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    RECORDING HEAD RECOVERY SYSTEM, INK-JET RECORDING APPARATUS THEREWITH, AND RECORDING HEAD RECOVERY METHOD
    1.
    发明申请
    RECORDING HEAD RECOVERY SYSTEM, INK-JET RECORDING APPARATUS THEREWITH, AND RECORDING HEAD RECOVERY METHOD 有权

    公开(公告)号：US20210213740A1

    公开(公告)日：2021-07-15

    申请号：US17215346

    申请日：2021-03-29

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Masato USUI ,  Yasuko TAKAORI

    IPC: B41J2/165

    Abstract: A recording head recovery system includes a recording head, a cleaning liquid tank for storing cleaning liquid, a cleaning liquid supplying path which connects together the cleaning liquid tank and the recording head, a liquid supply mechanism which is provided in the cleaning liquid supplying path, and a controller. The controller performs recording head recovery operation including cleaning liquid supplying operation for supplying the cleaning liquid from liquid supplying openings of the recording head, wiping operation for wiping an ink ejection face of the recording head while a wiper retains the cleaning liquid, and backflow operation for controlling the liquid supply mechanism to make the cleaning liquid in the cleaning liquid supplying path to flow from the cleaning liquid supplying openings to the cleaning liquid tank.

    INK SET AND RECORDING HEAD INSPECTION METHOD
    3.
    发明申请
    INK SET AND RECORDING HEAD INSPECTION METHOD 有权

    公开(公告)号：US20220259449A1

    公开(公告)日：2022-08-18

    申请号：US17665745

    申请日：2022-02-07

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Yasuko TAKAORI

    IPC: C09D11/40 ,  C09D11/322 ,  C09D11/38 ,  C09D11/037 ,  C09D11/033 ,  C09D11/107 ,  B41M5/00 ,  B41J2/045

    Abstract: An ink set includes an inkjet ink and a recording head filling liquid. The inkjet ink contains a pigment, a pigment covering resin, a glycol ether compound, a first polyhydric alcohol compound, and water. The recording head filling liquid contains polyethylene glycol, a second polyhydric alcohol compound, a nonionic surfactant, and water. The polyethylene glycol has a mass average molecular weight of at least 190 and no greater than 420. A percentage content of the polyethylene glycol in the recording head filling liquid is at least 0.7% by mass and no greater than 12.0% by mass. A percentage content of the second polyhydric alcohol compound in the recording head filling liquid is at least 15.0% by mass and no greater than 45.0% by mass.

    INKJET INK
    4.
    发明公开
    INKJET INK 审中-公开

    公开(公告)号：US20230235189A1

    公开(公告)日：2023-07-27

    申请号：US18159037

    申请日：2023-01-24

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Yasuko TAKAORI

    IPC: C09D11/38 ,  C09D11/322 ,  C09D11/36

    CPC classification number: C09D11/38 ,  C09D11/322 ,  C09D11/36

    Abstract: An inkjet ink contains a pigment, resin particles, dipropylene glycol monomethyl ether, triethylene glycol monobutyl ether, and propylene glycol. The resin particles contain polycarbonate polyurethane resin. The resin particles have a percentage content of at least 2.0% by mass and no greater than 9.0% by mass. The dipropylene glycol monomethyl ether has a percentage content of at least 7.0% by mass and no greater than 27.0% by mass. The triethylene glycol monobutyl ether has a percentage content of at least 4.0% by mass and no greater than 12.0% by mass. The propylene glycol has a percentage content of at least 4.0% by mass and no greater than 18.0% by mass.

    WASH FLUID FOR USE IN INKJET RECORDING APPARATUS AND IMAGE FORMATION METHOD
    7.
    发明申请
    WASH FLUID FOR USE IN INKJET RECORDING APPARATUS AND IMAGE FORMATION METHOD 审中-公开

    公开(公告)号：US20200164651A1

    公开(公告)日：2020-05-28

    申请号：US16687169

    申请日：2019-11-18

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Yasuko TAKAORI ,  Noriaki OZAWA

    IPC: B41J2/165 ,  C11D1/10

    Abstract: A wash fluid for use in an inkjet recording apparatus contains water, a coconut oil fatty acid surfactant, an organic deliquescent agent, a polyhydric alcohol, and a basic inorganic compound. The polyhydric alcohol is an alkanediol. The coconut oil fatty acid surfactant is contained in an amount of at least 0.01% by mass and no greater than 3.00% by mass. The organic deliquescent agent is contained in an amount of at least 0.10% by mass and no greater than 30.00% by mass.

