Patents by Inventor Kazumasa Matsukawa

Kazumasa Matsukawa 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).

  • Route data collection technique in network
    Patent number: 8345567
    Abstract: A route data collection method includes: a transmission source apparatus transmitting a request packet to request at least layer-2 apparatuses on a route to a destination apparatus to reply a response packet including predetermined setting data of the layer-2 apparatus to the transmission source apparatus; upon receiving the request packet, the layer-2 apparatus that can respond to the request packet, reading out the predetermined setting data stored in a storage device of the layer-2 apparatus, transmitting the response packet including the predetermined setting data to the transmission source apparatus, and outputting the request packet to the destination apparatus; and upon receiving the response packet, the transmission source apparatus displaying the predetermined setting data included in the response packet on a display device.
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: January 1, 2013
    Assignee: Fujitsu Limited
    Inventors: Kazumasa Matsukawa, Tsuyoshi Harada, Hisashi Takahashi
  • ROUTE DATA COLLECTION TECHNIQUE IN NETWORK
    Publication number: 20100002694
    Abstract: A route data collection method includes: a transmission source apparatus transmitting a request packet to request at least layer-2 apparatuses on a route to a destination apparatus to reply a response packet including predetermined setting data of the layer-2 apparatus to the transmission source apparatus; upon receiving the request packet, the layer-2 apparatus that can respond to the request packet, reading out the predetermined setting data stored in a storage device of the layer-2 apparatus, transmitting the response packet including the predetermined setting data to the transmission source apparatus, and outputting the request packet to the destination apparatus; and upon receiving the response packet, the transmission source apparatus displaying the predetermined setting data included in the response packet on a display device.
    Type: Application
    Filed: September 14, 2009
    Publication date: January 7, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Kazumasa Matsukawa, Tsuyoshi Harada, Hisashi Takahashi