Patents by Inventor Dian Y. Lee

Dian Y. Lee 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).

  • Apparatus And Methods For Controlling Flow In Liquid Chromatography
    Publication number: 20080092639
    Abstract: The present invention provides apparatus and methods for controlling liquid chromatography flow, while preserving optimum separation of analyte components and providing a longer time for detector analysis to simultaneously increase detection sensitivity and resolution.
    Type: Application
    Filed: October 19, 2006
    Publication date: April 24, 2008
    Inventor: Dian Y. Lee
  • Methods and apparatus for detection of radioactivity in liquid samples
    Patent number: 6546786
    Abstract: Methods and devices for stop flow detection and measurement of radioactivity in liquid samples are provided. In some embodiments, the invention includes precise positioning of fractions within a flow cell detection area. Novel flow cells and methods providing for flushing samples with gas are also provided.
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: April 15, 2003
    Inventor: Dian Y. Lee
  • Methods and apparatus for detection of radioactivity in liquid samples
    Publication number: 20020029619
    Abstract: Methods and devices for stop flow detection and measurement of radioactivity in liquid samples are provided. In some embodiments, the invention includes precise positioning of fractions within a flow cell detection area. Novel flow cells and methods providing for flushing samples with gas are also provided.
    Type: Application
    Filed: March 28, 2001
    Publication date: March 14, 2002
    Inventor: Dian Y. Lee