Patents by Inventor Tomoya Tandai

Tomoya Tandai 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: 11626939
    Abstract: According to one embodiment, a wireless apparatus determines a state of a first wireless link with a first mobile station and a state of a second wireless link with a second mobile station in a first communication mode, and transmits a first signal to the first and the second mobile stations in accordance with the states of the first and the second wireless links. In response to the first signal, the first communication mode is changed to a second communication mode in which the wireless apparatus communicates with the second mobile station via a direct communication between the first and the second mobile stations.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: April 11, 2023
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Miyuki Ogura, Toshihisa Nabetani, Tomoya Tandai, Tatsuma Hirano, Tsuyoshi Kogawa, Haruka Obata
  • Patent number: 11627586
    Abstract: According to one embodiment, a wireless communication device includes a transmitter configured to transmit a first field containing information to identify a plurality of wireless communication terminals, and configured to multiplex and transmit a plurality of second fields in each of which a first frame containing an address of any of the wireless communication terminals is set; and a controller configured to determine, for the first frames, values pertaining to lengths of durations to suppress access to a wireless medium to the wireless communication terminal having an address different from the address contained in each of the first frames. The transmitter is configured to set the values in the first frames, the second fields, or the first field. The controller is configured to determine the values so that the durations have an end at an identical time.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: April 11, 2023
    Assignee: International Semiconductor Group
    Inventors: Tomoko Adachi, Ryoko Matsuo, Tomoya Tandai, Hiroki Mori, Kentaro Taniguchi
  • Publication number: 20230080423
    Abstract: According to one embodiment, a wireless device comprises circuitry configured to generate a control signal of a control target, generate transfer necessity indicating whether transfer of the control signal is necessary or unnecessary, generate control information including the control signal and the transfer necessity, and transmit a wireless signal corresponding to the control information.
    Type: Application
    Filed: March 10, 2022
    Publication date: March 16, 2023
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tsuyoshi KOGAWA, Toshihisa NABETANI, Tomoya TANDAI
  • Publication number: 20220353916
    Abstract: According to one embodiment, a wireless communication device includes: controlling circuitry configured to set at least one of: a first transmission prohibition period for a first network to which the wireless communication device belongs; or a second transmission prohibition period for a second network, and to determine, when a first frame addressed to another device is received in a case that the first transmission prohibition period is not set and the second transmission prohibition period is set, a state of a wireless medium based on comparing a reception level of the first frame with a threshold defined corresponding to one of the first network and the second network, to which a sender of the first frame belongs.
    Type: Application
    Filed: July 18, 2022
    Publication date: November 3, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ryoko MATSUO, Tomoya TANDAI, Toshihisa NABETANI
  • Patent number: 11412545
    Abstract: According to one embodiment, a wireless communication device includes: controlling circuitry configured to set at least one of: a first transmission prohibition period for a first network to which the wireless communication device belongs; or a second transmission prohibition period for a second network, and to determine, when a first frame addressed to another device is received in a case that the first transmission prohibition period is not set and the second transmission prohibition period is set, a state of a wireless medium based on comparing a reception level of the first frame with a threshold defined corresponding to one of the first network and the second network, to which a sender of the first frame belongs.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: August 9, 2022
    Assignee: TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
    Inventors: Ryoko Matsuo, Tomoya Tandai, Toshihisa Nabetani
  • Publication number: 20220225123
    Abstract: According to one embodiment, a wireless communication device, includes a receiver configured to receive a first field, receive at least one of a plurality of second fields having been multiplexed and transmitted, and decode the one of the second fields to obtain a frame in a case where first information identifying the wireless communication device is not set in the first field, and a controller configured to suppress access to a wireless medium during a period indicated by a value set in the frame.
    Type: Application
    Filed: April 1, 2022
    Publication date: July 14, 2022
    Applicant: TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
    Inventors: Tomoko ADACHI, Ryoko MATSUO, Tomoya TANDAI, Hiroki MORI, Kentaro TANIGUCHI
  • Publication number: 20220190979
    Abstract: A wireless communication device includes a receiver configured to receive first information to designate a first bandwidth narrower than a maximum available bandwidth extended based on a predetermined channel, and to receive second information to designate a plurality of channels including at least one channel different from a channel in the first bandwidth among a plurality of channels in the maximum bandwidth; and controlling circuitry configured to specify a plurality of channels for use in communication based on at least the second information.
