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1.发明申请公开(公告)号：US20170235261A1
公开(公告)日：2017-08-17
申请号：US15427620
申请日：2017-02-08
Applicant: Konica Minolta, Inc.
Inventor： Naoki YOSHIE , Chiaki YAMADA , Toru KIKUCHI
IPC: G03G15/20
CPC classification number: G03G15/2064 , G03G2215/0132 , G03G2215/2032
Abstract: A control unit is configured to control torque of a fixing motor and torque of a pressing motor such that tangential force at a part holding paper in cooperation with a fixing member in a pressing member is equal to or greater than tangential force at a part holding paper in cooperation with the pressing member in the fixing member, and that the relation between the tangential force at the part of the pressing member and the tangential force at the part of the fixing member changes in accordance with the smoothness of paper.
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公开(公告)号：US20140134536A1
公开(公告)日：2014-05-15
申请号：US14073994
申请日：2013-11-07
Applicant: Konica Minolta, Inc.
Inventor： Chiaki YAMADA , Masahiro Anno , Sho Kim , Yukiko Uno
IPC: G03G9/12
Abstract: A liquid developer includes toner particles and an insulating liquid, the toner particles include a resin and a pigment, the resin includes a crystalline resin, the pigment includes a first pigment, a second pigment, and a third pigment, the first pigment is carbon black, the second pigment is C.I. Pigment Brown 23 and/or C.I. Pigment Brown 25, the third pigment is nigrosine, and 20 to 60% by mass of the pigment is included relative to the toner particles.
Abstract translation: 液体显影剂包括调色剂颗粒和绝缘液体，调色剂颗粒包括树脂和颜料，树脂包括结晶树脂，颜料包括第一颜料，第二颜料和第三颜料，第一颜料是炭黑 ，第二种颜料为CI 颜料棕23和/或C.I. 颜料棕25，第三颜料为苯胺黑，相对于调色剂颗粒包含20〜60质量％的颜料。
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公开(公告)号：US20150220015A1
公开(公告)日：2015-08-06
申请号：US14608352
申请日：2015-01-29
Applicant: KONICA MINOLTA, INC.
Inventor： Yuya KUBO , Chiaki YAMADA , Masahiro ANNO , Kazuyoshi GOAN
IPC: G03G9/12
CPC classification number: G03G9/122
Abstract: A liquid developer includes an insulating liquid and toner particles which are dispersed in the insulating liquid and contain a resin and a coloring agent. The coloring agent contains nigrosine and a pigment derivative, and preferably further contains carbon black. Preferably, Wn and Ws satisfy relation of 0.15≦Ws/Wn≦0.80, where Wn represents a ratio of content (mass %) of nigrosine in the toner particles and Ws represents a ratio of content (mass %) of the pigment derivative in the toner particles.
Abstract translation: 液体显影剂包括分散在绝缘液体中并含有树脂和着色剂的绝缘液体和调色剂颗粒。 着色剂含有苯胺黑和颜料衍生物，优选还含有炭黑。 优选Wn和Ws满足关系0.15＆nlE; Ws / Wn＆nlE; 0.80，其中Wn表示调色剂颗粒中苯胺黑含量（质量％）的比例，Ws表示颜料衍生物的含量（质量％） 调色剂颗粒。
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公开(公告)号：US20180024479A1
公开(公告)日：2018-01-25
申请号：US15655185
申请日：2017-07-20
Applicant: Konica Minolta, Inc.
Inventor： Chiaki YAMADA , Junya HIRAYAMA
IPC: G03G15/20
CPC classification number: G03G15/2042 , G03G15/2046 , G03G15/2053 , G03G15/2064 , G03G2215/2019 , G03G2215/2038 , G03G2215/2041 , G03G2215/2045
Abstract: In this fixing device, a pressing roller includes a pressing roller driving unit, and a heating roller includes a heating roller driving unit. Control is performed such that torque of the heating roller in torque distribution between the pressing roller and the heating roller is greater when a belt load reducing device is activated than when the belt load reducing device is not activated. A fixing device and an image forming apparatus thus can be provided, in which the fixability according to the kind of recording medium is excellent, the durability of the fixing belt is high, and the separability between the fixing belt and the recording medium is excellent.
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公开(公告)号：US20150160547A1
公开(公告)日：2015-06-11
申请号：US14561394
申请日：2014-12-05
Applicant: KONICA MINOLTA, INC.
Inventor： Chiaki YAMADA , Masahiro Anno , Yuya Iwagoe , Masaaki Oka
Abstract: A liquid developer includes an insulating liquid and toner particles which are dispersed in the insulating liquid and contain a resin and a coloring agent. The resin contains a first resin which is a resin containing a component derived from a crystalline polyester resin. The coloring agent contains carbon black and nigrosine. The toner particles have a peak at not lower than 30° C. and not higher than 50° C. in a DSC curve in temperature decrease.
Abstract translation: 液体显影剂包括分散在绝缘液体中并含有树脂和着色剂的绝缘液体和调色剂颗粒。 树脂含有第一树脂，其是含有衍生自结晶性聚酯树脂的成分的树脂。 着色剂含有炭黑和苯胺黑。 调色剂颗粒在温度降低的DSC曲线中具有不低于30℃且不高于50℃的峰。
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Patent Agency Ranking
公开(公告)号：US20140134537A1
公开(公告)日：2014-05-15
申请号：US14074003
申请日：2013-11-07
Applicant: Konica Minolta, Inc.
