Patents by Inventor KENTA MURAKAMI

KENTA MURAKAMI 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: 20230086104
    Abstract: An apparatus includes at least one of an actuator or a heater, and a controller that controls the at least one of the actuator or the heater. The controller: obtains an application defined by a plurality of blocks that drive the at least one of the actuator or the heater; consults a rule that when one block included in two or more given blocks is executed, prohibits at least one of remaining blocks included in the two or more given blocks from not being executed, and modifies the application when the rule applies to a plurality of blocks included in the application; and drives the at least one of the actuator or the heater based on the modified application.
    Type: Application
    Filed: December 1, 2022
    Publication date: March 23, 2023
    Inventors: Kenta MURAKAMI, Satoshi SUEMASU, Tatsuhiro KISHI, Kazuki SAKAMOTO, Hayato NARUSE
  • Publication number: 20230085964
    Abstract: An information processing method includes: selecting M blocks as M selected blocks from among N blocks for driving at least one of an actuator or a heater included in an apparatus, in accordance with an input operation performed by an operator; generating an application, by setting the order of the M selected blocks in accordance with an input operation performed by the operator; consulting a rule that prohibits two or more given blocks from being executed in a given order, and when information included in the application that indicates the order of the M selected blocks correlates with the given order, modifying the application by changing the order in which each of the M selected blocks is executed; and outputting the modified application.
    Type: Application
    Filed: December 1, 2022
    Publication date: March 23, 2023
    Inventors: Tatsuhiro KISHI, Kenta MURAKAMI, Satoshi SUEMASU, Kazuki SAKAMOTO, Hayato NARUSE
  • Publication number: 20230053662
    Abstract: A linear motor system includes: a stator including first to tenth coils; a mover including a permanent magnet; a switcher that switches one or more power supply target coils; and first to tenth amplifiers provided in one-to-one correspondence with first to tenth coils. One or more amplifiers that serve as new one or more power supply target amplifiers immediately after the switching calculate ?? (t0), which is a position deviation at time t=t0, based on ?? (t0)=?? (t0?td)+A?B, where A is a difference between an instructed position at time t=t0 and an instructed position at time t=t0?td, and B is a difference between an actual position at time t=t0 and an actual position at time t=t0?td, and supply power to the power supply target coils by the position deviation A? (t0).
    Type: Application
    Filed: December 23, 2020
    Publication date: February 23, 2023
    Inventors: Hayata SAKAI, Toru TAZAWA, Kenta MURAKAMI, Yusuke NONOGAKI, Renya KAWAKAMI
  • Publication number: 20230057511
    Abstract: A linear motor system includes: a stator including first to tenth coils; a mover including a permanent magnet; a switcher that switches one or more power supply target coils that serve as power supply targets; and a control device that supplies power to the one or more power supply target coils by using a total mass calculated based on a mass of the permanent magnet. The control device includes: an acquirer that acquires a total number of the one or more power supply target coils; a speed control unit that calculates a post-division total mass by dividing the total mass by the total number of the one or more power supply target coils, and generates a torque instruction by using the post-division total mass; and a current control unit that supplies power to the one or more power supply target coils based on the torque instruction.
    Type: Application
    Filed: December 23, 2020
    Publication date: February 23, 2023
    Inventors: Kenta MURAKAMI, Renya KAWAKAMI, Toru TAZAWA, Yusuke NONOGAKI
  • Publication number: 20230015803
    Abstract: A linear motor system includes: a stator including first to tenth coils; a mover including a permanent magnet; a switcher that switches one or more power supply target coils; and a control device that supplies power to the one or more power supply target coils by using a deviation integral value obtained by integrating a speed deviation that is a difference between an instructed speed of the mover and an actual speed of the mover. The control device includes: a compensator that calculates a post-division deviation integral value by dividing a post-summation deviation integral value, which is a value obtained by summing the deviation integral value used to supply power to each of the one or more power supply target coils immediately before the switching, by the total number of the one or more power supply target coils immediately after the switching; and a current control unit.
    Type: Application
    Filed: December 1, 2020
    Publication date: January 19, 2023
    Inventors: Renya KAWAKAMI, Kenta MURAKAMI, Toru TAZAWA, Yusuke NONOGAKI
  • Publication number: 20220216813
    Abstract: A motor control system includes a control unit and a compensator. The control unit controls an operation of a shaft of a motor in accordance with an operation command for the motor. The compensator calculates compensation information based on an other-shaft information about an operation of another shaft of another motor different from the motor. The compensation information is information for compensating an influence of the operation of the other shaft upon the shaft. The control unit controls the operation of the shaft using the compensation information calculated by the compensator.
