Patents by Inventor Naohiro Ozaki

Naohiro Ozaki 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).

  • Communication system and session establishment method
    Patent number: 7882214
    Abstract: A communication system capable of securely preventing illegal use of addresses and enhancing confidentiality of communication. Based on an originating-side real address which is the real address of an originating-side client terminal and specific information included in a registration message, a conversion data generator generates conversion data which the local server alone can convert to a receiving-side real address which is the real address of a receiving-side client terminal, and transmits the conversion data to the originating-side client terminal.
    Type: Grant
    Filed: October 6, 2005
    Date of Patent: February 1, 2011
    Assignee: Fujitsu Limited
    Inventors: Naohiro Ozaki, Akio Koga, Tomoyuki Furutono
  • Communication system and session establishment method
    Publication number: 20060294242
    Abstract: A communication system capable of securely preventing illegal use of addresses and enhancing confidentiality of communication. Based on an originating-side real address which is the real address of an originating-side client terminal and specific information included in a registration message, a conversion data generator generates conversion data which the local server alone can convert to a receiving-side real address which is the real address of a receiving-side client terminal, and transmits the conversion data to the originating-side client terminal.
    Type: Application
    Filed: October 6, 2005
    Publication date: December 28, 2006
    Inventors: Naohiro Ozaki, Akio Koga, Tomoyuki Furutono