Patents by Inventor Ken Kuretake

Ken Kuretake 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: 11203338
    Abstract: A vehicle comprising an internal combustion engine, a preceding vehicle information acquiring device for acquiring preceding vehicle information relating to a preceding vehicle, including a parameter relating to a distance between vehicles which becomes greater the wider the distance between a host vehicle and the preceding vehicle, and an electronic control unit for controlling the internal combustion engine, in which, the electronic control unit is configured to initiate an idle reduction mode where the internal combustion engine is made to automatically stop when a preset engine stop condition stands and to continue the idle reduction mode if the preceding vehicle is decelerating or has stopped and to make the internal combustion engine automatically restart if the preceding vehicle is accelerating or is running at an equal speed when the parameter becomes a first predetermined value or more during the idle reduction mode.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: December 21, 2021
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Ken Kuretake
  • Publication number: 20210107385
    Abstract: A vibration damping system configured to improve ride quality as well as controllability and stability of a vehicle. The vibration damping system is applied to a vehicle comprising a vehicle body suspension, and a seat suspension including a spring and a damper. The vibration damping system is configured to: estimate acceleration of a sprung seat mass and a resonance frequency when vibrations propagates to the sprung seat mass; calculate a target value of the acceleration of the sprung seat mass; and set a spring constant of the spring and a damping coefficient of the damper to values possible to achieve the target value of the acceleration of the sprung seat mass, before the vibrations propagate to the sprung seat mass.
    Type: Application
    Filed: October 13, 2020
    Publication date: April 15, 2021
    Inventor: Ken Kuretake
  • Patent number: 10894537
    Abstract: A speed change control system that suppress a change in a vehicle behavior, and prevents a reduction in an energy efficiency. The speed change control system is applied to a vehicle comprising: a transmission; a wheel connected to the transmission; a motor in which torque or speed is changed by changing a speed ratio of the transmission; and an electric storage device connected to the motor. A controller is configured to select a first mode if an SOC level of an electric storage device is lower than a predetermined level, and select a second mode if the SOC level of the electric storage device is equal to or higher than the predetermined level.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: January 19, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Ken Kuretake
  • Publication number: 20190344779
    Abstract: A speed change control system that suppress a change in a vehicle behavior, and prevents a reduction in an energy efficiency. The speed change control system is applied to a vehicle comprising: a transmission; a wheel connected to the transmission; a motor in which torque or speed is changed by changing a speed ratio of the transmission; and an electric storage device connected to the motor. A controller is configured to select a first mode if an SOC level of an electric storage device is lower than a predetermined level, and select a second mode if the SOC level of the electric storage device is equal to or higher than the predetermined level.
    Type: Application
    Filed: April 25, 2019
    Publication date: November 14, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Ken KURETAKE
  • Publication number: 20190118798
    Abstract: A vehicle comprising an internal combustion engine, a preceding vehicle information acquiring device for acquiring preceding vehicle information relating to a preceding vehicle, including a parameter relating to a distance between vehicles which becomes greater the wider the distance between a host vehicle and the preceding vehicle, and an electronic control unit for controlling the internal combustion engine, in which, the electronic control unit is configured so that when the parameter becomes a first predetermined value or more during the idle reduction mode where the internal combustion engine is automatically made to stop, it makes the internal combustion engine automatically restart and so that if the host vehicle continues stopped even after making the internal combustion engine automatically restart, it again makes the internal combustion engine automatically stop when the preceding vehicle has stopped before the parameter becomes a second predetermined value larger than the first predetermined value.
    Type: Application
    Filed: October 23, 2018
    Publication date: April 25, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Ken KURETAKE
  • Publication number: 20190118812
    Abstract: A vehicle comprising an internal combustion engine, a preceding vehicle information acquiring device for acquiring preceding vehicle information relating to a preceding vehicle, including a parameter relating to a distance between vehicles which becomes greater the wider the distance between a host vehicle and the preceding vehicle, and an electronic control unit for controlling the internal combustion engine, in which, the electronic control unit is configured to initiate an idle reduction mode where the internal combustion engine is made to automatically stop when a preset engine stop condition stands and to continue the idle reduction mode if the preceding vehicle is decelerating or has stopped and to make the internal combustion engine automatically restart if the preceding vehicle is accelerating or is running at an equal speed when the parameter becomes a first predetermined value or more during the idle reduction mode.
    Type: Application
    Filed: October 18, 2018
    Publication date: April 25, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Ken KURETAKE
  • Publication number: 20190017486
    Abstract: A control system of a vehicle has an automatic stop and restart function to automatically stop an engine when automatic stop conditions are fulfilled, and restart the engine when normal restart conditions are fulfilled during automatic stop of the engine, and a notifying function to notify a driver of starting of a preceding vehicle, when an intervehicular distance from the preceding vehicle during stopping becomes equal to or larger than a first predetermined distance. The automatic stop and restart function includes a synchronous restart function of restarting the engine, in synchronization with notification by the notifying function, even when the normal restart conditions are not fulfilled. When notification fixation is detected, the synchronous restart function is restricted, and restart of the engine is inhibited until the normal restart conditions are fulfilled.
