Patents by Inventor Toshisaburo Oga

Toshisaburo Oga 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).

  • Tubular organic prosthesis
    Patent number: 4306318
    Abstract: A tubular organic prosthesis comprising a porous tubing of polytetrafluoroethylene and elastic fibers provided helically on its outside surface.
    Type: Grant
    Filed: October 12, 1979
    Date of Patent: December 22, 1981
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Hiroshi Mano, Toshisaburo Oga
  • Tubular organic prosthesis
    Patent number: RE31618
    Abstract: A tubular organic prosthesis comprising a porous tubing of polytetrafluoroethylene and elastic fibers provided helically on its outside surface.
    Type: Grant
    Filed: April 19, 1982
    Date of Patent: July 3, 1984
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Hiroshi Mano, Toshisaburo Oga