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    METHOD FOR PRODUCING PRINTED MATTER
    1.
    发明申请
    METHOD FOR PRODUCING PRINTED MATTER 审中-公开

    公开(公告)号：US20200276850A1

    公开(公告)日：2020-09-03

    申请号：US16803618

    申请日：2020-02-27

    申请人： RISO KAGAKU CORPORATION

    发明人： Yuki URANO ,  Akiko HAYASHI ,  Takahisa YAMAZAKI ,  Mamoru FUKUDA

    IPC分类号： B41M5/00 ,  C09D11/322 ,  C09D11/38 ,  B41J2/21

    摘要： A method for producing printed matter that includes applying one of a first pretreatment liquid and a second pretreatment liquid, the other of the first pretreatment liquid and the second pretreatment liquid, and then an aqueous ink, in this order, to a recording region of a substrate using an inkjet recording apparatus, wherein the first pretreatment liquid and the second pretreatment liquid are jetted so as to land on the substrate in a fixed order, the first pretreatment liquid contains a coagulant, and the second pretreatment liquid does not contain a coagulant, but contains a penetrant.

    IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND STORAGE MEDIUM
    2.
    发明公开
    IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND STORAGE MEDIUM 审中-公开

    公开(公告)号：US20240329893A1

    公开(公告)日：2024-10-03

    申请号：US18615746

    申请日：2024-03-25

    申请人： RISO KAGAKU CORPORATION

    发明人： Takahisa YAMAZAKI ,  Yuki URANO ,  Masami IWAI

    IPC分类号： G06F3/12

    CPC分类号： G06F3/1208 ,  G06F3/1205 ,  G06F3/1255 ,  G06F3/1256

    摘要： An image processing apparatus includes a processor being configured to extract a correlation from a correlation table that indicates the correlation between a type of printing medium used for printing that uses pretreatment liquid, base ink, and color ink, an amount of the pretreatment liquid, and an amount of the base ink, and image quality and characteristic information of a printed material, and to generate a first print image based on the type of printing medium and input values of the amount of the pretreatment liquid and the amount of the base ink that have been input, and a second print image based on correction values that improve at least one of the image quality and the characteristic information more than the input values and that are the amount of the pretreatment liquid and the amount of the base ink obtained from the correlation.

    METHOD FOR PRODUCING PRINTED TEXTILE ITEM
    3.
    发明申请
    METHOD FOR PRODUCING PRINTED TEXTILE ITEM 有权

    公开(公告)号：US20220411999A1

    公开(公告)日：2022-12-29

    申请号：US17828319

    申请日：2022-05-31

    申请人： RISO KAGAKU CORPORATION

    发明人： Tetsuya SHIRAISHI ,  Akiko HAYASHI ,  Kokoro KINOE ,  Takahisa YAMAZAKI ,  Ryo SHINOTSUKA ,  Takumi MATSUDA

    IPC分类号： D06P5/30 ,  B41M5/00 ,  D06P5/00 ,  D06P1/00 ,  D06P1/673 ,  D06P1/44

    摘要： A method for producing a printed textile item is disclosed, the method including applying a pretreatment liquid containing a coagulant, water and a surfactant to a fabric, and, after the application of the pretreatment liquid, applying a white ink containing a white pigment and water to the fabric by an inkjet method, wherein a surface tension of the white ink at 0.05 Hz is within a range from 33 to 39 mN/m, a surface tension of the white ink at 10 Hz is 40 mN/m or greater, a specific gravity of the pretreatment liquid is greater than a specific gravity of the white ink, and the application of the white ink is performed within 100 seconds from the application of the pretreatment liquid and by a wet-on-wet method.

    METHOD AND APPARATUS FOR CONTROLLING INK EJECTION
    4.
    发明申请
    METHOD AND APPARATUS FOR CONTROLLING INK EJECTION 有权

    公开(公告)号：US20220410590A1

    公开(公告)日：2022-12-29

    申请号：US17837495

    申请日：2022-06-10

    申请人： RISO KAGAKU CORPORATION

    发明人： Takahisa YAMAZAKI

    IPC分类号： B41J11/00 ,  B41J2/145

    摘要： An inkjet printing apparatus includes: a first and a third head that ejects ink onto a print medium to form a printed image; a second head that coats the print medium with a treatment agent that contains a coagulant that coagulates ink; and a control unit that performs a two step ink ejection control process to control the first through third heads such that ink is ejected onto the print medium until a printing rate in a predetermined region of the print medium reaches a threshold value which is set in advance, coats the treatment agent thereafter, and then ejects ink according to a remaining printing rate after the treatment agent is coated.