Patents by Inventor Takayuki Asami

Takayuki Asami 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: 11813954
    Abstract: When software of a first electronic control unit that controls charging of an auxiliary machinery battery from a power supply by controlling a charging device is rewritten, an onboard system is configured so that charging of the auxiliary machine battery from the power supply is controlled by one or more electronic control units different from the first electronic control unit. Accordingly, even when the software of the first electronic control unit that controls the charging of the auxiliary machinery battery is rewritten, the auxiliary machinery battery can be charged by one or more electronic control units different from the first electronic control unit when the software is rewritten, and the power for rewriting the software of the first electronic control unit can be secured. This can ensure power to rewrite the software of the first electronic control unit.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: November 14, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Takayuki Asami
  • Publication number: 20220032807
    Abstract: When software of a first electronic control unit that controls charging of an auxiliary machinery battery from a power supply by controlling a charging device is rewritten, an onboard system is configured so that charging of the auxiliary machine battery from the power supply is controlled by one or more electronic control units different from the first electronic control unit. Accordingly, even when the software of the first electronic control unit that controls the charging of the auxiliary machinery battery is rewritten, the auxiliary machinery battery can be charged by one or more electronic control units different from the first electronic control unit when the software is rewritten, and the power for rewriting the software of the first electronic control unit can be secured. This can ensure power to rewrite the software of the first electronic control unit.
    Type: Application
    Filed: June 30, 2021
    Publication date: February 3, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Takayuki ASAMI
  • Patent number: 9701174
    Abstract: A hybrid vehicle includes a control unit. The control unit limits an output of an electrically powered compressor included in an air conditioner when a shutter has a closed failure in which the shutter cannot be set to an opened state.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: July 11, 2017
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Masashi Yoshimi, Takayuki Asami
  • Patent number: 9580071
    Abstract: A hybrid vehicle includes an internal combustion engine, an electric power storage device, an electric motor, a shutter, and an electronic control unit. The shutter is configured to introduce air into an engine compartment of the hybrid vehicle from outside the hybrid vehicle during traveling of the hybrid vehicle in a state where the shutter is open. The electronic control unit is configured to control the internal combustion engine, the electric motor and the shutter. The electronic control unit is configured to control the hybrid vehicle such that starting of the internal combustion engine is more suppressed in a case where the shutter is in a malfunctioning state than in a case where the shutter is not in the malfunctioning state. The malfunctioning state is a state where an opening degree of the shutter does not reach a predetermined opening degree.
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: February 28, 2017
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Takayuki Asami, Masashi Yoshimi
  • Publication number: 20160318371
    Abstract: A hybrid vehicle includes a control unit. The control unit limits an output of an electrically powered compressor included in an air conditioner when a shutter has a closed failure in which the shutter cannot be set to an opened state.
    Type: Application
    Filed: November 18, 2014
    Publication date: November 3, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masashi YOSHIMI, Takayuki ASAMI
  • Publication number: 20150353077
    Abstract: A hybrid vehicle includes an internal combustion engine, an electric power storage device, an electric motor, a shutter, and an electronic control unit. The shutter is configured to introduce air into an engine compartment of the hybrid vehicle from outside the hybrid vehicle during traveling of the hybrid vehicle in a state where the shutter is open. The electronic control unit is configured to control the internal combustion engine, the electric motor and the shutter. The electronic control unit is configured to control the hybrid vehicle such that starting of the internal combustion engine is more suppressed in a case where the shutter is in a malfunctioning state than in a case where the shutter is not in the malfunctioning state. The malfunctioning state is a state where an opening degree of the shutter does not reach a predetermined opening degree.
