Patents by Inventor Osamu Yokono

Osamu Yokono 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).

  • Transfusion filtering device
    Patent number: 5221474
    Abstract: A transfusion filtering device for preventing foreign matters from entering into a human body. This transfusion fiber comprises a cylindrical housing, hydrophilic porous hollow fibers disposed in the housing in parallel with the axis of the housing, and hydrophobic porous hollow fibers disposed in the housing along the inner wall of the housing, the upper ends of the hydrophobic porous hollow fibers being exposed to the outer atmosphere so as to discharge air accumulated in the housing.
    Type: Grant
    Filed: December 24, 1991
    Date of Patent: June 22, 1993
    Assignee: Terumo Kabushiki Kaisha
    Inventors: Osamu Yokono, Shinsuke Yokomachi
  • Medical tube fastener
    Patent number: D318123
    Type: Grant
    Filed: January 9, 1989
    Date of Patent: July 9, 1991
    Assignee: Terumo Kabushiki Kaisha
    Inventors: Katsuji Yokoyama, Osamu Yokono