Patents by Inventor Roy A. Johanson

Roy A. Johanson 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).

  • Protein profiling for premalignant tissue
    Patent number: 8198019
    Abstract: The present invention is a method for early detection of cancer including the steps of identifying tissue from asymptomatic individuals, gathering a substantially homogenous cell population from the tissue by laser capture microdissection (LCM), analyzing the cell population with mass spectrometry and identifying predetermined peaks in the mass spectrometry associated with an overexpression of proteins in premalignant and malignant cells.
    Type: Grant
    Filed: April 3, 2003
    Date of Patent: June 12, 2012
    Assignees: University of South Florida, Ciphergen Biosystems, Inc.
    Inventors: Tatyana A. Zhukov, Melvyn S. Tockman, Roy A. Johanson