Patents by Inventor Yuuko Fujioka

Yuuko Fujioka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • INK COMPOSITION, INK JET RECORDING METHOD USING SAME, AND METHOD FOR PRODUCING PRINTED MATTER
    Publication number: 20220145103
    Abstract: Provided is an ink composition to be used on a leather substrate, wherein the ink composition is capable of forming an ink film having more abrasion resistance and flexibility and forming a clearer image. An ink composition to be used on a leather substrate that contains at least a coloring material, a resin, and an organic solvent, does not contain water, and the organic solvent contains a solvent represented by general formula (1). R1—(OR2)n—O—R3??(1) n: integer of from 1 to 4, R1: C1-8 optionally branched alkyl group, R2: C1-4 optionally branched alkylene group, R3: hydrogen or C1-4 optionally branched alkyl group.
    Type: Application
    Filed: March 17, 2020
    Publication date: May 12, 2022
    Applicant: DNP Fine Chemicals Co., Ltd.
    Inventors: Fumie Yamazaki, Naoki Shiraishi, Kentaro Otomo, Yuuko Fujioka