    Type: Application
    Filed: March 7, 2022
    Publication date: June 16, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomoko ADACHI, Ryoko MATSUO, Tomoya TANDAI
  • Publication number: 20220191741
    Abstract: According to one embodiment, a wireless communication device includes a transmitter configured to transmit first information to designate a first bandwidth narrower than a maximum available bandwidth extended based on a predetermined channel, and transmit second information to designate a plurality of channels including at least one channel different from a channel used in the first bandwidth among a plurality of channels in the maximum bandwidth: and controlling circuitry configured to control the transmitter.
    Type: Application
    Filed: March 8, 2022
    Publication date: June 16, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomoko ADACHI, Ryoko MATSUO, Tomoya TANDAI
  • Publication number: 20220137598
    Abstract: According to one embodiment, an electronic apparatus instructs an operation of at least a part of a control target device via wireless communication. The electronic apparatus comprises a processor configured to acquire communication quality information of the wireless communication between the electronic apparatus and the control target device, acquire first information indicating a degree or a risk that can be caused by the operation, and generate a control signal instructing the operation based on the communication quality information and the first information.
    Type: Application
    Filed: September 13, 2021
    Publication date: May 5, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Koji AKITA, Tomoya TANDAI, Miyuki OGURA, Ryoko MATSUO, Kohei ONIZUKA, Toshihisa NABETANI
  • Patent number: 11317300
    Abstract: According to one embodiment, a wireless communication device, includes a receiver configured to receive a first field, receive at least one of a plurality of second fields having been multiplexed and transmitted, and decode the one of the second fields to obtain a frame in a case where first information identifying the wireless communication device is not set in the first field, and a controller configured to suppress access to a wireless medium during a period indicated by a value set in the frame.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: April 26, 2022
    Assignee: TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
    Inventors: Tomoko Adachi, Ryoko Matsuo, Tomoya Tandai, Hiroki Mori, Kentaro Taniguchi
  • Patent number: 11310791
    Abstract: According to one embodiment, a wireless communication device, includes: a receiver configured to receive a first frame that requests permission of transmission; and controlling circuitry configured to perform control to prevent transmission in a case where the first frame is not addressed for the own device, wherein the controlling circuitry is configured to keep prevention of the transmission even when a second frame notifying the permission of transmission is not received after a lapse of a first time period following receipt of the first frame.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: April 19, 2022
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomoya Tandai, Tomoko Adachi, Ryoko Matsuo
  • Publication number: 20220116164
    Abstract: According to one embodiment, a wireless communication device includes a receiver, a controller and a transmitter. The receiver receives a terminal identifier of a first terminal being a target for downlink frequency multiplexing transmission from another wireless communication device, and receives information identifying, of a plurality of frequency components, a first frequency component allocated to the first terminal. The controller selects, of a plurality second terminals belonging to the wireless communication device, a second terminal having a terminal identifier same as that of the first terminal and allocates the first frequency component to the selected second terminal.
    Type: Application
    Filed: December 20, 2021
    Publication date: April 14, 2022
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
    Inventors: Ryoko MATSUO, Tomoya TANDAI
  • Publication number: 20220116108
    Abstract: According to one embodiment, a wireless base station includes a transmitter and a receiver. The transmitter transmits a control signal and one or more operation signals to the second wireless communication terminal. The control signal instructs to transmit a signal that requests terminal-to-terminal communication between a first wireless communication terminal and the second wireless communication terminal. The operation signals are used for operating at least a part of the first wireless communication terminal. The receiver is capable of receiving at least one of a response signal or a data signal transmitted from the first wireless communication terminal to the second wireless communication terminal after the operation signals are transmitted.
