Patents by Inventor Tomohide Asai

Tomohide Asai 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).

  • Immunoassay of PIVKA-II
    Patent number: 6893831
    Abstract: The present invention provides an immunoassay for specifically measuring with high sensitivity PIVKA-II in serum or plasma through antigen-antibody reaction by adding an animal serum containing thrombin and/or an antibody reacting with human fibrin-like related substances to the reagents. The immunoassay of the invention comprises the steps of adding thrombin and/or an antibody reacting with human fibrin-like related substances to the reagents, and measuring PIVKA-II in serum or plasma.
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: May 17, 2005
    Assignee: Sanko Junyaku Co., Ltd.
    Inventors: Motohito Kanashima, Tomohide Asai, Hiroki Takahashi, Yoshiyuki Asai