Patents by Inventor Timo E Sivula

Timo E Sivula 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).

  • Charging for telecommunications download services
    Patent number: 6907239
    Abstract: A method, system and computer program product for prepayment of a service includes informing the user of the availability of a plurality of different services. An indication and request of a desired service is received from the user over a first communications link. The requested service is provided to the user over a second communications link. To indicate prepayment for the service requested an authentication key is received from the user. The validity of the authentication key received is verified and the service is provided if the authentication key is valid.
    Type: Grant
    Filed: November 20, 2000
    Date of Patent: June 14, 2005
    Assignee: Nokia Mobile Phones Ltd.
    Inventor: Timo E Sivula