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公开(公告)号：US20240337961A1
公开(公告)日：2024-10-10
申请号：US18629112
申请日：2024-04-08
Applicant: Konica Minolta, Inc.
Inventor： Tatsuya KATAGIRI
CPC classification number: G03G15/0121 , G03G15/0189 , G03G15/0865 , G03G15/0891 , G03G15/556 , G06K15/022 , G06K15/4075
Abstract: An image forming apparatus by which a toner image is formable on a continuous sheet includes a developing device that develops a latent image formed on an image bearing member to form a toner image, and a toner container that contains a toner to be supplied to the developing device, and is attachable to and detachable from the image forming apparatus, wherein a plurality of the toner containers containing toners of a same color are arranged.
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公开(公告)号：US20240302779A1
公开(公告)日：2024-09-12
申请号：US18590829
申请日：2024-02-28
Applicant: KYOCERA Document Solutions Inc.
Inventor： Atsuki Ito , Ayato Morikami , Yasuaki Sakamoto , Masaru Watanabe , Yukiko Kotani , Makoto Matsumoto
CPC classification number: G03G15/5041 , G03G15/011 , G03G15/0121 , G03G15/0131 , G03G15/0189 , G03G15/043 , G03G15/05 , G03G15/1605 , G03G15/5054 , G06K15/027
Abstract: A control portion, by an image density sensor detecting density of reference images for image density correction formed by a plurality of image forming portions, adjusts a developing voltage and an exposure amount of an exposure device based on the detection result. The control portion, based on the density of the reference images detected by the image density sensor, sets a common developing voltage such that the densities of the reference images are equal to or higher than a target density in all of the two or more image forming portions among the plurality of image forming portions. The control portion, by adjusting a toner adhesion area ratio for image forming portions of the two or more image forming portions in which the densities of the reference images exceed the target density when a common developing voltage is set, adjusts the densities of the reference images to the target density.
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公开(公告)号：US20240264547A1
公开(公告)日：2024-08-08
申请号：US18631643
申请日：2024-04-10
Applicant: CANON KABUSHIKI KAISHA
Inventor： Hiroshi Kita , Kazuhiro Funatani
CPC classification number: G03G15/0152 , G03G15/0121 , G03G15/065 , G03G15/5008 , G03G15/556
Abstract: An image forming apparatus has a normal image formation mode and a wide color gamut image formation mode in which an amount of a developer per unit area of a developer image of at least a color that differs from a prescribed color among a plurality of colors is increased as compared to the normal image formation mode. Image data is generated such that an image portion formed in the prescribed color in an image formed on a recording material is formed solely by a developer image of the prescribed color in the normal image formation mode, but formed by superimposing a developer image of a color that differs from the prescribed color on a developer image of the prescribed color or formed solely by a developer image of a different color in place of a developer image of the prescribed color in the wide color gamut image formation mode.
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公开(公告)号：US12032323B2
公开(公告)日：2024-07-09
申请号：US18180902
申请日：2023-03-09
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Keisuke Kusano , Wataru Yamada , Masahiro Iwasaki , Akihiro Kawasaki , Yuki Oyamada
IPC: G03G21/08 , G03G15/00 , G03G15/01 , G03G15/02 , G03G15/04 , G03G15/16 , G03G21/00 , G03G21/06 , G03G9/087
CPC classification number: G03G21/08 , G03G15/75 , G03G15/751 , G03G15/752 , G03G15/754 , G03G21/0094 , G03G21/06 , G03G9/0872 , G03G15/0121 , G03G15/0233 , G03G15/04036 , G03G15/1685 , G03G15/6597 , G03G2215/00957
Abstract: An image forming apparatus includes an electrophotographic photoreceptor that includes a conductive substrate and a photosensitive layer disposed on the conductive substrate, the electrophotographic photoreceptor having an outermost surface layer that contains a binder resin, a charge-transporting material, and a fluorine-containing resin particle, the fluorine-containing resin particle containing 0 or more and 30 or less carboxy groups per 106 carbon atoms, a charging device that charges the electrophotographic photoreceptor, an electrostatic latent image forming device that forms an electrostatic latent image on the electrophotographic photoreceptor that is charged, a developing device that houses a developer containing a toner and that develops, with the developer, the electrostatic latent image formed on the electrophotographic photoreceptor into a toner image, a transfer device that transfers the toner image onto a transfer-receiving medium, and an optical discharging device that, after the toner image is transferred onto the transfer-receiving medium and before the electrophotographic photoreceptor is charged, irradiates the electrophotographic photoreceptor with discharging light with a light quantity of 1.0 μW or more and 50.0 μW or less to perform discharging.
