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公开(公告)号：US20200073297A1
公开(公告)日：2020-03-05
申请号：US16534325
申请日：2019-08-07
Applicant: Konica Minolta Inc.
Inventor： Yuji KAMODA , Shota SAKURAI , Hiroyuki SAITO , Tatsuya FURUTA
Abstract: An image forming apparatus includes: an image carrier rotatably supported; a lubricant supplier that supplies lubricant to a surface of the image carrier, a blade that levels the lubricant supplied from the lubricant supplier in a film-like form on the surface of the image carrier, and a controller that controls image formation, wherein the controller has a lubricant removal mode to remove the lubricant accumulated on the blade, the lubricant removal mode includes a plurality of displacement modes each of which imparts different displacement to the blade, in each of the displacement modes, one of a displacement amount, a displacement speed, a displacement period, a displacement angle, and a displacement position of the blade is different, and the controller performs switching between the displacement modes during execution of the lubricant removal mode.
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2.发明申请公开(公告)号：US20180136582A1
公开(公告)日：2018-05-17
申请号：US15798771
申请日：2017-10-31
Applicant: Konica Minolta, Inc.
Inventor： Hiroyuki SAITO , Tetsuya ISHIKAWA , Tomohiro KAWASAKI , Tatsuya FURUTA , Ryoei IKARI , Aiko KUBOTA
IPC: G03G15/08
Abstract: An image forming apparatus includes: an image former that forms a toner image based on input image information by superposing toners of plural colors on a recording material; a fixer that fixes the toner image formed on the recording material; a toner amount calculator that calculates, from the input image information, an amount of toners to be superposed on the recording material; and a hardware processor that controls the image former to supply an assistance toner that assists melting of the toners used for forming the toner image based on the input image information by an amount corresponding to the calculated amount of toners.
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3.发明申请IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM AND CONCENTRATION UNEVENNESS DETECTING METHOD 有权图像形成装置，图像形成系统和浓度检测方法公开(公告)号：US20160124343A1
公开(公告)日：2016-05-05
申请号：US14880872
申请日：2015-10-12
Applicant: Konica Minolta, Inc.
Inventor： Shota SAKURAI , Tatsuya FURUTA , Kazuhiro SAITO , Kazuteru ISHIZUKA , Tomohiro KAWASAKI
IPC: G03G15/08
CPC classification number: G03G15/5058 , G03G15/0849 , G03G15/105 , G03G2215/0135 , G03G2215/0164
Abstract: An image forming apparatus includes: a rotatable image carrier; an image forming unit configured to form a plurality of divided patch images, which is obtained by dividing a patch image for detecting a concentration of an image in a rotation direction of the image carrier, on the image carrier at regular intervals and form an image to be formed on a paper sheet on the image carrier; a concentration detecting unit configured to detect the concentration of the plurality of divided patch images formed by the image forming unit; and a controller configured to combine the concentration of divided patch images detected by the concentration detecting unit in chronological order and detect concentration unevenness of the image in the vertical scanning direction which is a paper sheet conveying direction of the paper sheet.
Abstract translation: 图像形成装置包括：可旋转图像载体; 图像形成单元，被配置为形成多个分割图像，其通过将用于检测图像载体的旋转方向上的图像的浓度的斑块图像以规则间隔划分在图像载体上并形成图像而获得 形成在图像载体上的纸张上; 浓度检测单元，被配置为检测由所述图像形成单元形成的所述多个分割补片图像的浓度; 以及控制器，被配置为按照时间顺序组合由浓度检测单元检测的分割补片图像的浓度，并检测作为纸张的纸张输送方向的垂直扫描方向上的图像的浓度不均匀。
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4.发明申请公开(公告)号：US20190258189A1
公开(公告)日：2019-08-22
申请号：US16279715
申请日：2019-02-19
Applicant: Konica Minolta, Inc.
Inventor： Tatsuya FURUTA , Hiroshi MORIMOTO , Keiki KATSUMATA , Satoru NAGATA , Daiki WATANABE
Abstract: A developing device includes a hardware processor that performs control not to cause an image to be formed on an image bearing member by a first developer bearing member and to cause a first image to be formed on the image beating member by a second developer bearing member, in which the hardware processor corrects developing conditions of the plural developer bearing members based on a developability detection result of the first image formed by the second developer bearing member.
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公开(公告)号：US20180217521A1
公开(公告)日：2018-08-02
申请号：US15866610
申请日：2018-01-10
Applicant: KONICA MINOLTA, INC.
Inventor： Tatsuya FURUTA , Hiroyuki Saito , Tetsuya Ishikawa , Tomohiro Kawasaki , Ryoei Ikari , Aiko Kubota
CPC classification number: G03G15/0867 , G03G9/09 , G03G9/097 , G03G9/135 , G03G15/0893
Abstract: A developing device, includes a first storage chamber that stores developer; a first conveyor that is disposed in the first storage chamber and conveys developer; a developer supporter that is disposed so as to face an image supporter, supports developer conveyed from the first conveyor, and conveys the supported developer to a developing position where an electrostatic latent image formed on the image supporter is developed; a second storage chamber that stores developer conveyed via the developing position and communicates with the first storage chamber at a confluent opening; a second conveyor that is disposed in the second storage chamber and conveys developer conveyed via the developing position toward the confluent opening; and a third storage chamber that stores developer overflowing in a case where an amount of developer in the second storage chamber becomes a predetermined amount or more.
