Patents by Inventor Yasuo Yamada

Yasuo Yamada 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: 20240109435
    Abstract: A power storage system includes a battery including a first power storage unit, a second power storage unit, and a first switch unit, a three-phase motor in which coils of three phases are connected at a neutral point, the three-phase motor being driven by electric power supplied from the battery, an inverter connected on an electric power transmission path between the battery and the three-phase motor, and a DC power supply circuit connected to a connection portion located on an electric power transmission path between the inverter and the battery. The DC power supply circuit includes a branch circuit connected to the neutral point on a positive electrode side.
    Type: Application
    Filed: September 26, 2023
    Publication date: April 4, 2024
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Yasushi OGIHARA, Yasuo YAMADA, Yoshio KOJIMA, Harumi TAKEDOMI
  • Publication number: 20240113531
    Abstract: A power storage system includes a first battery, a three-phase motor, an inverter, a DC power supply circuit, a branch circuit, a capacitor, a pre-charge circuit located on the electric power transmission path between the inverter and the first battery and connected between the inverter and the connection portion of the DC power supply circuit, a converter connected to the pre-charge circuit, and a second battery connected to the converter and having a voltage lower than the first voltage and the second voltage.
    Type: Application
    Filed: September 27, 2023
    Publication date: April 4, 2024
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Yasuo YAMADA, Yasushi OGIHARA, Yoshio KOJIMA
  • Publication number: 20240103390
    Abstract: Provided is an electrophotographic photosensitive member including: a support; and a photosensitive layer, wherein the support has a surface formed of Al and/or an Al alloy, wherein the surface of the support comprises Al crystal grains having: (?) a plane at ?15° or more and less than +15° with respect to a {001} orientation; (?) a plane at ?15° or more and less than +15° with respect to a {101} orientation; and (?) a plane at ?15° or more and less than +15° with respect to a {111} orientation, and wherein the ratio of an area occupied by the Al crystal grain having the (?) is 10% or less, and the value of the ratio of an area occupied by the Al crystal grain having the (?) to an area occupied by the Al crystal grain having the (?) is more than 4/6 and less than 6/4.
    Type: Application
    Filed: April 25, 2023
    Publication date: March 28, 2024
    Inventors: KOJI TAKAHASHI, YASUO KOJIMA, MOTOYA YAMADA, MASAYUKI SHINOZUKA
  • Publication number: 20240088733
    Abstract: Provided are: a rotor provided with a magnetic end plate and a structure for suppressing magnetic flux leakage; and an electric motor having this rotor. The rotor has a rotor core of an approximately cylindrical shape, a plurality of magnets supported by the rotor core, and two end plates arranged at either end surface in the axial direction of the rotor core, the end plates being formed of a magnetic material. Each end plate has an approximately circular shape corresponding to the radial cross-section of the rotor core, and a circumferential portion of the end plate has, as seen in the axial direction, concave portions that partially cover the magnets, and convex portions that are positioned between the plurality of magnets and have larger dimensions in the radial direction than the concave portions.
    Type: Application
    Filed: January 17, 2022
    Publication date: March 14, 2024
    Applicant: Fanuc Corporation
    Inventor: Yasuo Yamada
  • Patent number: 11831193
    Abstract: A power supply system includes: a first power circuit having a first battery and a first power line; a second power circuit having a second battery and a second power line; a voltage converter; a power converter; a first voltage acquisition unit which acquires a first closed circuit voltage lower limit CCVmin1 of the first battery; a second voltage acquisition unit which acquires a second closed circuit voltage lower limit CCVmin2 of the second battery; and a power control unit which operates the second power circuit based on a requested power, in which the power control unit isolates the second battery from the second power lines, in a case of a voltage difference between the first closed circuit voltage lower limit CCVmin1 and the second closed circuit voltage lower limit CCVmin2 becoming less than a first voltage threshold value A while output limitation of the second battery is being requested.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: November 28, 2023
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Arata Ohishi, Hirokazu Oguma, Yasuo Yamada, Minoru Nagasawa, Yoshihiro Kanamaru
  • Publication number: 20230344967
    Abstract: A recording device includes an imaging data acquisition unit configured to acquire imaging data including video data and audio data imaging an inside of a vehicle or an outside of the vehicle to which the recording device is mounted, an event detection unit configured to detect occurrence of an event for the vehicle, a recording control unit configured to record first imaging data in a recording unit when recording of the imaging data in the recording unit is caused by the event detected by the event detection unit, and record second imaging data in the recording unit when recording of the imaging data in the recording unit is not caused by the event detected by the event detection unit, and a reproduction control unit configured to reproduce the video data and the audio data included in the first imaging data when reproducing the first imaging data.