    Type: Application
    Filed: June 18, 2018
    Publication date: January 17, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Ken Kuretake
  • Publication number: 20180372053
    Abstract: A control system is intended for a vehicle having an automatic stop-restart function that automatically stops an engine when a predetermined automatic stop condition is satisfied and restarts the engine when a predetermined restart condition is satisfied during an automatic engine stop. The control system has an automatic stop restricting function that, when the host vehicle is located in a first predetermined area before a temporary stop sign, prohibits an automatic stop of the engine. When a preceding vehicle is located in the first predetermined area, the automatic stop restricting function is deactivated.
    Type: Application
    Filed: June 5, 2018
    Publication date: December 27, 2018
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Ken KURETAKE
  • Patent number: 9846430
    Abstract: A vehicle control system includes: an outside-of-vehicle operation device configured to cause a vehicle to travel operated by an operator from outside of the vehicle, inside of a compartment of the vehicle being isolated from the outside of the vehicle by a vehicle body; an assist instruction device configured to cause the operator to select a travel mode in which the vehicle is allowed to travel by an operation of the outside-of-vehicle operation device; a parking brake operation detector configured to detect an operation of a parking brake; and a warning device configured to issue warning in a compartment to stimulate sense of hearing or sense of sight at the time the travel mode is selected and the operation of the parking brake is detected.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: December 19, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yu Hiei, Ryuji Okamura, Ken Kuretake, Kotaro Saiki, Koichiro Yamauchi
  • Publication number: 20160378104
    Abstract: A vehicle control system includes: an outside-of-vehicle operation device configured to cause a vehicle to travel operated by an operator from outside of the vehicle, inside of a compartment of the vehicle being isolated from the outside of the vehicle by a vehicle body; an assist instruction device configured to cause the operator to select a travel mode in which the vehicle is allowed to travel by an operation of the outside-of-vehicle operation device; a parking brake operation detector configured to detect an operation of a parking brake; and a warning device configured to issue warning in a compartment to stimulate sense of hearing or sense of sight at the time the travel mode is selected and the operation of the parking brake is detected.
    Type: Application
    Filed: June 25, 2014
    Publication date: December 29, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yu HIEI, Ryuji OKAMURA, Ken KURETAKE, Kotaro SAIKI, Koichiro YAMAUCHI
  • Publication number: 20160207527
    Abstract: An automatic driving apparatus comprising: a driving mode switching unit that switches a driving mode between an automatic driving mode and a manual driving mode; a first determination unit that determines whether or not a switching operation is performed to switch from the automatic driving mode to the manual driving mode by operation means; and a second determination unit that determines whether or not the driving operation is performed, wherein, in a case where the switching operation is determined to be performed while the vehicle is moving in the automatic driving mode, the driving mode switching unit switches the driving mode to the manual driving mode when the driving operation is determined to be performed and the driving mode switching unit does not switch the driving mode to the manual driving mode when the driving operation is determined not to be performed.
    Type: Application
    Filed: November 11, 2013
    Publication date: July 21, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yu HIEI, Ryuji OKAMURA, Ken KURETAKE, Kotaro SAIKI, Koichiro YAMAUCHI
  • Patent number: 8774998
    Abstract: Provided is a vehicle control device 1 for supporting deceleration in order to stop a vehicle at a predetermined stop location, the vehicle control device 1 including energy regeneration amount computation means 11 for computing an energy regeneration amount caused by deceleration, and operational timing determination means 12 for determining an operational timing in the deceleration based on the energy regeneration amount. It is possible to realize traveling of the vehicle with excellent fuel consumption without degrading the overall energy regeneration amount when the vehicle stops.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: July 8, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Ken Kuretake
  • Publication number: 20130245866
    Abstract: Provided is a vehicle control device 1 for supporting deceleration in order to stop a vehicle at a predetermined stop location, the vehicle control device 1 including energy regeneration amount computation means 11 for computing an energy regeneration amount caused by deceleration, and operational timing determination means 12 for determining an operational timing in the deceleration based on the energy regeneration amount. It is possible to realize traveling of the vehicle with excellent fuel consumption without degrading the overall energy regeneration amount when the vehicle stops.
    Type: Application
    Filed: December 2, 2010
    Publication date: September 19, 2013
    Inventor: Ken Kuretake
  • Patent number: 7301245
    Abstract: A control system for a vehicle power supply for supplying power to a predetermined power receiving portion includes a first power generating power supply portion, second power generating power supply portion, and controller. The controller is arranged to set the voltage to be output to the power receiving portion from one of the power generating power supply portions in accordance with the output voltage of the other of the power generating power supply portions. With this arrangement, the power receiving portion is prevented from being supplied with an excessive amount of power, and when power regeneration is being performed by the second power generating power supply portion, the regenerated power is effectively used. Thus, the fuel economy of the vehicle can be increased.
