Patents by Inventor Ron Ludwig

Ron Ludwig 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).

  • Messaging and service system for mobile computer
    Patent number: 8458270
    Abstract: A service sends rich content messages including text and photos between any mobile device and potentially across a heterogeneous network. Furthermore, to enhance the user experience, content can be delivered based on personal preferences and device display capabilities.
    Type: Grant
    Filed: September 24, 2010
    Date of Patent: June 4, 2013
    Assignees: Sony Corporation, Sony Electronics Inc.
    Inventors: Samir Ismail, Tuan Tran, Jianyu Roy Zheng, Ron Ludwig
  • MESSAGING AND SERVICE SYSTEM FOR MOBILE COMPUTER
    Publication number: 20110016186
    Abstract: A service sends rich content messages including text and photos between any mobile device and potentially across a heterogeneous network. Furthermore, to enhance the user experience, content can be delivered based on personal preferences and device display capabilities.
    Type: Application
    Filed: September 24, 2010
    Publication date: January 20, 2011
    Inventors: SAMIR ISMAIL, Tuan Tran, Jianyu Roy Zheng, Ron Ludwig
  • Messaging and service system for mobile computer
    Patent number: 7860937
    Abstract: A service sends rich content messages including text and photos between any mobile device and potentially across a heterogeneous network. Furthermore, to enhance the user experience, content can be delivered based on personal preferences and device display capabilities.
    Type: Grant
    Filed: October 29, 2004
    Date of Patent: December 28, 2010
    Assignees: Sony Corporation, Sony Electronics Inc.
    Inventors: Samir Ismail, Tuan Tran, Jianyu Roy Zheng, Ron Ludwig
  • Messaging and service system for mobile computer
    Publication number: 20050114895
    Abstract: A service sends rich content messages including text and photos between any mobile device and potentially across a heterogeneous network. Furthermore, to enhance the user experience, content can be delivered based on personal preferences and device display capabilities.
    Type: Application
    Filed: October 29, 2004
    Publication date: May 26, 2005
    Inventors: Samir Ismail, Tuan Tran, Jianyu Zheng, Ron Ludwig