    Type: Application
    Filed: September 29, 2022
    Publication date: October 26, 2023
    Inventors: Toshitaka MURATA, Yasuo YAMADA, Keita HAYASHI
  • Publication number: 20230311709
    Abstract: A temperature adjusting device includes a temperature adjusting circuit configured to circulate a thermal medium, a first temperature sensor configured to measure a temperature of the thermal medium, a battery thermally connected to the temperature adjusting circuit, a second temperature sensor configured to measure a temperature of the battery, a heat generating instrument thermally connected to the temperature adjusting circuit, and a control device configured to control the heat generating instrument, the control device including a thermal medium heating mode configured to generate excessive heat from the heat generating instrument on the basis of measurement results of the first temperature sensor and the second temperature sensor.
    Type: Application
    Filed: March 24, 2023
    Publication date: October 5, 2023
    Inventors: Yasushi Ogihara, Yasuo Yamada
  • Patent number: 11658502
    Abstract: A power supply system includes: a first power circuit having a first battery, a second power circuit having a second battery, a voltage converter which converts voltage between the first power circuit and the second power circuit, a power converter which converts power between the first power circuit and the drive motor, a power control unit which controls charge/discharge of the first and second batteries by operating the voltage converter and the power converter, a first voltage parameter acquisition unit which calculates an effective value for the closed circuit voltage of the first battery as a first voltage parameter, a second voltage parameter acquisition unit which calculates the static voltage of the second battery as a second voltage parameter, in which the power control unit causes power to discharge from the second battery so that the second voltage parameter becomes no more than the first voltage parameter.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: May 23, 2023
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Minoru Nagasawa, Hirokazu Oguma, Arata Ohishi, Yasuo Yamada, Yoshihiro Kanamaru
  • Publication number: 20230048985
    Abstract: Provide are a stator, a rotor, and a rotating electrical machine that reduce cogging or ripple due to a gap between core divided sections. The stator comprises a plurality of core divided sections each having a cutout part extending along an. axial direction, and a plurality of pins provided for each of the core divisions adjacent to each. other and press- fit into pin press-fit holes formed by the cutout parts facing each. other. The plurality of core divided. sections are divided from each other at division surfaces each consisting of four or more constituent surfaces extending along the axial direction, the constituent surfaces including the three surfaces of a first surface closest to a magnetic gap part, a second surface second closest to the magnetic gap part after the first surface, and a farthest surface farthest from. the magnetic gap part.
    Type: Application
    Filed: March 30, 2021
    Publication date: February 16, 2023
    Applicant: FANUC CORPORATION
    Inventor: Yasuo YAMADA
  • Publication number: 20230040881
    Abstract: The present invention is to obtain a control device and a control method capable of appropriately assisting driving of a straddle-type vehicle by a rider. In a control device (12) and a control method of the present invention, an acquisition section of the control device (12) configured to control an operation of a straddle-type vehicle (10) acquires prediction information about a future lane change by a preceding vehicle that travels ahead of the straddle-type vehicle (10), and a control section of the control device (12) causes the straddle-type vehicle (10) to execute a safety operation (for example, causes a notification device (15) to issue a warning of the lane change to the rider), when the prediction information satisfies a determination criterion during a slipping-through traveling of the straddle-type vehicle (10).
