Patents by Inventor Eiichi HOJIN
Eiichi HOJIN 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).
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Patent number: 11970186Abstract: An automotive arithmetic system includes a main arithmetic unit that generates a travel route using deep learning based on an output from a vehicle external information acquisition device; an auxiliary arithmetic unit that generates a rule-based travel route in a free space without using deep learning; a safe route generation unit that generates a safe route, which is a route that the motor vehicle takes until the motor vehicle stops at a safe stop position; and an override processing unit that prioritizes one of the travel route generated by the main arithmetic unit, the rule-based travel route generated by the auxiliary arithmetic unit, or the safe route generated by the safe route generation unit, and determines a target motion of the motor vehicle so that the motor vehicle travels on the prioritized route.Type: GrantFiled: September 8, 2021Date of Patent: April 30, 2024Assignee: MAZDA MOTOR CORPORATIONInventors: Daisuke Horigome, Shinsuke Sakashita, Masato Ishibashi, Eiichi Hojin, Akihiro Mitani, Kiyoyuki Tsuchiyama
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Patent number: 11858523Abstract: A vehicle travel control device includes computation circuitry, and a device controller that controls actuation of a traveling device mounted on a vehicle, based on a result from the computation circuitry. The computation circuitry identifies a vehicle outdoor environment based on an output from image circuitry that acquires image information of vehicle outdoor environment, sets a route on which the vehicle is to travel, in accordance with the vehicle outdoor environment previously identified, determines a target motion of the vehicle to follow the route previously set, calculates a target physical quantity to be executed by the traveling device to achieve the target motion previously determined, and calculates a controlled variable of the traveling device such that the target physical quantity calculated is achieved, and the device controller outputs a control signal to the traveling device so as to control the traveling device to control a motion of the vehicle.Type: GrantFiled: September 24, 2021Date of Patent: January 2, 2024Assignee: MAZDA MOTOR CORPORATIONInventors: Shinsuke Sakashita, Daisuke Horigome, Masato Ishibashi, Eiichi Hojin
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Patent number: 11753026Abstract: A vehicle control device includes a plurality of IC units, while maintaining the operational reliability. The vehicle control device includes an IC unit for performing image processing on outputs from cameras; an IC unit for performing recognition processing of an external environment of the vehicle; and an IC unit for performing judgment processing for cruise control of the vehicle. A control flow is provided so as to allow the IC unit to transmit a control signal to the IC units and. The control flow is provided separately from a data flow configured to transmit the output from the cameras, the image data, and the external environment data.Type: GrantFiled: January 28, 2021Date of Patent: September 12, 2023Assignees: MAZDA MOTOR CORPORATION, NXP B.V.Inventors: Masato Ishibashi, Kiyoyuki Tsuchiyama, Daisuke Hamano, Tomotsugu Futa, Daisuke Horigome, Atsushi Tasaki, Yosuke Hashimoto, Yusuke Kihara, Eiichi Hojin, Arnaud Van Den Bossche, Ray Marshall, Leonardo Surico
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Patent number: 11697413Abstract: A vehicle control device includes: a signal processing IC unit that outputs image processing data; a recognition processing IC unit that performs recognition processing of the external environment of a vehicle to output external environment data obtained through the recognition processing; a judgment processing IC unit that performs judgment processing for cruise control of the vehicle; a power management unit capable of controlling an on or off state of a recognition function of the external environment of the vehicle in the recognition processing IC unit according to the conditions of the vehicle; and a bypass path for enabling data communications from the signal processing IC unit to the judgment processing IC unit without performing the recognition processing of the external environment of the vehicle by the recognition processing IC unit.Type: GrantFiled: January 27, 2021Date of Patent: July 11, 2023Assignees: MAZDA MOTOR CORPORATION, NXP B.V.Inventors: Eiichi Hojin, Kiyoyuki Tsuchiyama, Masato Ishibashi, Daisuke Hamano, Tomotsugu Futa, Daisuke Horigome, Atsushi Tasaki, Yosuke Hashimoto, Yusuke Kihara, Arnaud Van Den Bossche, Ray Marshal, Leonardo Surico
