Patents by Inventor Hsien Tseng

Hsien Tseng 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).

  • Multi- frequency antenna suitably working in different wireless networks
    Publication number: 20080030407
    Abstract: A multi-frequency antenna includes a first antenna (1) and a second antenna (2) both operating at wireless wide area network, a third antenna (3) and a fourth antenna (4) both operating at wireless local area network. The first antenna, the second antenna, the third antenna and the fourth antenna are integrally made from a metal sheet and have a common grounding portion (50). The first and the second antennas have a first connecting portion (12) on which a feeding point (120) is located, and the third and the fourth antenna have a second connecting portion (34) on which another feeding point (340) is located.
    Type: Application
    Filed: October 2, 2007
    Publication date: February 7, 2008
    Inventors: Chen Hung, Hsien Tseng, Lung Tai, Shu Wang
  • Electroporation-mediated transfection of the salivary gland
    Publication number: 20030198625
    Abstract: The present invention is directed toward a method of enhancing transfection efficiency by administering a nucleic acid to a salivary gland and electroporating the salivary gland.
    Type: Application
    Filed: April 19, 2002
    Publication date: October 23, 2003
    Applicant: Genteric, Inc.
    Inventors: Hsien Tseng, Michael J. Bennett, Stephan S. Rothman