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1. 发明授权

US10234783B2 Carrier, developer, image forming apparatus, developer stored unit, and image forming method 有权
公开(公告)号：US10234783B2
公开(公告)日：2019-03-19
申请号：US15568947
申请日：2016-04-28
申请人： Koichi Sakata , Tohru Suganuma , Shohichi Sugimoto , Hiroshi Tohmatsu , Hiroyuki Kishida , Kenichi Mashiko , Toyoaki Tano
发明人： Koichi Sakata , Tohru Suganuma , Shohichi Sugimoto , Hiroshi Tohmatsu , Hiroyuki Kishida , Kenichi Mashiko , Toyoaki Tano
IPC分类号： G03G9/113
摘要： A carrier including a resin layer including at least one kind of particles, wherein the at least one kind of the particles are particles of barium sulfate, wherein an amount of Ba detected is 0.3 atomic % or greater in a Ba analysis through X-ray photoelectron spectroscopy (XPS) of the carrier, and wherein circle-equivalent diameters of the particles of the barium sulfate are 400 nm or greater but 900 nm or smaller.

2. 发明授权

US11036156B2 Toner, developer, toner stored unit, image forming apparatus, image forming method, and printed matter producing method 有权
公开(公告)号：US11036156B2
公开(公告)日：2021-06-15
申请号：US16778268
申请日：2020-01-31
申请人： Kohtaroh Ogino , Masayuki Ishii , Masayuki Kakimoto , Shohichi Sugimoto
发明人： Kohtaroh Ogino , Masayuki Ishii , Masayuki Kakimoto , Shohichi Sugimoto
IPC分类号： G03G9/08 , G03G9/097 , G03G15/08 , G03G9/09 , G03G9/087
摘要： A toner is provided which includes: a toner base particle including a binder resin; and an external additive including inorganic particles. A particle size distribution of primary particles of the inorganic particles has a plurality of peaks in the range of from 5 nm through 50 nm. The particle size distribution of the primary particles satisfies all of expressions (1) to (3) below: n1d>n2d (1); 10

3. 发明授权

US5998073A Dry toner for electrophotography 失效
标题翻译：用于电子照相的干粉
公开(公告)号：US5998073A
公开(公告)日：1999-12-07
申请号：US37537
申请日：1998-03-10
申请人： Shinichi Kuramoto , Shohichi Sugimoto
发明人： Shinichi Kuramoto , Shohichi Sugimoto
IPC分类号： G03G9/087
CPC分类号： G03G9/08759 , G03G9/08753 , G03G9/08762
摘要： A dry toner for electrophotography includes a coloring agent, a releasing agent, and a polyol resin having a polyoxy alkylene moiety in a main chain thereof, with a ratio of Mw/Mn of 4 to 10, serving as a binder resin, which is synthesized by allowing an epoxy resin, a dihydric phenol, and an alkylene oxide adduct of a dihydric phenol, or a glycidyl ether thereof to react.
摘要翻译：用于电子照相的干燥调色剂包括着色剂，脱模剂和在其主链中具有聚氧亚烷基部分的多元醇树脂，Mw / Mn为4至10的比例，用作粘合剂树脂，其被合成通过使环氧树脂，二元酚和二元酚或其缩水甘油醚的烯化氧加合物反应。

4. 发明授权

US06432590B1 Electrophotographic toner and image forming method using the toner 有权
标题翻译：使用调色剂的电子照相调色剂和成像方法
公开(公告)号：US06432590B1
公开(公告)日：2002-08-13
申请号：US09709352
申请日：2000-11-13
申请人： Hideyuki Ueda , Shohichi Sugimoto , Satoru Miyamoto , Osamu Uchinokura , Kumi Hasegawa , Tamotsu Kajihara , Yoshihiro Suguro , Noboru Kuroda
发明人： Hideyuki Ueda , Shohichi Sugimoto , Satoru Miyamoto , Osamu Uchinokura , Kumi Hasegawa , Tamotsu Kajihara , Yoshihiro Suguro , Noboru Kuroda
IPC分类号： G03G900
CPC分类号： G03G13/013 , G03G9/0825 , G03G9/08797 , G03G9/097 , G03G2215/0174
摘要： A toner including toner particles including at least a binder resin having a first melting point and a first solubility parameter, a colorant and a particulate release agent having a second melting point lower than the first melting point and a second solubility parameter different from the first solubility parameter, wherein the particulate release agent dispersed in the toner particles has an average needle-shape degree LD/SD of not less than 1.6, where LD is a diameter of a particle of the release agent dispersed in the toner in a major axis direction thereof and SD is a diameter of the particle in a minor axis direction.
摘要翻译：一种调色剂，包括至少包含具有第一熔点和第一溶解度参数的粘合剂树脂的调色剂颗粒，着色剂和具有低于第一熔点的第二熔点的着色剂和颗粒脱模剂，以及不同于第一溶解度的第二溶解度参数参数，其中分散在调色剂颗粒中的颗粒状脱模剂的平均针状度LD / SD不小于1.6，其中LD是在其长轴方向上分散在调色剂中的脱模剂颗粒的直径 SD是短轴方向的粒子的直径。

