公开(公告)号：US20100104965A1

公开(公告)日：2010-04-29

申请号：US12575804

申请日：2009-10-08

申请人： Ryota INOUE ,  Akihiro Kotsugai ,  Toyoshi Sawada ,  Akiyoshi Sabu

发明人： Ryota INOUE ,  Akihiro Kotsugai ,  Toyoshi Sawada ,  Akiyoshi Sabu

IPC分类号： G03G9/087 ,  G03G15/08 ,  G03G9/08 ,  G03G21/18 ,  G03G13/20

CPC分类号： G03G9/08782 ,  G03G9/0819 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09733

摘要： The toner includes a binder resin; a release agent; a colorant; and a dispersing resin configured to disperse the release agent. The dispersing resin includes a polyhydroxycarboxylic acid unit obtained from an optically active monomer. The polyhydroxycarboxylic acid unit has an optical purity of not greater than 80%, wherein the optical purity is defined as the absolute value of difference between the mole percentage of a L-monomer in the optically active monomer and the mole percentage of a D-monomer in the optically active monomer.

摘要翻译： 调色剂包括粘合剂树脂; 脱模剂; 着色剂 以及配置成分散脱模剂的分散树脂。 分散树脂包括由光学活性单体获得的聚羟基羧酸单元。 聚羟基羧酸单元的光学纯度不大于80％，其中光学纯度定义为光学活性单体中L-单体的摩尔百分数与D-单体的摩尔百分比之间的绝对值 在光学活性单体中。

公开(公告)号：US20100330489A1

公开(公告)日：2010-12-30

申请号：US12824688

申请日：2010-06-28

申请人： Ryota INOUE ,  Akihiro Kotsugai ,  Akiyoshi Sabu ,  Shingo Sakashita ,  Yukiko Nakajima ,  Keiko Osaka

发明人： Ryota INOUE ,  Akihiro Kotsugai ,  Akiyoshi Sabu ,  Shingo Sakashita ,  Yukiko Nakajima ,  Keiko Osaka

IPC分类号： G03G13/20 ,  G03G9/08

CPC分类号： G03G9/0806 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08791 ,  G03G9/08797

摘要： An electrostatic image developing toner including a toner particle (C), wherein the toner particle (C) has a structure in which a resin particle (A) containing at least a first resin (a) or a coated film (P) containing the first resin (a) is attached to a surface of a resin-containing particle (B) containing a second resin (b), and wherein the resin (b) includes a polyhydroxycarboxylic acid skeleton, and the resin (a) is a polyester resin containing a polybasic acid and a polyhydric alcohol.

摘要翻译： 一种包含调色剂颗粒（C）的静电图像显影调色剂，其中调色剂颗粒（C）具有其中至少含有第一树脂（a）的树脂颗粒（A）或含有第一 树脂（a）附着到含有第二树脂（b）的含树脂颗粒（B）的表面上，其中树脂（b）包含聚羟基羧酸骨架，树脂（a）是含有 多元酸和多元醇。

公开(公告)号：US20160195826A1

公开(公告)日：2016-07-07

申请号：US14984411

申请日：2015-12-30

申请人： Yoshitsugu KIMURA ,  Ryota INOUE ,  Masana SHIBA ,  Daisuke INOUE ,  Tomoki MURAYAMA ,  Rintaro TAKAHASHI

发明人： Yoshitsugu KIMURA ,  Ryota INOUE ,  Masana SHIBA ,  Daisuke INOUE ,  Tomoki MURAYAMA ,  Rintaro TAKAHASHI

IPC分类号： G03G9/00

CPC分类号： G03G9/08755 ,  G03G9/0821

摘要： A toner including a binder resin and a release agent, wherein the toner has a component soluble in a 50% by mass aqueous methanol solution in an amount of 0.10% by mass to 0.60% by mass, and wherein the toner has a flowing-out beginning temperature (Tfb) of 55.0° C. to 100.0° C. as determined by a flowtester method.

