Patents by Inventor Norikazu Ishigohoka

Norikazu Ishigohoka 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).

  • Patent number: 4423282
    Abstract: An improved flat cable in which parallel, spaced conductors are embedded in an expanded, porous polytetrafluoroethylene insulation and then placed between layers of polytetrafluoroethylene having a higher dielectric constant than the porous insulation. The dielectric constant between conductors can be varied.
    Type: Grant
    Filed: June 29, 1981
    Date of Patent: December 27, 1983
    Inventors: Hirosuke Suzuki, Norikazu Ishigohoka