Patents by Inventor Takashi Susawa

Takashi Susawa 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).

  • Method of manufacturing a device to dilate ducts in vivo
    Patent number: 5591222
    Abstract: A device for dilating ducts in vivo, comprising a balloon-tipped catheter to which a cylindrical stent prepared by knitting or braiding or weaving biodegradable fibers to easily reduce diameter of the cylinder to a predetermined value is attached in a compressed condition, method for preparing the device and a stent.
    Type: Grant
    Filed: March 28, 1994
    Date of Patent: January 7, 1997
    Inventors: Takashi Susawa, Keiji Ioaki, Hideo Tamai, Yoshihiko Shimizu, Kaneto Shiraki, Akihiro Sato