摘要翻译： 一种包含粘合剂树脂和脱模剂的调色剂，其中调色剂具有溶解在50质量％甲醇水溶液中的组分，其量为0.10质量％至0.60质量％，并且其中调色剂具有流出 起始温度（Tfb）为55.0℃至100.0℃，通过流动法测定。

公开(公告)号：US20160266521A1

公开(公告)日：2016-09-15

申请号：US15035786

申请日：2014-12-03

申请人： Ryota INOUE ,  Yoshihiro MORIYA ,  Masahiko ISHIKAWA ,  Satoshi TAKAHASHI ,  Tatsuki YAMAGUCHI

发明人： Ryota INOUE ,  Yoshihiro MORIYA ,  Masahiko ISHIKAWA ,  Satoshi TAKAHASHI ,  Tatsuki YAMAGUCHI

IPC分类号： G03G15/16 ,  G03G9/00 ,  G03G21/00

摘要： A toner including a binder resin and a release agent, wherein the toner has a second peak particle diameter in a range of from 1.21 times through 1.31 times as large as a most frequent diameter in a volume basis particle size distribution, and wherein the toner has a particle size distribution (volume average particle diameter/number average particle diameter) in a range of from 1.08 through 1.15.

摘要翻译： 一种包含粘合剂树脂和脱模剂的调色剂，其中所述调色剂的第二峰值粒径在体积基础粒度分布中最大直径的1.21倍至1.31倍的范围内，并且其中调色剂具有 粒度分布（体积平均粒径/数均粒径）在1.08〜1.15的范围内。

公开(公告)号：US20200301298A1

公开(公告)日：2020-09-24

申请号：US16822078

申请日：2020-03-18

申请人： Ryota INOUE ,  Hiroshi Yamashita ,  Minoru Masuda ,  Yuka Mizoguchi ,  Daichi Hisakuni

发明人： Ryota INOUE ,  Hiroshi Yamashita ,  Minoru Masuda ,  Yuka Mizoguchi ,  Daichi Hisakuni

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

摘要： A toner for developing an electrostatic image is provided. The toner comprises a binder resin and a glitter pigment having an average surface roughness Ra of 100 nm or less.

公开(公告)号：US20080063972A1

公开(公告)日：2008-03-13

申请号：US11853520

申请日：2007-09-11

申请人： Ryota INOUE ,  Chiaki Tanaka ,  Shinichi Kuramoto

发明人： Ryota INOUE ,  Chiaki Tanaka ,  Shinichi Kuramoto

IPC分类号： G03G9/113

CPC分类号： G03G9/1131 ,  G03G9/1136 ,  G03G9/1137 ,  G03G9/1138 ,  G03G9/1139

摘要： To provide (1) a method for manufacturing a carrier, including: dissolving a coating material composed of a plurality of types of materials in a fluid containing at least one of a supercritical fluid and a subcritical fluid; and lowering the solubility of the solution by controlling at least one of pressure and temperature to form a coating layer on a core surface, or (2) a method for manufacturing a carrier, including: dispersing or dissolving a coating material in a fluid containing at least one of a supercritical fluid and a subcritical fluid; and lowering solubility of the solution by controlling at least one of pressure and temperature to form a coating layer on a core surface, wherein the coating material contains at least a silicone resin, and the silicone resin has a weight-average molecular weight (Mw) of 800 to 5,000.

摘要翻译： 提供（1）一种制造载体的方法，包括：将由多种类型的材料组成的涂层材料溶解在含有超临界流体和亚临界流体中的至少一种的流体中; 并且通过控制压力和温度中的至少一个来降低溶液的溶解度，以在芯表面上形成涂层，或者（2）制造载体的方法，包括：将涂料分散或溶解在含有 至少一种超临界流体和亚临界流体; 并通过控制压力和温度中的至少一个来降低溶液的溶解度，以在芯表面上形成涂层，其中涂层材料至少含有有机硅树脂，硅树脂具有重均分子量（Mw） 800至5,000。

公开(公告)号：US20200285167A1

公开(公告)日：2020-09-10

申请号：US16793039

申请日：2020-02-18

申请人： Yuka MIZOGUCHI ,  Ryota INOUE ,  Hiroshi YAMASHITA ,  Minoru MASUDA ,  Daichi HISAKUNI ,  Tomomi HARASHIMA

发明人： Yuka MIZOGUCHI ,  Ryota INOUE ,  Hiroshi YAMASHITA ,  Minoru MASUDA ,  Daichi HISAKUNI ,  Tomomi HARASHIMA

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

摘要： A toner including: a plate-shaped pigment containing a metal as a main component; and a binder resin containing polyester resin (A) that is insoluble in THF, wherein: a weight average molecular weight (Mw) of a tetrahydrofuran (THF)-soluble component of the toner as determined by gel permeation chromatography (GPC) is 5,000 or higher but 14,000 or lower; and a glass transition temperature (Tg) of a THF-insoluble component of the toner as determined from a differential scanning colorimetry (DSC) curve at first heating in DSC is −60° C. or higher but 10° C. or lower.

