Patents by Inventor Akio Sugitachi

Akio Sugitachi 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).

  • Preparation of antithrombogenic polymeric materials
    Patent number: 4273873
    Abstract: Antithrombogenic polymeric materials are prepared by bonding a synthetic fibrinolytic compound or a combination of a synthetic fibrinolytic compound and a fibrinolytic enzyme to a polymeric material. Bonding is preferably by covalent or ionic bonding. The antithrombogenic polymeric materials are useful for preparing various types of medical articles that come into contact with blood.
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: June 16, 1981
    Assignee: Unitika Ltd.
    Inventors: Akio Sugitachi, Kunihiko Takagi, Yasunori Yabushita
  • Material for wound healing
    Patent number: 4265233
    Abstract: A wound healing material having blood coagulation Factor XIII fixed thereto. This material promotes the formation of stabilized fibrin at a wound site and is effective for a long period of time, thereby protecting the wound and promoting its healing.
    Type: Grant
    Filed: April 6, 1979
    Date of Patent: May 5, 1981
    Assignee: Unitika Ltd.
    Inventors: Akio Sugitachi, Kunihiko Takagi, Yasunori Yabushita