Patents by Inventor Hideyuki Sakamoto

Hideyuki Sakamoto 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: 11360838
    Abstract: An electronic control device includes a rewritable configuration memory composed of a plurality of frames in which logic circuit information is stored, a reconfiguration control unit configured to rewrite the logic circuit information of the frames, a logic unit configured to form a logic circuit based on the logic circuit information stored in the frames, and a configuration memory diagnosis unit configured to read the logical circuit information stored in the frames of the configuration memory and to perform error detection which is detection of an error in the stored logic circuit information, in which when the frames are rewritten by the reconfiguration control unit, the configuration memory diagnosis unit performs the error detection of ones of the frames that are rewritten prior to ones of the frames that are not rewritten.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: June 14, 2022
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Kenichi Shimbo, Tadanobu Toba, Taisuke Ueta, Hideyuki Sakamoto
  • Patent number: 11352019
    Abstract: An electronic control device for a vehicle according to the present invention includes an action prediction unit that predicts the action of an object around the vehicle on the basis of external information acquired from external information detection units that detect external information of the vehicle, and a determination unit for a detection unit that determines whether an abnormality has occurred in the external information detection unit by comparing external information acquired from the external information detection unit at the time corresponding to a prediction result of the action prediction unit to the prediction result of the action prediction unit.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: June 7, 2022
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Tatsuya Horiguchi, Hideyuki Sakamoto, Teppei Hirotsu
  • Patent number: 11342917
    Abstract: An electronic control device includes: a logic circuit for reconfiguring a plurality of arithmetic circuits including a first circuit and a second circuit; a reconfiguration controller that reconfigures the arithmetic circuits and checks the reconfigured arithmetic circuits based on reconfiguration commands; and a process controller that transmits the reconfiguration commands to the reconfiguration controller and instructs the arithmetic unit to execute operations, in which when a first reconfiguration command is received, the reconfiguration controller reconfigures and checks the first circuit, when the check of the first circuit by the reconfiguration controller is completed, the process controller instructs the first circuit to execute an operation, the process controller transmits a second reconfiguration command to the reconfiguration controller and instructs the reconfiguration controller to start to reconfigure the second circuit until the execution of a predetermined process of the first circuit is co
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: May 24, 2022
    Assignee: HITACHI ASTEMO, LTD.
    Inventors: Taisuke Ueta, Kenichi Shimbo, Tadanobu Toba, Hideyuki Sakamoto
  • Patent number: 11327863
    Abstract: An electronic control device includes: a diagnostic circuit unit configured to be reconfigurable so as to be used to diagnose each of a plurality of processing circuits that processes an input signal; an input data storage unit configured to temporarily store the input signal; an output data storage unit configured to temporarily store an output signal of the plurality of processing circuits; a reconfiguration control unit configured to sequentially write, to the diagnostic circuit unit as circuit configuration information, circuit information the same as that of the plurality of processing circuits; a diagnostic control unit configured to cause the diagnostic circuit unit to perform calculation using the input signal stored in the input data storage unit when the circuit configuration information is written to the diagnostic circuit unit; and a comparator configured to diagnose each of the plurality of processing circuits by comparing output of the diagnostic circuit unit and the output signal stored in the
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: May 10, 2022
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Kenichi Shimbo, Tadanobu Toba, Hideyuki Sakamoto
  • Patent number: 11330704
    Abstract: An electronic control device includes a housing that stores a substrate on which an electronic component is mounted, a first capacitance unit formed between the housing and the electronic component, and a second capacitance unit formed between the housing and the substrate, in which a noise transmission path is formed between the housing and the substrate via the first capacitance unit and the second capacitance unit.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: May 10, 2022
    Assignee: HITACHI ASTEMO, LTD.
    Inventors: Masahiro Toyama, Umberto Paoletti, Takeshi Yamakawa, Yoko Ohkubo, Hideyuki Sakamoto
  • Patent number: 11322423
    Abstract: An electronic control device includes: a board; a heat generating component mounted on the board; a heat conductive sheet thermally coupled to one surface of the heat generating component located on a side opposite to the board side; and a cooling mechanism thermally coupled to the heat conductive sheet. The heat conductive sheet includes a folded structure having a plurality of folded-back portions and a plurality of connection portions provided between the folded-back portions, and the plurality of folded-back portions of the heat conductive sheet is thermally coupled to each of the heat generating component and the cooling mechanism.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: May 3, 2022
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Shinya Kawakita, Hideyuki Sakamoto
  • Patent number: 11318929
    Abstract: Provided is an electronic control apparatus including a reconfigurable logic circuit. The electronic control apparatus includes an information collection unit which collects information and a processing determination unit which determines a combination of processing information to be executed by the logic circuit, from a processing information storage unit that stores a plurality of pieces of processing information, on the basis of the collected information. The logic circuit is reconfigured on the basis of the combination of processing information determined by the processing determination unit.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: May 3, 2022
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Taisuke Ueta, Satoshi Tsutsumi, Hideki Endo, Hideyuki Sakamoto
  • Publication number: 20220118977
    Abstract: An electronic control unit that is installed on a vehicle connected to a trailer and capable of towing the trailer changes travel control of the vehicle according to a type of the trailer when the trailer is connected to the vehicle.
