Patents by Inventor Nobuhiro SAWAI

Nobuhiro SAWAI 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).

  • Notification apparatus, notification system, notification method, and program
    Patent number: 9838546
    Abstract: A notification apparatus includes: an obtaining unit that obtains information on a use of a first mobile communication network when a mobile communication terminal configured to use selectively one of a first identifier and a second identifier which are assigned to the first mobile communication network and the second mobile communication network, respectively so as to perform a communication currently connects to the second mobile communication network using the second identifier; and a notifying unit that notifies the information obtained by the obtaining unit to the mobile communication terminal via the second mobile communication network.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: December 5, 2017
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazunari Suzuki, Nobuhiro Sawai, Teppei Azuma, Koutarou Nagase, Ryouhei Kurita, Daisuke Satou, Mei Hasegawa
  • Control apparatus, control method, communication system and program
    Patent number: 9661494
    Abstract: A control apparatus includes: a determination unit that determines whether identification information for identifying a mobile communication terminal in a second mobile communication network can be changed from first identification information assigned in the first mobile communication network to a second identification information assigned in the second mobile communication network, when the mobile communication terminal in which the first identification information is stored is situated in a region in which the second mobile communication network can be used and the mobile communication terminal uses the first mobile communication network via a second mobile communication network; and a notification unit that transmits a notification of a change of the identification information to a request apparatus that is connected to the second mobile communication network and is configured to request the mobile communication terminal to change the identification information, if it is determined that the identification
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: May 23, 2017
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazunari Suzuki, Koutarou Nagase, Nobuhiro Sawai, Teppei Azuma, Ryouhei Kurita
  • Notification Apparatus, Notification System, Notification Method, and Program
    Publication number: 20160182737
    Abstract: A notification apparatus includes: an obtaining unit that obtains information on a use of a first mobile communication network when a mobile communication terminal configured to use selectively one of a first identifier and a second identifier which are assigned to the first mobile communication network and the second mobile communication network, respectively so as to perform a communication currently connects to the second mobile communication network using the second identifier; and a notifying unit that notifies the information obtained by the obtaining unit to the mobile communication terminal via the second mobile communication network.
    Type: Application
    Filed: August 4, 2014
    Publication date: June 23, 2016
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazunari SUZUKI, Nobuhiro SAWAI, Teppei AZUMA, Koutarou NAGASE, Ryouhei KURITA, Daisuke SATOU, Mei HASEGAWA
  • CONTROL APPARATUS, CONTROL METHOD, COMMUNICATION SYSTEM AND PROGRAM
    Publication number: 20160135040
    Abstract: A control apparatus includes: a determination unit that determines whether identification information for identifying a mobile communication terminal in a second mobile communication network can be changed from first identification information assigned in the first mobile communication network to a second identification information assigned in the second mobile communication network, when the mobile communication terminal in which the first identification information is stored is situated in a region in which the second mobile communication network can be used and the mobile communication terminal uses the first mobile communication network via a second mobile communication network; and a notification unit that transmits a notification of a change of the identification information to a request apparatus that is connected to the second mobile communication network and is configured to request the mobile communication terminal to change the identification information, if it is determined that the identification
    Type: Application
    Filed: June 25, 2014
    Publication date: May 12, 2016
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazunari SUZUKI, Koutarou NAGASE, Nobuhiro SAWAI, Teppei AZUMA, Ryouhei KURITA