Patents by Inventor Hiraku Kubo

Hiraku Kubo 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).

  • COLORING MATERIAL AND METHOD FOR PRODUCING COLORING MATERIAL
    Publication number: 20190350234
    Abstract: A coloring material including a protein-based pigment and a chelating agent, the content of the protein-based pigment in the coloring material being 1% by mass or more and 90% by mass or less, the content of the chelating agent in the coloring material being 10% by mass or more and 99% by mass or less, with the content of solid components in the coloring material being 100% by mass. A method for producing the coloring material, the method including a drying step in which a pigment composition including a protein-based pigment, a chelating agent, and a solvent is dried.
    Type: Application
    Filed: June 20, 2017
    Publication date: November 21, 2019
    Applicant: DIC Corporation
    Inventors: Yasunori Mizushima, Hiraku Kubo