Patents by Inventor Shuntaro Okazaki

Shuntaro Okazaki 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: 11945318
    Abstract: The power supply apparatus includes a power transmission apparatus configured to transmit power to a power reception apparatus of the vehicle by non-contact and a processor configured to control the power transmission apparatus, detect a pickup/dropoff operation at the vehicle when power is being supplied by non-contact from the power supply apparatus to the vehicle, and detect a number of surrounding vehicles being supplied with power by non-contact in a predetermined range at surroundings of the power supply apparatus. The processor is configured to decrease power transmitted from the power transmission apparatus to the power reception apparatus when detecting a pickup/dropoff operation, and determine an amount of decrease of the transmitted power based on the number of surrounding vehicles.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: April 2, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daiki Yokoyama, Toshiya Hashimoto, Shuntaro Okazaki, Shogo Tsuge, Kazuhisa Matsuda
  • Publication number: 20230415589
    Abstract: A control device for a ground power supply apparatus judges if it has received from one moving body among a plurality of moving bodies a first signal notifying it that the one moving body has become an immobilized state on an electrified road at which a ground power supply apparatus has been installed. The control device, if receiving the first signal, when receiving from another moving body among the plurality of moving bodies, a power supply request signal requesting noncontact power supply at the ground power supply apparatus or an approach signal notifying it of approach the ground power supply apparatus, sends to the other moving body originating the power supply request signal or approach signal a second signal notifying it that there is a moving body in an immobilized state present on the electrified road.
    Type: Application
    Filed: June 14, 2023
    Publication date: December 28, 2023
    Inventors: Daiki YOKOYAMA, Toshiya HASHIMOTO, Shuntaro OKAZAKI, Shogo TSUGE, Kazuhisa MATSUDA
  • Publication number: 20230322091
    Abstract: A contactless power feed system includes a first ground power feed device and a second ground power feed device for performing contactless power feed to a moving body. The first ground power feed device transmits a passing signal to the second ground power feed device when entry of the moving body to a first power feed section is confirmed. The second ground power feed device transmits a power feed stop signal to the first ground power feed device when confirmation of entry or approach of the moving body to a second power feed section is not possible even after a predetermined time has elapsed after receiving the passing signal.
    Type: Application
    Filed: April 3, 2023
    Publication date: October 12, 2023
    Inventors: Daiki YOKOYAMA, Toshiya HASHIMOTO, Shuntaro OKAZAKI, Shogo TSUGE, Kazuhisa MATSUDA
  • Publication number: 20230311674
    Abstract: A moving body includes a power receiving device configured to receive contactless power feed from a ground power feed device, and a control device. The control device is configured to take a getting-off prevention measure for preventing an occupant from getting off the moving body when the moving body gets into a state of being difficult to move on an electrified road where the ground power feed device is installed.
    Type: Application
    Filed: March 3, 2023
    Publication date: October 5, 2023
    Inventors: Daiki YOKOYAMA, Toshiya HASHIMOTO, Shuntaro OKAZAKI, Shogo TSUGE, Kazuhisa MATSUDA
  • Patent number: 11777344
    Abstract: A signal emitting apparatus provided in a vehicle to which power is transferred from a ground side power supplying apparatus by noncontact, includes: a signal emitting device for emitting a signal including information relating to the vehicle wirelessly toward the ground side power supplying apparatus; an outside environment acquiring part for acquiring information relating to an outside environment at surroundings of the ground side power supplying apparatus; and a control part for controlling the signal emitting device. The control part changes a mode of wireless signal emission of the signal emitting device in accordance with the outside environment.
