Patents by Inventor Toshiya Nishibe

Toshiya Nishibe 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).

  • Prosthesis for blood vessel
    Patent number: 6689160
    Abstract: A prosthesis for a blood vessel, which is an expanded porous polytetrafluoroethylene tube having a fine fibrous structure with nodes connected to each other by fibrils. The average fibril length is at least 40 &mgr;m, and the tube has a porosity of at least 70%. The load required for compressing the tube by 10% in its axial direction at a strain rate of 100%/min is at least 10 gf. The resistant force per unit sectional area of the tube produced upon the 10% compression is at least 1.0 gf/mm2.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: February 10, 2004
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Yasuhiro Okuda, Koichiro Natori, Fumihiro Hayashi, Toshihiko Kumada, Toshiya Nishibe, Hidehiko Miura