Patents by Inventor Satoshi Ushiroda

Satoshi Ushiroda 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).

  • Base station apparatus, mobile station and wireless communication controlling method
    Patent number: 8359035
    Abstract: A wireless base station includes a candidate-cell obtaining unit that obtains a plurality of wireless communication route candidates usable for wireless communication of a mobile station with wireless base stations; a candidate-cell extracting unit that determines whether a wireless communication route candidate via which wireless communication can be performed is included in a plurality of wireless communication route candidates managed by the wireless base station itself from among the obtained wireless communication route candidates; a self-station determining unit; and a handover preparing unit that, when wireless communication can be performed via at least any of the wireless communication route candidates managed by the wireless base station itself according to the result of determination, notifies a wireless base station with which the mobile station is in wireless communication that wireless communication can be performed with the mobile station.
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: January 22, 2013
    Assignee: Fujitsu Limited
    Inventors: Yohji Fukuzawa, Akihiro Sato, Tomonari Kagimoto, Hiroshi Ohiwane, Satoshi Ushiroda
  • BASE STATION APPARATUS, MOBILE STATION AND WIRELESS COMMUNICATION CONTROLLING METHOD
    Publication number: 20090318155
    Abstract: A wireless base station includes a candidate-cell obtaining unit that obtains a plurality of wireless communication route candidates usable for wireless communication of a mobile station with wireless base stations; a candidate-cell extracting unit that determines whether a wireless communication route candidate via which wireless communication can be performed is included in a plurality of wireless communication route candidates managed by the wireless base station itself from among the obtained wireless communication route candidates; a self-station determining unit; and a handover preparing unit that, when wireless communication can be performed via at least any of the wireless communication route candidates managed by the wireless base station itself according to the result of determination, notifies a wireless base station with which the mobile station is in wireless communication that wireless communication can be performed with the mobile station.
    Type: Application
    Filed: April 29, 2009
    Publication date: December 24, 2009
    Applicant: FUJITSU LIMITED
    Inventors: Yohji FUKUZAWA, Akihiro SATO, Tomonari KAGIMOTO, Hiroshi OHIWANE, Satoshi USHIRODA