    Type: Application
    Filed: December 2, 2020
    Publication date: February 9, 2023
    Inventor: Yasuo Yamada
  • Publication number: 20230026085
    Abstract: A recording device includes an imaging data acquisition unit configured to acquire imaging data including video data and audio data imaging an inside of a vehicle or an outside of the vehicle to which the recording device is mounted, an event detection unit configured to detect occurrence of an event for the vehicle, a recording control unit configured to record first imaging data in a recording unit when recording of the imaging data in the recording unit is caused by the event detected by the event detection unit, and record second imaging data in the recording unit when recording of the imaging data in the recording unit is not caused by the event detected by the event detection unit, and a reproduction control unit configured to reproduce the video data and the audio data included in the first imaging data when reproducing the first imaging data.
    Type: Application
    Filed: September 29, 2022
    Publication date: January 26, 2023
    Inventors: Toshitaka MURATA, Yasuo YAMADA, Keita HAYASHI
  • Publication number: 20230026851
    Abstract: The present invention obtains a control system, a controller, and a control method capable of appropriately controlling body behavior of plural motorcycles that travel in group. In a control system (1), a controller (12), and a control method according to the present invention, in plural motorcycles (10) to each of which an environment sensor (11) and the controller (12) are mounted and in each of which a control mode for controlling body behavior is executed by the controller (12) on the basis of output of the environment sensor (11), a first controller that is mounted to a first motorcycle of the plural motorcycles (10) transmits acquired information that is acquired during execution of the control mode to a second controller that is mounted to a second motorcycle other than the first motorcycle of the plural motorcycles (10), and the second controller receives the acquired information and executes the control mode on the basis of the acquired information.
    Type: Application
    Filed: November 17, 2020
    Publication date: January 26, 2023
    Inventor: Yasuo Yamada
  • Patent number: 11559869
    Abstract: A wafer edge polishing apparatus includes a cleaning mechanism exhibiting a superb effect of cleaning slurry residue adhered on a chuck table. This edge polishing device is provided with: a chuck table which sucks/holds a wafer; a rotation drive mechanism which rotates the chuck table; an edge polishing unit which polishes an edge of the wafer while supplying slurry to the wafer, which is rotating while being sucked/held by the chuck table; and a cleaning unit which removes slurry residue on the chuck table. The cleaning unit includes a cleaning head, and cleans the chuck table through high-pressure cleaning and brush-cleaning by using the cleaning head, wherein the cleaning head is provided with a high-pressure jet nozzle and a brush surrounding the periphery of the high-pressure jet nozzle.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: January 24, 2023
    Assignee: SUMCO CORPORATION
    Inventors: Makoto Ando, Tatsunori Izumi, Ryuichi Tanimoto, Yuhei Matsunaga, Yasuo Yamada
  • Patent number: 11535106
    Abstract: A power supply system includes power circuit which connects first and second batteries with a drive motor, and a management ECU which controls transfer of power between the batteries and the drive motor. The management ECU limits the output power of the second battery to no more than a second output upper limit, during combined output travel which drives the drive motor by way of the combined output of the first and second batteries. In addition, the management ECU sets the second output upper limit to a second maximum output of the second battery in the case of the first SOC of the first batter being greater than a remaining amount warning threshold, and sets the second output upper limit to a range extending upper limit which is smaller than the second maximum output, in the case of the first SOC being less than the remaining amount warning threshold.
