Patents Assigned to Hitachi
  • Publication number: 20250053315
    Abstract: Provided is an in-vehicle electronic device including a nonvolatile memory and a heat generating component mounted on one substrate, the in-vehicle electronic device being capable of accurately measuring a temperature of the nonvolatile memory without being affected by a distance from the heat generating component or a use condition. An electronic device mounted on a vehicle includes a processing controller that processes information handled by the electronic device or controls the electronic device, a memory having a plurality of writing areas, a temperature sensor, and a remaining warranty period calculation unit that calculates a remaining warranty period of the memory based on an output from the temperature sensor.
    Type: Application
    Filed: December 14, 2021
    Publication date: February 13, 2025
    Applicant: Hitachi Astemo, Ltd.
    Inventor: Tomoyuki KATAISHI
  • Publication number: 20250050828
    Abstract: Provided is a transfer device capable of suppressing shortage of memory resources even when the transfer device receives a diagnosis request from an external diagnostic equipment with respect to a plurality of electronic devices. A transfer device 20 receives a diagnosis request that is a message from an external diagnostic equipment 10 to a plurality of ECUs 18 from the external diagnostic equipment 10, and transfers the diagnosis request to some ECUs 18 out of a plurality of ECUs 18. Then, the transfer device 20 receives a diagnosis response that is a message from the ECU18 to the external diagnostic equipment 10 from some ECUs 18, transfers the diagnosis response to the external diagnostic equipment 10 and, thereafter, transfers the diagnosis request to ECUs 18 different from the above-mentioned some ECUs 18.
    Type: Application
    Filed: August 12, 2022
    Publication date: February 13, 2025
    Applicant: HITACHI ASTEMO, LTD.
    Inventors: Nobuhiro ARIYASU, Shuhei KANEKO, Nobuyoshi MORITA, Mikio KATAOKA, Wataru IBA, Teruaki NOMURA
  • Publication number: 20250052594
    Abstract: A computing device includes: a sensor information acquiring unit which acquires sensor information output by a sensor which is mounted on a vehicle and measures a surrounding environment; a storage unit which stores a reference map which is created in advance and is a map of a reference coordinate system which is a predetermined world coordinate system; an odometry information acquiring unit which acquires movement information which is information regarding movement of the vehicle on the basis of an output of the sensor mounted on the vehicle; a periphery map generating unit which generates a periphery map, which is a map in a vehicle coordinate system which is a coordinate system different from the reference coordinate system, on the basis of the sensor information and the movement information; a partial map extracting unit which extracts partial maps, which are regions not overlapping each other, from the periphery map; and a gap parameter calculating unit which calculates, for a coordinate conversion param
    Type: Application
    Filed: November 29, 2022
    Publication date: February 13, 2025
    Applicant: HITACHI ASTEMO, LTD.
    Inventors: Morihiko SAKANO, Hideyuki KUME, Shigenori HAYASE, Tatsuhiko MONJI
  • Publication number: 20250055836
    Abstract: Disclosed is an information sharing system that includes a concealment processing section, an analysis section, and an information transmission section. The concealment processing section conceals information collected from any one or more of multiple organizations in accordance with the level of credibility between the organizations. The analysis section makes an analysis by using the information concealed by the concealment processing section and an analysis logic collected from any one or more of the multiple organizations. The information transmission section transmits the result of analysis by the analysis section to any one or more of the multiple organizations, and allows each organization to share the result of analysis.
    Type: Application
    Filed: December 28, 2021
    Publication date: February 13, 2025
    Applicant: Hitachi, Ltd.
    Inventors: Yuki UEKI, Tomohiro SHIGEMOTO, Nobutaka KAWAGUCHI, Katsuya NISHIJIMA
  • Publication number: 20250055354
    Abstract: A core member of a current detector includes an annular core having a magnetic gap, a first mold portion sealing a part of the core, and a second mold portion sealing the first mold portion, in which the first mold portion has a pair of pressing surfaces with the magnetic gap being interposed therebetween, and the pair of pressing surfaces are sealed by the second mold portion.
    Type: Application
    Filed: February 21, 2022
    Publication date: February 13, 2025
    Applicant: HITACHI ASTEMO, LTD.
    Inventors: Kazushige KATAGIRI, Kiyotaka KANNO
  • Publication number: 20250050826
    Abstract: A vehicle control device includes: a current detecting unit for detecting a current flowing through a lead wire, and outputting a current detection value; a current interrupting unit for interrupting the current flowing through the lead wire; and a computing unit for computing a temperature rise value caused by Joule heat in the lead wire using the current detection value, estimating an environmental temperature of an environment in which the lead wire is wired based on the temperature rise value, outside air temperature information of a vehicle, inside air temperature information in a vehicle cabin, and solar radiation information, and determining whether to output a current interruption instruction to the current interrupting unit based on the temperature of the lead wire estimated using the environmental temperature.
    Type: Application
    Filed: February 6, 2023
    Publication date: February 13, 2025
    Applicant: Hitachi Astemo, Ltd.
