Patents by Inventor Kai Licha

Kai Licha 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).

  • In-vivo diagnostic method by near infrared radiation
    Patent number: 6258340
    Abstract: This invention relates to a in-vivo diagnostic method based on near infrared ra ation (NIR radiation) that uses water-soluble dyes and their biomolecule adducts, each having specific photophysical and pharmaco-chemical properties, as a contrast medium for fluorescence and transillumination diagnostics in the NIR range, to new dyes and pharmaceuticals containing such dyes.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: July 10, 2001
    Assignees: Institut fur Diagnostikforschung GmbH, der Freien Universitat Berlin
    Inventors: Kai Licha, Björn Riefke, Wolfhard Semmler, Ulrich Speck, Christoph-Stephan Hilger
  • Near infrared radiation in-vivo diagnostic methods and dyes
    Patent number: 6083485
    Abstract: This invention relates to an in-vivo diagnostic method based on near infrared radiation (NIR radiation) that uses water-soluble dyes and their biomolecule adducts, each having specific photophysical and pharmaco-chemical properties, as a contrast medium for fluorescence and transillumination diagnostics in the NIR range, to new dyes and pharmaceuticals containing such dyes.
    Type: Grant
    Filed: November 7, 1997
    Date of Patent: July 4, 2000
    Assignees: Institut fur Diagnostikforschung GmbH, der Freien Universitat Berlin
    Inventors: Kai Licha, Bjorn Riefke, Wolfhard Semmler, Ulrich Speck, Christoph-Stephan Hilger