    Type: Application
    Filed: March 13, 2020
    Publication date: July 7, 2022
    Inventors: KENTA MURAKAMI, HIROSHI FUJIWARA
  • Patent number: 11344466
    Abstract: In an assistance apparatus, when assisting a user in walking with an object, a motor generates, in a gait phase of a left leg, a tension less than a second threshold value in a first wire during a fifth period other than a first period during which a tension greater than or equal to a first threshold value is generated in the first wire, and a tension greater than or equal to the second threshold value in a second wire during a sixth period other than a second period during which a tension greater than or equal to the first threshold value is generated in the second wire, and generates, in a gait phase of a right leg, a tension less than the second threshold value in a third wire during a seventh period other than a third period during which a tension greater than or equal to the first threshold value is generated in the third wire, and a tension greater than or equal to the second threshold value in a fourth wire during an eighth period other than a fourth period during which a tension greater than or equal
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: May 31, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kenta Murakami, Stephen William John, Hiroki Takeuchi, Shinobu Adachi
  • Patent number: 11246789
    Abstract: An assistance apparatus includes wires, each of which couples an upper-body belt and one of left and right knee belts to each other, and a motor. To promote implementation of first assistance for a user in walking while carrying an object, the motor generates a tension greater than or equal to a third threshold value in a second wire and a fourth wire, a tension greater than or equal to the third threshold value in the second wire and a third wire, and a tension greater than or equal to the third threshold value in a first wire and the fourth wire.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: February 15, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kenta Murakami, Stephen William John, Hiroki Takeuchi, Shinobu Adachi
  • Patent number: 11241356
    Abstract: A walking assistance apparatus includes a knee fastener, a heel fastener, a first wire and a second wire connected to the knee fastener and the heel fastener, a first motor connected to the first wire, a second motor connected to the second wire, and a control circuit that controls the first motor and the second motor. The first wire is connected to a first position included in a right-half region of the heel fastener. The second wire is connected to a second position included in a left-half region of the heel fastener. The control circuit acquires gait information of the user, and, based on the gait information, the control circuit controls the first motor to reduce a length of the first wire and the second motor to reduce a length of the second wire at a predetermined timing.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: February 8, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Stephen William John, Jun Ozawa, Mayumi Komatsu, Kenta Murakami
  • Publication number: 20220001731
    Abstract: An upper vehicle-body structure includes a cover that fits in an opening in a roof panel of a vehicle; a sunroof device that moves the cover between a one position in the opening and another position out of the opening; and a deflector which extends in a vehicle width direction along a front end edge portion of the sunroof device and is shifted to an upper position above the opening in a case that an opening operation of the cover is performed. The deflector includes plural raised walls having upper end portions and plural recesses which are alternately disposed with the raised walls in the vehicle width direction, each recess extending in a vehicle front-rear direction, and blocking wall portions protruding to a height not lower than the upper end portions of the raised walls are respectively provided in rear end portions of the plural recesses.
    Type: Application
    Filed: June 25, 2021
    Publication date: January 6, 2022
    Applicant: Mazda Motor Corporation
    Inventors: Yasuyuki SHIGYOU, Kazuhiko HIASA, Tatsuo KOIBUCHI, Kenta MURAKAMI, Yuna TANITA, Junji KISHIMOTO
  • Patent number: 11147464
    Abstract: A pulse wave measuring apparatus includes a visible light receiver having a first surface and a pulse wave calculator. When a vehicle with the visible light receiver is viewed from a side, the first surface is in a first region between a first optical path of first reflection light and a second optical path of second reflection light, first light comes from an eye of a user on a seat of the vehicle, second light comes from a cheek of the user, an upper end of a rearview mirror of the vehicle reflects the first light to produce the first reflection light and reflects the second light to produce the second reflection light, and the pulse wave calculator calculates a pulse wave of the user on the basis of a waveform of visible light received by the visible light receiver via the first surface and outputs the calculated pulse wave.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: October 19, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kenta Murakami, Jun Ozawa, Mototaka Yoshioka
  • Patent number: 11103413
    Abstract: An assistance apparatus includes wires, each of which couples an upper-body belt and one of left and right knee belts to each other, and a motor.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: August 31, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Stephen William John, Kenta Murakami, Hiroki Takeuchi, Shinobu Adachi
  • Patent number: 11103410
    Abstract: An assistance apparatus includes a first wire and a second wire that couple an upper-body belt and a left knee belt to each other on or above a front part and back part of the body of a user, respectively, a third wire and a fourth wire that couple the upper-body belt and a right knee belt to each other on or above the front part and back part of the body of the user, respectively, a motor, a left sensor on the left hand of the user, and a right sensor on the right hand of the user. When a force is applied to the left sensor and no force is applied to the right sensor, the motor makes the tension of the second wire and the third wire greater than the tension of the first wire and the fourth wire. When a force is applied to the right sensor and no force is applied to the left sensor, the motor makes the tension of the first wire and the fourth wire greater than the tension of the second wire and the third wire.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: August 31, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kenta Murakami, Stephen William John, Hiroki Takeuchi, Shinobu Adachi
  • Patent number: 11103414