    INK FOR INK-JET RECORDING APPARATUSES AND IMAGE FORMING METHOD
    8.
    发明申请
    INK FOR INK-JET RECORDING APPARATUSES AND IMAGE FORMING METHOD 有权
    喷墨记录装置和图像形成方法

    公开(公告)号：US20130215169A1

    公开(公告)日：2013-08-22

    申请号：US13769199

    申请日：2013-02-15

    Applicant: Kyocera Document Solutions Inc.

    Inventor： Noriaki FURUKAWA ,  Susumu HIROSHIMA ,  Takashi SOMETE ,  Yasuko TAKAORI

    IPC: C09D11/00

    CPC classification number: C09D11/36 ,  C09D11/322 ,  C09D11/38

    Abstract: An ink for ink-jet recording apparatuses includes water, a pigment dispersion, an organic solvent, and a humectant. The pigment dispersion includes a pigment and a resin having a weight average molecular weight of from 35,000 to 140,000. An adsorbed resin proportion determined from the mass of a total amount of resin in the ink and the amount of resin separated from pigment among the resin is at least 0.97. And, the ink contains from 3% to 15% by mass of C1-C4 monoalkyl ether of polyhydric alcohol based on the mass of the ink as the organic solvent.

    Abstract translation: 用于喷墨记录装置的油墨包括水，颜料分散体，有机溶剂和湿润剂。 颜料分散体包含重均分子量为35,000〜14万的颜料和树脂。 从油墨中树脂总量的质量和树脂中与颜料分离的树脂量确定的吸附树脂比例为至少0.97。 另外，油墨含有3质量％〜15质量％的作为有机溶剂的油墨质量的多元醇的C1〜C4单烷基醚。

    INKJET RECORDING APPARATUS
    9.
    发明申请
    INKJET RECORDING APPARATUS 有权

    公开(公告)号：US20250010631A1

    公开(公告)日：2025-01-09

    申请号：US18763345

    申请日：2024-07-03

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Yasuko TAKAORI

    IPC: B41J2/18 ,  B41J2/175 ,  B41M5/52 ,  C09D11/322 ,  C09D11/40

    Abstract: An inkjet recording apparatus includes an ink, a circulation type recording head, a damper member that supplies the ink to the circulation type recording head, and an ink supply unit that supplies the ink to the damper member. The circulation type recording head ejects to a recording medium at least a portion of the ink supplied from the damper member and discharges the rest of the ink to the ink supply unit. The ink supply unit includes a relief mechanism. The relief mechanism adjusts the pressure of the ink supplied to the damper member to a level no greater than a predetermined value. The ink contains a pigment, binder resin particles, and an aqueous medium. The binder resin particles have a zeta potential of at least −60.0 mV and no greater than −45.0 mV.

    INKJET INK SET AND INKJET RECORDING APPARATUS
    10.
    发明申请
    INKJET INK SET AND INKJET RECORDING APPARATUS 有权

    公开(公告)号：US20250002742A1

    公开(公告)日：2025-01-02

    申请号：US18753519

    申请日：2024-06-25

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Yasuko TAKAORI

    IPC: C09D11/54 ,  B41J2/18 ,  B41J2/38 ,  B41J11/00 ,  C09D11/322

    Abstract: An inkjet ink set includes an undercoat liquid and one or more inkjet inks. The undercoat liquid contains first binder resin particles, a first aqueous medium, and a first surfactant. The one or more inkjet inks each contain a second pigment, second binder resin particles, a second aqueous medium, and a second surfactant. At a temperature of 20° C., a density ρ1 of the undercoat liquid and a density ρ2 of an inkjet ink of the one or more inkjet inks that has the highest density among those of the one or more inkjet inks satisfy a relationship represented by formula (1): ρ1−ρ2>0.05 g/cm3 . . . (1).

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