Patents by Inventor Weinong Chen

Weinong Chen 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).

  • Sub-diffraction limit resolution in microscopy
    Patent number: 7193774
    Abstract: A method and apparatus for visualizing sub-micron size particles employs a polarizing microscope wherein a focused beam of polarized light is projected onto a target, and a portion of the illuminating light is blocked from reaching the specimen, whereby to produce a shadow region, and projecting diffracted light from the target onto the shadow region.
    Type: Grant
    Filed: December 1, 2004
    Date of Patent: March 20, 2007
    Assignee: The Arizona Board of Regents on Behalf of the University of Arizona
    Inventors: Ming Cheng, Weinong Chen
  • Sub-diffraction limit resolution in microscopy
    Publication number: 20050117206
    Abstract: A method and apparatus for visualizing sub-micron size particles employs a polarizing microscope wherein a focused beam of polarized light is projected onto a target, and a portion of the illuminating light is blocked from reaching the specimen, whereby to produce a shadow region, and projecting diffracted light from the target onto the shadow region.
    Type: Application
    Filed: December 1, 2004
    Publication date: June 2, 2005
    Inventors: Ming Cheng, Weinong Chen