Patents by Inventor Kazuto KOIZUMI

Kazuto KOIZUMI 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).

  • Patent number: 9712946
    Abstract: In a terminal connection control method for a system having a plurality of centers, the plurality of centers include a first center for initial connection and a plurality of second centers, the first center includes information of the plurality of second centers, destination information of the first center and information of a terminal are previously stored in the terminal, when the terminal requires the system for connection, the terminal requires the first center for connection based on the destination information of the first center, and sends the terminal information to the first center, the first center selects, from the plurality of second centers, a destination of the terminal which sends connection requirement based on information received from the terminal and based on information of the second centers, and the first center sends the destination information of the selected second center to the terminal which sends the connection requirement.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: July 18, 2017
    Assignee: Hitachi, Ltd.
    Inventors: Kazuto Koizumi, Tomoichi Yamagishi
  • Publication number: 20150117457
    Abstract: In a terminal connection control method for a system having a plurality of centers, the plurality of centers include a first center for initial connection and a plurality of second centers, the first center includes information of the plurality of second centers, destination information of the first center and information of a terminal are previously stored in the terminal, when the terminal requires the system for connection, the terminal requires the first center for connection based on the destination information of the first center, and sends the terminal information to the first center, the first center selects, from the plurality of second centers, a destination of the terminal which sends connection requirement based on information received from the terminal and based on information of the second centers, and the first center sends the destination information of the selected second center to the terminal which sends the connection requirement.
    Type: Application
    Filed: October 20, 2014
    Publication date: April 30, 2015
    Inventors: Kazuto KOIZUMI, Tomoichi YAMAGISHI