Patents by Inventor Tsuyoshi Katakura

Tsuyoshi Katakura 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).

  • Resin composition
    Patent number: 12428545
    Abstract: The resin composition of the present invention comprises 40 to 98 parts by mass of a modified starch (A), 2 to 60 parts by mass of a polyvinyl alcohol (B) having a degree of saponification of 75.0 mol % or more, and optionally a clay (C), wherein the total content of the (A), (B) and (C) is 100 parts by mass, and the peak temperature of tan ? in measurement of dynamic viscoelasticity in a range of 20° C. to 150° C. is 128° C. or lower.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: September 30, 2025
    Assignee: Plantic Technologies Ltd.
    Inventors: Masahiko Ota, Akihiro Kotaka, Tsuyoshi Katakura
  • Resin Composition
    Publication number: 20230167277
    Abstract: The resin composition of the present invention comprises 40 to 98 parts by mass of a modified starch (A), 2 to 60 parts by mass of a polyvinyl alcohol (B) having a degree of saponification of 75.0 mol% or more, and optionally a clay (C), wherein the total content of the (A), (B) and (C) is 100 parts by mass, and the peak temperature of tan ? in measurement of dynamic viscoelasticity in a range of 20° C. to 150° C. is 128° C. or lower.
    Type: Application
    Filed: April 28, 2021
    Publication date: June 1, 2023
    Applicant: Plantic Technologies Ltd.
    Inventors: Masahiko Ota, Akihiro Kotaka, Tsuyoshi Katakura