通过差示扫描量热计（DSC）在40℃至110℃测量的吸热峰，其中乙烯基树脂细颗粒附着到 每个核心颗粒。

公开(公告)号：US09360824B2

公开(公告)日：2016-06-07

申请号：US14791658

申请日：2015-07-06

申请人： Tomohiro Fukao ,  Tsuyoshi Nozaki ,  Yoshihiro Mikuriya ,  Yoshimichi Ishikawa ,  Atsushi Yamamoto ,  Kazuoki Fuwa ,  Tomoharu Miki ,  Naoki Nakatake ,  Takeshi Yamashita ,  Tetsushi Sakuma

发明人： Tomohiro Fukao ,  Tsuyoshi Nozaki ,  Yoshihiro Mikuriya ,  Yoshimichi Ishikawa ,  Atsushi Yamamoto ,  Kazuoki Fuwa ,  Tomoharu Miki ,  Naoki Nakatake ,  Takeshi Yamashita ,  Tetsushi Sakuma

IPC分类号： G03G21/00

CPC分类号： G03G21/0011 ,  G03G21/0017 ,  G03G2215/0132

摘要： An image forming apparatus is provided which includes an image bearer, a charger, an irradiator, a developing device to develop an electrostatic latent image on the image bearer with a toner to form a toner image, a transfer device to transfer the toner image onto a transfer medium, and a cleaner to remove toner particles remaining on the image bearer without being transferred. The toner includes a mother particle including a binder resin and a colorant and one or more external additives. At least one of the external additives includes primary particles having a number average particle diameter in the range of 0.05 to 0.30 μm. The cleaner includes an elastic body blade having a contact part with the image bearer. The contact part has a surface elastic modulus in the range of 15 to 25 N/mm2 and a surface friction coefficient in the range of 0.5 to 0.7.

摘要翻译： 提供一种图像形成装置，其包括图像载体，充电器，照射器，显影装置，用调色剂显影图像载体上的静电潜像以形成调色剂图像;转印装置，用于将调色剂图像转印到 转印介质和清洁剂以除去残留在图像载体上的调色剂颗粒而不被转印。 调色剂包括包含粘合剂树脂和着色剂的母体颗粒和一种或多种外部添加剂。 外部添加剂中的至少一种包括数均粒径为0.05〜0.30μm的一次粒子。 清洁器包括具有与图像承载体的接触部分的弹性体刀片。 接触部的表面弹性模量为15〜25N / mm 2，表面摩擦系数为0.5〜0.7。

公开(公告)号：US09268244B2

公开(公告)日：2016-02-23

申请号：US14113487

申请日：2012-04-25

申请人： Tomohiro Fukao ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomoharu Miki

发明人： Tomohiro Fukao ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomoharu Miki

IPC分类号： G03G9/093 ,  G03G9/08 ,  G03G9/087 ,  G03G9/097

CPC分类号： G03G9/0827 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/08708 ,  G03G9/09307 ,  G03G9/09321 ,  G03G9/09392 ,  G03G9/09716

摘要： An electrostatic image developing toner including: toner base particles each including a binder resin and a colorant; and an external additive, wherein the toner base particles each have protrusions on a surface thereof, an average of lengths of long sides of the protrusions is 0.1 μm or more but less than 0.5 μm, a standard deviation of the lengths of the long sides of the protrusions is 0.2 or less, a coverage rate of the protrusions on the surface of each toner base particle is 10% to 90%, and the external additive includes an external additive (A) which is fine inorganic particles each containing silicone oil.

