Patents by Inventor Keiko Shinagawa

Keiko Shinagawa 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).

  • Patent number: 7177268
    Abstract: Packets of different priorities are efficiently distributed to a plurality of links of different qualities. When transmitting a low priority packet, the load on a higher quality link is examined, and if the load is not greater than a predetermined value, the low priority packet is transmitted on the higher quality link. If the load on the higher quality link is greater than the predetermined value, the low priority packet is transmitted on the low quality link.
    Type: Grant
    Filed: March 13, 2002
    Date of Patent: February 13, 2007
    Assignee: Fujitsu Limited
    Inventor: Keiko Shinagawa
  • Publication number: 20030072261
    Abstract: Packets of different priorities are efficiently distributed to a plurality of links of different qualities. When transmitting a low priority packet, the load on a higher quality link is examined, and if the load is not greater than a predetermined value, the low priority packet is transmitted on the higher quality link. If the load on the higher quality link is greater than the predetermined value, the low priority packet is transmitted on the low quality link.
    Type: Application
    Filed: March 13, 2002
    Publication date: April 17, 2003
    Inventor: Keiko Shinagawa