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1. 发明授权

US09964897B2 Developing device and image forming apparatus 有权
公开(公告)号：US09964897B2
公开(公告)日：2018-05-08
申请号：US15618538
申请日：2017-06-09
申请人： Konica Minolta, Inc.
发明人： Kazuteru Ishizuka , Hiroshi Morimoto , Wataru Watanabe , Tatsuya Furuta , Shota Sakurai
IPC分类号： G03G15/09 , G03G15/095 , G03G21/16
CPC分类号： G03G15/095 , G03G15/09 , G03G15/0921 , G03G21/1647 , G03G2215/0648
摘要： A developing device includes a first developing roller, a second developing roller, a first end portion configured to restrict the amount of developer on the second developing roller, a restriction member, and a collecting roller configured to collect developer on the first developing roller. The second end portion is located at a position where magnetic force interference with a magnetic force generated by the second developing roller and the collecting roller is not caused.

2. 发明授权

US09696680B2 Transfer-section contamination prevention device and image forming apparatus 有权
公开(公告)号：US09696680B2
公开(公告)日：2017-07-04
申请号：US15055731
申请日：2016-02-29
申请人： Konica Minolta, Inc.
发明人： Tomohiro Kawasaki , Tetsuya Ishikawa , Natsuko Kawai , Tatsuya Furuta , Shota Sakurai
IPC分类号： G03G21/00 , G03G15/16 , G03G21/16
CPC分类号： G03G21/00 , G03G15/161 , G03G15/1695 , G03G21/168
摘要： A transfer-section contamination prevention device includes: a powder housing section that is disposed on an upstream side relative to a transfer section in a sheet conveyance direction, and is capable of holding powder at a position near an end portion of a sheet in a sheet width direction orthogonal to the sheet conveyance direction or capable of guiding the powder to the position near the end portion of the sheet, the sheet including a base material layer, a release layer and an adhesive layer containing adhesive agent disposed between the base material layer and the release layer, the transfer section being configured to transfer a toner image to the sheet; and a powder adhesion facilitation section configured to facilitate adhesion of the powder to the lateral end portion of the sheet from the powder housing section.

3. 发明授权

US09134650B2 Developing device and image forming apparatus 有权
标题翻译：显影装置和图像形成装置
公开(公告)号：US09134650B2
公开(公告)日：2015-09-15
申请号：US14104557
申请日：2013-12-12
申请人： Konica Minolta, Inc.
发明人： Kazuhiro Saito , Tomohiro Kawasaki , Kazuteru Ishizuka , Tatsuya Furuta , Seiko Itagaki
IPC分类号： G03G15/08 , G03G15/09 , G03G15/00
CPC分类号： G03G15/0824 , G03G15/0849 , G03G15/0856 , G03G15/5058 , G03G2215/0132 , G03G2215/0164
摘要： Disclosed herein is a developing device including: a developer housing section configured to house a developer including toner and carrier; a carrier replenishing section configured to supply the carrier to the developer housing section; a carrier concentration detecting section provided at a position near a carrier replenishment position at which the carrier is received from the carrier replenishing section in the developer housing section, the carrier concentration detecting section being configured to detect a carrier concentration in the developer housing section; and a carrier replenishment determination section configured to determine whether the carrier is properly supplied to the developer housing section on the basis of a result of detecting by the carrier concentration detecting section.
摘要翻译：本文公开了一种显影装置，包括：显影剂容纳部分，其构造成容纳包含调色剂和载体的显影剂; 载体补充部，其构造成将所述载体供给到所述显影剂容纳部; 载体浓度检测部，其设置在载体补充位置附近的位置，在所述载体补充位置，载体从所述载体补充部在所述显影剂容纳部中接收，所述载流子浓度检测部被配置为检测所述显影剂容纳部的载流子浓度; 以及载体补充确定部分，被配置为基于载体浓度检测部分的检测结果来确定载体是否被适当地供应到显影剂容纳部分。

4. 发明授权

US11477974B2 Pest detector 有权
公开(公告)号：US11477974B2
公开(公告)日：2022-10-25
申请号：US16872859
申请日：2020-05-12
申请人： Konica Minolta Inc.
发明人： Tatsuya Furuta
IPC分类号： A01M1/02 , A01M1/22 , G01V8/10
摘要： A pest detector includes: a first electrode; a second electrode that is arranged to face the first electrode; an electric field generator that generates an electric field in a gap between the first electrode and the second electrode; an imager that images at least the first electrode; and a hardware processor that determines an attaching state of insect pests that can be attached to the first electrode, based on an image captured by the imager.