    Type: Grant
    Filed: January 22, 2003
    Date of Patent: November 27, 2007
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Masanori Sugiura, Hiroshi Tsujii, Ken Kuretake, Hideto Hanada, Takashi Kawai
  • Patent number: 7098556
    Abstract: In a control system of a regeneration system, electric power generated by a first electric generator is supplied to a first electric power storing device, and electric power is transmitted, via an intermediary device, between the first electric power storing device and a second electric power storing device which is provided separately from the first electric power storing device. The control system of a regeneration system includes determination means for determining whether or not an electric power generation amount of the first electric generator is equal to or larger than a predetermined amount, and electric power storing performance control means for determining whether or not the electric power of the second electric power storing device is to be supplied to the first electric power storing device via the intermediary device based on a determination result of the determination means.
    Type: Grant
    Filed: March 20, 2003
    Date of Patent: August 29, 2006
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Takashi Kawai, Hiroshi Tsujii, Ken Kuretake, Masanori Sugiura, Hideto Hanada
  • Patent number: 6941917
    Abstract: A control system of an internal combustion engine controls the starting of an internal combustion engine, which has been stopped, based on the establishment of a predetermined starting condition. The control system is provided with at least two power sources, a low-voltage power source and a high-voltage power source, a starting mechanism that is driven by the power source so as to operate the internal combustion engine, and a switching mechanism for switching between a connection, of the starting mechanism, to the low-voltage power source and a connection, of the starting mechanism, to the high-voltage power source.
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: September 13, 2005
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Takashi Kawai, Hiroshi Tsujii, Ken Kuretake, Masanori Sugiura, Hideto Hanada
  • Patent number: 6904342
    Abstract: A control apparatus for use in a vehicle for controlling an energy storage device adapted to discharge electric power that varies with a temperature is provided. The control apparatus includes a temperature sensor that measures a temperature associated with the energy storage device, and a voltage control unit that sets a minimum storage voltage of the energy storage device to a relatively high voltage level when the temperature measured by the temperature sensor is lower than a predetermined temperature, as compared with a voltage level to which the minimum storage voltage is set when the temperature is higher than the predetermined temperature.
    Type: Grant
    Filed: January 8, 2003
    Date of Patent: June 7, 2005
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hideto Hanada, Hiroshi Tsujii, Takashi Kawai, Masanori Sugiura, Ken Kuretake
  • Patent number: 6898506
    Abstract: The braking force control apparatus for a vehicle which has a function of applying a braking force to the vehicle by rotational resistance of the engine, by stopping the fuel supply to the engine during coasting of the vehicle and by controlling a torque capacity of a torque capacity control device that is provided between the engine and a wheel so that the torque capacity becomes equal to or higher than a predetermined value, and of decreasing the torque capacity of the torque capacity control device when a predetermined condition is satisfied, and has a function of applying the braking force to the vehicle by a function of an electric power generator which is coupled with the wheel such that power can be transmitted. The braking force control apparatus includes braking force control means which increases a braking force that is generated by the function of the electric power generator when the torque capacity of the torque capacity control device is decreased.
    Type: Grant
    Filed: March 20, 2003
    Date of Patent: May 24, 2005
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Takashi Kawai, Hiroshi Tsujii, Ken Kuretake, Masanori Sugiura, Hideto Hanada
  • Patent number: 6823827
    Abstract: A control apparatus and method of an internal combustion engine performs a predetermined stop control of the engine that includes a control to stop the supply of fuel to the engine upon establishment of a predetermined stop condition, and a re-start control that includes a control to restart the supply of fuel to the engine in response to the establishment of a predetermined re-start condition. The apparatus has a stop control discontinuing device for discontinuing the stop control if the re-start condition is established within a predetermined period between establishment of the stop condition and a stop of the engine.
    Type: Grant
    Filed: August 12, 2002
    Date of Patent: November 30, 2004
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Masanori Sugiura, Hiroshi Tsujii, Ken Kuretake, Hideto Hanada, Takashi Kawai, Tomohiro Kaneko
  • Patent number: 6809502
    Abstract: In order to provide a storage battery control apparatus capable of increasing the amount of charges stored in a storage battery, an aspect of the storage battery control apparatus of the invention is a storage battery control apparatus having: a first controller that releases charges stored in a capacitor that forms a storage battery if an inter-terminal voltage of the capacitor becomes equal to or higher than a predetermined threshold; a temperature detector that detects a temperature of the capacitor; and a second controller that changes the predetermined threshold in accordance with the temperature of the capacitor.
    Type: Grant
    Filed: April 21, 2003
    Date of Patent: October 26, 2004
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hiroshi Tsujii, Hideto Hanada, Ken Kuretake, Masanori Sugiura, Takashi Kawai