Patents by Inventor Yuzo Ezaki

Yuzo Ezaki 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).

  • Puncture resistant medical material
    Patent number: 5904967
    Abstract: A highly puncture resistant, biocompatible medical material is provided. The medical material may be used for a dialysis graft or an artificial blood vessel. The medical material has a puncture resistant layer comprising a resin prepared by mixing 100 parts by weight of a styrene elastomer and/or an olefin elastomer, and at least 20 parts by weight of an isoprene derivative.
    Type: Grant
    Filed: April 25, 1996
    Date of Patent: May 18, 1999
    Assignee: Terumo Kabushiki Kaisha
    Inventors: Yuzo Ezaki, Yuuki Kobarai, Takahiro Tanigawa, Kouichi Fujita
  • Antithrombic medical material, artificial internal organ, and method for production of antithrombic medical material
    Patent number: 5298255
    Abstract: An antithrombic medical material, having superposed on the surface of a substrate formed of a polymer material a polymerized protein substantially free at least from erythrocyte and leukocyte, a medical device using the same, and a method for production of the antithrombic medical material.
    Type: Grant
    Filed: August 14, 1991
    Date of Patent: March 29, 1994
    Assignee: Terumo Kabushiki Kaisha
    Inventors: Jiro Sawamoto, Yoshihito Takano, Yuzo Ezaki