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: October 3, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daiki Yokoyama, Toshiya Hashimoto, Hiroya Chiba, Shuntaro Okazaki, Shogo Tsuge, Kazuhisa Matsuda
  • Patent number: 11608069
    Abstract: In a powertrain system including a first torque device and a second torque device having a larger response delay, a control device is configured to act as: a manipulated variable determination section that solves a linear programming problem to determine and output manipulated variables that maximally achieve target state quantities within a plurality of constraints; and a torque device control section. The plurality of constraints include, as upper and lower limit constraint values of the second manipulated variable, a maximum value and a minimum value of the second manipulated variable attainable at the next time step. The control device is further configured to act as a manipulated variable upper and lower limit calculation section that calculates, as the upper and lower limit constraint values, the above-described maximum value and the minimum value, based on the current rotational speed and estimated manipulated variable of the second torque device.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: March 21, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kazuhisa Matsuda, Shuntaro Okazaki
  • Publication number: 20230032752
    Abstract: A running mode proposal device for proposing a running mode up to a destination of a vehicle is configured to: select a first running route by a predetermined algorithm unrelated to noncontact power supply; project, when assuming the vehicle runs on a predetermined running route, a value of a parameter relating to an electric energy projected as being supplied at a power supply section on the running route to the vehicle; select a second running route by which a projected supplied electric energy will be greater than a predetermined standard electric energy if the projected value of the parameter when assuming the vehicle runs on the first running route is a value indicating the projected supplied electric energy is less than the standard electric energy; and propose, as the running route, the first running route, and, when the second running route is selected, further proposing a second running route.
    Type: Application
    Filed: July 26, 2022
    Publication date: February 2, 2023
    Inventors: Daiki YOKOYAMA, Toshiya HASHIMOTO, Hiroya CHIBA, Shuntaro OKAZAKI, Shogo TSUGE, Kazuhisa MATSUDA
  • Publication number: 20230024229
    Abstract: A ground power supply apparatus for transmitting power to a vehicle by noncontact has: a plurality of power transmission apparatuses for transmitting power to the vehicle; at least one detection device for detecting a signal emitted from the vehicle using narrow range wireless communication; and a controller for controlling the power transmission apparatuses. The power transmission apparatuses are arranged in a road aligned in a direction of advance of the vehicle. One first detection device is arranged so as to enable detection of the signal at an upstream side from the most upstream power transmission apparatus. The control device controls transmission of power from power transmission apparatuses other than the first power transmission apparatus positioned the most upstream, based on the signal detected by the first detection device and power transmission result information at the power transmission apparatus positioned upstream of that power transmission apparatus.
    Type: Application
    Filed: July 20, 2022
    Publication date: January 26, 2023
    Inventors: Daiki YOKOYAMA, Toshiya HASHIMOTO, Shuntaro OKAZAKI, Shogo TSUGE, Kazuhisa MATSUDA
  • Publication number: 20230003811
    Abstract: Submitted is an abnormality detection device including a processing unit, and a communication unit that can communicate with a ground electric power supply device that transmits electric power to a vehicle in a non-contact manner. The processing unit is configured to detect electricity theft or electricity leakage in the ground electric power supply device, based on a time dependent change pattern of an electric power supply amount of the ground electric power supply device or a parameter that is correlated to the electric power supply amount, the time dependent change pattern being a time dependent change mode.
    Type: Application
    Filed: May 20, 2022
    Publication date: January 5, 2023
    Inventors: Daiki YOKOYAMA, Toshiya HASHIMOTO, Shuntaro OKAZAKI, Shogo TSUGE, Kazuhisa MATSUDA
  • Publication number: 20230001813
    Abstract: The vehicle control device controls a vehicle configured to receive power by non-contact from a power transmission coil when passing over the power transmission coil. The vehicle control device includes a processor configured to prohibit lane changing by the vehicle in a predetermined range up to an end point of a power supply area where the power transmission coil is installed when the vehicle is running in a lane of the power supply area.