    Type: Application
    Filed: September 9, 2021
    Publication date: April 14, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ryoko MATSUO, Miyuki OGURA, Koji AKITA, Tomoya TANDAI, Toshihisa NABETANI, Tsuyoshi KOGAWA
  • Patent number: 11303401
    Abstract: A wireless communication device includes a receiver configured to receive first information to designate a first bandwidth narrower than a maximum available bandwidth extended based on a predetermined channel, and to receive second information to designate a plurality of channels including at least one channel different from a channel in the first bandwidth among a plurality of channels in the maximum bandwidth; and controlling circuitry configured to specify a plurality of channels for use in communication based on at least the second information.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: April 12, 2022
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomoko Adachi, Ryoko Matsuo, Tomoya Tandai
  • Patent number: 11297538
    Abstract: According to one embodiment, a wireless communication device includes a transmitter configured to transmit first information to designate a first bandwidth narrower than a maximum available bandwidth extended based on a predetermined channel, and transmit second information to designate a plurality of channels including at least one channel different from a channel used in the first bandwidth among a plurality of channels in the maximum bandwidth: and controlling circuitry configured to control the transmitter.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: April 5, 2022
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomoko Adachi, Ryoko Matsuo, Tomoya Tandai
  • Publication number: 20220076557
    Abstract: According to one embodiment, an electronic apparatus includes: a processor configured to: generate a control plan indicating an operation of at least a part of a control target apparatus during a predetermined duration; determine a first control plan associated with a portion of the control plan; generate a first control signal including the control plan and a second control signal including the first control plan; and command to transmit the first control signal by using a first wireless resource, and transmit the second control signal by using a second wireless resource different from the first wireless resource.
    Type: Application
    Filed: March 5, 2021
    Publication date: March 10, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Koji AKITA, Tomoya TANDAI, Miyuki OGURA, Ryoko MATSUO
  • Publication number: 20220066419
    Abstract: According to one embodiment, a system includes a processor and a transmitter. The processor is configured to generate a first control signal including a first instruction to operate at least part of a terminal with in a first validity and generate a second control signal including a second instruction to operate at least part of the terminal within a second validity period after an operation of the at least part of the terminal in accordance with the first instruction. The transmitter is configured to transmit the first control signal to the terminal at first timing and transmit the second control signal to the terminal at second timing after the first timing. An end of the first validity period is after the second validity timing.
    Type: Application
    Filed: March 8, 2021
    Publication date: March 3, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomoya TANDAI, Toshihisa NABETANI, Koji AKITA, Miyuki OGURA, Ryoko MATSUO
  • Publication number: 20220038205
    Abstract: According to one embodiment, a wireless apparatus determines a state of a first wireless link with a first mobile station and a state of a second wireless link with a second mobile station in a first communication mode, and transmits a first signal to the first and the second mobile stations in accordance with the states of the first and the second wireless links. In response to the first signal, the first communication mode is changed to a second communication mode in which the wireless apparatus communicates with the second mobile station via a direct communication between the first and the second mobile stations.
    Type: Application
    Filed: March 10, 2021
    Publication date: February 3, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Miyuki OGURA, Toshihisa NABETANI, Tomoya TANDAI, Tatsuma HIRANO, Tsuyoshi KOGAWA, Haruka OBATA
  • Patent number: 11228408
    Abstract: According to one embodiment, a wireless communication device includes a receiver, a controller and a transmitter. The receiver receives a terminal identifier of a first terminal being a target for downlink frequency multiplexing transmission from another wireless communication device, and receives information identifying, of a plurality of frequency components, a first frequency component allocated to the first terminal. The controller selects, of a plurality second terminals belonging to the wireless communication device, a second terminal having a terminal identifier same as that of the first terminal and allocates the first frequency component to the selected second terminal.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: January 18, 2022
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
    Inventors: Ryoko Matsuo, Tomoya Tandai
  • Publication number: 20210352630
    Abstract: According to one embodiment, a base station communicably connected to a wireless terminal is provided. The base station includes a processor and a transmitter. The processor is configured to acquire communication condition information indicating conditions of wireless communication with the wireless terminal. The transmitter is configured to transmit the communication condition information to a system managing a first network slice and a second network slice which can be used by the base station.
    Type: Application
    Filed: March 1, 2021
    Publication date: November 11, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Haruka OBATA, Toshihisa NABETANI, Tomoya TANDAI, Miyuki OGURA, Tatsuma HIRANO, Tsuyoshi KOGAWA