Patents by Inventor Kento KATAOKA

Kento KATAOKA 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).

  • Publication number: 20230243914
    Abstract: A positional relationship between devices that have transmitted and received signals is more accurately estimated. A control device comprising a control section configured to perform control of estimating a positional relationship between a communication device and another communication device based on a signal transmitted and received between the communication device including at least three or more antennas, and the another communication device including at least one or more antennas, wherein the control section performs the control of estimating the positional relationship by excluding a contradictory temporary result among temporary results of the positional relationship estimated based on the signal received by the communication device from the another communication device.
    Type: Application
    Filed: December 23, 2022
    Publication date: August 3, 2023
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Yoshiki OISHI, Kenichi KOGA, Tatsuya KOIKE, Satoshi MORI, Kento KATAOKA
  • Publication number: 20230243947
    Abstract: A communication device comprising: a wireless communication section configured to wirelessly receive a signal from another communication device; and a control section configured to estimate a reception time of the second signal based on the expanded signal matrix that minimizes the predetermined norm, wherein the control section executes the iterative calculation separately at a plurality of stages, sets a value of the regularization parameter used for the iterative calculation at or after a second stage of the plurality of stages to a value of the regularization parameter or more used for the iterative calculation at a previous stage, and changes the value of the regularization parameter based on a reception status of the second signal during the iterative calculation at or after the second stage.
    Type: Application
    Filed: January 19, 2023
    Publication date: August 3, 2023
    Applicants: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO, NAGOYA INSTITUTE OF TECHNOLOGY
    Inventors: Yoshiki OISHI, Kenichi KOGA, Tatsuya KOIKE, Kento KATAOKA, Nobuyoshi KIKUMA
  • Publication number: 20230060556
    Abstract: To estimate a positional relationship between devices having transmitted and received signals with higher accuracy. A control device comprising: a control unit that performs control for estimating a positional relationship between a communication device having four or more antennas and another communication device on the basis of signals transmitted and received between the communication device and the other communication device, wherein the control unit applies a weight parameter based on a reliability parameter that is an index indicating a degree of whether or not a signal is appropriate as a processing target for estimating a positional relationship between the communication device and the other communication device calculated on the basis of a signal received from the other communication device by the communication device to a phase difference between adjacent antennas of the four or more antennas of the communication device, and performs control for estimating the positional relationship.
    Type: Application
    Filed: June 17, 2022
    Publication date: March 2, 2023
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Yoshiki Oishi, Kenichi Koga, Tatsuya Koike, Satoshi Mori, Kento Kataoka
  • Publication number: 20230065313
    Abstract: To estimate a positional relationship between devices having transmitted and received signals with higher accuracy. A control device includes a control unit that compares reliability parameters that are indexes indicating a degree of whether or not a signal is appropriate as a processing target for estimating a positional relationship between each of the plurality of communication devices and the other communication device, calculated on the basis of the signals received from the other communication device by the communication device, and performs control for estimating the positional relationship on the basis of a signal transmitted and received between the communication device that has received a signal that is more appropriate as a processing target for estimating the positional relationship and the other communication device.
    Type: Application
    Filed: June 17, 2022
    Publication date: March 2, 2023
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Yoshiki OISHI, Kenichi KOGA, Tatsuya KOIKE, Satoshi MORI, Kento KATAOKA
  • Publication number: 20230067707
    Abstract: A control device comprising: a control unit that applies a weight parameter based on a reliability parameter that is an index indicating a degree of whether or not a signal is appropriate as a processing target for estimating a positional relationship between the communication device and the other communication device calculated on the basis of a signal received from the other communication device by the communication device to a provisional positional relationship between at least two of the communication devices and the other communication device estimated on the basis of the signals transmitted and received between the communication device and the other communication device, and performs control for estimating the positional relationship between the communication device and the other communication device.
    Type: Application
    Filed: June 17, 2022
    Publication date: March 2, 2023
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Yoshiki OISHI, Kenichi KOGA, Tatsuya KOIKE, Satoshi MORI, Kento KATAOKA
  • Publication number: 20220248173
    Abstract: To provide a novel and improved control device and storage medium capable of performing control based on a positional relation with higher accuracy. A control device includes a control unit configured to perform control based on a presence area of a second communication device estimated using signals transmitted and received between a first communication device and the second communication device. The control unit performs control based on a presence area estimated most often among a plurality of presence areas estimated from signals transmitted and received a plurality of times during a certain time length.
    Type: Application
    Filed: December 8, 2021
    Publication date: August 4, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Yoshiki OISHI, Kenichi KOGA, Tatsuya KOIKE, Satoshi MORI, Kento KATAOKA
  • Publication number: 20220244339
    Abstract: To provide a novel and improved control device and storage medium capable of performing control based on a positional relation with higher accuracy. A control device includes a control unit configured to perform control based on a presence area of a first communication device determined using a signal transmitted and received between the first communication device and at least one second communication device. The control unit performs control related to an operation of a controlled device in accordance with a second presence area when a first presence area determined based on a coordinate position of the first communication device on an arbitrary coordinate system associating the first communication device with the second communication device is inconsistent with the second presence area determined based on a distance between the first and second communication devices.
    Type: Application
    Filed: December 8, 2021
    Publication date: August 4, 2022
    Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Yoshiki OISHI, Kenichi KOGA, Tatsuya KOIKE, Satoshi MORI, Kento KATAOKA