Patents by Inventor Shigeki Mukaiyama

Shigeki Mukaiyama 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).

  • Methods and systems for assigning call session control server
    Patent number: 8170005
    Abstract: The present invention provides a call session control server assignment method and system for equalizing loads of a plurality of call session control servers (S-CSCF servers). For this end, the HSS server 40 is provided with an S-CSCF selection table 41A that stores priority information indicating the order of priority at the time of assigning user equipment in response to the current operation condition of the plurality of S-CSCF servers 20, 21, 22 and the like in correspondence with the respective S-CSCF servers.
    Type: Grant
    Filed: March 18, 2008
    Date of Patent: May 1, 2012
    Assignee: NEC Corporation
    Inventors: Shigeki Mukaiyama, Keigo Murakami
  • SERVICE PROVIDING SYSTEM, FILTERING DEVICE, FILTERING METHOD AND METHOD OF CONFIRMING MESSAGE
    Publication number: 20110078283
    Abstract: A service providing system is connected to a user terminal via a network, acquires a request message described with an upper layer protocol exceeding three layers for requesting desired data and transmitted by the user terminal, and analyzes the content of a body portion of the message. In the case where unwanted information or unusual information is contained in request content, the unwanted information or the unusual information is eliminated by subjecting the request message to a predefined process.
    Type: Application
    Filed: August 12, 2008
    Publication date: March 31, 2011
    Inventors: Junichi Gokurakuji, Akira Kobayashi, Katsuhiro Ochiai, Shigeki Mukaiyama, Motonobu Kimura, Kaname Naito, Shuhei Miura, Kaori Sugiyama
  • CALL SESSION CONTROL SERVER ASSIGNMENT METHOD AND CALL SESSION CONTROL SERVER ASSIGNMENT SYSTEM
    Publication number: 20080305794
    Abstract: The present invention provides a call session control server assignment method and system for equalizing loads of a plurality of call session control servers (S-CSCF servers). For this end, the HSS server 40 is provided with an S-CSCF selection table 41A that stores priority information indicating the order of priority at the time of assigning user equipment in response to the current operation condition of the plurality of S-CSCF servers 20, 21, 22 and the like in correspondence with the respective S-CSCF servers.
    Type: Application
    Filed: March 18, 2008
    Publication date: December 11, 2008
    Inventors: SHIGEKI MUKAIYAMA, KEIGO MURAKAMI