Patents by Inventor Sam Woo

Sam Woo 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).

  • 4,7-dichlorofluorescein dyes as molecular probes
    Patent number: 5188934
    Abstract: Long wavelength, narrow emission bandwidth fluorecein dyes are provided for detecting spacially overlapping target substances. The dyes comprise 4,7-dichlorofluoresceins, and particularly 1',2',7',8'-dibenzo-4,7-dichlorofluoresceins. Methods of using the dyes in automated DNA sequencing are described.
    Type: Grant
    Filed: November 14, 1989
    Date of Patent: February 23, 1993
    Assignee: Applied Biosystems, Inc.
    Inventors: Steven M. Menchen, Linda G. Lee, Charles R. Connell, N. Davis Hershey, Vergine Chakerian, Sam Woo, Steven Fung
  • Screen encore method for a VTR
    Patent number: 5047878
    Abstract: There is disclosed a screen encore method capable of re-playing the exact portion to be watched again by using a counter module.
    Type: Grant
    Filed: September 25, 1989
    Date of Patent: September 10, 1991
    Assignee: SamSung Electronics Co., Ltd.
    Inventor: Jong-Sam Woo