    Type: Grant
    Filed: December 12, 2021
    Date of Patent: December 27, 2022
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Hirokazu Oguma, Yasuo Yamada, Arata Ohishi, Minoru Nagasawa, Yoshihiro Kanamaru, Yoshihisa Kato
  • Patent number: 11521105
    Abstract: A machine learning device which learns fault prediction of one of a main shaft of a machine tool and a motor driving the main shaft, including a state observation unit observing a state variable including at least one of data output from a motor controller controlling the motor, data output from a detector detecting a state of the motor, and data output from a measuring device measuring a state of the one of the main shaft and the motor; a determination data obtaining unit obtaining determination data upon determining one of whether a fault has occurred in the one of the main shaft and the motor and a degree of fault; and a learning unit learning the fault prediction of the one of the main shaft and the motor in accordance with a data set generated based on a combination of the state variable and the determination data.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: December 6, 2022
    Assignee: FANUC CORPORATION
    Inventors: Yohei Kamiya, Yasuo Yamada
  • Patent number: 11490057
    Abstract: A recording device according to an embodiment includes an imaging data acquisition unit configured to acquire imaging data including video data and audio data, an event detection unit configured to detect occurrence of an event; and a recording control unit configured to record first imaging data including the video data and the audio data in a recording unit when recording of the imaging data in the recording unit is caused by the event detected by the event detection unit, and record second imaging data including the video data and not including the audio data in the recording unit when recording of the imaging data in the recording unit is not caused by the event.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: November 1, 2022
    Assignee: JVCKENWOOD CORPORATION
    Inventors: Toshitaka Murata, Yasuo Yamada, Keita Hayashi
  • Publication number: 20220297571
    Abstract: A vehicle control device includes processor configured to execute computer-readable instructions to perform. The processor is configured to acquiring a state of a first battery and a state of a second battery, acquiring at least first actual output power of the first battery, calculating a first upper power limit value based on the state of the first battery, calculating a second upper power limit value based on the state of the second battery, and controlling a power conversion process of a power convertor based on the calculated upper power limit values, requested power from a vehicle to be output to a motor, and the first actual output power. The controlling of the power conversion process includes, when output instruction content for iteratively issuing an instruction is determined, calculating the second requested power obtained by correcting currently requested power based on a difference between previously requested power and the first actual output power.
    Type: Application
    Filed: February 16, 2022
    Publication date: September 22, 2022
    Inventors: Hirokazu Oguma, Yasuo Yamada, Arata Ohishi, Minoru Nagasawa, Yoshihiro Kanamaru
  • Publication number: 20220297573
    Abstract: A vehicle control device includes a processor configured to execute computer-readable instructions to perform. The processor is configured to acquiring a state of a first battery and a state of a second battery having lower capacity and higher power than the first battery, calculating a first upper power limit value based on the state of the first battery, calculating a second upper power limit value based on the state of the second battery, and calculating a power output ratio between amounts of electric power to be supplied from the first battery and the second battery to a motor that outputs motive power for traveling based on the first upper power limit value and the second upper power limit value, and controlling electric power to be output to the motor based on a traveling mode of a vehicle, a maximum driving force in the motor, and the power output ratio.
    Type: Application
    Filed: February 9, 2022
    Publication date: September 22, 2022
    Inventors: Hirokazu Oguma, Yoshihiro Kanamaru, Yasuo Yamada
  • Publication number: 20220302737
    Abstract: A power supply system includes: a first power circuit having a first battery and a first power line; a second power circuit having a second battery and a second power line; a voltage converter; a power converter; a first voltage acquisition unit which acquires a first closed circuit voltage lower limit CCVmin1 of the first battery; a second voltage acquisition unit which acquires a second closed circuit voltage lower limit CCVmin2 of the second battery; and a power control unit which operates the second power circuit based on a requested power, in which the power control unit isolates the second battery from the second power lines, in a case of a voltage difference between the first closed circuit voltage lower limit CCVmin1 and the second closed circuit voltage lower limit CCVmin2 becoming less than a first voltage threshold value A while output limitation of the second battery is being requested.
    Type: Application
    Filed: February 23, 2022
    Publication date: September 22, 2022
    Inventors: Arata OHISHI, Hirokazu OGUMA, Yasuo YAMADA, Minoru NAGASAWA, Yoshihiro KANAMARU
  • Publication number: 20220302736
    Abstract: A power supply system includes: a first power circuit having a first battery, a second power circuit having a second battery, a voltage converter which converts voltage between the first power circuit and the second power circuit, a power converter which converts power between the first power circuit and the drive motor, a power control unit which controls charge/discharge of the first and second batteries by operating the voltage converter and the power converter, a first voltage parameter acquisition unit which calculates an effective value for the closed circuit voltage of the first battery as a first voltage parameter, a second voltage parameter acquisition unit which calculates the static voltage of the second battery as a second voltage parameter, in which the power control unit causes power to discharge from the second battery so that the second voltage parameter becomes no more than the first voltage parameter.
    Type: Application
    Filed: February 23, 2022
    Publication date: September 22, 2022
    Inventors: Minoru NAGASAWA, Hirokazu OGUMA, Arata OHISHI, Yasuo YAMADA, Yoshihiro KANAMARU