Patents by Inventor Toshinari Asaka

Toshinari Asaka 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).

  • Implanting stent
    Patent number: 6200337
    Abstract: A stent in the form of a generally tubular member has a diameter allowing for insertion into a body passageway and is radially expandable upon application of an outward force. A series of annular units are axially arranged to construct the stent. Each annular unit includes a plurality of generally ellipsoidal or polygonal elements equiangularly arranged around the stent axis, the elements being axially elongate and having a center opening. A tie member connects opposed ends of adjacent elements. Adjacent annular units are interconnected at their tie members by a connecting member.
    Type: Grant
    Filed: November 18, 1998
    Date of Patent: March 13, 2001
    Assignee: Terumo Kabushiki Kaisha
    Inventors: Yousuke Moriuchi, Toshinari Asaka, Masakiyo Nobuyoshi
  • Expandable stent for implanting in a body
    Patent number: 5879381
    Abstract: A stent in the form of a generally tubular member has a diameter allowing for insertion into a body passageway and is radially expandable upon application of an outward force. A series of annular units are axially arranged to construct the stent. Each annular unit includes a plurality of generally ellipsoidal or polygonal elements equiangularly arranged around the stent axis, the elements being axially elongate and having a center opening. A tie member connects opposed ends of adjacent elements. Adjacent annular units are interconnected at their tie members by a connecting member.
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: March 9, 1999
    Assignee: Terumo Kabushiki Kaisha
    Inventors: Yousuke Moriuchi, Toshinari Asaka, Masakiyo Nobuyoshi