    Type: Application
    Filed: February 6, 2020
    Publication date: April 21, 2022
    Applicant: Hitachi Astemo, Ltd.
    Inventors: Kenichi SHIMBO, Tadanobu TOBA, Hideyuki SAKAMOTO, Taisuke UETA
  • Patent number: 11300070
    Abstract: An electromagnetic valve control unit for detecting operation of an electromagnetic valve on the basis of a drive voltage or a drive current applied to the electromagnetic valve. The electromagnetic valve control unit includes an A/D converter, a filter, and a detection unit. The A/D converter converts the drive voltage or the drive current into a digital signal. The filter has a gain of about zero at a predetermined frequency. The detection unit detects operation of the electromagnetic valve on the basis of an output of the filter upon input of the digital signal into the filter.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: April 12, 2022
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Toshihiro Aono, Motoyuki Abe, Ryo Kusakabe, Teppei Hirotsu, Ayumu Hatanaka, Hideyuki Sakamoto, Takao Fukuda, Masahiro Toyohara, Osamu Mukaihara
  • Publication number: 20220089179
    Abstract: There are realized a vehicle control device and an electronic control system with high reliability capable of safely shifting control even when an operation abnormality occurs in a sensor around a vehicle or an arithmetic block that processes sensor fusion. The vehicle control device includes a first arithmetic block which performs sensor fusion processing based on pieces of raw data output from a plurality of surrounding environment sensors, a second arithmetic block which performs sensor fusion processing based on pieces of object data generated by processing the pieces of raw data output from the plurality of surrounding environment sensors, and a third arithmetic block which diagnoses an output result of the first arithmetic block by using the output result of the first arithmetic block and an output result of the second arithmetic block.
    Type: Application
    Filed: January 15, 2020
    Publication date: March 24, 2022
    Applicant: HITACHI ASTEMO, LTD.
    Inventors: Hideyuki SAKAMOTO, Teppei HIROTSU, Taisuke UETA, Hidetatsu YAMAMOTO
  • Publication number: 20220094028
    Abstract: A signal transmission device including a signal wiring, a wide wiring that is formed continuously with one and the other of the signal wirings and has a wiring width larger than a wiring width of at least the one or the other of the signal wirings, a power wiring to which a signal/power separation filter is connected via a branch wiring branching from the wide wiring, and an open stub wiring that is connected to the branch wiring and has an open tip.
    Type: Application
    Filed: December 20, 2019
    Publication date: March 24, 2022
    Applicant: Hitachi Astemo, Ltd.
    Inventors: Yutaka UEMATSU, Hideyuki SAKAMOTO
  • Publication number: 20220058020
    Abstract: An electronic control device includes a processing control unit and an information acquisition unit.
    Type: Application
    Filed: January 29, 2020
    Publication date: February 24, 2022
    Applicant: Hitachi Astemo, Ltd.
    Inventors: Taisuke UETA, Tatsuya HORIGUCHI, Kenichi SHIMBO, Hideyuki SAKAMOTO
  • Patent number: 11255719
    Abstract: A material property inspection apparatus includes a conveyance unit, a light source, an irradiation unit, a light receiving unit, a signal detection unit, a material property value input unit, an inspection set value input unit, and a processing unit. The processing unit calculates a relation equation between the material property value from the material property values of the plurality of test pieces and the light intensity of the transmitted light or the reflected light of respective test pieces, calculates the material property value of the inspected object from the light intensity of the transmitted light or the reflected light detected by the signal detection unit and the relation equation, compares the calculated material property value of the inspected object with the inspection set value inputted from the inspection set value input unit, and determines the quality of the inspected object.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: February 22, 2022
    Assignee: ANRITSU CORPORATION
    Inventors: Masaaki Fuse, Ken Shioiri, Takao Tanimoto, Hideyuki Sakamoto
  • Patent number: 11247702
    Abstract: Even in a case where an operation abnormality occurs in the arithmetic processing unit of the control device, control is safely shifted to the degeneration control microcomputer, and a vehicle control device capable of improving safety is realized. There are provided an outside world recognition microcomputer 10b, a control microcomputer 11b that outputs a control command to the actuator control device, and a degeneration control microcomputer 12b to which control is shifted in a case where an abnormality occurs in the control microcomputer 11b. The outside world recognition microcomputer 10b calculates a collision potential based on information from the outside world, and determines whether to reset the control microcomputer 11b when an abnormality occurs in the control microcomputer 11b or to shift control to the degeneration control microcomputer 12b.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: February 15, 2022
    Assignee: HITACHI ASTEMO, LTD.
