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).

  • Publication number: 20240140465
    Abstract: This driving assistance device comprises: an inter-vehicle distance detection unit which detects an inter-vehicle distance from an own vehicle to a preceding vehicle; an overlap detection unit which detects an overlap (a collision avoidance width) of the own vehicle and the preceding vehicle; and an alarm control unit which controls an alarm output from an information output unit on the basis of the inter-vehicle distance and a change in the overlap.
    Type: Application
    Filed: February 18, 2022
    Publication date: May 2, 2024
    Inventors: Wasantha OSHITA, Satoshi HAYASHI, Masaichi TAKAHASHI
  • Patent number: 11964559
    Abstract: This vehicle control device includes: a distance measurement unit that measures the distance between a vehicle and a preceding vehicle; and an engine control unit that starts up an engine when, in comparison to a distance measured by the distance measurement unit once a host vehicle has stopped and an engine mounted in the host vehicle has stopped, a distance newly measured by the distance measurement unit increases by at least an offset amount that indicates the amount of increase in distance used to determine whether to start up the engine.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: April 23, 2024
    Assignee: ISUZU MOTORS LIMITED
    Inventors: Satoshi Hayashi, Masaichi Takahashi
  • Publication number: 20230331228
    Abstract: The present invention pertains to driving assistance method and device by which an automobile can be parked at a location near a target parking location when carrying out ACC. During deceleration control via ACC, when a predicted parking location is closer than a target parking location by at least a prescribed threshold value, a parking location is adjusted by causing a state change from a first state, in which deceleration control is carried out, to a second state, in which acceleration control is carried out.
    Type: Application
    Filed: February 26, 2021
    Publication date: October 19, 2023
    Applicant: Isuzu Motors Limited
    Inventors: Wasantha OSHITA, Masaichi TAKAHASHI, Shinichiro FUKAZAWA
  • Publication number: 20230294694
    Abstract: This driving support device outputs a target acceleration/deceleration for causing a host vehicle to track a preceding vehicle, if there is a preceding vehicle to track, and if there is no preceding vehicle to track, outputs a target acceleration for bringing the speed of the host vehicle to a set fixed speed, and modifies (corrects) the target acceleration in accordance with the lane width.
    Type: Application
    Filed: February 26, 2021
    Publication date: September 21, 2023
    Applicant: Isuzu Motors Limited
    Inventors: Wasantha OSHITA, Masaichi TAKAHASHI, Shinichiro FUKAZAWA
  • Publication number: 20230150460
    Abstract: This driving assistance device comprises: an inter-vehicle distance detection unit for detecting the inter-vehicle distance from a host vehicle to a preceding vehicle; a speed detection unit for detecting the speed of the preceding vehicle; a deceleration detection unit for detecting the deceleration of the preceding vehicle; a preceding-vehicle braking distance estimation unit for estimating the braking distance of the preceding vehicle on the basis of the detected speed and deceleration; a target braking distance calculation unit for calculating a target braking distance of the host vehicle on the basis of the inter-vehicle distance to the preceding vehicle and the braking distance of the preceding vehicle; and a braking control unit for controlling the braking of the host vehicle on the basis of the target braking distance.
    Type: Application
    Filed: February 26, 2021
    Publication date: May 18, 2023
    Applicant: Isuzu Motors Limited
    Inventors: Wasantha OSHITA, Masaichi TAKAHASHI, Shinichiro FUKAZAWA
  • Publication number: 20230140476
    Abstract: A target acceleration/deceleration output unit includes an acceleration/deceleration output unit which outputs an acceleration/deceleration including a deceleration, on the basis of the vehicle-to-vehicle distance from a host vehicle to a preceding vehicle and the relative speed of the host vehicle and the preceding vehicle, and a canceling unit which cancels a deceleration that causes jerking from the deceleration output from the acceleration/deceleration output unit, wherein the acceleration output from the acceleration/deceleration output unit, and the deceleration obtained by the canceling unit are output as a target acceleration/deceleration.
    Type: Application
    Filed: February 26, 2021
    Publication date: May 4, 2023
    Applicant: Isuzu Motors Limited
    Inventors: Wasantha OSHITA, Masaichi TAKAHASHI, Shinichiro FUKAZAWA
  • Publication number: 20230092878
    Abstract: Provided are a control device and a vehicle with which rapid and accurate downshifting for maintaining a target vehicle speed can be executed. A control device which is for a vehicle having an automatic transmission that changes the speed for a rotation torque of a drive source using transmission gear ratios of a plurality of travel stages and outputs same to the wheel side, and which executes an auto-cruise travel control for causing the vehicle to travel while maintaining a prescribed speed, the control device being provided with a calculation unit for calculating a decelerated travel stage, which is a travel stage for reducing the current vehicle speed when downshifting from the current travel stage in a condition in which the auto-cruise travel control is being executed and a control for accelerating the vehicle is not being executed while the vehicle speed is increasing.
