Patents by Inventor Than Van Do

Than Van Do 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).

  • Sat back channel security solution
    Patent number: 6795924
    Abstract: The present invention relates to a method and an arrangement for performing secure transactions during an information dialogue between a mobile terminal and a WAP server in a mobile network. The dialogue is made by using USSD. According to the invention there is provided a SAT application on the SIM card of the terminal that signs and encrypts data which are to be transferred in a secure way.
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: September 21, 2004
    Assignee: Telefonaktiebolaget LM Ericsson
    Inventors: Johan Kiessling, Than Van Do