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Patent number: 11565637Abstract: A signal processing IC unit performs image processing with respect to an output from a camera. A recognition processing IC unit performs recognition processing based on the output from the signal processing IC unit. A control IC unit outputs a control signal based on the output from the recognition processing IC unit. A first terminal is electrically connected to the recognition processing IC unit. A second terminal is electrically connected to the control IC unit. The signal processing IC unit, the recognition processing IC unit, and the control IC unit are disposed on a board. The first terminal and the second terminal are provided on an edge portion of the board.Type: GrantFiled: January 28, 2021Date of Patent: January 31, 2023Assignees: MAZDA MOTOR CORPORATION, NXP B.V.Inventors: Tomotsugu Futa, Kiyoyuki Tsuchiyama, Masato Ishibashi, Daisuke Hamano, Daisuke Horigome, Eiichi Hojin, Atsushi Tasaki, Yosuke Hashimoto, Yusuke Kihara, Arnaud Van Den Bossche, Ray Marshal, Leonardo Surico
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Publication number: 20220017082Abstract: A motor vehicle cruise control system includes: an arithmetic unit configured to calculate a physical momentum of a traveling device for achieving a target motion of a motor vehicle that is traveling along a traveling route generated, based on an output from a vehicle exterior information acquisition device; and a device controller configured to generate, and output, an actuation control signal for the traveling device in the motor vehicle, based on an arithmetic result obtained by the arithmetic unit. Driving operation information on an operation performed by a driver is input to both the arithmetic unit and the device controller in parallel. The arithmetic unit is configured to reflect the driving operation information in a process of determining the target motion. The device controller is configured to reflect the driving operation information in the control of the actuation of the traveling device.Type: ApplicationFiled: September 28, 2021Publication date: January 20, 2022Applicant: Mazda Motor CorporationInventors: Shinsuke SAKASHITA, Daisuke HORIGOME, Masato ISHIBASHI, Eiichi HOJIN
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Publication number: 20220009485Abstract: A vehicle cruise control device controls traveling of a vehicle, the vehicle cruise control device includes arithmetic circuitry, and device processing circuitry to control actuation of one or more traveling devices mounted in the vehicle, based on an arithmetic result from the arithmetic circuitry. The arithmetic circuitry is configured to recognize a vehicle external environment based on an output from information acquisition circuitry that acquires information of the vehicle external environment; set a route to be traveled by the vehicle, in accordance with the recognized vehicle external environment; determine a target motion of the vehicle to follow the route that was set; and set operations of one or more body-related devices of the vehicle, based on the target motion of the vehicle, and generate control signals that control the one or more body-related devices.Type: ApplicationFiled: September 23, 2021Publication date: January 13, 2022Applicant: Mazda Motor CorporationInventors: Shinsuke SAKASHITA, Daisuke HORIGOME, Masato ISHIBASHI, Eiichi HOJIN
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Publication number: 20220009516Abstract: A vehicle cruise control device includes: an arithmetic circuitry and a device circuitry that controls actuation of traveling devices mounted in a vehicle. The arithmetic circuitry is configured to recognize a vehicle external environment; set a route to be traveled by the vehicle; determine a target motion of the vehicle to follow the set route; and generate an image to be displayed for driving assistance, by using an image taken by the camera and information on the recognized vehicle external environment. The control circuitry is configured to control actuation of one or more traveling devices mounted in the vehicle, based on the target motion determined.Type: ApplicationFiled: September 28, 2021Publication date: January 13, 2022Applicant: Mazda Motor CorporationInventors: Shinsuke SAKASHITA, Daisuke HORIGOME, Masato ISHIBASHI, Eiichi HOJIN
