Patents by Inventor Toshiki Aono

Toshiki Aono 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).

  • Surface coated gasket sheet
    Patent number: 4620995
    Abstract: Tough heat- and corrosion-resistant films of polytetrafluoroethylene (PTFE) are baked onto the surfaces of sheet-type gaskets in a curtain coating process. The gasket to be coated is passed through a flow of liquid PTFE-resin containing composition, the gasket inverted end-for-end, the opposite side coated, then baked, to form a tough film.
    Type: Grant
    Filed: June 28, 1985
    Date of Patent: November 4, 1986
    Assignee: Marusan Packing Manufacturing Co.
    Inventors: Nobuyuki Otomo, Hiroaki Chiba, Tsuneo Uno, Toshiki Aono, Kozo Suzuki