Patents by Inventor Yasuhiro Yoshika

Yasuhiro Yoshika 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).

  • Packet transmission method and nodes
    Patent number: 8537708
    Abstract: This is a method for transmitting packets. The transmission method includes measuring a time taken for feedback indicating that a packet including context information has been lost; and switching between a first mode and a second mode based on the measured time taken for the feedback, the first mode being a mode for periodically transmitting a packet including the context information and the second mode being a mode for transmitting a packet including the context information in response to the feedback indicating that a packet including the context information has been lost.
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: September 17, 2013
    Assignee: Fujitsu Limited
    Inventors: Atsushi Yabe, Yasuhiro Yoshika, Yashushi Miyagawa, Akio Ohhashi, Isamu Fukuda, Akihiro Kobayashi, Kouichirou Higashi
  • Wireless base station and automatic networking method
    Patent number: 8326299
    Abstract: In a wireless base station, an installation information transmitter of the wireless base station transmits installation information indicating that the wireless base station is being installed, to the wireless network controller via an existing wireless base station. A connection information receiver receives connection information for connecting to the wireless network controller via a public network, from the wireless network controller via the existing wireless base station. An installation information receiver of the wireless network controller receives the installation information from the wireless base station via the existing wireless base station. On receiving the installation information from the wireless base station, a connection information transmitter transmits the connection information to the wireless base station via the existing wireless base station.
    Type: Grant
    Filed: April 5, 2011
    Date of Patent: December 4, 2012
    Assignee: Fujitsu Limited
    Inventors: Yasuhiro Yoshika, Mitsuru Nakatsuji, Kenichi Kamei, Atsushi Matsukura
  • WIRELESS BASE STATION, WIRELESS NETWORK CONTROLLER, AND AUTOMATIC NETWORKING METHOD
    Publication number: 20110237298
    Abstract: In a wireless base station, an installation information transmitter of the wireless base station transmits installation information indicating that the wireless base station is being installed, to the wireless network controller via an existing wireless base station. A connection information receiver receives connection information for connecting to the wireless network controller via a public network, from the wireless network controller via the existing wireless base station. An installation information receiver of the wireless network controller receives the installation information from the wireless base station via the existing wireless base station. On receiving the installation information from the wireless base station, a connection information transmitter transmits the connection information to the wireless base station via the existing wireless base station.
    Type: Application
    Filed: April 5, 2011
    Publication date: September 29, 2011
    Applicant: FUJITSU LIMITED
    Inventors: Yasuhiro Yoshika, Mitsuru Nakatsuji, Kenichi Kamei, Atsushi Matsukura
  • PACKET TRANSMISSION METHOD AND NODES
    Publication number: 20110211471
    Abstract: This is a method for transmitting packets. The transmission method includes measuring a time taken for feedback indicating that a packet including context information has been lost; and switching between a first mode and a second mode based on the measured time taken for the feedback, the first mode being a mode for periodically transmitting a packet including the context information and the second mode being a mode for transmitting a packet including the context information in response to the feedback indicating that a packet including the context information has been lost.
    Type: Application
    Filed: March 15, 2011
    Publication date: September 1, 2011
    Applicant: FUJITSU LIMITED
    Inventors: Atsushi YABE, Yasuhiro YOSHIKA, Yasushi MIYAGAWA, Akio OHHASHI, Isamu FUKUDA, Akihiro KOBAYASHI, Kouichirou HIGASHI