Patents by Inventor Shuzo TARUMI

Shuzo TARUMI 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).

  • Communication apparatus, communication system, and computer-readable recording medium
    Patent number: 9769853
    Abstract: It is left to a communication terminal side to judge whether to switch communication, and appropriate switching is not performed if a communication terminal does not have a function to switch communication based on the quality of communication. A communication apparatus comprises: a data signal transmitting unit that transmits a data signal to a communication terminal; a control signal transmitting unit that transmits a control signal for establishing communication with the communication terminal; and an area control unit that restricts, to a partial area within a communication possible area that a radio wave including the data signal can reach, a communication establishment possible area that a radio wave including the control signal can reach.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: September 19, 2017
    Assignee: SoftBank Corp.
    Inventors: Takenori Kobayashi, Shuzo Tarumi, Toshiyuki Hijikata, Ryuji Hosoda, Koichiro Kase, Kou Ikeda, Keita Kamiji, Yusuke Iwadate, Zhiwen Wu
  • COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, AND COMPUTER-READABLE RECORDING MEDIUM
    Publication number: 20150163836
    Abstract: It is left to a communication terminal side to judge whether to switch communication, and appropriate switching is not performed if a communication terminal does not have a function to switch communication based on the quality of communication. A communication apparatus comprises: a data signal transmitting unit that transmits a data signal to a communication terminal; a control signal transmitting unit that transmits a control signal for establishing communication with the communication terminal; and an area control unit that restricts, to a partial area within a communication possible area that a radio wave including the data signal can reach, a communication establishment possible area that a radio wave including the control signal can reach.
    Type: Application
    Filed: February 16, 2015
    Publication date: June 11, 2015
    Inventors: Takenori KOBAYASHI, Shuzo TARUMI, Toshiyuki HIJIKATA, Ryuji HOSODA, Koichiro KASE, Kou IKEDA, Keita KAMIJI, Yusuke IWADATE, Zhiwen WU