Patents by Inventor Ichizo Okata

Ichizo Okata 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).

  • Stent
    Patent number: 6027527
    Abstract: A stent having a cylindrical shape includes frame-like unexpandable portions incapable of being expanded in a circumferential direction, and frame-like expandable portions capable of being expanded in the circumferential direction. The unexpandable portions and the expandable portions are alternately connected together in the circumferential direction.
    Type: Grant
    Filed: December 5, 1997
    Date of Patent: February 22, 2000
    Assignee: Piolax Inc.
    Inventors: Hiroyuki Asano, Ichizo Okata