5. 发明授权

US06274282B1 Full-color electrophotographic image formation method, color toners for use in the same, and color image formed by use of the color toners 有权
标题翻译：全色电子照相图像形成方法，用于其的彩色调色剂和使用彩色调色剂形成的彩色图像
公开(公告)号：US06274282B1
公开(公告)日：2001-08-14
申请号：US09495313
申请日：2000-02-01
申请人： Shohichi Sugimoto , Shinichi Kuramoto
发明人： Shohichi Sugimoto , Shinichi Kuramoto
IPC分类号： G03G9087
CPC分类号： G03G13/013
摘要： An image formation method for forming a full-color image includes the step of superimposing four yellow, magenta, cyan and black toner images which are respectively obtained by developing four latent electrostatic images, which respectively correspond to the four yellow, magenta, cyan and black toner images, with a yellow toner, a magenta toner, a cyan toner and a black toner, wherein a gradient aY of a yellow glossiness per unit amount of the yellow toner (mg/cm2) deposited on a transfer sheet, a gradient aM of a magenta glossiness per unit amount of the magenta toner (mg/cm2) deposited on the transfer sheet, and a gradient aC of a cyan glossiness per unit amount of the cyan toner (mg/cm2) deposited on the transfer sheet are in a range of 0.8 a to 1.2 a, and a gradient aBk of a black glossiness per unit amount of the black toner (mg/cm2) deposited on the transfer sheet is in a range of 0.4 a to 0.7 a, in which a=(aY+aM+aC)/3.
摘要翻译：用于形成全色图像的图像形成方法包括叠加分别通过显影四个静电潜像而获得的四个黄色，品红色，青色和黑色调色剂图像的步骤，其分别对应于四个黄色，品红色，青色和黑色调色剂图像，黄色调色剂，品红色调色剂，青色调色剂和黑色调色剂，其中沉积在转印纸上的每单位黄色调色剂的黄色光泽度（mg / cm 2）的梯度aY，沉积在转印纸上的每单位量的品红色调色剂（mg / cm 2）的品红色光泽度和沉积在转印纸上的每单位量的青色调色剂的青色光泽度（mg / cm 2）的梯度aC在一定范围内为0.8〜1.2μm，沉积在转印片上的每单位黑色调色剂的黑色光泽度（mg / cm 2）的梯度aBb为0.4〜0.7μm的范围，其中a =（aY + aM + aC）/ 3。

6. 发明授权

US06268098B1 Full-color electrophotographic image formation method, color toners for use in the same, and color image formed by use of the color toners 失效
公开(公告)号：US06268098B1
公开(公告)日：2001-07-31
申请号：US09048898
申请日：1998-03-27
申请人： Shohichi Sugimoto , Shinichi Kuramoto
发明人： Shohichi Sugimoto , Shinichi Kuramoto
IPC分类号： G03G9087
CPC分类号： G03G13/013
摘要： An image formation method for forming a full-color image includes the step of superimposing four yellow, magenta, cyan and black toner images which are respectively obtained by developing four latent electrostatic images, which respectively correspond to the four yellow, magenta, cyan and black toner images, with a yellow toner, a magenta toner, a cyan toner and a black toner, wherein a gradient aY of a yellow glossiness per unit amount of the yellow toner (mg/cm2) deposited on a transfer sheet, a gradient aM of a magenta glossiness per unit amount of the magenta toner (mg/cm2) deposited on the transfer sheet, and a gradient aC of a cyan glossiness per unit amount of the cyan toner (mg/cm2) deposited on the transfer sheet are in a range of 0.8 a to 1.2 a, and a gradient aBk of a black glossiness per unit amount of the black toner (mg/cm2) deposited on the transfer sheet is in a range of 0.4 a to 0.7 a, in which a=(aY+aM+aC)/3.

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