Patents by Inventor Norikatsu Hosoi

Norikatsu Hosoi 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).

  • High speed switching router using APS and method for switching the same
    Patent number: 7289432
    Abstract: In a method of switching a current use communication line between first and second communication lines provided between first and second units, link data is previously held in a first physical interface for the first communication line as the current use communication line and a second physical interface for the second communication line. The current use communication line is switched from the first communication line to the second communication line when a fault is detected in relation to the first communication line. The second communication line is established as the current use communication line for data transfer between the first and second units based on the link data.
    Type: Grant
    Filed: February 24, 2003
    Date of Patent: October 30, 2007
    Assignee: NEC Corporation
    Inventor: Norikatsu Hosoi
  • High speed switching router using APS and method for switching the same
    Publication number: 20030161262
    Abstract: In a method of switching a current use communication line between first and second communication lines provided between first and second units, link data is previously held in a first physical interface for the first communication line as the current use communication line and a second physical interface for the second communication line. The current use communication line is switched from the first communication line to the second communication line when a fault is detected in relation to the first communication line. The second communication line is established as the current use communication line for data transfer between the first and second units based on the link data.
    Type: Application
    Filed: February 24, 2003
    Publication date: August 28, 2003
    Applicant: NEC CORPORATION
    Inventor: Norikatsu Hosoi