5. 发明授权

US10481537B2 Image forming apparatus and control program for removing carriers on a photoreceptor 有权
公开(公告)号：US10481537B2
公开(公告)日：2019-11-19
申请号：US15868495
申请日：2018-01-11
申请人： Konica Minolta, Inc.
发明人： Hiroyuki Saito , Tetsuya Ishikawa , Tomohiro Kawasaki , Ryoei Ikari , Tatsuya Furuta , Aiko Kubota
IPC分类号： G03G15/00 , G03G21/00
摘要： An image forming apparatus that forms an image on a transfer material in an image forming mode, includes: a photoreceptor rotatable in a predetermined rotation direction; a developer that forms a toner image on the photoreceptor using a two-component developing agent including toner and a carrier; a transferor that transfers the toner image on the photoreceptor onto the transfer material; a carrier collector that applies an electric field corresponding to a collecting bias to a carrier adhering to the photoreceptor to collect the carrier; a carrier detector that detects a carrier remaining on the photoreceptor after collecting the carrier by the carrier collector; and a hardware processor that sets the collecting bias in the image forming mode on the basis of the amount of carriers detected by the carrier detector when a carrier adhesion detecting mode for forcibly causing a carrier to adhere to the photoreceptor is executed.

6. 发明授权

US10466614B2 Developing device, image forming apparatus, and developing condition correcting method 有权
公开(公告)号：US10466614B2
公开(公告)日：2019-11-05
申请号：US16279715
申请日：2019-02-19
申请人： Konica Minolta, Inc.
发明人： Tatsuya Furuta , Hiroshi Morimoto , Keiki Katsumata , Satoru Nagata , Daiki Watanabe
IPC分类号： G03G15/06 , G03G15/00 , G03G15/08
摘要： 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.

7. 发明授权

US09223243B2 Charging device and image forming apparatus including the same 有权
标题翻译：充电装置及包括该充电装置的图像形成装置
公开(公告)号：US09223243B2
公开(公告)日：2015-12-29
申请号：US13900154
申请日：2013-05-22
申请人： Konica Minolta, Inc.
发明人： Shintaro Sone , Hiroyuki Saito , Hisayoshi Nagase , Kazuteru Ishizuka , Tatsuya Furuta , Kazutoshi Kobayashi
IPC分类号： G03G15/02
CPC分类号： G03G15/0258 , G03G15/0291 , G03G2215/027
摘要： 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.
摘要翻译：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。

8. 发明授权

US10642202B2 Image forming apparatus 有权
公开(公告)号：US10642202B2
公开(公告)日：2020-05-05
申请号：US16534325
申请日：2019-08-07
申请人： Konica Minolta Inc.
发明人： Yuji Kamoda , Shota Sakurai , Hiroyuki Saito , Tatsuya Furuta
IPC分类号： G03G21/00 , G03G15/20 , G03G15/08 , G03G15/02
CPC分类号： G03G15/2025 , G03G15/0225 , G03G15/0812 , G03G15/0848
摘要： 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 dining execution of the lubricant removal mode.

9. 发明授权

US10534305B2 Image forming apparatus and non-transitory recording medium storing computer readable program 有权
公开(公告)号：US10534305B2
公开(公告)日：2020-01-14
申请号：US15798771
申请日：2017-10-31
申请人： Konica Minolta, Inc.
发明人： Hiroyuki Saito , Tetsuya Ishikawa , Tomohiro Kawasaki , Tatsuya Furuta , Ryoei Ikari , Aiko Kubota
IPC分类号： G03G15/08 , G03G15/00 , G03G15/01
摘要： 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.

10. 发明授权

US10088779B2 Developing device and image forming apparatus 有权
公开(公告)号：US10088779B2
公开(公告)日：2018-10-02
申请号：US15634113
申请日：2017-06-27
申请人： Konica Minolta, Inc.
发明人： Kazuteru Ishizuka , Tatsuya Furuta , Hiroshi Morimoto
IPC分类号： G03G15/09
摘要： A developing device includes a developing roller which includes: a magnet roller having a plurality of magnetic poles in a circumferential direction; and a developing sleeve rotatably supported along an outer peripheral surface of the magnet roller, and which is configured to supply a toner to an image bearing member. The magnet roller is configured so that the relative position thereof to the developing sleeve is changeable.

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