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公开(公告)号：US11131946B2
公开(公告)日：2021-09-28
申请号：US17000805
申请日：2020-08-24
Applicant: Konica Minolta, Inc.
Inventor： Daisuke Ikeda , Sadaaki Sakamoto , Ito Koga , Shiori Tsugawa
IPC: G03G15/16
Abstract: Provided is an intermediate transfer body comprising a layer containing ferroelectric particles, wherein the ferroelectric particles has an average primary particle diameter in the range of 200 nm or less; and when three-dimensional axes of crystal lattices of the ferroelectric particles are a-axis, b-axis, and c-axis, a ratio of lattice constants of the c-axis and the a-axis (c/a) is in the range of 1.006 or more.
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公开(公告)号：US10025234B2
公开(公告)日：2018-07-17
申请号：US15811202
申请日：2017-11-13
Applicant: Konica Minolta, Inc.
Inventor： Sadaaki Sakamoto , Shiori Tsugawa , Ito Koga
Abstract: An intermediate transfer belt includes an elastic layer having a thickness of 200 to 300 μm, and a surface layer. The intermediate transfer belt has an electrostatic capacity per unit area of 13.5 to 14.5 pF/cm2. The electrostatic capacity has a standard deviation of 200 pF or less.
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公开(公告)号：US09897945B2
公开(公告)日：2018-02-20
申请号：US15265255
申请日：2016-09-14
Applicant: Konica Minolta, Inc.
Inventor： Sadaaki Sakamoto , Takayuki Suzuki , Ito Koga , Eiichi Yoshida
IPC: G03G15/16
CPC classification number: G03G15/162 , G03G2215/0135
Abstract: An intermediate transfer belt includes a base layer, an elastic layer, and a surface layer. The elastic layer is composed of an elastomer composition containing an elastomer and metal oxide particles. At least a portion of a surface of the metal oxide particles is positioned at a surface of the elastic layer. At least the portion is coupling-treated with a metal coupling agent. A radical polymerizable functional group of the metal coupling agent is bonded to a radical polymerizable compound composing the surface layer via radical polymerization.
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公开(公告)号：US20200159145A1
公开(公告)日：2020-05-21
申请号：US16598725
申请日：2019-10-10
Applicant: Konica Minolta, Inc.
Inventor： Shiori Tsugawa , Sadaaki Sakamoto , Shinichi Hamaguchi , Ito Koga
Abstract: An intermediate transfer member that is used for electrophotographic image formation, includes carbon nanotubes and ferroelectric fillers in a base material layer containing a resin material as a principal component.
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5.发明授权Toner for electrostatic image development, two-component developer, and image formation process 有权用于静电图像显影的调色剂，双组分显影剂和图像形成过程公开(公告)号：US09360785B2
公开(公告)日：2016-06-07
申请号：US14283875
申请日：2014-05-21
Applicant: Konica Minolta, Inc.
Inventor： Hitomi Motani , Ito Koga , Tomomi Oshiba , Kishio Tamura
CPC classification number: G03G9/09328 , G03G8/00 , G03G9/0819 , G03G9/08711 , G03G9/08726 , G03G9/08755 , G03G9/08795 , G03G9/08797 , G03G9/09364 , G03G9/09392
Abstract: Disclosed are a toner for electrostatic image development and an image formation process using the same which can achieve high varnish application property and high adhesion of a heat-fixed image to a varnish layer even when the varnish layer is formed on the fixed image formed by an image formation process of an electrophotographic system.The toner for electrostatic image development includes toner particles containing at least a binder resin, a colorant and a parting agent, and the binder resin contains a polyfunctional acrylate-modified polyester resin obtained by modification with a polyfunctional acrylate compound. In the toner for electrostatic image development, it is preferable that the toner particles have a core-shell structure, in which the surface of a core particle is coated with a shell layer, and the polyfunctional acrylate-modified polyester resin is contained in the shell layer.
Abstract translation: 公开了一种用于静电图像显影的调色剂和使用该调色剂的图像形成方法，即使当在由固化图像形成的固定图像上形成清漆层时，其可以实现高清漆施加性能和高固定图像对清漆层的高粘附性 电子照相系统的图像形成过程。 用于静电图像显影的调色剂包括至少含有粘合剂树脂，着色剂和脱模剂的调色剂颗粒，并且粘合剂树脂含有通过多官能丙烯酸酯化合物改性获得的多官能丙烯酸酯改性聚酯树脂。 在用于静电图像显影的调色剂中，优选调色剂颗粒具有芯壳结构，其中芯颗粒的表面涂覆有壳层，并且多官能丙烯酸酯改性聚酯树脂包含在壳中 层。
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Patent Agency Ranking
公开(公告)号：US10656568B1
公开(公告)日：2020-05-19
申请号：US16598725
申请日：2019-10-10
Applicant: Konica Minolta, Inc.
