Patents by Inventor Christiaan J. Brand

Christiaan J. Brand 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).

  • Identifying a mobile computing device
    Patent number: 9942757
    Abstract: A mobile computing device, such as a cellular telephone or cellular network capable tablet or PDA, can be identified by a phone number associated with the mobile computing device. A mobile computing device can include a Subscriber Identity Module (SIM) card that can be used to identify the mobile computing device and to connect the mobile computing device to a communications network operated by the communications carrier or another communications carrier. The SIM card can include memory for storing an International Mobile Subscriber Identity (IMSI). The IMSI can be used to identify the mobile computing device. A computing system can use the IMSI to request device authentication values and/or a phone number for the mobile computing device from a carrier associated with the mobile computing device.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: April 10, 2018
    Assignee: Google Inc.
    Inventors: Christiaan J. Brand, Alexei Czeskis
  • Identifying a Mobile Computing Device
    Publication number: 20170208463
    Abstract: A mobile computing device, such as a cellular telephone or cellular network capable tablet or PDA, can be identified by a phone number associated with the mobile computing device. A mobile computing device can include a Subscriber Identity Module (SIM) card that can be used to identify the mobile computing device and to connect the mobile computing device to a communications network operated by the communications carrier or another communications carrier. The SIM card can include memory for storing an International Mobile Subscriber Identity (IMSI). The IMSI can be used to identify the mobile computing device. A computing system can use the IMSI to request device authentication values and/or a phone number for the mobile computing device from a carrier associated with the mobile computing device.
    Type: Application
    Filed: January 19, 2016
    Publication date: July 20, 2017
    Inventors: Christiaan J. Brand, Alexei Czeskis