Patents by Inventor Yuki Unno

Yuki Unno 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).

  • Apparatus and method for locating trouble occurrence position in communication network
    Patent number: 7756046
    Abstract: When a communication abnormality has occurred, links that are included in the communication path on which the communication abnormality has occurred and that are included in communication paths between nodes that allow communication are excluded while referring to information on physical links between nodes in the communication network and path information specifying at least one link included in communication paths between two points, and thereby the scope of positions that are plausible candidates for having been involved in a failure is narrowed.
    Type: Grant
    Filed: April 27, 2007
    Date of Patent: July 13, 2010
    Assignee: Fujitsu Limited
    Inventors: Takuya Habu, Yuki Unno
  • Apparatus and method for locating trouble occurrence position in communication network
    Publication number: 20070258476
    Abstract: When a communication abnormality has occurred, links that are included in the communication path on which the communication abnormality has occurred and that are included in communication paths between nodes that allow communication are excluded while referring to information on physical links between nodes in the communication network and path information specifying at least one link included in communication paths between two points, and thereby the scope of positions that are plausible candidates for having been involved in a failure is narrowed.
    Type: Application
    Filed: April 27, 2007
    Publication date: November 8, 2007
    Inventors: Takuya Habu, Yuki Unno