Patents by Inventor Noriyuki Hosoya

Noriyuki Hosoya 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).

  • Dialyzer with a constricted part made of a material capable of swelled by dializing liquid
    Patent number: 5700372
    Abstract: A dialyzer provided in a cylindrical housing with a bundle of hollow fiber membranes and first flow paths and second flow paths separated from each other by said hollow fiber membranes and allowed to effect dialysis and ultrafiltration through the medium of said hollow fiber membranes between a body liquid flowing through said first flow paths and a dialyzing liquid flowing through said second flow paths, characterized in that a constricted part is formed halfway in the length of said second flow paths with a material capable of being swelled by said dialyzing liquid so as to confer a difference of pressure on said dialyzing liquid on the upstream side and the downstream side of said dialyzing liquid relative to said constricted part.
    Type: Grant
    Filed: September 1, 1995
    Date of Patent: December 23, 1997
    Assignee: Terumo Kabushiki Kaisha
    Inventors: Shingo Takesawa, Noriyuki Hosoya, Masatomi Sasaki