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公开(公告)号：US20240165971A1
公开(公告)日：2024-05-23
申请号：US18514191
申请日：2023-11-20
Applicant: KYOCERA Document Solutions Inc.
Inventor： Nobuhiro Maezawa
CPC classification number: B41J11/00244 , B41M7/009
Abstract: A drying apparatus includes a heater and a heat-transfer portion. The heat-transfer portion comes into contact with a second surface of a belt-like medium to transmit thermal energy supplied from the heater to the medium, the second surface being a surface on a back side of a first surface of the medium onto which ink is ejected. Further, the heat-transfer portion includes a base material portion, a first layer portion, and a second layer portion. The base material portion is provided closer to an opposing surface that opposes the heater than a contact surface that comes into contact with the medium. The first layer portion forms the contact surface and has higher abrasion resistance than the base material portion. The second layer portion is provided between the first layer portion and the base material portion and has higher heat conductivity than the base material portion.
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公开(公告)号：US10001718B2
公开(公告)日：2018-06-19
申请号：US15628919
申请日：2017-06-21
Applicant: KYOCERA Document Solutions Inc.
Inventor： Nobuhiro Maezawa
CPC classification number: G03G15/0233 , G03G15/0887 , G03G15/0893 , G03G15/1655 , G03G15/1675 , G03G15/168 , G03G15/2053
Abstract: A developing device includes a housing, a developing roller, a developer conveyance path, a partition plate, a developer supply port and a developer conveying member. The developer conveying member rotates such that an outer peripheral part thereof moves from top to bottom in a first area between a second shaft portion and the partition plate and moves from bottom to top in a second area between the second shaft portion and the side wall. The developer supply port is obliquely open above the second area. The housing includes a first space formed above the second area of the first conveyance path and a second space formed up to a position higher than the partition plate above the first area of the first conveyance path. The ceiling plate includes a ceiling portion. The ceiling portion restricts a movement of replenishing developer in the first direction.
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3.发明公开公开(公告)号：US20240165970A1
公开(公告)日：2024-05-23
申请号：US18514298
申请日：2023-11-20
Applicant: KYOCERA Document Solutions Inc.
Inventor： Nobuhiro Maezawa
CPC classification number: B41J11/00242 , B41J11/00244 , B41J11/003 , B41J11/005 , B41J15/04 , B41M5/0047 , B41M5/0064
Abstract: The image forming apparatus includes an ejection portion, a guide portion, a plurality of heating elements, a determination processing portion, and a drive control portion. The ejection portion ejects ink toward a first surface of a strip-shaped medium. The guide portion is provided at a position sandwiching the medium between the guide portion and the ejection portion, and forms a guide surface that guides the medium by coming into contact with a second surface on a rear side of the first surface of the medium. The plurality of heating elements are arranged along a width direction of the medium below the guide surface. The determination processing portion determines the heating elements to be driven based on the width of the medium. The drive control portion drives the heating elements determined by the determination processing portion as heating elements to be driven.
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公开(公告)号：US11294300B2
公开(公告)日：2022-04-05
申请号：US17373076
申请日：2021-07-12
Applicant: KYOCERA Document Solutions Inc.
Inventor： Nobuhiro Maezawa
IPC: G03G15/08
Abstract: A development device includes a development housing, a development roller, a supply roller and a layer thickness regulating member. The development housing stores a nonmagnetic one-component toner. The development roller is formed by a cylindrical elastic body. The supply roller includes a metal shaft member and a cylindrical foamed elastic body, and supplies the toner to the development roller and collects the toner from the development roller. The supply roller has an electric resistance within a range of 1×102Ω or more and 1×104Ω or less. The supply roller comes into contact with the circumferential face of the development roller in a state where a compression load within a range of 0.2 N or more and 1.5 N or less is applied to the shaft member of the supply roller in a direction perpendicular to an axial direction of the shaft member.
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公开(公告)号：US10310407B2
公开(公告)日：2019-06-04
申请号：US16038954
申请日：2018-07-18
Applicant: KYOCERA Document Solutions Inc.
Inventor： Nobuhiro Maezawa
Abstract: A development device includes a developer carrier, a blade and a cover. The developer carrier carries a developer containing a toner. The blade regulates a thickness of the developer carried on the developer carrier. The cover includes a cover main body covering an outer side of the blade and a facing rib protruding from an inner face of the cover main body and facing the developer carrier at an interval. A storage space to store the toner which contacts the facing rib and falls is formed below the facing rib.