摘要翻译： 一种静电图像显影调色剂，包括：各自包含粘合剂树脂和着色剂的调色剂基础颗粒; 和外部添加剂，其中调色剂基础颗粒在其表面上各具有突起，突起的长边的平均长度为0.1μm以上且小于0.5μm，长边的长度的标准偏差 突起为0.2以下，各调色剂母粒表面的突起的覆盖率为10％〜90％，外部添加剂为含有硅油的无机微粒的外部添加剂（A）。

公开(公告)号：US20140147784A1

公开(公告)日：2014-05-29

申请号：US14089012

申请日：2013-11-25

申请人： Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Yuta Takeuchi ,  Tomoharu Miki ,  Takayuki Nakamura ,  Naoki Nakatake ,  Yasuhide Matsuno

发明人： Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Yuta Takeuchi ,  Tomoharu Miki ,  Takayuki Nakamura ,  Naoki Nakatake ,  Yasuhide Matsuno

IPC分类号： G03G9/08 ,  G03G15/08

CPC分类号： G03G9/08 ,  G03G9/0827 ,  G03G9/08782 ,  G03G9/09716 ,  G03G9/09725 ,  G03G15/0813

摘要： An image forming apparatus, including: an electrostatic latent image bearing member; an electrostatic latent image forming unit configured to form an electrostatic latent image on the electrostatic latent image bearing member; and a developing unit containing a toner and configured to develop the electrostatic latent image with the toner to thereby form a visible image, wherein the developing unit is a contact type one-component developing unit which includes a toner bearing member being in contact with the electrostatic latent image bearing member, wherein a contact pressure between the electrostatic latent image bearing member and the toner bearing member is 2.0×104 N/m2 to 7.5×104 N/m2, wherein the toner contains a binder resin and a releasing agent, and wherein an extracted amount of the releasing agent extracted with hexane from the toner is 10 mg/g to 25 mg/g.

摘要翻译： 一种图像形成装置，包括：静电潜像承载部件; 静电潜像形成单元，被配置为在静电潜像承载部件上形成静电潜像; 以及显影单元，其包含调色剂并且被配置为利用调色剂显影静电潜像，从而形成可见图像，其中所述显影单元是接触型单组分显影单元，其包括与静电相接触的调色剂承载部件 潜像承载部件，其中所述静电潜像承载部件和所述调色剂承载部件之间的接触压力为2.0×10 4 N / m 2至7.5×10 4 N / m 2，其中所述调色剂含有粘合剂树脂和脱模剂，并且其中 从调色剂中用己烷萃取的脱模剂的提取量为10mg / g至25mg / g。

公开(公告)号：US20140050504A1

公开(公告)日：2014-02-20

申请号：US14113487

申请日：2012-04-25

申请人： Tomohiro Fukao ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomoharu Miki

发明人： Tomohiro Fukao ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomoharu Miki

IPC分类号： G03G9/08

CPC分类号： G03G9/0827 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/08708 ,  G03G9/09307 ,  G03G9/09321 ,  G03G9/09392 ,  G03G9/09716

摘要： An electrostatic image developing toner including: toner base particles each including a binder resin and a colorant; and an external additive, wherein the toner base particles each have protrusions on a surface thereof, an average of lengths of long sides of the protrusions is 0.1 μm or more but less than 0.5 μm, a standard deviation of the lengths of the long sides of the protrusions is 0.2 or less, a coverage rate of the protrusions on the surface of each toner base particle is 10% to 90%, and the external additive includes an external additive (A) which is fine inorganic particles each containing silicone oil.

摘要翻译： 一种静电图像显影调色剂，包括：各自包含粘合剂树脂和着色剂的调色剂基础颗粒; 和外部添加剂，其中调色剂基础颗粒在其表面上各具有突起，突起的长边的平均长度为0.1μm以上且小于0.5μm，长边的长度的标准偏差 突起为0.2以下，各调色剂母粒表面的突起的覆盖率为10〜90％，外部添加剂为含有硅油的无机微粒的外用添加剂（A）。

公开(公告)号：US20110250533A1

公开(公告)日：2011-10-13

申请号：US13084120

申请日：2011-04-11

申请人： Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Atsushi Yamamoto ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki

发明人： Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Atsushi Yamamoto ,  Yoshimichi Ishikawa ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki

IPC分类号： G03G9/00 ,  G03G21/18 ,  G03G15/08

CPC分类号： G03G9/0804 ,  G03G9/0806 ,  G03G9/08704 ,  G03G9/08708 ,  G03G9/08755 ,  G03G9/08764 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797

摘要： To provide a toner for an electrostatic image developer, including: a core particle obtained by dispersing, in an aqueous medium, an oil phase prepared by dissolving or dispersing at least a binder resin, a colorant and a release agent in an organic solvent; and a shell layer formed of vinyl resin fine particles present on a surface of the core particle, wherein the shell layer has protruding portions formed of the vinyl resin fine particles, and wherein the vinyl resin fine particles contain 80% by mass or more of an aromatic compound which has a vinyl-polymerizable functional group, and a vinyl resin which forms the vinyl resin fine particles has a weight average molecular weight of 8,000 to 16,000.

