Patents by Inventor Johnson Lien

Johnson Lien 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).

  • Pressure gauge measuring multiple pressure values
    Patent number: 7004032
    Abstract: A method for measuring multiple pressures by a single gauge (6) for simultaneously measuring separate pressures by respective pressure sensing elements (7, 8); and simultaneously indicating measurements of the separate pressures by respective pointers (11, 12) along a single gradient scale (14).
    Type: Grant
    Filed: August 8, 2003
    Date of Patent: February 28, 2006
    Assignee: Taiwan Semiconductor Manufacturing Company
    Inventors: Johnson Lien, Cheng Chun Chung
  • Pressure gauge measuring multiple pressure values
    Publication number: 20050028597
    Abstract: A method for measuring multiple pressures by a single gauge (6) for simultaneously measuring separate pressures by respective pressure sensing elements (7, 8); and simultaneously indicating measurements of the separate pressures by respective pointers (11, 12) along a single gradient scale (14).
    Type: Application
    Filed: August 8, 2003
    Publication date: February 10, 2005
    Inventors: Johnson Lien, Cheng Chung