    Type: Application
    Filed: February 26, 2021
    Publication date: March 23, 2023
    Applicant: Isuzu Motors Limited
    Inventors: Yoshitaka KANDA, Masaichi TAKAHASHI
  • Publication number: 20230078907
    Abstract: Provided is a driving assistance device that makes it possible to smoothly accelerate from a stop or from a speed close to a stop. A target acceleration/deceleration output unit of the driving assistance device has: a first map that stores first target accelerations which are associated with inter-vehicle distance and with relative speed; a second map that stores second target accelerations which are associated with inter-vehicle distance and with relative speed and which are greater than the first target accelerations with respect to inter-vehicle distance and relative speed; and a selection unit that selects, according to a vehicle speed, whether to use the output of the first map and/or whether to use the output of the second map.
    Type: Application
    Filed: February 26, 2021
    Publication date: March 16, 2023
    Applicant: Isuzu Motors Limited
    Inventors: Wasantha OSHITA, Masaichi TAKAHASHI, Shinichiro FUKAZAWA
  • Publication number: 20230008352
    Abstract: This drive assistance device comprises an ACC unit, an abnormality detection unit for detecting an abnormality from a detector used to perform ACC, and a vehicle stop control unit for performing control to stop an ego vehicle when an abnormality is detected by the abnormality detection unit and an inter-vehicle distance to a preceding vehicle satisfies a certain condition.
    Type: Application
    Filed: February 26, 2021
    Publication date: January 12, 2023
    Applicant: Isuzu Motors Limited
    Inventors: Wasantha OSHITA, Masaichi TAKAHASHI, Shinichiro FUKAZAWA
  • Publication number: 20220410887
    Abstract: This driving assistance device comprises: an ACC starting operation reception unit that receives an ACC starting operation by a driver of a vehicle when the vehicle is stationary; and an ACC starting operation retention unit that retains the ACC starting operation received by the ACC starting operation reception unit as a valid instruction for a predetermined period after the ACC starting operation, and that cancels the ACC starting operation after a lapse of the predetermined period.
    Type: Application
    Filed: February 26, 2021
    Publication date: December 29, 2022
    Applicant: Isuzu Motors Limited
    Inventors: Wasantha OSHITA, Masaichi TAKAHASHI, Shinichiro FUKAZAWA
  • Publication number: 20220410892
    Abstract: This driving assistance device includes a target acceleration correcting unit configured as follows: if there was input, from a coupling detection unit, of detection results indicating that a trailer has been coupled, the target acceleration correcting unit outputs a target acceleration, output from an ACC unit, as-is to a drive system; and if there was input of detection results indicating that a trailer (2) has not been coupled, the target acceleration correcting unit corrects to a smaller value the target acceleration, output from the ACC unit, and outputs said corrected target acceleration to the drive system.
    Type: Application
    Filed: February 26, 2021
    Publication date: December 29, 2022
    Applicant: Isuzu Motors Limited
    Inventors: Wasantha OSHITA, Masaichi TAKAHASHI, Shinichiro FUKAZAWA
  • Patent number: 11448510
    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: Grant
    Filed: May 15, 2018
    Date of Patent: September 20, 2022
    Assignee: ISUZU MOTORS LIMITED
    Inventors: Ryuuta Tsuda, Masaichi Takahashi
  • Patent number: 11447137
    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: Grant
    Filed: June 27, 2019
    Date of Patent: September 20, 2022
    Assignee: Isuzu Motors Limited
    Inventors: Satoshi Hayashi, Masaichi Takahashi, Shinichirou Fukazawa
  • Patent number: 11352006
    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: Grant
    Filed: November 6, 2018
    Date of Patent: June 7, 2022
    Assignee: Isuzu Motors Limited
    Inventors: Kouki Natsumi, Masaichi Takahashi
  • Publication number: 20220032770
    Abstract: This vehicle control device includes: a distance measurement unit that measures the distance between a vehicle and a preceding vehicle; and an engine control unit that starts up an engine when, in comparison to a distance measured by the distance measurement unit once a host vehicle has stopped and an engine mounted in the host vehicle has stopped, a distance newly measured by the distance measurement unit increases by at least an offset amount that indicates the amount of increase in distance used to determine whether to start up the engine.
    Type: Application
    Filed: September 11, 2019
    Publication date: February 3, 2022
    Inventors: Satoshi HAYASHI, Masaichi TAKAHASHI
  • 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