Patents by Inventor Osamu Onoda

Osamu Onoda 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).

  • Computer system, controller and network monitoring method
    Patent number: 9118716
    Abstract: The computer system includes: a controller; a switch configured to perform, on a received packet complying with a flow entry set by the controller, a relay operation regulated by the flow entry; and a host terminal configured to be connected to the switch. The switch notifies the controller of transmission source address information of a received packet which does not comply with a flow entry set for itself. The controller judges, when legal address information of a host terminal does not coincide with the transmission source address information, that a transmission source address of the received packet is spoofed.
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: August 25, 2015
    Assignee: NEC CORPORATION
    Inventor: Osamu Onoda
  • COMPUTER SYSTEM, CONTROLLER AND NETWORK MONITORING METHOD
    Publication number: 20130254891
    Abstract: The computer system includes: a controller; a switch configured to perform, on a received packet complying with a flow entry set by the controller, a relay operation regulated by the flow entry; and a host terminal configured to be connected to the switch. The switch notifies the controller of transmission source address information of a received packet which does not comply with a flow entry set for itself. The controller judges, when legal address information of a host terminal does not coincide with the transmission source address information, that a transmission source address of the received packet is spoofed.
    Type: Application
    Filed: December 2, 2011
    Publication date: September 26, 2013
    Inventor: Osamu Onoda