Patents by Inventor Takatoshi Kuratsuji

Takatoshi Kuratsuji 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).

  • Electrically insulating material
    Patent number: 3952125
    Abstract: An electrically insulating material composed of an unstretched film of a substantially linear polyester at least 85 mol% of the recurring units of which consist of a hexamethylene naphthalene-2,6-dicarboxylate unit and which has an intrinsic viscosity, as measured on its ortho-chlorophenol solution at 35.degree.C., of at least 0.3.
    Type: Grant
    Filed: August 26, 1974
    Date of Patent: April 20, 1976
    Assignee: Teijin Limited
    Inventors: Takatoshi Kuratsuji, Hiroo Shima, Takeo Shima, Shoji Kawase, Sakae Shimotsuma, Masahiro Hosoi