Patents by Inventor Masaichi TAKAHASHI

Masaichi TAKAHASHI 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: 11124189
    Abstract: Provided are a travel control device that enhance safety while enabling smooth overtaking of a vehicle from tracking travel. This travel control device is equipped with a direction indication determination unit, a travel control unit that performs control to switch travel of the vehicle between tracking travel whereby the vehicle is made to travel by tracking the preceding vehicle and propulsion travel whereby the vehicle is made to travel so as to match the speed of the vehicle to a target speed, and an inter-vehicle distance detection unit that detects the inter-vehicle distance in tracking travel between the vehicle and the preceding vehicle. In cases in which, during tracking travel, it is determined that direction indication of vehicle has been activated and the inter-vehicle distance exceeds a prescribed distance, the travel control unit switches travel of the vehicle from tracking travel to propulsion travel.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: September 21, 2021
    Assignee: Isuzu Motors Limited
    Inventors: Naoki Takahashi, Masaichi Takahashi
  • Publication number: 20210221371
    Abstract: Provided are a travel control device, a vehicle, a driving assistance device, and a travel control method that are capable of improving travel control responsiveness. The travel control device comprises: an automatic travel control unit that, when an automatic travel function is active for vehicle travel control, performs a process for calculating and outputting a target output torque for an engine installed in the vehicle through feedback calculation based on the difference between a target value for a control parameter related to the automatic travel function and the actual value of the control parameter; and an engine control unit that controls the engine such that the outputted target output torque and the output torque of the engine match.
    Type: Application
    Filed: June 27, 2019
    Publication date: July 22, 2021
    Applicant: Isuzu Motors Limited
    Inventors: Satoshi HAYASHI, Masaichi TAKAHASHI, Shinichirou FUKAZAWA
  • Patent number: 11008006
    Abstract: Provided is a driving assist system which includes an own vehicle velocity sensor, an adjacent vehicle velocity sensor, and a control device and where the control device makes constant velocity travelling by causing a velocity of an own vehicle to fall within a constant velocity range between a lower limit value and an upper limit value set based on a target velocity and, when the own vehicle travels on a passing lane and an adjacent vehicle travels on a cruising lane, if a relative velocity of the adjacent vehicle to the own vehicle falls within a set range, the control device performs speed-up adjustment to increase the velocity of the own vehicle in a range up to the upper limit value.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: May 18, 2021
    Assignee: ISUZU MOTORS LIMITED
    Inventors: Kouki Natsumi, Masaichi Takahashi, Shinichi Ishiguro
  • Patent number: 10937322
    Abstract: The present invention is configured such that a control device for a lane departure warning device that outputs a warning on the basis of the position relationship of a vehicle and a lane boundary line is equipped with a detection unit for detecting a switch of a brake from on to off, and a warning control unit for, when the detection unit has detected said switch, changing a warning threshold value to which vehicle position information is compared in the determination of whether or not to issue a warning to a value at which a warning is less likely to be issued as compared to when the detection unit has not detected said switch. The present invention thereby provides a control device for a lane departure warning device that is capable of reducing warnings which could be an annoyance to drivers.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: March 2, 2021
    Assignee: Isuzu Motors Limited
    Inventors: Naoki Takahashi, Masaichi Takahashi
  • Patent number: 10891865
    Abstract: The present invention is configured such that a control device for a lane departure warning device that outputs a warning on the basis of the position relationship of a vehicle and a lane boundary line is equipped with a detection unit for detecting a switch of the main brake from on to off, and a warning control unit for preventing a warning from being issued when the detection unit has detected said switch. The present invention thereby provides a control device for a lane departure warning device that is capable of reducing warnings which could be an annoyance to drivers.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: January 12, 2021
    Assignee: Isuzu Motors Limited
    Inventors: Naoki Takahashi, Masaichi Takahashi
  • Publication number: 20200317195
    Abstract: A travel control device whereby wasted energy consumption can be suppressed. The travel control device (100) has: a leading vehicle detection unit (110) that, once a leading vehicle that has been followed at no more than a set vehicle speed has gone, determines whether or not a new leading vehicle has been detected within a prescribed time; a speed determination unit (120) that, if a new leading vehicle has been detected, determines whether or not the speed difference between the speed of a host vehicle and the speed of the leading vehicle is within a set range having zero as the reference therefor; and a travel control unit (130) that, if the speed difference is within the set range, controls the host vehicle so as to prohibit acceleration for reducing the distance between the host vehicle and the new leading vehicle to a set inter-vehicle distance.
