Patents by Inventor Kaoru Shimamoto

Kaoru Shimamoto 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).

  • Loop connection detecting method and device
    Patent number: 7471624
    Abstract: In an access portion of a LAN, traffic of a received packet is detected, whether or not the traffic exceeds a predetermined threshold is determined, packet information specific to the received packet is acquired when it is determined that the traffic exceeds the threshold, and an occurrence of a loop connection is determined when the packet information acquired is compared with packet information previously held and a number of conformity thereof amounts to a predetermined number within a predetermined time.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: December 30, 2008
    Assignee: Fujitsu Limited
    Inventors: Satoshi Fukui, Kaoru Shimamoto
  • Loop connection detecting method and device
    Publication number: 20060072460
    Abstract: In an access portion of a LAN, traffic of a received packet is detected, whether or not the traffic exceeds a predetermined threshold is determined, packet information specific to the received packet is acquired when it is determined that the traffic exceeds the threshold, and an occurrence of a loop connection,is determined when the packet information acquired is compared with packet information previously held and a number of conformity thereof amounts to a predetermined number within a predetermined time.
    Type: Application
    Filed: December 22, 2004
    Publication date: April 6, 2006
    Inventors: Satoshi Fukui, Kaoru Shimamoto