Patents by Inventor Kazuya Yoshijima

Kazuya Yoshijima 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).

  • Compressed asbestos sheet gasket which swells in presence of liquids
    Patent number: 4728111
    Abstract: A sheet gasket comprising a swelling sheet, a non-swelling layer laminated on the swelling sheet, and an adhesive layer coated on the surface of the non-swelling layer. This gasket is adapted to be inserted between flanges having different coefficients of thermal expansion, with the adhesive layer adhered to one of the flanges and the exposed swelling sheet adjacent to the other flange.
    Type: Grant
    Filed: November 10, 1986
    Date of Patent: March 1, 1988
    Assignees: Toyota Jidosha Kabushiki Kaisha, Asahi Asbestos Co., Ltd.
    Inventors: Kazuya Yoshijima, Tsutomu Hayakawa