Patents by Inventor Takao Tuboi

Takao Tuboi 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).

  • Heat-resistant electrically insulated wires and a method for preparing the same
    Patent number: 4342814
    Abstract: A heat-resistant electrically insulated wire has a composite coating layer of a mixture of an inorganic fine powder and an inorganic polymer on a conductor and the composite coating layer has a resinous overcoat layer thereon. The composite coating layer has not artificially been fired, but is adapted to be converted into a ceramic layer when exposed to elevated temperatures during use.
    Type: Grant
    Filed: December 5, 1979
    Date of Patent: August 3, 1982
    Assignee: The Fujikura Cable Works, Ltd.
    Inventors: Takayoshi Usuki, Yukio Endo, Kichizo Ito, Takao Tuboi, Shin Kubota