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Publication number: 20220009509Abstract: A vehicle travel control device includes computation circuitry, and a device controller that controls actuation of a traveling device mounted on a vehicle, based on a result from the computation circuitry. The computation circuitry identifies a vehicle outdoor environment based on an output from image circuitry that acquires image information of vehicle outdoor environment, sets a route on which the vehicle is to travel, in accordance with the vehicle outdoor environment previously identified, determines a target motion of the vehicle to follow the route previously set, calculates a target physical quantity to be executed by the traveling device to achieve the target motion previously determined, and calculates a controlled variable of the traveling device such that the target physical quantity calculated is achieved, and the device controller outputs a control signal to the traveling device so as to control the traveling device to control a motion of the vehicle.Type: ApplicationFiled: September 24, 2021Publication date: January 13, 2022Applicant: Mazda Motor CorporationInventors: Shinsuke SAKASHITA, Daisuke HORIGOME, Masato ISHIBASHI, Eiichi HOJIN
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Publication number: 20220011112Abstract: A vehicle travel control device includes circuitry, and controllers to individually control actuation of traveling devices mounted on a vehicle, based on a computation result of the circuitry. The circuitry identifies a vehicle outdoor environment based on an output from image circuitry, the image circuitry to acquire image information of a vehicle outdoor environment, sets a travel route for the vehicle, based on the vehicle outdoor environment previously identified, determines a target motion of the vehicle to follow the route set, calculates target physical quantities to be executed by the traveling devices to achieve the target motion determined, and controls the traveling devices to operate in coordination with one another. The controllers calculate variables of the traveling devices such that the target physical quantities calculated are achieved, and the controllers output control signals to the traveling devices so as to control the traveling devices to control motion of the vehicle.Type: ApplicationFiled: September 23, 2021Publication date: January 13, 2022Applicant: Mazda Motor CorporationInventors: Shinsuke SAKASHITA, Daisuke HORIGOME, Masato ISHIBASHI, Eiichi HOJIN
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Publication number: 20220009486Abstract: An arithmetic unit includes circuitry configured to recognize a vehicle exterior environment, set a route, determine a target motion to follow a set route, and output amounts to control traveling devices in accordance with the target motion. The circuitry is configured to calculate a steering amount for achieving the target motion, generate a control signal for controlling a steering device based on the steering amount, and directly output the control signal to the steering device. The circuitry is configured to calculate a driving force for achieving the target motion and in accordance with the steering amount, and output the drive force to a first microcomputer controlling a driving device. The circuitry is configured to calculate a braking force for achieving the target motion and in accordance with the steering amount, and output the braking force to a second microcomputer controlling a braking device.Type: ApplicationFiled: September 27, 2021Publication date: January 13, 2022Applicant: Mazda Motor CorporationInventors: Shinsuke SAKASHITA, Daisuke HORIGOME, Masato ISHIBASHI, Eiichi HOJIN
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Publication number: 20210403039Abstract: A vehicle arithmetic system includes a single information processing circuitry. performs control of vehicle external environment estimation circuitry configured to receive outputs from sensors that obtain information of a vehicle external environment, and estimate the vehicle external environment including a road and an obstacle; a route generation circuitry configured to generate a traveling route of the vehicle which avoids the obstacle estimated on the road estimated, based on an output from the vehicle external environment estimation unit; and a target motion determination circuitry configured to determine a target motion of the vehicle so that the vehicle travels along the traveling route generated by the route generation circuitry.Type: ApplicationFiled: September 8, 2021Publication date: December 30, 2021Applicant: Mazda Motor CorporationInventors: Daisuke Horigome, Shinsuke Sakashita, Masato Ishibashi, Eiichi Hojin, Akihiro Mitani, Kiyoyuki Tsuchiyama