    Type: Application
    Filed: November 6, 2018
    Publication date: October 8, 2020
    Applicant: Isuzu Motors Limited
    Inventors: Kouki NATSUMI, Masaichi TAKAHASHI
  • Publication number: 20200242940
    Abstract: The present invention is configured such that a control device for a lane departure warning device that outputs a warning on the basis of the position relationship of a vehicle and a lane boundary line is equipped with a detection unit for detecting a switch of a brake from on to off, and a warning control unit for, when the detection unit has detected said switch, changing a warning threshold value to which vehicle position information is compared in the determination of whether or not to issue a warning to a value at which a warning is less likely to be issued as compared to when the detection unit has not detected said switch. The present invention thereby provides a control device for a lane departure warning device that is capable of reducing warnings which could be an annoyance to drivers.
    Type: Application
    Filed: March 19, 2018
    Publication date: July 30, 2020
    Applicant: Isuzu Motors Limited
    Inventors: Naoki TAKAHASHI, Masaichi TAKAHASHI
  • Patent number: 10676089
    Abstract: A driving assistance device (30) that has: an information acquisition unit (31) that acquires the relative speed of a vehicle ahead and the inter-vehicle distance to the vehicle ahead; a table (33) in which degrees of urgency that correspond to relative speeds and inter-vehicle distances have been pre-stored; and an ACC control unit (32) that reads out, from the table (33), a degree of urgency (x) that corresponds to the relative speed and inter-vehicle distance acquired by the information acquisition unit (31), finds a target acceleration/deceleration that has a slope (y) that is based on the degree of urgency (x) that was read out, and outputs the found target acceleration/deceleration as a control signal for controlling break pressure.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: June 9, 2020
    Assignee: ISUZU MOTORS LIMITED
    Inventors: Naoki Takahashi, Kazutaka Shimoda, Masaichi Takahashi
  • Publication number: 20200173785
    Abstract: A position acquisition device includes a learning execution unit that learns a change value of an on-board sensor, a changing unit that changes an output value of the on-board sensor based on the change value, a position calculation unit that calculates a traveling position of the vehicle based on the output value of the on-board sensor changed by the changing unit, and an output unit that outputs a progress status of the learning by the learning execution unit and the traveling position of the vehicle calculated by the position calculation unit. An application execution device determines whether the output of the position acquisition device is able to be used for executing the application based on the progress status and the traveling position acquired from the position acquisition device.
    Type: Application
    Filed: May 15, 2018
    Publication date: June 4, 2020
    Inventors: Ryuuta TSUDA, Masaichi TAKAHASHI
  • Publication number: 20200027353
    Abstract: The present invention is configured such that a control device for a lane departure warning device that outputs a warning on the basis of the position relationship of a vehicle and a lane boundary line is equipped with a detection unit for detecting a switch of the main brake from on to off, and a warning control unit for preventing a warning from being issued when the detection unit has detected said switch. The present invention thereby provides a control device for a lane departure warning device that is capable of reducing warnings which could be an annoyance to drivers.
    Type: Application
    Filed: March 19, 2018
    Publication date: January 23, 2020
    Applicant: Isuzu Motors Limited
    Inventors: Naoki TAKAHASHI, Masaichi TAKAHASHI
  • Publication number: 20200023847
    Abstract: Provided are a travel control device, a vehicle, and a travel control method that reduce driver discomfort while making it possible to further improve the fuel economy of the vehicle. This travel control device controls switching of vehicle travel between propulsion travel whereby the vehicle is made to travel while maintaining the vehicle speed at a target speed and coasting travel whereby the vehicle is made to travel by inertia, and is equipped with a travel control unit that, in cases in which the vehicle speed during coasting travel has exceeded the allowable maximum speed of a prescribed range, switches travel of the vehicle from coasting travel to propulsion travel and causes the vehicle to brake, and once the vehicle speed has decreased to a prescribed speed that is above the target speed, releases braking of the vehicle.
