Patents by Inventor Osamu Yokosuka

Osamu Yokosuka 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).

  • Biomarkers of biliary tract cancer
    Patent number: 8563235
    Abstract: A method of detecting an abnormal amount of a biomarker associated with biliary tract cancer in a subject can comprise: a) quantitating an amount of a fragment of prothrombin having an m/z value of about 4204 m/z in a biological sample from the subject; and b) comparing the quantitated value obtained in (a) with a threshold value.
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: October 22, 2013
    Assignee: National University Corporation Chiba University
    Inventors: Shintaro Kikkawa, Kazuyuki Sogawa, Osamu Yokosuka, Fumio Nomura
  • Novel Biomarkers Of Biliary Tract Cancer
    Publication number: 20110108722
    Abstract: A method of detecting an abnormal amount of a biomarker associated with biliary tract cancer in a subject can comprise: a) quantitating an amount of a fragment of prothrombin having an m/z value of about 4204 m/z in a biological sample from the subject; and b) comparing the quantitated value obtained in (a) with a threshold value.
    Type: Application
    Filed: November 2, 2010
    Publication date: May 12, 2011
    Inventors: Shintaro Kikkawa, Kazuyuki Sogawa, Osamu Yokosuka, Fumio Nomura