    Inventors: Hideyuki Sakamoto, Tadanobu Toba, Toshiaki Nakamura
  • Patent number: 11246246
    Abstract: To provide an electronic control device capable of suppressing leakage of radio-frequency radiation noise, radiated from a noise source, to the outside.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: February 8, 2022
    Assignee: HITACHI ASTEMO, LTD.
    Inventors: Yoko Ohkubo, Masahiro Toyama, Hideyuki Sakamoto
  • Patent number: 11235780
    Abstract: A transient increase/decrease of power supplied to a reconfiguration circuit to be a logic circuit whose circuit configuration can be changed is reduced. An autonomous traveling control ECU has a reconfiguration circuit, a function control unit, a power supply circuit, and a power supply control unit. The reconfiguration circuit is a reconfigurable logic circuit. The function control unit determines an operation mode of the reconfiguration circuit on the basis of a mode determination signal and controls a reconfiguration of the reconfiguration circuit on the basis of a determination result. The power supply circuit supplies power to the reconfiguration circuit. The power supply control unit controls the power supply circuit. The power supply control unit 206 controls a load current generated by the power supply circuit before a load variation of the reconfiguration circuit, on the basis of power supply control information to be information for controlling the power supply circuit.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: February 1, 2022
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Hiroshi Shinoda, Ming Liu, Taisuke Ueta, Hideyuki Sakamoto
  • Publication number: 20220029866
    Abstract: An electronic control unit is mounted on a vehicle, and includes a reception unit that receives a data signal transmitted via a transmission path mounted on the vehicle; an environmental information acquisition unit that acquires environmental information of the vehicle; and a determination unit that determines the state of the transmission path, in which the reception unit includes an equalizer that compensates for the data signal, the equalizer calculates a compensation parameter for compensating for the data signal, and the determination unit determines the state of the transmission path based on the compensation parameter and the environmental information.
    Type: Application
    Filed: February 7, 2020
    Publication date: January 27, 2022
    Applicant: Hitachi Astemo, Ltd.
    Inventors: Tadanobu TOBA, Kenichi SHIMBO, Nozomi KASAHARA, Yutaka UEMATSU, Hideyuki SAKAMOTO
  • Publication number: 20220017119
    Abstract: Provided is an automatic driving system based on a model predictive control, the automatic driving system where, in an event of a failure of an actuator, identification between a real vehicle and a vehicle model is simplified. Based on information regarding the failure of the actuator, the automatic driving system updates a spot in the vehicle model, the spot corresponding to the spot of failure detected, to a fixed value, and causes an actuator control device for the actuator, where the failure is detected, to fix a command value that is overwritten in accordance with a state of the actuator. With this configuration, the identification between the real vehicle and the vehicle model is simplified.
    Type: Application
    Filed: November 27, 2019
    Publication date: January 20, 2022
    Applicant: Hitachi Astemo, Ltd.
    Inventors: Yuki TANAKA, Tatsuya HORIGUCHI, Teppei HIROTSU, Hideyuki SAKAMOTO
  • Publication number: 20220017108
    Abstract: Provided is an in-vehicle control system capable of reducing an increase in cost accompanying advancement of a fallback operation. Therefore, the in-vehicle control system includes: a plurality of control circuits 3 and 4 respectively including control units that perform data communication with each other; an external environment recognition sensor a5; and a plurality of wirings 11, 12, 13, and 14 connecting the external environment recognition sensor a5 and the plurality of control circuits 3 and 4. The plurality of control circuits 3 and 4 include: a first power supply unit that supplies power to the external environment recognition sensor a5 via a corresponding wiring among the plurality of wirings 11, 12, 13, and 14; and a first detection unit that detects an abnormality related to the power supplied to the external environment recognition sensor a5.
    Type: Application
    Filed: October 11, 2019
    Publication date: January 20, 2022
    Applicant: Hitachi Astemo, Ltd.
    Inventors: Shigenobu KOMATSU, Hiroshi SHINODA, Hideyuki SAKAMOTO, Masaru KOKUBO, Hidetatsu YAMAMOTO
  • Publication number: 20220017107
    Abstract: An autonomous drive ECU 1 includes: at least two microcomputers 10 and 30 capable of receiving sensing data from a plurality of sensors 61; failure detection units 11 and 31 that detect a failure of the plurality of sensors 61 or the microcomputers 10 and 30; a mode selection unit 33 that selects a normal operation mode and a fallback operation mode; and a sensor selection unit that selects the sensor 61 based on a failure part detected by the failure detection unit 31 or a surrounding situation of an own vehicle calculated from the sensing data. Any of the at least two microcomputers 10 and 30 generates a drive signal for operating an actuator using the sensing data received from the sensor 61 selected by the sensor selection unit in the case of the fallback operation mode.
    Type: Application
    Filed: November 20, 2019
    Publication date: January 20, 2022
    Applicant: Hitachi Astemo, Ltd.
    Inventors: Hiroshi SHINODA, Hideyuki SAKAMOTO