    Type: Application
    Filed: June 30, 2022
    Publication date: January 5, 2023
    Inventors: Daiki YOKOYAMA, Toshiya HASHIMOTO, Shuntaro OKAZAKI, Shogo TSUGE, Kazuhisa MATSUDA
  • Publication number: 20230001805
    Abstract: A server includes: a communicator configured to communicate with a plurality of ground power supply devices configured to transmit electric power to a vehicle in a non-contact manner; a storage configured to store at least information on a total power supply amount within a predetermined period of the ground power supply devices; and one or more processors configured to, when a total power supply amount within a predetermined period of one ground power supply device among the ground power supply devices is equal to or greater than a determination threshold value set based on data of the total power supply amount within the predetermined period of the ground power supply devices, determine that stealing or leakage of electricity has occurred in the one ground power supply device.
    Type: Application
    Filed: June 17, 2022
    Publication date: January 5, 2023
    Inventors: Daiki YOKOYAMA, Toshiya HASHIMOTO, Shuntaro OKAZAKI, Shogo TSUGE, Kazuhisa MATSUDA
  • Publication number: 20220410893
    Abstract: The vehicle control device controls a vehicle configured to receive power by non-contact from a power transmission coil when passing over the power transmission coil. The vehicle control device includes a processor configured to set a target speed of the vehicle in a power supply area where the power transmission coil is installed. The processor is configured to lower the target speed when at least one predetermined condition is satisfied, compared to when the at least one predetermined condition is not satisfied. The at least one predetermined condition includes a first condition relating to a running environment around the vehicle.
    Type: Application
    Filed: June 24, 2022
    Publication date: December 29, 2022
    Inventors: Daiki YOKOYAMA, Toshiya HASHIMOTO, Shuntaro OKAZAKI, Shogo TSUGE, Kazuhisa MATSUDA
  • Publication number: 20220410732
    Abstract: A vehicle configured to be able to suitably judge whether to be supplied with power by noncontact while running, that is, a vehicle configured to receive power from a ground power supplying apparatus by noncontact, comprising a control device for controlling reception of power from the ground power supplying apparatus while running based on charging scheduled after the vehicle finishes running.
    Type: Application
    Filed: June 21, 2022
    Publication date: December 29, 2022
    Inventors: Daiki YOKOYAMA, Toshiya HASHIMOTO, Hiroya CHIBA, Shuntaro OKAZAKI, Shogo TSUGE, Kazuhisa MATSUDA
  • Publication number: 20220410731
    Abstract: The power supply apparatus includes a power transmission apparatus configured to transmit power to a power reception apparatus of the vehicle by non-contact and a processor configured to control the power transmission apparatus, detect a pickup/dropoff operation at the vehicle when power is being supplied by non-contact from the power supply apparatus to the vehicle, and detect a number of surrounding vehicles being supplied with power by non-contact in a predetermined range at surroundings of the power supply apparatus. The processor is configured to decrease power transmitted from the power transmission apparatus to the power reception apparatus when detecting a pickup/dropoff operation, and determine an amount of decrease of the transmitted power based on the number of surrounding vehicles.
    Type: Application
    Filed: June 21, 2022
    Publication date: December 29, 2022
    Inventors: Daiki YOKOYAMA, Toshiya HASHIMOTO, Shuntaro OKAZAKI, Shogo TSUGE, Kazuhisa MATSUDA
  • Publication number: 20220402389
    Abstract: A vehicle receiving power from a ground power supplying apparatus by noncontact includes: a vehicle side first communication device for directly or indirectly communicating with the ground power supplying apparatus by utilizing wide area wireless communication; a vehicle side second communication device for directly communicating with the ground power supplying apparatus by utilizing short range wireless communication; and a control device for making the vehicle side first communication device transmit vehicle information tied with vehicle identification information to the ground power supplying apparatus and making the vehicle side second communication device transmit the vehicle identification information to the ground power supplying apparatus after the vehicle side first communication device transmits the vehicle information, when the vehicle receives power from the ground power supplying apparatus.