    Type: Application
    Filed: June 8, 2015
    Publication date: December 10, 2015
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takayuki ASAMI, Masashi YOSHIMI
  • Patent number: 9174629
    Abstract: A vehicle includes a driving source, a shutter device, and a controller. The driving source is configured to generate a driving force. The shutter device is configured to adjust an amount of air for cooling the driving source. The controller is configured to control the driving source and is configured to restrict an operation of the driving source based on a temperature of the driving source when a failure of the shutter device is detected.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: November 3, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Takayuki Asami, Masashi Yoshimi
  • Publication number: 20140297081
    Abstract: A vehicle includes a driving source, a shutter device, and a controller. The driving source is configured to generate a driving force. The shutter device is configured to adjust an amount of air for cooling the driving source. The controller is configured to control the driving source and is configured to restrict an operation of the driving source based on a temperature of the driving source when a failure of the shutter device is detected.
    Type: Application
    Filed: April 1, 2014
    Publication date: October 2, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takayuki Asami, Masashi Yoshimi
  • Patent number: 8818596
    Abstract: Provided is a technology capable of ensuring drivability of an electric vehicle while preventing thermal destruction of its parts and deterioration of a battery, caused by an LC resonance. The present specification discloses a motor controller for an electric vehicle having a battery, a converter circuit, an inverter circuit, a smoothing capacitor, and a motor, the motor controller configured to control a drive of the motor by controlling an operation of the inverter circuit. In this motor controller, an operating region of the motor that causes a resonance of an LC circuit configured by a reactor of the converter circuit and the smoothing capacitor is set as a resonance region. In this motor controller, execution of square-wave control on the motor is permitted only over a predetermined time period, when the converter circuit is not boosting the DC power and an operating point of the motor is included in the resonance region.
    Type: Grant
    Filed: October 26, 2011
    Date of Patent: August 26, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Takayuki Asami
  • Publication number: 20130110334
    Abstract: Provided is a technology capable of ensuring drivability of an electric vehicle while preventing thermal destruction of its parts and deterioration of a battery, caused by an LC resonance. The present specification discloses a motor controller for an electric vehicle having a battery, a converter circuit, an inverter circuit, a smoothing capacitor, and a motor, the motor controller configured to control a drive of the motor by controlling an operation of the inverter circuit. In this motor controller, an operating region of the motor that causes a resonance of an LC circuit configured by a reactor of the converter circuit and the smoothing capacitor is set as a resonance region. In this motor controller, execution of square-wave control on the motor is permitted only over a predetermined time period, when the converter circuit is not boosting the DC power and an operating point of the motor is included in the resonance region.
    Type: Application
    Filed: October 26, 2011
    Publication date: May 2, 2013
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAIHSA
    Inventor: Takayuki Asami
  • Patent number: 8421451
    Abstract: An assembling structure is provided which is capable of greatly reducing the material cost, is easy-to-assemble, and can be made smaller. The sensor body is provided on a lower face with a protrusion, which comes into contact with an upper face of the busbar when the sensor body is mounted on the busbar. The busbar is provided with a through-hole passing through the busbar in a vertical direction. A leading end of the protrusion, which passes through the through-hole when the sensor body is mounted on the busbar, is heat-fused and adheres to the circumference of the through-hole.
    Type: Grant
    Filed: January 18, 2010
    Date of Patent: April 16, 2013
    Assignee: Yazaki Corporation
    Inventors: Yasunori Kawaguchi, Toshirou Mochizuki, Takayuki Asami
  • Publication number: 20110148407
    Abstract: An assembling structure is provided which is capable of greatly reducing the material cost, is easy-to-assemble, and can be made smaller. The sensor body is provided on a lower face with a protrusion, which comes into contact with an upper face of the busbar when the sensor body is mounted on the busbar. The busbar is provided with a through-hole passing through the busbar in a vertical direction. A leading end of the protrusion, which passes through the through-hole when the sensor body is mounted on the busbar, is heat-fused and adheres to the circumference of the through-hole.
    Type: Application
    Filed: January 18, 2010
    Publication date: June 23, 2011
    Applicant: YAZAKI CORPORATION
    Inventors: Yasunori Kawaguchi, Toshirou Mochizuki, Takayuki Asami