Patents by Inventor Koji Tsurumaki

Koji Tsurumaki 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 control system, communication control method, and relay device
    Publication number: 20060168235
    Abstract: An object of the present invention is to reduce a load on the resource of a relay device (2) and to reduce the data-amount charging on a client, when communications are performed between a client (1) and a server (3).
    Type: Application
    Filed: July 17, 2003
    Publication date: July 27, 2006
    Applicant: NTT DoCoMo, Inc.
    Inventors: Katsumi Sekiguchi, Koji Tsurumaki, Masaya Kitaguchi
  • Repeater equipment
    Publication number: 20020046252
    Abstract: If the requested contents are present in a cache server those contents are sent to the client sending the request but if those contents are not present in the cache server the contents request message with the cache server set as the source is sent to a server, but an address conversion circuit operates to convert the source address of the message into the address of the client that actually issued the request.
    Type: Application
    Filed: October 15, 2001
    Publication date: April 18, 2002
    Inventors: Masahiro Ono, Kazuhiro Okanoue, Hiroshi Mizuki, Osamu Takahashi, Koji Tsurumaki, Hiroshi Inamura, Katsumi Sekiguchi, Taro Ishikawa