Inventor： Shiori Tsugawa , Sadaaki Sakamoto , Shinichi Hamaguchi , Ito Koga
Abstract: An intermediate transfer member that is used for electrophotographic image formation, includes carbon nanotubes and ferroelectric fillers in a base material layer containing a resin material as a principal component.
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公开(公告)号：US10437168B2
公开(公告)日：2019-10-08
申请号：US16273600
申请日：2019-02-12
Applicant: Konica Minolta, Inc.
Inventor： Ito Koga , Sadaaki Sakamoto , Shiori Tsugawa , Eiichi Yoshida
Abstract: Disclosed is an intermediate transfer belt used for an electrophotographic image-forming apparatus, wherein the intermediate transfer belt contains a substrate layer and a surface layer; the intermediate transfer belt has a relative dielectric constant of 15 or more, and a volume resistivity at an applied voltage of 100 V in the range of 1.0×105 to 9.0×109 Ω·cm under an environment of temperature of 23° C. and humidity of 50% RH; and the surface layer has a relative dielectric constant of 6 or less.
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8.发明申请TONER FOR ELECTROSTATIC IMAGE DEVELOPMENT, TWO-COMPONENT DEVELOPER, AND IMAGE FORMATION PROCESS 有权静电图像发展的调色剂，双组分显影剂和图像形成过程公开(公告)号：US20140349230A1
公开(公告)日：2014-11-27
申请号：US14283875
申请日：2014-05-21
Applicant: Konica Minolta, Inc.
Inventor： Hitomi Motani , Ito Koga , Tomomi Oshiba , Kishio Tamura
CPC classification number: G03G9/09328 , G03G8/00 , G03G9/0819 , G03G9/08711 , G03G9/08726 , G03G9/08755 , G03G9/08795 , G03G9/08797 , G03G9/09364 , G03G9/09392
Abstract: Disclosed are a toner for electrostatic image development and an image formation process using the same which can achieve high varnish application property and high adhesion of a heat-fixed image to a varnish layer even when the varnish layer is formed on the fixed image formed by an image formation process of an electrophotographic system.The toner for electrostatic image development includes toner particles containing at least a binder resin, a colorant and a parting agent, and the binder resin contains a polyfunctional acrylate-modified polyester resin obtained by modification with a polyfunctional acrylate compound. In the toner for electrostatic image development, it is preferable that the toner particles have a core-shell structure, in which the surface of a core particle is coated with a shell layer, and tine polyfunctional acrylate-modified polyester resin is contained in the shell layer.
Abstract translation: 公开了一种用于静电图像显影的调色剂和使用该调色剂的图像形成方法，即使当在由固化图像形成的固定图像上形成清漆层时，其可以实现高清漆施加性能和高固定图像对清漆层的高粘附性 电子照相系统的图像形成过程。 用于静电图像显影的调色剂包括至少含有粘合剂树脂，着色剂和脱模剂的调色剂颗粒，并且粘合剂树脂含有通过多官能丙烯酸酯化合物改性获得的多官能丙烯酸酯改性聚酯树脂。 在用于静电图像显影的调色剂中，优选调色剂颗粒具有核 - 壳结构，其中芯颗粒的表面涂覆有壳层，并且多官能丙烯酸酯改性的聚酯树脂包含在壳中 层。
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9.发明授权公开(公告)号：US10678169B1
公开(公告)日：2020-06-09
申请号：US16677108
申请日：2019-11-07
Applicant: Konica Minolta, Inc.
Inventor： Eiichi Yoshida , Sadaaki Sakamoto , Ito Koga , Shiori Tsugawa , Daisuke Ikeda
IPC: G03G15/16
Abstract: Provided is an intermediate transfer belt for an electrophotographic image forming apparatus including conductor-coated particles in which ferroelectric particles are coated with a conductor.
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公开(公告)号：US09958812B2
公开(公告)日：2018-05-01
申请号：US15178087
申请日：2016-06-09
Applicant: Konica Minolta, Inc.
Inventor： Eiichi Yoshida , Sadaaki Sakamoto , Takayuki Suzuki , Ito Koga
IPC: G03G15/16
CPC classification number: G03G15/162 , G03G2215/0135
Abstract: The intermediate transferring belt is to be mounted in an electrophotographic image-forming apparatus. The intermediate transferring belt includes the following, in sequence, a substrate; an elastic layer; and a surface layer. The surface layer has an elongation of 5% or more and a stress of 5MPa or more at an elastic limit determined by a stress-strain curve obtained according to JIS K7161.
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