Patents Assigned to Hitachi Automotive Systems, Ltd.
  • Patent number: 11049398
    Abstract: A surrounding environment recognizing apparatus that is mounted on a vehicle and recognizes a surrounding environment of the vehicle includes: an own vehicle information acquiring unit that acquires own vehicle information about motion of the vehicle; a surrounding environment factor acquiring unit that acquires surrounding environment factor information about an environment factor around the vehicle; a time-of-presence range determining unit that determines, based on the own vehicle information, an own vehicle time-of-presence range representing a time-of-presence range of the vehicle for each position around the vehicle; and a risk-of-driving determining unit that determines a risk of driving in an area around the vehicle based on the own vehicle time-of-presence range and the surrounding environment factor information.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: June 29, 2021
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Yuki Horita, Shigenori Hayase, Makoto Kudo
  • Patent number: 11047822
    Abstract: A sensor device includes a detection resistor having a resistance value changing according to a physical quantity and a reference resistor compared with the detection resistor, the reference resistor is configured by electrically connecting a first resistance circuit and a second resistance circuit. The first resistance circuit includes a first and a second resistive element having positive and negative resistance temperature coefficients, respectively, which are electrically connected. The second resistance circuit includes a third and a fourth resistive elements having a positive and a negative resistance temperature coefficient, respectively, which are electrically connected. The first resistance circuit is configured to generate a first deviation to either the positive or negative side with respect to a temperature change, and the second resistance circuit is configured to generate a second deviation to the side opposite to the positive or negative side where the first deviation is generated.
    Type: Grant
    Filed: July 4, 2017
    Date of Patent: June 29, 2021
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Hiroshi Nakano, Masahiro Matsumoto, Yasuo Onose, Hiroaki Hoshika
  • Publication number: 20210189922
    Abstract: A gear configured to rotate as a unit with a shaft, the gear includes: a plurality of annular grooves formed on both side surfaces of the gear in a direction of a rotation axis of the shaft, at least partially overlapped when viewed from the direction of the rotation axis, and at least partially overlapped in a radial direction with respect to the rotation axis.
    Type: Application
    Filed: March 27, 2019
    Publication date: June 24, 2021
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Masahumi KURITA, Masaharu KITAMURA
  • Publication number: 20210195758
    Abstract: A resin-sealed in-vehicle electronic control device in the present disclosure is a resin-sealed in-vehicle electronic control device including a circuit board on which an electronic component is mounted, a connector housing that electrically connects the circuit board to an external terminal, and a sealing resin fixing the connector housing to the circuit board. The connector housing has a through hole allowing communication between a second end surface located opposite to a first end surface on which the external terminal is mounted and a side surface of the connector housing adjoining the second end surface, and the sealing resin is continuous to fill at least the inside of the through hole and cover a part of an outer periphery of the connector housing and at least a part of an outer periphery of the circuit board.
    Type: Application
    Filed: June 11, 2019
    Publication date: June 24, 2021
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Kazuhiro SUZUKI, Yoshio KAWAI, Toshiaki ISHII, Shota EZAKI
  • Publication number: 20210188264
    Abstract: Provided is a vehicle control device capable of realizing fuel-efficient traveling of an own vehicle. Therefore, a vehicle control device 100 includes a limiting factor determination unit 101 that determines whether there are a limiting factor on an own lane that limits traveling of an own vehicle in the own lane and a limiting factor on an adjacent lane that limits the traveling of the own vehicle in a lane adjacent to the own lane, a lane selection unit 102 that selects a lane in which the own vehicle travels based on a determination result of the limiting factor determination unit 101, and a driving force control unit 103 that controls a driving force of the own vehicle based on the lane selected by the lane selection unit 102.
    Type: Application
    Filed: February 14, 2019
    Publication date: June 24, 2021
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Yuuki OKUDA, Takashi OKADA, Kengo KUMANO
  • Publication number: 20210195767
    Abstract: Reliability is to be improved. A control board 2 on which an electronic component 1 is mounted and an enclosure 3 in which the control board 2 is sealed with sealing resin 5 are included, wherein the enclosure 3 has a shape in which a volume of resin on one surface side of the control board 2 is larger than a volume of resin on the other surface side, a gate mark 21a is formed in the enclosure 3, a length of the gate mark 21a in a thickness direction of the control board 2 is larger than a thickness of the control board 2, the control board 2 is located such that a side surface partially overlaps a projection region of the gate mark 21a, and the control board 2 is arranged toward the other surface side relative to a center of the gate mark 21a.
    Type: Application
    Filed: August 8, 2019
    Publication date: June 24, 2021
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventor: Yujiro KANEKO
  • Publication number: 20210189943
    Abstract: Provided is a flow control valve and a cooling system, with which a pressure loss can be reduced. A rotor 12 includes a first guide portion 43 on the outer circumferential side of an extending portion 42 fixed to a drive shaft 13 and protruding into a space inside the rotor 12. The first guide portion 43 has a radial outer shape which increases from an x-axis positive direction side toward an x-axis negative direction side.