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Publication number: 20210403038Abstract: An automotive arithmetic system includes a main arithmetic unit that generates a travel route using deep learning based on an output from a vehicle external information acquisition device; an auxiliary arithmetic unit that generates a rule-based travel route in a free space without using deep learning; a safe route generation unit that generates a safe route, which is a route that the motor vehicle takes until the motor vehicle stops at a safe stop position; and an override processing unit that prioritizes one of the travel route generated by the main arithmetic unit, the rule-based travel route generated by the auxiliary arithmetic unit, or the safe route generated by the safe route generation unit, and determines a target motion of the motor vehicle so that the motor vehicle travels on the prioritized route.Type: ApplicationFiled: September 8, 2021Publication date: December 30, 2021Applicant: Mazda Motor CorporationInventors: Daisuke HORIGOME, Shinsuke SAKASHITA, Masato ISHIBASHI, Eiichi HOJIN, Akihiro MITANI, Kiyoyuki TSUCHIYAMA
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Publication number: 20210403037Abstract: An automotive arithmetic system includes a main arithmetic device that determines a target motion of a motor vehicle so that the motor vehicle travel on a route generated based on a vehicle external environment estimated using deep learning based on an output from a vehicle external information acquisition device; and a backup arithmetic device that determines a backup target motion for causing the motor vehicle to travel on a travel route which is generated based on the output from the vehicle external information acquisition device and which the traveling motor vehicle takes until the motor vehicle stops at a stop position that satisfies a preset criterion. The automotive arithmetic system outputs a backup control signal to actuators in preference to a control signal when the main arithmetic device fails.Type: ApplicationFiled: September 8, 2021Publication date: December 30, 2021Applicant: Mazda Motor CorporationInventors: Daisuke HORIGOME, Shinsuke SAKASHITA, Masato ISHIBASHI, Eiichi HOJIN, Akihiro MITANI, Kiyoyuki TSUCHIYAMA
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Publication number: 20210394749Abstract: An automotive arithmetic device includes circuitry that calculates a first candidate route based on a vehicle external environment estimated using deep learning; sets a static safe area (SA2) based on a result of recognition of a target object outside a vehicle according to a predetermined rule; and determines a target motion of the motor vehicle. The circuitry selects the first candidate route as a travel route of the motor vehicle under a condition the first candidate route is entirely within the static safe area (SA2), and does not select the first candidate route as the travel route of the motor vehicle when the first candidate route at least partially deviates from the static safe area (SA2).Type: ApplicationFiled: September 7, 2021Publication date: December 23, 2021Applicant: Mazda Motor CorporationInventors: Daisuke HORIGOME, Shinsuke SAKASHITA, Masato ISHIBASHI, Eiichi HOJIN, Akihiro MITANI, Kiyoyuki TSUCHIYAMA
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Publication number: 20210237726Abstract: A vehicle control device includes: a signal processing integrated circuit (IC) unit for performing image processing on an output from a camera mounted in a vehicle and outputting image data obtained through the image processing; a recognition processing IC unit provided as another unit different from the signal processing IC unit, for performing recognition processing for recognizing an external environment of the vehicle based on the image data received from the signal processing IC unit and outputting external environment data obtained through the recognition processing; and a judgment IC unit provided as another unit different from the signal processing IC unit and the recognition processing IC unit, for performing judgment processing for cruise control of the vehicle based on the external environment data received from the recognition processing IC unit and outputting a cruise control signal based on the judgment processing result.Type: ApplicationFiled: January 25, 2021Publication date: August 5, 2021Applicants: Mazda Motor Corporation, NXP B.V.Inventors: Masato ISHIBASHI, Kiyoyuki TSUCHIYAMA, Daisuke HAMANO, Tomotsugu FUTA, Daisuke HORIGOME, Eiichi HOJIN, Atsushi TASAKI, Yosuke HASHIMOTO, Yusuke KIHARA, Arnaud VAN DEN BOSSCHE, Ray MARSHAL, Leonardo SURICO