    Type: Application
    Filed: March 16, 2018
    Publication date: January 23, 2020
    Applicant: Isuzu Motors Limited
    Inventors: Naoki TAKAHASHI, Masaichi TAKAHASHI
  • Publication number: 20200017107
    Abstract: Provided are a travel control device that enhance safety while enabling smooth overtaking of a vehicle from tracking travel. This travel control device is equipped with a direction indication determination unit, a travel control unit that performs control to switch travel of the vehicle between tracking travel whereby the vehicle is made to travel by tracking the preceding vehicle and propulsion travel whereby the vehicle is made to travel so as to match the speed of the vehicle to a target speed, and an inter-vehicle distance detection unit that detects the inter-vehicle distance in tracking travel between the vehicle and the preceding vehicle. In cases in which, during tracking travel, it is determined that direction indication of vehicle has been activated and the inter-vehicle distance exceeds a prescribed distance, the travel control unit switches travel of the vehicle from tracking travel to propulsion travel.
    Type: Application
    Filed: March 16, 2018
    Publication date: January 16, 2020
    Applicant: Isuzu Motors Limited
    Inventors: Naoki TAKAHASHI, Masaichi TAKAHASHI
  • Publication number: 20190337514
    Abstract: Provided is a driving assist system which includes an own vehicle velocity sensor, an adjacent vehicle velocity sensor, and a control device and where the control device makes constant velocity travelling by causing a velocity of an own vehicle to fall within a constant velocity range between a lower limit value and an upper limit value set based on a target velocity and, when the own vehicle travels on a passing lane and an adjacent vehicle travels on a cruising lane, if a relative velocity of the adjacent vehicle to the own vehicle falls within a set range, the control device performs speed-up adjustment to increase the velocity of the own vehicle in a range up to the upper limit value.
    Type: Application
    Filed: November 13, 2017
    Publication date: November 7, 2019
    Applicant: Isuzu Motors Limited
    Inventors: Kouki NATSUMI, Masaichi TAKAHASHI, Shinichi ISHIGURO
  • Publication number: 20190329781
    Abstract: A driving assist system equipped with an own vehicle speed sensor, an adjacent vehicle speed sensor, an instruction device, and a control device. When an own vehicle is traveling in a passing lane and an adjacent vehicle is traveling in a cruising lane, the control device controls in a manner such that the instruction device outputs an instruction to select the passing lane as the traffic lane in which the own vehicle should travel when the relative speed of the adjacent vehicle compared to the own vehicle is negative.
    Type: Application
    Filed: November 7, 2017
    Publication date: October 31, 2019
    Inventors: Kouki NATSUMI, Masaichi TAKAHASHI, Shinichi ISHIGURO
  • Publication number: 20190071083
    Abstract: A driving assistance device (30) that has: an information acquisition unit (31) that acquires the relative speed of a vehicle ahead and the inter-vehicle distance to the vehicle ahead; a table (33) in which degrees of urgency that correspond to relative speeds and inter-vehicle distances have been pre-stored; and an ACC control unit (32) that reads out, from the table (33), a degree of urgency (x) that corresponds to the relative speed and inter-vehicle distance acquired by the information acquisition unit (31), finds a target acceleration/deceleration that has a slope (y) that is based on the degree of urgency (x) that was read out, and outputs the found target acceleration/deceleration as a control signal for controlling break pressure.
    Type: Application
    Filed: April 11, 2017
    Publication date: March 7, 2019
    Inventors: Naoki TAKAHASHI, Kazutaka SHIMODA, Masaichi TAKAHASHI