Patents by Inventor Kajio Matsuoka

Kajio Matsuoka 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).

  • Pressure-sensitive electric conductive sheet material
    Patent number: 4258100
    Abstract: Pressure-sensitive electric conductive sheet material is provided, which comprises at least one layer of a rubbery elastic material wherein are substantially uniformly distributed fine particles of electric conductive metal.
    Type: Grant
    Filed: September 6, 1978
    Date of Patent: March 24, 1981
    Assignee: Kabushiki Kaisha Kyowa
    Inventors: Takeo Fujitani, Kajio Matsuoka