公开(公告)号：US20200089140A1

公开(公告)日：2020-03-19

申请号：US16569279

申请日：2019-09-12

申请人： Minoru MASUDA ,  Hiroshi YAMASHITA ,  Ryota INOUE ,  Yuka MIZOGUCHI ,  Daichi HISAKUNI ,  Tomomi HARASHIMA

发明人： Minoru MASUDA ,  Hiroshi YAMASHITA ,  Ryota INOUE ,  Yuka MIZOGUCHI ,  Daichi HISAKUNI ,  Tomomi HARASHIMA

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

摘要： An image forming apparatus is provided that includes: first and second electrostatic latent image bearers; first and second electrostatic latent image forming devices; first and second developing devices configured to develop first and second electrostatic latent images with a colored toner and a special-color toner to form a colored toner image and a special-color toner image, respectively; a primary transfer device configured to transfer the colored toner image and the special-color toner image onto an intermediate image bearer in an overlapping manner to form a composite toner image; a secondary transfer device configured to transfer the composite toner image onto a recording medium; and a fixing device configured to fix the composite toner image thereon. The special-color toner comprises plate-like and/or film-like pigments. An absolute difference in volume resistivity between the special-color toner and the colored toner is 0.30 log Ω cm or less.

公开(公告)号：US20180267417A1

公开(公告)日：2018-09-20

申请号：US15904551

申请日：2018-02-26

申请人： Yuka MIZOGUCHI ,  Hiroshi YAMASHITA ,  Ryota INOUE ,  Taichi NEMOTO ,  Shizuka HASHIDA

发明人： Yuka MIZOGUCHI ,  Hiroshi YAMASHITA ,  Ryota INOUE ,  Taichi NEMOTO ,  Shizuka HASHIDA

IPC分类号： G03G9/087 ,  G03G9/08

摘要： Provided is a toner including at least: a non-crystalline polyester resin; and a crystalline polyester resin, wherein when a cross-section of the toner is observed, the crystalline polyester resin has a maximum length of 100 nm or greater but less than 500 nm, and a ratio Dv/Dn of a volume average diameter Dv of the crystalline polyester resin to a number average diameter Dn of the crystalline polyester resin is less than 1.20.

公开(公告)号：US20180052403A1

公开(公告)日：2018-02-22

申请号：US15541053

申请日：2016-01-05

申请人： Daisuke INOUE ,  Naohiro WATANABE ,  Ryota INOUE ,  Masana SHIBA ,  Junichi AWAMURA ,  Shingo SAKASHITA ,  Tomoki MURAYAMA ,  Yoshitsugu KIMURA ,  Rintaro TAKAHASHI ,  Akio TAKEI

发明人： Daisuke INOUE ,  Naohiro WATANABE ,  Ryota INOUE ,  Masana SHIBA ,  Junichi AWAMURA ,  Shingo SAKASHITA ,  Tomoki MURAYAMA ,  Yoshitsugu KIMURA ,  Rintaro TAKAHASHI ,  Akio TAKEI

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

CPC分类号： G03G9/0821 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09392

摘要： A toner comprising a binder resin and a release agent, wherein the toner has a difference of 30 or less between a maximum value and a minimum value among peak intensities in a range of Molecular weight M±300 where Molecular weight M is a molecular weight selected from a range of from 300 through 5,000 in a molecular weight distribution of tetrahydrofuran (THF)-soluble components in the toner as measured by gel permeation chromatography (GPC), and wherein the peak intensities are defined as relative values assuming a maximum peak value in molecular weights of 20,000 or less is 100, in a molecular weight distribution curve taking an intensity as a vertical axis and a molecular weight as a horizontal axis as measured by GPC.