Patents by Inventor Warren W. Ku

Warren W. Ku 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).

  • Bioluminescent assays and bacterial strains useful therein
    Patent number: 6956113
    Abstract: The present invention relates to novel assays for assessing the degree to which a cell is metabolically active. Also provided, are mutagenicity assays and, more specifically, methods for determining whether a given agent is genotoxic. Embodiments of the assays employ a microorganism, or a mammalian cell, that has been genetically modified to produce light when the presence of test agent results in a mutation, e.g., reversion or forward, in the DNA of such microorganism or cell.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: October 18, 2005
    Assignee: Pfizer Inc.
    Inventors: Jiri Aubrecht, Warren W. Ku, Jeffery J. Osowski
  • Novel bioluminescent assays and bacterial strains useful therein
    Publication number: 20020192635
    Abstract: The present invention relates to novel assays for assessing the degree to which a cell is metabolically active. Also provided, are mutagenicity assays and, more specifically, methods for determining whether a given agent is genotoxic. Embodiments of the assays employ a microorganism, or a mammalian cell, that has been genetically modified to produce light when the presence of test agent results in a mutation, e.g., reversion or forward, in the DNA of such microorganism or cell.
    Type: Application
    Filed: December 21, 2001
    Publication date: December 19, 2002
    Inventors: Jiri Aubrecht, Warren W. Ku, Jeffery J. Osowski