Patents by Inventor Shinichi Aotsuka

Shinichi Aotsuka 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).

  • Autoantibody adsorbent and apparatus for removing autoantibodies using the same
    Patent number: 5258503
    Abstract: An adsorbent for an autoantibody or immune complex produced by combining an autoantibody with its homologous antigen, which comprises a water-insoluble porous material and a compound having an anionic functional group immobilized onto said material, an apparatus for removing an autoantibody or immune complex thereof using the above-mentioned adsorbent and a method for removing an autoantibody or immune complex thereof from body fluid by passing body fluid through the above-mentioned removing apparatus. According to the present invention, the autoantibody or immune complex thereof can be selectively removed from body fluid without removing useful components in body fluid.
    Type: Grant
    Filed: April 13, 1992
    Date of Patent: November 2, 1993
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Ryuichi Yokohari, Shinichi Aotsuka, Makiko Kinoshita, Takashi Funahashi, Nobutaka Tani