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公开(公告)号：US11493872B2
公开(公告)日：2022-11-08
申请号：US16928091
申请日：2020-07-14
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Hirotaka Tanaka , Koichiro Yuasa
Abstract: A static elimination device includes: a first static elimination member that makes contact with a medium that is transported; a second static elimination member arranged such that the medium is inserted between the first static elimination member and the second static elimination member; and a power source that applies a voltage to at least one of the first static elimination member or the second static elimination member, in which at least one of the first static elimination member and the second static elimination member has an elastic body.
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公开(公告)号：US11966176B2
公开(公告)日：2024-04-23
申请号：US17530153
申请日：2021-11-18
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Hirotaka Tanaka , Tomoaki Yoshioka , Yoko Miyamoto , Toshiaki Baba , Koichiro Yuasa , Kazuyoshi Hagiwara , Kei Tanaka
IPC: G03G15/16
CPC classification number: G03G15/162 , G03G15/161
Abstract: A transfer member includes: an inner layer; and an outer layer that is adhered to the inner layer and has a hardness lower than a hardness of the inner layer.
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公开(公告)号：US11768450B2
公开(公告)日：2023-09-26
申请号：US17871563
申请日：2022-07-22
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Kazuki Kishi , Koichiro Yuasa , Kazuyoshi Hagiwara , Kei Tanaka , Tomoaki Yoshioka , Toshiaki Baba , Yoko Miyamoto , Hirotaka Tanaka
CPC classification number: G03G15/1615
Abstract: A drum member includes: a substantially cylindrical drum body having a hollow part extending in an axial direction; a sheet member wound on the drum body; an adjusting mechanism configured to adjust tension in the sheet member, the adjusting mechanism including a moving member that holds an end of the sheet member in a circumferential direction and moves in a depth direction of the hollow part, and a fixing member that fixes the moving member to the drum body; and one or more positioning members that position the moving member such that the moving member does not move in the circumferential direction of the drum body when the moving member is fixed with the fixing member.
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Patent Agency Ranking
公开(公告)号：US11609514B2
公开(公告)日：2023-03-21
申请号：US17527886
申请日：2021-11-16
Applicant: FUJIFILM BUSINESS INNOVATION CORP.
Inventor： Koichiro Yuasa , Kazuyoshi Hagiwara , Kei Tanaka , Tomoaki Yoshioka , Toshiaki Baba , Yoko Miyamoto , Hirotaka Tanaka
Abstract: A transfer member includes: an inner layer; an outer layer provided on an outer periphery of the inner layer; and a surface layer provided on an outer periphery of the outer layer, both end portions of the surface layer in circumferential directions extending in the circumferential directions from both end portions of the outer layer in the circumferential directions.
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公开(公告)号：US11656563B2
公开(公告)日：2023-05-23
申请号：US17552071
申请日：2021-12-15
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Yoko Miyamoto , Hirotaka Tanaka , Kazuyoshi Hagiwara , Kei Tanaka , Tomoaki Yoshioka , Toshiaki Baba , Koichiro Yuasa
CPC classification number: G03G15/162 , G03G15/0131 , G03G15/165 , G03G15/167 , G03G15/1655 , G03G15/1685 , G03G15/657 , G03G15/6529 , G03G15/6558 , G03G21/168 , G03G2215/00379 , G03G2215/00409 , G03G2215/00413
Abstract: A jacket includes: a first layer that is on a cylinder body side when the jacket is attached to a rotating cylinder body; and a second layer that is a layer located on a side opposite to the cylinder body with respect to the first layer, has a hardness lower than that of the first layer, and does not exist at a position where at least one of end edges of the cylinder body in a rotation axis direction is located inward of the first layer in the rotation axis direction.
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公开(公告)号：US11579541B2
公开(公告)日：2023-02-14
申请号：US17356967
申请日：2021-06-24
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Koichiro Yuasa , Toshiaki Baba , Yoko Miyamoto , Takeshi Yasuda , Hirotaka Tanaka , Masaaki Takahashi , Tomoaki Yoshioka
Abstract: An image forming apparatus includes: an image holder configured to hold an image formed using an electrographic process; a transfer body that faces the image holder and is configured to contact the image holder while rotating to form a secondary transfer region; an application unit configured to apply a voltage for charging the secondary transfer region; and a charge unit that faces a region other than the secondary transfer region of the transfer body and is configured to charge a surface of the transfer body with a polarity opposite to an applied voltage of the application unit.
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公开(公告)号：US11385574B2
公开(公告)日：2022-07-12
申请号：US17334093
申请日：2021-05-28
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Toshiaki Baba , Yoko Miyamoto , Koichiro Yuasa , Tomoaki Yoshioka
IPC: G03G15/16
Abstract: A rotation device includes: a rotary body having a recess in an outer peripheral surface thereof; and a brush configured to come into contact with the outer peripheral surface of the rotary body to remove a foreign matter adhering to the outer peripheral surface, in which the brush is separated from the outer peripheral surface of the rotary body in a state where rotation of the rotary body is stopped.
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公开(公告)号：US20220107592A1
公开(公告)日：2022-04-07
申请号：US17320937
申请日：2021-05-14
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Koichiro Yuasa , Kazuki Kishi , Yoko Miyamoto , Toshiaki Baba , Tomoaki Yoshioka
Abstract: An image forming apparatus includes: a rotating body having a recess in an outer peripheral surface thereof; a transfer portion that is in contact with the outer peripheral surface of the rotating body, the transfer portion being configured to transfer a toner to a recording medium passing between the rotating body and the transfer portion; and a brush configured to come into contact with the outer peripheral surface of the rotating body to remove a toner adhering to the outer peripheral surface.
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