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公开(公告)号：US10437173B2
公开(公告)日：2019-10-08
申请号：US15976955
申请日：2018-05-11
Applicant: Konica Minolta, Inc.
Inventor： Kazuteru Ishizuka , Hideaki Tanaka , Shunichi Takaya , Shota Sakurai , Kei Okamura , Kei Yuasa
IPC: G03G15/08
Abstract: A developing device includes a developing agent carrier body that carries a developing agent; a supplier that has a plurality of movement areas for moving the developing agent and that supplies the developing agent to the developing agent carrier body; a confluence path that combines the developing agent moving in each of the plurality of movement areas and thereafter returns the developing agent to the plurality of movement areas; and a mixing member that mixes the developing agent entered in the confluence path.
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公开(公告)号：US10338494B2
公开(公告)日：2019-07-02
申请号：US15695265
申请日：2017-09-05
Applicant: KONICA MINOLTA, INC.
Inventor： Shunichi Takaya , Hideaki Tanaka , Kazuteru Ishizuka , Shota Sakurai , Kei Okamura , Kei Yuasa
IPC: G03G15/08
Abstract: A developing apparatus includes a developer carrier that carries a developer, and a developer casing that contains the developer to be supplied to the developer carrier. An opening/closing part is capable of controlling a moving amount of the developer between a first region on one side in an axial direction of the developer carrier and a second region on the other side in the axial direction of the developer carrier by opening or closing the first region and the second region. A hardware processor controls an open/closed state of the opening/closing part in accordance with the state of the developer in the first region and the second region.
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公开(公告)号：US10203630B2
公开(公告)日：2019-02-12
申请号：US15904753
申请日：2018-02-26
Applicant: KONICA MINOLTA, INC.
Inventor： Kei Yuasa , Shunichi Takaya , Hideaki Tanaka , Kazuteru Ishizuka , Shota Sakurai , Kei Okamura
Abstract: A developing apparatus includes: a developer carrying member carrying a developer; a plurality of developer feeders accommodating the developer carried by the developer carrying member and being arranged in an axial direction of the developer carrying member; and a collecting part that collects the developer from the developer carrying member and feeds the developer to a second developer feeder different from a first developer feeder located at a position where the developer is collected from the developer carrying member in the axial direction, among the plurality of developer feeders.
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公开(公告)号：US10018929B2
公开(公告)日：2018-07-10
申请号：US15338906
申请日：2016-10-31
Applicant: Konica Minolta, Inc.
Inventor： Tomohiro Kawasaki , Hiroyuki Saito , Kazuhiro Saito , Kei Yuasa
CPC classification number: G03G8/00 , G03G15/0121 , G03G15/0865 , G03G15/6585
Abstract: An image forming apparatus includes: a color toner supply unit configured to supply, to a recording medium, color toner for forming a toner image on the recording medium; a transparent toner supply unit configured to supply, to the recording medium, transparent toner having no releasability from a surface member bonded to a surface of the recording medium on which the toner image is formed; and a control unit configured to control the transparent toner supply unit to supply the transparent toner to cover the color toner supplied from the color toner supply unit to the recording medium.
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公开(公告)号：US11500330B2
公开(公告)日：2022-11-15
申请号：US17503767
申请日：2021-10-18
Applicant: Konica Minolta, Inc.
Inventor： Shota Sakurai , Kei Yuasa , Takenobu Kimura , Tetsuya Ishikawa
Abstract: Provided is an image forming apparatus including an image carrier, an exposure device, a developing device that supplies a developer to form a toner image, and a hardware processor that controls the image carrier, the exposure device, and the developing device. The image forming apparatus further includes a fume prevention plate that covers a part of an internal space of the developing device where the developing roller is disposed and the developer is stored and that prevents the developer from scattering outside from the internal space, a suction duct, and an air suction device. One end of the suction duct is connected to the internal space and another end of the suction duct is connected to the air suction device. The fume prevention plate includes a movable portion. A position of the movable portion can be changed between a first position and a second position different from the first position.
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Patent Agency Ranking
公开(公告)号：US20190294396A1
公开(公告)日：2019-09-26
申请号：US16275558
申请日：2019-02-14
Applicant: KONICA MINOLTA, INC.
Inventor： Kei Yuasa , Natsuko Minegishi , Tetsuya Ishikawa , Hiroki Shibata
IPC: G06F3/12
Abstract: A control apparatus includes: a communicator that communicates with an image forming apparatus capable of executing a print job; and a hardware processor that obtains, for each of the image forming apparatuses in communication with the communicator, a degree of variations in remaining endurance of each of a plurality of units included in the image forming apparatus, wherein the hardware processor assigns a print job to the image forming apparatus having the smallest degree of variations.
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公开(公告)号：US12226999B2
公开(公告)日：2025-02-18
申请号：US17934335
申请日：2022-09-22
Applicant: Konica Minolta, Inc.
Inventor： Kei Yuasa
Abstract: An image forming apparatus includes an image former and a flattener. The image former forms an image on a recording medium. The flattener is disposed upstream of the image former in a conveying direction of the recording medium, and flattens the recording medium before the image former forms the image on the recording medium.
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公开(公告)号：US10241444B2
公开(公告)日：2019-03-26
申请号：US15728593
申请日：2017-10-10
Applicant: Konica Minolta, Inc.
Inventor： Kei Okamura , Shunichi Takaya , Hideaki Tanaka , Kazuteru Ishizuka , Shota Sakurai , Kei Yuasa
Abstract: A developing device includes a hardware processor that performs control in which a developer circulation state is switched between a first state and a second state depending on states of the developer in the first and the second regions. The first state is a state in which a developer circulation path is formed in each of the first and the second regions, and the second state is a state in which a single developer circulation path is formed all through the first and the second regions.
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9.发明授权公开(公告)号：US10139755B2
公开(公告)日：2018-11-27
申请号：US15648846
申请日：2017-07-13
Applicant: Konica Minolta, Inc.
Inventor： Shota Sakurai , Shunichi Takaya , Kei Okamura , Hideaki Tanaka , Kazuteru Ishizuka , Kei Yuasa
IPC: G03G15/08
Abstract: A developing device includes: a plurality of development sections arranged in an axis direction of a developer bearing member; a communication section disposed at a boundary of adjacent two development sections of the development sections, and configured to communicate between the two development sections; and a control section configured to perform an operation of moving the developer between the two development sections through the communication section to equalize degradation states of the developer in the two development sections.
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公开(公告)号：US20180335727A1
公开(公告)日：2018-11-22
申请号：US15976955
申请日：2018-05-11
Applicant: Konica Minolta, Inc.
Inventor： Kazuteru Ishizuka , Hideaki Tanaka , Shunichi Takaya , Shota Sakurai , Kei Okamura , Kei Yuasa
IPC: G03G15/08
CPC classification number: G03G15/0893
Abstract: A developing device includes a developing agent carrier body that carries a developing agent; a supplier that has a plurality of movement areas for moving the developing agent and that supplies the developing agent to the developing agent carrier body; a confluence path that combines the developing agent moving in each of the plurality of movement areas and thereafter returns the developing agent to the plurality of movement areas; and a mixing member that mixes the developing agent entered in the confluence path.
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