Patents by Inventor Chang-Bai Son

Chang-Bai Son 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).

  • Battery pack having a dual-type smart card interface
    Patent number: 7418272
    Abstract: The invention relates to a battery pack having a dual-type smart card interface. In one embodiment, a battery pack is connectable to a mobile communication terminal having at least one contact for a power supply and at least one contact for communication with the mobile communication terminal.
    Type: Grant
    Filed: February 11, 2005
    Date of Patent: August 26, 2008
    Assignee: Info Trust, Inc.
    Inventor: Chang-Bai Son
  • Battery pack having a dual-type smart card interface
    Publication number: 20050197169
    Abstract: The invention relates to a battery pack having a dual-type smart card interface. In one embodiment, a battery pack is connectable to a mobile communication terminal having at least one contact for a power supply and at least one contact for communication with the mobile communication terminal.
    Type: Application
    Filed: February 11, 2005
    Publication date: September 8, 2005
    Inventor: Chang-Bai Son