Patents by Inventor Shigeru SEKIGUCHI

Shigeru SEKIGUCHI 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).

  • RFID tag search method, non-transitory storage medium storing RFID tag search program, and RFID tag search device
    Patent number: 9551774
    Abstract: A method to be executed by a user terminal for searching for locations of one or more wireless devices that are located within an area in which the one or more wireless devices can wirelessly communicate with the user terminal, wherein each of the one or more wireless devices periodically transmits a beacon signal. The method includes detecting a number of the one or more wireless devices that are located within the area based on the beacon signals; determining a transmission period for transmitting the beacon signals depending on the number of the one or more wireless devices; and instructing the one or more wireless devices that are located within the area to transmit the beacon signals in accordance with the determined transmission period.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: January 24, 2017
    Assignee: NTT DOCOMO, INC.
    Inventors: Masanori Ishida, Shigeru Sekiguchi, Kouki Hayashi, Shin Nakamatsu, Ryuutarou Hosoi
  • RFID TAG SEARCH METHOD, NON-TRANSITORY STORAGE MEDIUM STORING RFID TAG SEARCH PROGRAM, AND RFID TAG SEARCH DEVICE
    Publication number: 20150355308
    Abstract: A method to be executed by a user terminal for searching for locations of one or more wireless devices that are located within an area in which the one or more wireless devices can wirelessly communicate with the user terminal, wherein each of the one or more wireless devices periodically transmits a beacon signal. The method includes detecting a number of the one or more wireless devices that are located within the area based on the beacon signals; determining a transmission period for transmitting the beacon signals depending on the number of the one or more wireless devices; and instructing the one or more wireless devices that are located within the area to transmit the beacon signals in accordance with the determined transmission period.
    Type: Application
    Filed: April 8, 2014
    Publication date: December 10, 2015
    Applicant: NTT DOCOMO, INC.
    Inventors: Masanori ISHIDA, Shigeru SEKIGUCHI, Kouki HAYASHI, Shin NAKAMATSU, Ryuutarou HOSOI