Patents by Inventor Kouichiro Ohgushi

Kouichiro Ohgushi 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).

  • Router unit, server unit and home agent function transfer control method
    Publication number: 20090190523
    Abstract: An HA function can be stopped and restarted without having an influence on MN performing registration and other nodes. The HA function is transferred and controlled by procedures established by an IP address managing procedure for operating plural IP addresses and stopping this operation, an IP address transfer control request procedure for transferring and controlling the IP address and an IP address transfer control response procedure (A12, A17), a tunneling procedure for establishing a bidirectional tunnel and transmitting and receiving a packet formed as a capsule, an IPsec transfer control request procedure for transferring and controlling an IPsec function and an IPsec transfer control response procedure (A13, A18), a registration transfer control request procedure for transferring and controlling registration by HA with respect to another HA and a registration transfer control response procedure (A14, A19).
    Type: Application
    Filed: June 14, 2005
    Publication date: July 30, 2009
    Applicant: KABUSHIKI KAISHA YASHKAWA DENKI
    Inventor: Kouichiro Ohgushi