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Publication number: 20210237666Abstract: A signal processing IC unit performs image processing with respect to an output from a camera. A recognition processing IC unit performs recognition processing based on the output from the signal processing IC unit. A control IC unit outputs a control signal based on the output from the recognition processing IC unit. A first terminal is electrically connected to the recognition processing IC unit. A second terminal is electrically connected to the control IC unit. The signal processing IC unit, the recognition processing IC unit, and the control IC unit are disposed on a board. The first terminal and the second terminal are provided on an edge portion of the board.Type: ApplicationFiled: January 28, 2021Publication date: August 5, 2021Applicants: Mazda Motor Corporation, NXP B.V.Inventors: Tomotsugu FUTA, Kiyoyuki TSUCHIYAMA, Masato ISHIBASHI, Daisuke HAMANO, Daisuke HORIGOME, Eiichi HOJIN, Atsushi TASAKI, Yosuke HASHIMOTO, Yusuke KIHARA, Arnaud VAN DEN BOSSCHE, Ray MARSHAL, Leonardo SURICO
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Publication number: 20210241001Abstract: A plurality of first cameras are provided in a vehicle so as to surround the vehicle. A plurality of second cameras are provided in the vehicle so as to surround the vehicle. A control unit performs a first operation of outputting a control signal for cruise control of the vehicle based on both outputs from the plurality of the first cameras and outputs from the plurality of the second cameras, a second operation of outputting the control signal based on the outputs from the plurality of the first cameras, and a third operation of outputting the control signal based on the outputs from the plurality of the second cameras.Type: ApplicationFiled: January 27, 2021Publication date: August 5, 2021Applicants: Mazda Motor Corporation, NXP B.V.Inventors: Masato ISHIBASHI, Kiyoyuki TSUCHIYAMA, Daisuke HAMANO, Tomotsugu FUTA, Daisuke HORIGOME, Atsushi TASAKI, Yosuke HASHIMOTO, Yusuke KIHARA, Eiichi HOJIN, Arnaud VAN DEN BOSSCHE, Ray MARSHAL, Leonardo SURICO
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Publication number: 20210241028Abstract: A vehicle control device includes: a signal processing IC unit that outputs image processing data; a recognition processing IC unit that performs recognition processing of the external environment of a vehicle to output external environment data obtained through the recognition processing; a judgment processing IC unit that performs judgment processing for cruise control of the vehicle; a power management unit capable of controlling an on or off state of a recognition function of the external environment of the vehicle in the recognition processing IC unit according to the conditions of the vehicle; and a bypass path for enabling data communications from the signal processing IC unit to the judgment processing IC unit without performing the recognition processing of the external environment of the vehicle by the recognition processing IC unit.Type: ApplicationFiled: January 27, 2021Publication date: August 5, 2021Applicants: Mazda Motor Corporation, NXP B.V.Inventors: Eiichi HOJIN, Kiyoyuki TSUCHIYAMA, Masato ISHIBASHI, Daisuke HAMANO, Tomotsugu FUTA, Daisuke HORIGOME, Atsushi TASAKI, Yosuke HASHIMOTO, Yusuke KIHARA, Arnaud VAN DEN BOSSCHE, Ray MARSHAL, Leonardo SURICO
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Publication number: 20210237727Abstract: A vehicle control device includes a plurality of IC units, while maintaining the operational reliability. The vehicle control device includes an IC unit for performing image processing on outputs from cameras; an IC unit for performing recognition processing of an external environment of the vehicle; and an IC unit for performing judgment processing for cruise control of the vehicle. A control flow is provided so as to allow the IC unit to transmit a control signal to the IC units and. The control flow is provided separately from a data flow configured to transmit the output from the cameras, the image data, and the external environment data.Type: ApplicationFiled: January 28, 2021Publication date: August 5, 2021Applicants: Mazda Motor Corporation, NXP B.V.Inventors: Masato ISHIBASHI, Kiyoyuki TSUCHIYAMA, Daisuke HAMANO, Tomotsugu FUTA, Daisuke HORIGOME, Atsushi TASAKI, Yosuke HASHIMOTO, Yusuke KIHARA, Eiichi HOJIN, Arnaud VAN DEN BOSSCHE, Ray MARSHAL, Leonardo SURICO