Patents by Inventor Kei Kuroda

Kei Kuroda 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).

  • Mobile communication terminal, mobile communication system, and roaming connection method
    Patent number: 7480507
    Abstract: When a cell phone attempts a roaming connection, it is connected to a roamed mobile communication network, without need for user's effort to perform a connection operation. When a home mobile communication network managed by a telecommunications carrier in contract with the user of the cell phone receives location registration information indicating that the cell phone has registered a location with the roamed mobile communication network, it transmits to the cell phone, priority access point information containing information about roamed mobile communication networks providing a packet communication service. The cell phone searches the roamed mobile communication networks and requests location registration with a roamed mobile communication network contained in the access point information received from the home mobile communication network.
    Type: Grant
    Filed: December 12, 2005
    Date of Patent: January 20, 2009
    Assignee: NTT DoCoMo, Inc.
    Inventor: Kei Kuroda
  • Mobile communication terminal, mobile communication system, and roaming connection method
    Publication number: 20060178144
    Abstract: When a cell phone attempts a roaming connection, it is connected to a roamed mobile communication network, without need for user's effort to perform a connection operation. When a home mobile communication network managed by a telecommunications carrier in contract with the user of the cell phone receives location registration information indicating that the cell phone has registered a location with the roamed mobile communication network, it transmits to the cell phone, priority access point information containing information about roamed mobile communication networks providing a packet communication service. The cell phone searches the roamed mobile communication networks and requests location registration with a roamed mobile communication network contained in the access point information received from the home mobile communication network.
    Type: Application
    Filed: December 12, 2005
    Publication date: August 10, 2006
    Applicant: NTT DoCoMo, Inc.
    Inventor: Kei Kuroda