Patents by Inventor Yuusuke OKAZAKI

Yuusuke OKAZAKI 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).

  • Location information registration method and mobile communication terminal
    Patent number: 9480041
    Abstract: Location information of a mobile communication terminal is registered promptly. When the mobile communication terminal receives a first location registration response signal, in which a predefined value indicative of a cause of rejecting the registration of the location information is set, the mobile communication terminal transmits a location registration request signal to a second mobile communication network when there is the second mobile communication network over which the mobile communication terminal can communicate, based on the predefined value. When it is determined that there is not the second mobile communication network or the location registration of the mobile communication terminal in the second mobile communication network is not completed, the mobile communication terminal carries out a first location registration operation of retransmitting the location registration request signal to the first mobile communication network.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: October 25, 2016
    Assignee: NTT DOCOMO, INC.
    Inventors: Keiji Machida, Itsuma Tanaka, Yuusuke Okazaki, Kazuo Sugiyama
  • LOCATION INFORMATION REGISTRATION METHOD AND MOBILE COMMUNICATION TERMINAL
    Publication number: 20160150495
    Abstract: Location information of a mobile communication terminal is registered promptly. When the mobile communication terminal receives a first location registration response signal, in which a predefined value indicative of a cause of rejecting the registration of the location information is set, the mobile communication terminal transmits a location registration request signal to a second mobile communication network when there is the second mobile communication network over which the mobile communication terminal can communicate, based on the predefined value. When it is determined that there is not the second mobile communication network or the location registration of the mobile communication terminal in the second mobile communication network is not completed, the mobile communication terminal carries out a first location registration operation of retransmitting the location registration request signal to the first mobile communication network.
    Type: Application
    Filed: May 29, 2014
    Publication date: May 26, 2016
    Applicant: NTT DOCOMO, INC.
    Inventors: Keiji MACHIDA, Itsuma TANAKA, Yuusuke OKAZAKI, Kazuo SUGIYAMA