Patents by Inventor Mitsuo Takaya

Mitsuo Takaya 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: 5175214
    Abstract: The invention relates to a pressure-sensitive conductive elastomer compound which exhibits high resistance (insulating performance) when it is in non-pressed condition and the resistance of which, as the compound is pressed, varies according to the magnitude of the pressure. The compound comprises a matrix material having insulating and elastomeric properties and baked and carbonized conductive spherical particles of a macromolecular material incorporated and dispersed into the matrix material. The conductivity of the conductive particles varies according to the degree of their carbonization.
    Type: Grant
    Filed: November 27, 1991
    Date of Patent: December 29, 1992
    Assignee: Nitta Industries Corporation
    Inventors: Mitsuo Takaya, Kiyotaka Inoue, Katsumi Higuchi