摘要翻译： 为了提供一种用于静电图像显影剂的调色剂，包括：通过在水性介质中分散通过将至少粘合剂树脂，着色剂和脱模剂溶解或分散在有机溶剂中而制备的油相而获得的核心颗粒; 以及存在于芯粒子表面上的乙烯基树脂微粒形成的壳层，其中，所述壳层具有由所述乙烯基树脂微粒形成的突出部，所述乙烯基树脂微粒含有80质量％以上的 具有乙烯基聚合性官能团的芳香族化合物和形成乙烯基树脂微粒的乙烯基树脂的重均分子量为8,000〜16,000。

公开(公告)号：US09709912B2

公开(公告)日：2017-07-18

申请号：US14042993

申请日：2013-10-01

申请人： Kazuoki Fuwa ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Yuta Takeuchi ,  Tomohiro Fukao ,  Tomoharu Miki ,  Takayuki Nakamura

发明人： Kazuoki Fuwa ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Yoshimichi Ishikawa ,  Yuta Takeuchi ,  Tomohiro Fukao ,  Tomoharu Miki ,  Takayuki Nakamura

IPC分类号： G03G9/087 ,  G03G13/08 ,  G03G13/06

CPC分类号： G03G9/08797 ,  G03G9/08755 ,  G03G9/08795 ,  G03G13/06 ,  G03G13/08

摘要： A toner is provided. The toner includes a crystalline resin and a non-crystalline resin, and has a thermal property such that when the toner is heated after being firstly heated to 60° C. followed by cooling in differential scanning calorimetry (DSC), the toner has a clear peak specific to melting of the crystalline resin at a temperature T1, and when the toner is heated after being firstly heated to 80° C. followed by cooling in the differential scanning calorimetry (DSC), the toner does not have a clear peak specific to melting of the crystalline resin at a temperature not higher than the temperature T1.

公开(公告)号：US20140038095A1

公开(公告)日：2014-02-06

申请号：US14112407

申请日：2012-04-25

申请人： Yoshimichi Ishikawa ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki

发明人： Yoshimichi Ishikawa ,  Takuya Kadota ,  Yoshihiro Mikuriya ,  Tsuyoshi Nozaki ,  Kazuoki Fuwa ,  Tomohiro Fukao ,  Tomoharu Miki

IPC分类号： G03G9/00 ,  G03G15/08

CPC分类号： G03G9/0825 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08708 ,  G03G9/09307 ,  G03G9/09321 ,  G03G9/09392 ,  G03G9/09716

摘要： A toner including: toner particles each including a toner base particle and an external additive attached thereon, where the toner base particle includes a binder resin and a colorant, wherein the toner base particles each have protrusions on a surface thereof, an average of lengths of long sides of the protrusions is 0.10 μm or more but less than 0.50 μm, a standard deviation of the lengths of the long sides of the protrusions is 0.2 or less, a coverage rate of the protrusions on the surface of the toner base particle is 10% to 90%, and the external additive includes fine inorganic particles whose surfaces have been treated with an amino group-containing silane coupling agent.

摘要翻译： 一种调色剂，包括：各自包含调色剂基础颗粒和附着在其上的外部添加剂的调色剂颗粒，其中调色剂基础颗粒包含粘合剂树脂和着色剂，其中调色剂基础颗粒在其表面上各具有突起，其平均长度 突起的长边为0.10μm以上且小于0.50μm，突起的长边的长度的标准偏差为0.2以下，调色剂母粒表面的突起的覆盖率为10 ％〜90％，外部添加剂包括表面已经用含氨基的硅烷偶联剂处理的无机微粒。