    Type: Application
    Filed: March 5, 2021
    Publication date: June 24, 2021
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Takeshi YOSHIMURA, Shingo MURAKAMI, Zhenyu SHEN
  • Publication number: 20210192250
    Abstract: The purpose of the present invention is to obtain reliable recognition performance even in a lens which is capable of long-distance and close proximity photography. This object recognition device 1 comprises an image acquisition unit which acquires an image 1000 which includes a plurality of image regions 1001, 1002, 1003 which have differing resolutions, and a recognition processing unit which carries out a recognition process upon an object within the screen 1000. One image region 1003, among the plurality of image regions 1001, 1002, 1003 of the screen 1000, has a lower resolution than the other image regions 1001, 1002. The recognition processing unit carries out the recognition process of the object on the basis of assessment references which differ among the one image region 1003 and the other image regions 1001, 1002.
    Type: Application
    Filed: January 30, 2017
    Publication date: June 24, 2021
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Haruki MATONO, Takeshi NAGASAKI, Yuhi SHIINA
  • Publication number: 20210190025
    Abstract: The conventional penetration control has a problem that the penetrations of all the injection holes change. An object of the invention is to provide a fuel injection valve having a simple structure and capable of selectively controlling a penetration force of spray injected in a piston direction by a lift amount. In order to solve the above problem, the fuel injection valve of the invention is a fuel injection valve for injecting fuel to a combustion chamber of an internal combustion engine, which includes a valve body that is lifted by any one of a first lift amount of a maximum valve body lift amount and a second lift amount smaller than the first lift amount.
    Type: Application
    Filed: November 13, 2018
    Publication date: June 24, 2021
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Tomoyuki HOSAKA, Eiji ISHII, Kazuki YOSHIMURA, Noriyuki MAEKAWA
  • Publication number: 20210190617
    Abstract: Provided is a sensor element that can be manufactured without using hydrofluoric acid or hot phosphoric acid solution. A sensor element 100 includes a base material 10 and a semiconductor chip 20 bonded to the base material 10. The semiconductor chip 20 includes a semiconductor substrate 21, a support film 22 provided on a surface 21a of the semiconductor substrate 21, and a substrate chamber 23 provided in a concave shape on the semiconductor substrate 21 to form a cavity facing an element region 22A of the support film 22, an insulating layer 24 provided on a rear surface 21b of the semiconductor substrate 21, and a bonding layer 25 provided between the insulating layer 14 and the base material 10. The insulating layer 24 includes at least one of a silicon oxynitride film and a silicon oxide film. The bonding layer 25 includes a low-melting point glass.
    Type: Application
    Filed: October 10, 2018
    Publication date: June 24, 2021
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Takuya AOYAGI, Ryo ANDO, Kazuhiro OHTA, Kengo SUZUKI, Hiroshi ONUKI, Yasuo ONOSE, Hiroshi NAKANO
  • Publication number: 20210189985
    Abstract: Provided is a technology of accurately classifying abnormality in response characteristics of an air-fuel ratio sensors into six deterioration modes. In order to solve the above problems, the present disclosure provides a control device including a microprocessor that detects a response delay of an air-fuel ratio sensor attached to an internal combustion engine, in which the microprocessor includes a target air-fuel ratio change unit configured to change a target air-fuel ratio between lean and rich, and a response delay detection unit configured to detect a respond delay of the air-fuel ratio sensor that occurs in a real air-fuel ratio sensor signal output from the air-fuel ratio sensor when the target air-fuel ratio is changed between the lean and the rich by the target air-fuel ratio change unit.
    Type: Application
    Filed: June 17, 2019
    Publication date: June 24, 2021
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventor: Eisaku FUKUCHI
  • Patent number: 11042757
    Abstract: An image processing device mounted to a vehicle includes a motion feature extracting unit is configured to create motion information indicative of a motion of an observation target from a captured image including the observation target around the vehicle, a distance feature extracting unit is configured to calculate a distance from the vehicle to the observation target based on the captured image, and a recognition unit is configured to execute a recognition process of the observation target based on process results of the motion feature extracting unit and the distance feature extracting unit. The motion feature extracting unit and the distance feature extracting unit have respective operation processing amounts changed based on a predetermined vehicle state.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: June 22, 2021
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Keisuke Inata, Satoshi Sano, Shinichi Nonaka
  • Patent number: 11043485
    Abstract: In a protective circuit of a conventional electronic device, surge resistance is low and it is difficult to connect an external connection terminal of an integrated circuit directly to an external connection terminal of the electronic device or the like. A protective circuit of an electronic device according to the present embodiment includes an external connection terminal 1 which is connected to an external signal; a wiring layer 2 which connects the external connection terminal 1 and a protective resistor 3; a protective resistor 3 which protects an internal circuit from surges or noises input from the external connection terminal 1; slits which divide the protective resistor 3; current distribution resistors which are constituted by dividing the protective resistor 3 by the slits; and MOS transistors which are connected to the current distribution resistors.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: June 22, 2021
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Masahiro Matsumoto, Hiroshi Nakano, Yoshimitsu Yanagawa, Akira Kotabe
  • Patent number: 11043906