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Patent Agency Ranking
公开(公告)号：US11372345B2
公开(公告)日：2022-06-28
申请号：US17449907
申请日：2021-10-04
Applicant: KYOCERA Document Solutions Inc.
Inventor： Nobuhiro Maezawa
IPC: G03G15/08
Abstract: A developing roller includes a base portion, an elastic layer disposed on the outer circumference of the base portion, and a coating disposed on the outer peripheral surface of the elastic layer. The ten-point mean roughness of the coating according to JIS B 0601:1994 is from 2 to 4 micrometers. Furthermore, the mean spacing of profile irregularities of the coating according to JIS B 0601:1994 is from 120 to 290 micrometers. Furthermore, the surface free energy of the coating according to the Owens-Wendt-Rabel-Kaelble method is from 5 to 25 millinewtons per meter.
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公开(公告)号：US11039029B2
公开(公告)日：2021-06-15
申请号：US16659956
申请日：2019-10-22
Applicant: KYOCERA Document Solutions Inc.
Inventor： Minoru Wada , Nobuhiro Maezawa
Abstract: An information processing apparatus manages an image forming apparatus installed in a building having a plurality of areas. The information processing apparatus includes an installation area information storage device, containing installation area information indicating each of the areas where the image forming apparatus is installed, a communication device that makes communication with an external apparatus, and a control device including a processor, and configured to acts as a controller, when the processor executes an operation control program. The controller transmits, when an abnormality detection device, provided in each of the areas to detect an abnormality that has occurred in the area, detects the abnormality, a command notice to turn off power for the image forming apparatus installed in the area where the abnormality has occurred, from the communication device to the image forming apparatus, according to the installation area information stored in the installation area information storage device.
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公开(公告)号：US20180017887A1
公开(公告)日：2018-01-18
申请号：US15628919
申请日：2017-06-21
Applicant: KYOCERA Document Solutions Inc.
Inventor： Nobuhiro Maezawa
CPC classification number: G03G15/0233 , G03G15/0887 , G03G15/0893 , G03G15/1655 , G03G15/1675 , G03G15/168 , G03G15/2053
Abstract: A developing device includes a housing, a developing roller, a developer conveyance path, a partition plate, a developer supply port and a developer conveying member. The developer conveying member rotates such that an outer peripheral part thereof moves from top to bottom in a first area between a second shaft portion and the partition plate and moves from bottom to top in a second area between the second shaft portion and the side wall. The developer supply port is obliquely open above the second area. The housing includes a first space formed above the second area of the first conveyance path and a second space formed up to a position higher than the partition plate above the first area of the first conveyance path. The ceiling plate includes a ceiling portion. The ceiling portion restricts a movement of replenishing developer in the first direction.
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公开(公告)号：US11599038B2
公开(公告)日：2023-03-07
申请号：US17764694
申请日：2021-01-13
Applicant: KYOCERA Document Solutions Inc.
Inventor： Nobuhiro Maezawa
IPC: G03G15/08
Abstract: A developing device capable of stably collecting untransferred toner collected from the photoconductor drum to the developing roller to the feed roller and suppressing occurrence of development ghosts, and an image forming apparatus including the same are provided. A developing device has a developing roller facing a photoconductor drum, a feed roller, and a restriction blade. The feed roller forms a feed nip part with the developing roller by contacting with the circumferential surface of the developing roller, and collects toner from the developing roller while feeding the toner to the developing roller. The Asker-C hardness of the developing roller is in the range of 50 to 80, both inclusive, the width of the feed nip part is in the range of 0.2 to 1.5 mm, both inclusive, and a compressive load to be applied to the feed roller is in the range of 0.2 to 1.5N, both inclusive.
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公开(公告)号：US20220107582A1
公开(公告)日：2022-04-07
申请号：US17449907
申请日：2021-10-04
Applicant: KYOCERA Document Solutions Inc.
Inventor： Nobuhiro Maezawa
IPC: G03G15/08
Abstract: A developing roller includes a base portion, an elastic layer disposed on the outer circumference of the base portion, and a coating disposed on the outer peripheral surface of the elastic layer. The ten-point mean roughness of the coating according to JIS B 0601:1994 is from 2 to 4 micrometers. Furthermore, the mean spacing of profile irregularities of the coating according to JIS B 0601:1994 is from 120 to 290 micrometers. Furthermore, the surface free energy of the coating according to the Owens-Wendt-Rabel-Kaelble method is from 5 to 25 millinewtons per meter.
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