    Type: Application
    Filed: June 15, 2022
    Publication date: December 22, 2022
    Inventors: Daiki YOKOYAMA, Toshiya HASHIMOTO, Hiroya CHIBA, Shuntaro OKAZAKI, Shogo TSUGE, Kazuhisa MATSUDA, Ryosuke IKEMURA
  • Publication number: 20220407370
    Abstract: A signal emitting apparatus provided in a vehicle to which power is transferred from a ground side power supplying apparatus by noncontact, includes: a signal emitting device for emitting a signal including information relating to the vehicle wirelessly toward the ground side power supplying apparatus; an outside environment acquiring part for acquiring information relating to an outside environment at surroundings of the ground side power supplying apparatus; and a control part for controlling the signal emitting device. The control part changes a mode of wireless signal emission of the signal emitting device in accordance with the outside environment.
    Type: Application
    Filed: June 15, 2022
    Publication date: December 22, 2022
    Inventors: Daiki YOKOYAMA, Toshiya HASHIMOTO, Hiroya CHIBA, Shuntaro OKAZAKI, Shogo TSUGE, Kazuhisa MATSUDA
  • Publication number: 20220402393
    Abstract: The position information transmission device is provided at one of a ground side apparatus and a moving object performing non-contact power transmission by magnetic field resonance coupling with the ground side apparatus, and includes an alternating current power generation circuit for generating alternating current power, an alternating current magnetic field generation circuit for generating an alternating current magnetic field as a position signal when the alternating current power is applied; and a power inflow suppression part for keeping induced electromotive force due to an alternating current magnetic field generated from a power transmission side resonance circuit for the non-contact power transmission from flowing to the alternating current power generation circuit.
    Type: Application
    Filed: June 15, 2022
    Publication date: December 22, 2022
    Inventors: Kazuhisa MATSUDA, Shuntaro OKAZAKI, Daiki YOKOYAMA
  • Publication number: 20220402379
    Abstract: A power supply assistance apparatus includes a processor. The processor is configured to acquire an output of a magnetic field detector configured to detect a magnetic field around a power supply device installed in a ground. The processor is configured to instruct a vehicle to change a frequency of an alternating-current magnetic field emitted from the vehicle to the power supply device as a position signal based on the output of the magnetic field detector.
    Type: Application
    Filed: June 9, 2022
    Publication date: December 22, 2022
    Inventors: Kazuhisa MATSUDA, Shuntaro OKAZAKI, Daiki YOKOYAMA
  • Publication number: 20220402394
    Abstract: Provided is a contactless power supply system including a transmission-side resonance circuit configured to transmit electric power, a reception-side resonance circuit configured to receive the electric power from the transmission-side resonance circuit, an alternating current magnetic field generation circuit configured to generate an alternating current magnetic field for detecting a relative positional relationship between the transmission-side resonance circuit and the reception-side resonance circuit, and a magnetic field detector configured to detect the alternating current magnetic field. The contactless power supply system performs contactless electric power transmission of magnetic field resonance coupling between a ground-side device and a mobile body. A frequency of the position detecting alternating current magnetic field is different from a resonance frequency of each of the transmission-side resonance circuit and the reception-side resonance circuit.
    Type: Application
    Filed: May 2, 2022
    Publication date: December 22, 2022
    Inventors: Shuntaro OKAZAKI, Kazuhisa MATSUDA, Daiki YOKOYAMA
  • Publication number: 20220368173
    Abstract: The power supply control device includes a processor configured to request noncontact power supply from the power supply apparatus to the vehicle; confirm an intention to utilize a noncontact power supply with an occupant of the vehicle, and stop the request for noncontact power supply if the occupant does not have the intention to utilize.
    Type: Application
    Filed: May 9, 2022
    Publication date: November 17, 2022
    Inventors: Daiki YOKOYAMA, Toshiya HASHIMOTO, Hiroya CHIBA, Shuntaro OKAZAKI, Shogo TSUGE, Kazuhisa MATSUDA