    Abstract: A power conversion apparatus PWCS includes a smoothing capacitance element Cxp connected between a positive terminal and a negative terminal of a power source and configured to smooth a voltage change superimposed on a DC voltage, a switching circuit SWC converting the DC voltage into an AC voltage, a first bus bar BSB1 configured to electrically connect between the positive terminal of the power source and a terminal TCx1 of the smoothing capacitance element Cxp, a second bus bar BSB2 configured to electrically connect between the negative terminal of the power source and a terminal TCx2 of the smoothing capacitance element Cxp, and a filtering capacitance elements C1 and C2 electrically connected between the first bus bar BSB1 and the second bus bar BSB2. The first bus bar BSB1 and the second bus bar BSB2 include opposing portions and are disposed to allow the current to flow through the opposing portions in the same direction.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: June 22, 2021
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Jia Li, Isao Hoda, Yuji Sobu
  • Patent number: 11041563
    Abstract: The present invention provides a transmission control device for a vehicle capable of changing a threshold of a shift map for determining shift-up, thereby preventing occurrence of the shift-up during depression of an accelerator and preventing occurrence of a torque interruption. In a transmission control device for a vehicle 1 including a T/M-ECU 50 which automatically performs shift control for switching a plurality of shift gears of a transmission 20 for shift-up or shift-down, the T/M-ECU 50 has a shift threshold setting unit 54 which sets a shift threshold to be used for the shift control, on the basis of an operation plan or a surrounding state of the vehicle 1, and the shift threshold setting unit 54 sets the shift threshold to perform the shift control on the transmission 20 so as not to perform the shift-up of the transmission 20 during acceleration of the vehicle 1.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: June 22, 2021
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Munetoshi Tsuge, Takashi Tsutsui
  • Patent number: 11040671
    Abstract: The present invention provides an imaging device with which it is possible to easily mount/remove an imaging unit by a simpler operation than in the past when mounting/removing the imaging unit to and from a bracket, and to reduce more work space than in the past. In the present invention, an imaging unit 10 has a plurality of supported parts 15 that are supported by the bracket 20. The bracket 20 has a plurality of support structures 24 for supporting the plurality of supported parts 15. The support structures 24 have a receiving port 24a opened toward the rear of a mounting direction DF for receiving the supported parts 15 in the mounting direction DF and a support 24b for supporting the supported parts 15 on the forward side in the mounting direction DF of the receiving port 24a from a support direction DS that intersects the mounting direction DF.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: June 22, 2021
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Kenji Yamamoto, Hidenori Shinohara
  • Patent number: 11043508
    Abstract: A semiconductor device obtains high current ratio accuracy by eliminating an influence of plasma charging using a MOS-type transistor in which a channel region is isolated and separated from a semiconductor substrate. In a current mirror circuit in which both of a well of a NMOS-type transistor that generates a bias and a well of a NMOS-type transistor that receives the bias are formed insulated and separated from a semiconductor substrate, a connection circuit is connected between gate electrodes and wells of NMOS-type transistors without through the semiconductor substrate, and the connection circuit makes the gate electrodes and the wells in an electrically short-circuited state during manufacturing of the current mirror circuit, and makes the gate electrodes and the wells in a disconnected state in at least one direction during a mounting operation.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: June 22, 2021
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Shinichirou Wada, Yoichiro Kobayashi, Masato Kita
  • Publication number: 20210185795
    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: Application
    Filed: November 13, 2018
    Publication date: June 17, 2021
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Masahiro TOYAMA, Umberto PAOLETTI, Takeshi YAMAKAWA, Yoko OHKUBO, Hideyuki SAKAMOTO
  • Publication number: 20210180578
    Abstract: Provided is a compressor in which vibration resistance against an excitation force due to drive of a linear motor is improved. A linear compressor 1 includes: a mover 101 and a stator 102 which relatively move in a first direction and a second direction that is an opposite direction to the first direction; and an inverter portion 300 which includes a printed circuit board 305 and circuit elements 302 and 304 connected to the printed circuit board 305 through connection lead lines 306 extending from the printed circuit board 305, wherein the printed circuit board 305 is installed in a direction substantially perpendicular to the first direction.
    Type: Application
    Filed: September 29, 2017
    Publication date: June 17, 2021
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Tadahiko CHIDA, Yoshinori KAWAI
  • Publication number: 20210180534
    Abstract: The present invention provides a high-efficiency and highly-reliable fuel injection control device that controls a fuel injection valve of an internal combustion engine and can perform injection amount control in accordance with a deterioration degree of the fuel injection valve. A fuel injection control device controlling a fuel injection valve of an internal combustion engine includes a deterioration determination unit that determines a deterioration state of the fuel injection valve, an injection amount learning unit that learns the injection amount of the fuel injection valve, and a learning frequency change unit that changes the learning frequency of the injection amount learning unit in accordance with the deterioration state of the fuel injection valve.
    Type: Application
    Filed: February 1, 2019
    Publication date: June 17, 2021
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Fumihiro ITABA, Osamu MUKAIHARA, Akira IIZUKA