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5.发明公开公开(公告)号：US20240210850A1
公开(公告)日：2024-06-27
申请号：US18596902
申请日：2024-03-06
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Shuhei YAMAZAKI , Yu TSUDA
CPC classification number: G03G15/0184 , G03G15/0121 , G03G15/50 , G03G15/55
Abstract: An image forming apparatus includes multiple image forming units that are arranged in one direction and form images by attaching developers to surfaces of image carriers and transfer the images onto recording media, the image forming units including a first image forming unit that forms an image of a developer of a first color on a surface of a first image carrier and a second image forming unit that is located downstream of the first image forming unit, forms an image of a developer of second color on a surface of a second image carrier and includes a contact member having a tip portion that contacts the surface of the second image carrier after the transferring, wherein the image forming apparatus performs at a predetermined frequency an operation that forms a predetermined image by attaching the developer of the second color to the surface of the second image carrier and causes the predetermined image on the surface of the second image carrier to pass between the surface of the second image carrier after the transferring and the tip portion of the contact member.
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Patent Agency Ranking
公开(公告)号：US20240010859A1
公开(公告)日：2024-01-11
申请号：US18467135
申请日：2023-09-14
Applicant: TIGER COATINGS GMBH & CO. KG
Inventor： Francisco MARTI ABRIL
IPC: C09D11/107 , B41J2/005 , C09D11/102 , C09D11/104 , C09D11/106 , G03G9/08 , G03G9/087 , G03G9/097 , G03G15/16 , C09D7/61 , B05D1/06 , C09D5/03 , C09D163/00 , C09D167/03 , G03G15/01 , G03G15/00 , C09D163/10 , G03G9/09 , G03G15/08 , C09D7/65 , C09D7/40 , B05C9/14 , B05D3/02 , B41M7/00 , C09D11/037
CPC classification number: C09D11/107 , B41J2/0057 , C09D11/102 , C09D11/104 , C09D11/106 , G03G9/0819 , G03G9/08726 , G03G9/08753 , G03G9/08755 , G03G9/08764 , G03G9/09783 , G03G15/162 , C09D7/61 , B05D1/06 , C09D5/031 , C09D163/00 , C09D167/03 , G03G9/08795 , G03G9/08797 , G03G15/0121 , G03G15/6585 , C09D163/10 , G03G9/0827 , G03G9/08728 , G03G9/0906 , G03G9/09708 , G03G9/09725 , G03G15/0865 , C09D7/65 , C09D7/69 , B05C9/14 , B05D3/0254 , B41M7/0018 , C09D5/034 , C09D5/035 , G03G15/161 , C09D5/033 , C09D11/037 , G03G15/6582 , G03G9/0821 , C08K3/36
Abstract: A coating material which is processable by non-impact printing to form at least a part of a coating layer representing an image, the coating material having an amorphous resin portion, is curable and is configured for being applied with a thickness of at least 15 μm, the coating material having one or more of the following: a polyester resin having at least one incorporated acid monomer and wherein at least 10 weight percent of the at least one incorporated acid monomer is isophthalic acid; a polyester resin containing 1 to 100 w-% of cycloaliphatic glycol compounds with respect to the total weight of the glycol compounds of the polyester resin component; an acrylic resin; a fluorine containing polymer; a polyurethane resin.
