Patents by Inventor Toshimitsu Handa

Toshimitsu Handa 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).

  • Network monitoring method and apparatus
    Patent number: 7430688
    Abstract: A network monitoring method and system reduces a load to a monitoring network without deteriorating accuracy of detecting a malfunction. A plurality of network constituent elements that constitute a communication network are connected to an operation system through a monitoring network. A health check for detecting a malfunction is periodically performed between a group of the network constituent elements positioned closed to each other within the communication network at a short monitoring period. A health check of malfunction detection on all of the network constituent elements is performed by the operation system at a long monitoring period longer than the short monitoring period.
    Type: Grant
    Filed: December 3, 2004
    Date of Patent: September 30, 2008
    Assignee: Fujitsu Limited
    Inventors: Akinori Matsuno, Masayuki Takeda, Masayuki Hasegawa, Hirofumi Kitagawa, Toshimitsu Handa
  • Network monitoring method and apparatus
    Publication number: 20060085680
    Abstract: A network monitoring method and system reduces a load to a monitoring network without deteriorating accuracy of detecting a malfunction. A plurality of network constituent elements that constitute a communication network are connected to an operation system through a monitoring network. A health check for detecting a malfunction is periodically performed between a group of the network constituent elements positioned closed to each other within the communication network at a short monitoring period. A health check of malfunction detection on all of the network constituent elements is performed by the operation system at a long monitoring period longer than the short monitoring period.
    Type: Application
    Filed: December 3, 2004
    Publication date: April 20, 2006
    Inventors: Akinori Matsuno, Masayuki Takeda, Masayuki Hasegawa, Hirofumi Kitagawa, Toshimitsu Handa