Patents by Inventor Valen E. Johnson

Valen E. Johnson 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).

  • Patent number: 6993173
    Abstract: Methods, systems, and computer program products for estimating the location of a probe cell in an image of a high-density microarray DNA chip interrogate a plurality of different closely spaced estimated locations to identify the most likely estimated location of the probe cell in the image.
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: January 31, 2006
    Assignee: Duke University
    Inventors: Harry Zuzan, Valen E. Johnson
  • Publication number: 20030087289
    Abstract: Methods, systems, and computer program products for analyzing images of high density microarray chips analyze the image by estimating background using a blurring kernel and/or a spatial multivariate statistical model of the background. The methods, systems, and computer program products can employ a multivariate statistical model and/or a blurring kernel to obtain more representative hybridization intensity results, particularly for pixels in boundary regions of the probe cells. The methods allow for alternative microarray configurations of nucleic acid probes and do not require the use of mismatch probes and can be independent of the type of nucleotide sequence used. Associated microarrays and systems are also described.
    Type: Application
    Filed: September 30, 2002
    Publication date: May 8, 2003
    Inventors: Harry Zuzan, Valen E. Johnson
  • Publication number: 20030073896
    Abstract: Methods, systems, and computer program products for estimating the location of a probe cell in an image of a high-density microarray DNA chip interrogate a plurality of different closely spaced estimated locations to identify the most likely estimated location of the probe cell in the image.
    Type: Application
    Filed: September 30, 2002
    Publication date: April 17, 2003
    Inventors: Harry Zuzan, Valen E. Johnson