Patents by Inventor Chih-An Wei

Chih-An Wei 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: 8190377
    Abstract: Rail inspection is discussed that employs a monitor vehicle running on one or more tracks of a rail system that performs physical rail inspection in combination with monitoring and analysis of other system parameters that accompany the physical rail.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: May 29, 2012
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Chieh Fu, Ming Wang, Chih-An Wei, Kevin Hsu
  • Publication number: 20090132179
    Abstract: Rail inspection is discussed that employs a monitor vehicle running on one or more tracks of a rail system that performs physical rail inspection in combination with monitoring and analysis of other system parameters that accompany the physical rail.
    Type: Application
    Filed: November 15, 2007
    Publication date: May 21, 2009
    Inventors: Chih-Chieh Fu, Ming Wang, Chih-An Wei, Kevin Hsu