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Patent Agency Ranking
公开(公告)号：US20190049878A1
公开(公告)日：2019-02-14
申请号：US16103299
申请日：2018-08-14
Applicant: KONICA MINOLTA, INC.
Inventor： Tatsuya FURUTA , Tetsuya ISHIKAWA , Hiroyuki SAITO , Tomohiro KAWASAKI , Ryoei IKARI , Aiko KUBOTA
Abstract: A developing device includes: an image bearing member; a plurality of developing rollers each supplying toner to the image bearing member, and developing an electrostatic latent image on the image bearing member into a toner image; and a hardware processor analyzing values representing density fluctuations during the toner being supplied from the developing rollers to the image bearing member, for the respective developing rollers, and correcting a control value for an image density of at least one developing roller among the developing rollers based on an result of the analyzing so as to eliminate the density fluctuations, in consideration of an effect caused at the developing roller on a downstream side in a rotational direction of the image bearing member by correcting the control value for the image density of the developing roller on an upstream side.
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公开(公告)号：US20170160679A1
公开(公告)日：2017-06-08
申请号：US15371550
申请日：2016-12-07
Applicant: Konica Minolta, Inc.
Inventor： Shota SAKURAI , Hiroshi MORIMOTO , Wataru WATANABE , Kazuteru ISHIZUKA , Tatsuya FURUTA
IPC: G03G15/00
CPC classification number: G03G15/1605 , B65H18/103 , B65H23/044 , B65H2301/5142 , B65H2511/214 , B65H2515/314 , B65H2801/06 , G03G15/1695 , G03G15/652 , G03G15/6579 , G03G21/203 , G03G2215/00578 , G03G2215/0059 , G03G2215/00662 , G03G2215/0067 , G03G2215/00738 , B65H2220/01
Abstract: An image forming apparatus includes: a conveyance section configured to convey a sheet in a direction opposite to a first conveyance direction during image formation, the direction being a second conveyance direction; and a distortion correction section disposed on an upstream side of a transfer nip in the first conveyance direction and configured to correct, when the sheet is conveyed by the conveyance section in the second conveyance direction, distortion of the sheet generated when the sheet passes through a fixing nip.
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公开(公告)号：US20160342113A1
公开(公告)日：2016-11-24
申请号：US15149391
申请日：2016-05-09
Applicant: Konica Minolta, Inc.
Inventor： Shota SAKURAI , Tatsuya FURUTA , Natsuko KAWAI , Tetsuya ISHIKAWA , Tomohiro KAWASAKI
IPC: G03G15/16
CPC classification number: G03G15/161 , G03G15/5058 , G03G2215/00059 , G03G2221/001
Abstract: An image forming apparatus includes a second cleaning section, an image formation control section configured to control an image forming section to form a high-coverage patch on a transfer belt, and a cleaning control section configured to control the second cleaning section to perform cleaning of the patch on the transfer belt.
Abstract translation: 图像形成装置包括第二清洁部分，图像形成控制部分，被配置为控制图像形成部分以在转印带上形成高覆盖贴片;以及清洁控制部分，被配置为控制第二清洁部分进行清洁 转印带上的贴片。
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公开(公告)号：US20130315615A1
公开(公告)日：2013-11-28
申请号：US13900154
申请日：2013-05-22
Applicant: Konica Minolta, Inc.
Inventor： Shintaro SONE , Hiroyuki SAITO , Hisayoshi NAGASE , Kazuteru ISHIZUKA , Tatsuya FURUTA , Kazutoshi KOBAYASHI
IPC: G03G15/02
CPC classification number: G03G15/0258 , G03G15/0291 , G03G2215/027
Abstract: A charging device has a charging member to charge an object, an applying unit to apply a voltage to the charging member for generating an electric discharge from the charging member, so that the object is discharged by the charging member, a detecting unit to detect an emission of light of the electric discharge, an output unit to output a detection result by the detecting unit, a cleaning unit to clean the charging member, and a controller to control the cleaning unit to clean the charging member when the detection result is out of a predetermined range.
Abstract translation: 充电装置具有用于对物体充电的充电构件，施加单元，用于向充电构件施加电压，用于从充电构件产生放电，使得物体由充电构件放电;检测单元，用于检测 发射放电灯，输出单元，输出检测单元的检测结果;清洁单元，用于清洁充电构件;以及控制器，当检测结果超出时，控制清洁单元清洁充电构件 预定范围。
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10.发明申请公开(公告)号：US20180113401A1
公开(公告)日：2018-04-26
申请号：US15728776
申请日：2017-10-10
Applicant: KONICA MINOLTA, INC.
Inventor： Tomohiro KAWASAKI , Tetsuya ISHIKAWA , Hiroyuki SAITO , Ryoei IKARI , Tatsuya FURUTA , Aiko KUBOTA
CPC classification number: G03G15/104 , G03G15/2003 , G03G15/2053 , G03G15/6585 , G03G15/6591
Abstract: An image forming apparatus includes: an image former that forms on a recording material a toner image based on input image information; a fixer that fixes a toner image formed on the recording material; and a hardware processor that controls the image former and the fixer in which the hardware processor controls the image former to supply, to a region where no toner is provided between toner images based on the input image information, complementing toner having a thermal conductivity higher than a thermal conductivity of toner for forming the toner image based on input image information.
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