Inventor： Chiaki YAMADA , Masahiro Anno , Sho Kim , Yukiko Uno
IPC: G03G9/12
Abstract: A liquid developer is characterized in that it includes toner particles and an insulating liquid, the toner particles include a resin and a pigment, the pigment includes a first pigment and a second pigment, the first pigment is carbon black, the second pigment is C.I. Pigment Brown 23 and/or C.I. Pigment Brown 25, and 20 to 60% by mass of the pigment is included relative to the toner particles.
Abstract translation: 液体显影剂的特征在于其包括调色剂颗粒和绝缘液体，调色剂颗粒包括树脂和颜料，颜料包括第一颜料和第二颜料，第一颜料是炭黑，第二颜料是C.I. 颜料棕23和/或C.I. 相对于调色剂颗粒，包含颜料棕25和20〜60质量％的颜料。
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公开(公告)号：US20190171138A1
公开(公告)日：2019-06-06
申请号：US16207608
申请日：2018-12-03
Applicant: Konica Minolta Inc.
Inventor： Naoki YOSHIE , Chiaki YAMADA
IPC: G03G15/20
Abstract: An image forming device includes: a fixing unit that fixes an image formed on a recording medium; a heating unit that heats a recording medium that has been subjected to a fixing process by the fixing unit; and a controller that sets a glossiness of an image on a recording medium, wherein the controller controls a heating amount with the heating unit depending on the set glossiness.
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公开(公告)号：US20150338756A1
公开(公告)日：2015-11-26
申请号：US14719988
申请日：2015-05-22
Applicant: Konica Minolta, Inc.
Inventor： Chiaki YAMADA , Masahiro ANNO
CPC classification number: G03G9/0904 , G03G9/091 , G03G9/0914 , G03G9/0918 , G03G9/092 , G03G9/122 , G03G9/132
Abstract: A developer for electrostatic latent image contains toner particles. The toner particles contain a resin and a coloring agent, and the coloring agent includes a first coloring agent, a second coloring agent, and a third coloring agent. The first coloring agent is carbon black, the second coloring agent is one or more of C. I. Pigment Violet 19 and C. I. Pigment Violet 23, and the third coloring agent is one or more of C. I. Pigment Brown 23 and C. I. Pigment Brown 25. A content of the second coloring agent is not lower than 8 mass % and not higher than 25 mass % with respect to a total amount of the coloring agents.
Abstract translation: 用于静电潜像的显影剂含有调色剂颗粒。 调色剂颗粒含有树脂和着色剂，着色剂包括第一着色剂，第二着色剂和第三着色剂。 第一着色剂是炭黑，第二着色剂是CI颜料紫19和CI颜料紫23中的一种或多种，第三着色剂是CI颜料棕23和CI颜料棕25中的一种或多种。 第二着色剂相对于着色剂的总量不低于8质量％且不高于25质量％。
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公开(公告)号：US20140134529A1
公开(公告)日：2014-05-15
申请号：US14073956
申请日：2013-11-07
Applicant: Konica Minolta, Inc.
Inventor： Chiaki YAMADA , Masahiro Anno
IPC: G03G9/09
CPC classification number: G03G9/0904 , G03G9/0906 , G03G9/091 , G03G9/0912 , G03G9/0914 , G03G9/0922 , G03G9/0926
Abstract: Toner for developing an electrostatic latent image contains toner particles, the toner particles contain a resin and a pigment, the pigment includes a first pigment and a second pigment, the first pigment is carbon black, and the second pigment is C. I. Pigment Brown 23 and/or C. I. Pigment Brown 25.
Abstract translation: 用于显影静电潜像的调色剂含有调色剂颗粒，调色剂颗粒含有树脂和颜料，颜料包括第一颜料和第二颜料，第一颜料是炭黑，第二颜料是CI颜料棕23和/ 或CI颜料棕25。
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公开(公告)号：US20140087305A1
公开(公告)日：2014-03-27
申请号：US14036854
申请日：2013-09-25
Applicant: KONICA MINOLTA, INC.
Inventor： Chiaki YAMADA , MASAHIRO ANNO , YUKIKO UNO , SATOSHI MATSUMOTO
IPC: G03G9/13
Abstract: A liquid developer of the present invention includes a toner particle and an insulating liquid, the toner particle including a resin and a pigment, the resin including a polyester resin, the pigment including a first pigment, a second pigment, and a third pigment, the first pigment being a carbon black, 10 to 25 mass % of the first pigment being included in the toner particle, the second pigment being nigrosine, 3 to 15 mass % of the second pigment being included in the toner particle, the third pigment being at least one organic pigment selected from a group consisting of a phthalocyanine blue pigment, a phthalocyanine green pigment, a carmine-based pigment, a naphthol-based pigment, a quinacridon-based pigment, an azo-based pigment, a benzimidazolone-based pigment, and an isoindoline-based pigment, 5 to 20 mass % of the third pigment being included in the toner particle.
Abstract translation: 本发明的液体显影剂包括调色剂颗粒和绝缘液体，所述调色剂颗粒包括树脂和颜料，所述树脂包括聚酯树脂，所述颜料包括第一颜料，第二颜料和第三颜料， 第一颜料为炭黑，调色剂颗粒中包含10〜25质量％的第一颜料，第二颜料为苯胺黑，第三颜料中含有3〜15质量％的第二颜料，第三颜料为 选自酞菁蓝颜料，酞菁绿颜料，胭脂红系颜料，萘酚系颜料，喹吖啶酮系颜料，偶氮系颜料，苯并咪唑酮系颜料， 和异二氢吲哚系颜料，调色剂颗粒中含有5〜20质量％的第三颜料。
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