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公开(公告)号：US20230408963A1
公开(公告)日：2023-12-21
申请号：US18332679
申请日：2023-06-09
Applicant: BROTHER KOGYO KABUSHIKI KAISHA
Inventor： Isao Fukuchi , Akira Minami , Keisuke Nishihara
CPC classification number: G03G15/80 , G03G15/0121
Abstract: An image forming apparatus records an image on a recording medium including a first layer developing a first color when exceeding a first temperature, a second layer developing a second color when exceeding a second temperature, and a third layer developing a third color when exceeding a third temperature. The image forming apparatus includes a head applying energy to the recording medium from the first layer side and a control device configured to control the energy to be applied to the recording medium by the head so as to form an image of a mixed color of the first color, the second color, and the third color on the recording medium by controlling the head to apply the energy to the recording medium to develop the first color on the recording medium after developing the second color or the third color.
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8.发明授权公开(公告)号：US11841679B2
公开(公告)日：2023-12-12
申请号：US17336866
申请日：2021-06-02
Applicant: RICOH COMPANY, LTD.
Inventor： Hiyori Fujino , Keisuke Tada , Shoki Matsuda , Fumihiko Chimoto , Ayumi Satoh
CPC classification number: G03G9/0821 , G03G9/08711 , G03G9/08755 , G03G15/0121
Abstract: A cyan toner is provided. The cyan toner comprises toner particles each comprising a binder resin and a colorant. From 1.0% to 20.0% by number of the toner particles have a CH rate of 7.0% or more in absolute value. The CH rate is calculated from the following formula (1):
CH rate (%)=[(In−Iave)/Iave]×100 Formula (1)
where, in a Raman spectrum of each toner particle, In represents an integrated intensity within a wavenumber region of from 2,600 to 3,180 cm−1 when an intensity at a wavenumber λ within a wavenumber region of from 2,600 to 2,800 cm−1 is s normalized to 1, where a total intensity of all the toner particles is maximum at the wavenumber λ; and Iave represents an average of the In.-
公开(公告)号：US11675308B2
公开(公告)日：2023-06-13
申请号：US17354145
申请日：2021-06-22
Applicant: CANON KABUSHIKI KAISHA
Inventor： Masanari Morioka , Shigeo Miyabe , Takahito Ueno
CPC classification number: G03G21/186 , F16D1/10 , F16D1/101 , F16D3/04 , G03G15/0121 , G03G15/0173 , G03G15/08 , G03G15/081 , G03G15/0815 , G03G15/0865 , G03G15/0896 , G03G21/1647 , G03G21/1676 , G03G2215/0177 , G03G2221/1657
Abstract: A cartridge for an electrophotographic image forming apparatus includes a developing roller, a rotatable member for transmitting a rotational force to the developing roller, a coupling member, and a frame. The coupling member is capable of moving between a first coupling member position in which the coupling axis is substantially coaxial with the rotational axis of the rotatable member and a second coupling member position in which the coupling axis is not coaxial with the rotational axis of the rotatable member. When the frame is in a first frame position, the coupling member is in the first coupling member position and a rotational force receiving portion of the coupling member engages with a rotational force applying portion of the apparatus, and, when the frame is in the second frame position, the coupling member is in the second coupling member position and the rotational force receiving portion engages with the rotational force applying portion.
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公开(公告)号：US20190033778A1
公开(公告)日：2019-01-31
申请号：US16150047
申请日：2018-10-02
Applicant: CANON KABUSHIKI KAISHA
Inventor： Kensuke Sato , Tetsushi Uneme , Toshiki Fujino
CPC classification number: G03G21/186 , F16D1/101 , G03G15/0121 , G03G15/0891 , G03G15/757 , G03G21/1647 , G03G21/1671 , G03G2221/1657
Abstract: A cartridge includes a coupling member, a transmitted member, and a rotary member. The transmitted member includes an accommodating portion configured to accommodate the coupling member, and a protruded portion integrally formed with an inner wall of the accommodating portion and protruding from the inner wall toward an inside of the accommodating portion. The coupling member includes a free end portion having a rotational force receiving portion that receives a rotational force, a connected portion connected to the transmitted member in such a manner that at least a part of the connected portion can be accommodated in the accommodating portion, and a recessed portion provided at the connected portion so that the protruded portion can enter. An inclination angle of a rotation axis of the coupling member relative to a rotation axis of the transmitted member is variable.
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