Patents by Inventor Dan Sjogren

Dan Sjogren 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).

  • Publication number: 20110209061
    Abstract: A method for playing back audio files with an audio reproduction device and an audio reproduction device are described.
    Type: Application
    Filed: February 19, 2010
    Publication date: August 25, 2011
    Applicant: SONY ERICSSON MOBILE COMMUNICATIONS AB
    Inventors: Carolina Burris, Johanna Ramström, Dan Sjögren
  • Publication number: 20070232279
    Abstract: A communication device sends a message to a server requesting a list of call center telephone numbers. The communication device receives the list of call center telephone numbers from the server and provides the list to a user.
    Type: Application
    Filed: March 28, 2006
    Publication date: October 4, 2007
    Inventors: Dan Sjogren, Anders Fridlund