    Abstract: An assistance apparatus includes a first wire and a second wire that couple an upper-body belt and a left knee belt to each other, respectively, a third wire and a fourth wire that couple the upper-body belt and a right knee belt to each other, respectively, and a motor. When assistance is stopped, the motor is configured to reduce tension of the first wire during a first stop period starting in a boundary period in a first period and ending in a start period of a second period, generate no tension in the second wire during the second period, reduce tension of the third wire during a second stop period starting in a boundary period in a third period and ending in a start period of a fourth period, and generate no tension in the fourth wire during the fourth period.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: August 31, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kenta Murakami, Stephen William John, Hiroki Takeuchi, Shinobu Adachi
  • Patent number: 11096857
    Abstract: An assistance apparatus includes a first wire and a second wire that couple an upper-body belt and a left knee belt to each other on or above a front part and back part of the body of a user, respectively, a third wire and a fourth wire that couple the upper-body belt and a right knee belt to each other on or above the front part and back part of the body of the user, respectively, a motor, a left sensor on the left hand of the user, and a right sensor on the right hand of the user. When a left sensor value of the left sensor is larger than a right sensor value of the right sensor, the tension of the first wire and the second wire is made greater than the tension of the third wire and the fourth wire. When the right sensor value is larger than the left sensor value, the tension of the third wire and the fourth wire is made greater than the tension of the first wire and the second wire.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: August 24, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kenta Murakami, Stephen William John, Hiroki Takeuchi, Shinobu Adachi
  • Patent number: 11052013
    Abstract: There is provided an assistance apparatus in which when assistance provided to a user in walking is to be stopped, a motor reduces a tension of a first wire and a tension of a second wire, which couple an upper-body belt and a left knee belt to each other on or above a front part and a back part of a body of the user, to less than a second threshold value during a first stop period in a gait phase of a left leg of the user, the first stop period being a period from a period included in a first period and including a timing at which the left leg shifts from a stance phase to a swing phase to a start period of a second period, and reduces a tension of a third wire and a tension of a fourth wire, which couple the upper-body belt and a right knee belt to each other on or above the front part and back part of the body of the user, to less than the second threshold value during a second stop period in a gait phase of a right leg of the user, the second stop period being a period from a period included in a third pe
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: July 6, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kenta Murakami, Stephen William John, Hiroki Takeuchi, Shinobu Adachi
  • Patent number: 11020307
    Abstract: An assist system includes a fist belt worn on an upper body part of a user, a second belt worn on a knee of the user, a wire, a motor coupled with a first end of the wire and disposed on the first or second belt, a drive controller that controls drive of the motor, a gyro sensor that is disposed on the second belt and that measures an angular velocity about a direction perpendicular to the direction of the wire, and a controller. When the angular velocity is greater than or equal to a first threshold with a first tension being applied to the wire using the motor, the controller outputs first information. A second end of the wire is coupled with the second belt when the motor is disposed on the first belt but coupled with the first belt when the motor is disposed on the second belt.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: June 1, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kenta Murakami, Stephen John, Mayumi Komatsu, Jun Ozawa
  • Patent number: 11006844
    Abstract: A pulse wave measuring device includes a processor and a memory. The processor obtains a visible light image, in a visible light wavelength range, of a user irradiated with visible light by a visible light source, obtains an infrared light image, in an infrared light wavelength range, of the user irradiated with infrared light by an infrared light source, extracts a visible light wave indicative of a user's pulse wave from the visible light image, extracts an infrared light wave indicative of a user's pulse wave from the infrared light image, computes a correlation value between the visible and infrared light waves, supplies a control signal for controlling the amount of infrared light emitted from the infrared light source to the infrared light source in accordance with the correlation value, calculates biological information by using at least one of the visible and infrared light waves, and outputs the biological information.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: May 18, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kenta Murakami, Mototaka Yoshioka, Jun Ozawa
  • Patent number: 10980699
    Abstract: A walking assistance apparatus includes a suit to be worn on a knee and waist of a user, a first wire that couples a portion included in the suit and worn above the knee to a portion included in the suit and worn on the waist, a second wire that couples a portion included in the suit and worn above a back of the knee to a portion included in the suit and worn on the waist, and motors coupled to the first and second wires. The motors are controlled to generate tensions so that each of the first and second wires has a stiffness greater than 200 N/m during a first period including a period of 95% or more and 100% or less of a first gait cycle of the user and a period of 0% or more and 50% or less of a second gait cycle subsequent to the first gait cycle.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: April 20, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Mayumi Komatsu, Stephen William John, Kenta Murakami, Jun Ozawa
  • Patent number: 10945909
    Abstract: An assistance apparatus includes first to eighth wires that couple an upper body belt to be worn on an upper body of a user to a first knee belt and a second knee belt to be worn above a left knee and a right knee of the user, respectively, and a motor. In a case of assisting the user in turning left, the motor generates, when a left leg is in a swing phase and a right leg is in a stance phase, a tension in each of the second, third, sixth, and seventh wires at an identical timing. In a case of assisting the user in turning right, the motor generates, when the left leg is in a stance phase and the right leg is in a swing phase, a tension in each of the second, third, sixth, and seventh wires at an identical timing.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: March 16, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kenta Murakami, Stephen John, Mayumi Komatsu, Shinobu Adachi