    Inventors: Hiroshi NAKANO, Nobuyasu KANEKAWA, Takao FUKUDA, Kentaro JUMONJI
  • Publication number: 20250050875
    Abstract: A processing device in an in-vehicle electronic control device recognizes a travelable area on a road surface around a host vehicle that the host vehicle enters, based on a result of an integration process, sets an avoidance target for avoiding a collision with an object predicted to collide when a collision between the host vehicle and the object is predicted, generates an avoidance route in the travelable area, the avoidance route leading to the avoidance target, sets an entering object detection area around the host vehicle to detect entry of the object, and detects the object having entered the entering object detection area based on object information of the object, detected by a plurality of external sensors, before the integration process, and determines whether to execute an avoidance operation along the avoidance route based on a result of the detection.
    Type: Application
    Filed: August 25, 2022
    Publication date: February 13, 2025
    Applicant: HITACHI ASTEMO, LTD.
    Inventor: Jyunya IIZUKA
  • Publication number: 20250052293
    Abstract: An elastic support member interposed between a coil spring and a spring support member supporting an end of the coil spring includes a protrusion protruding from an opposing surface of the elastic support member facing the spring support member and configured to be inserted into a through-hole of the spring support member. The protrusion includes: a base sized, in a direction parallel to the opposing surface, to be smaller than the through-hole and configured to be fitted in the through-hole; and a lug protruding outward from an outer periphery of the base and located opposite the opposing surface with respect to the spring support member when the base is fitted in the through-hole. The lug includes a recess between it and the base depressed away from the opposing surface.
    Type: Application
    Filed: August 9, 2024
    Publication date: February 13, 2025
    Applicants: Hitachi Astemo, Ltd., HONDA MOTOR CO., LTD.
    Inventors: Takahiro MASUDA, Ryo SAKAKIBARA, Masaki TAKENAKA, Tomoaki KUBOTA
  • Publication number: 20250052284
    Abstract: A propeller shaft for transmitting driving force of a vehicle includes a first shaft unit mounted to the vehicle via a vehicle mounting member. The first shaft unit includes a sleeve yoke, a stub shaft, and a tube. The sleeve yoke is connected to an output shaft of a transmission of the vehicle, and receives the driving force via the output shaft. The stub shaft is disposed oppositely to the sleeve yoke in a direction of a rotational axis of the first shaft unit. The tube connects the sleeve yoke and the stub shaft. The stub shaft includes a weakest part structured to be less in torsional strength than a remaining part of the first shaft unit and formed at a position at which the stub shaft overlaps with the vehicle mounting member in the direction of the rotational axis.
    Type: Application
    Filed: December 14, 2022
    Publication date: February 13, 2025
    Applicant: HITACHI ASTEMO, LTD.
    Inventors: Shoichi ICHIKAWA, Daiki TSUTSUMI, Toshiyuki MASUDA, Kenichiro ISHIKURA
  • Patent number: 12221963
    Abstract: A screw compressor and a compact variable volume index valve therefore are provided. The compact variable volume index valve includes a linear valve member positioned adjacent a compression chamber outlet end of a compression chamber of the screw compressor, an actuator structure coupled to the liner valve member and oriented to move the linear valve member radially along the compression: chamber outlet end of the compression chamber to adjust a radial location where gas exits the compression chamber, wherein the actuator structure is coupled to a shutter of a spiral valve of the screw compressor such that the actuator structure moves the liner valve based on a position of the spiral valve of the screw compressor.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: February 11, 2025
    Assignee: Hitachi Global Air Power US, LLC
    Inventors: Jonathan D. Batdorff, Hideki Fujimoto, Christian Vaughn
  • Patent number: 12221083
    Abstract: A reduction motor for a parking brake mechanical actuator of a drum brake comprising an electric motor and a reduction gearbox, in which the electric motor comprises an output shaft extending along a first axis, the reduction gearbox comprises an output shaft extending along a second axis, and in which the reduction motor also comprises at least one angle gear between the electric motor and the reduction gearbox or at the output of the reduction gearbox, the angle gear comprising a crown gear-pair comprising a pinion and a crown gear, the pinion being engaged with the output shaft of the electric motor and meshing with the crown gear which is a part of the reduction gearbox.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: February 11, 2025
    Assignee: HITACHI ASTEMO FRANCE
    Inventors: Alberto Molinaro, Cédric Guignon, Gérard Luu, Christophe Dupas, Gaëtan Quazuguel
  • Patent number: 12221774
    Abstract: An operation record analysis system for a construction machine is provided which can efficiently extract work contents that may possibly make a factor of decrease in the operation rate from within operation information recorded at the time of operation of a construction machine. The operation record analysis system for a construction machine includes an object sensor that senses an object existing around a machine body. A controller calculates the position of the object on the basis of the information from the object sensor, decides, on the basis of the information from a machine body position sensor and a machine body posture sensor, and the position of the object, whether or not the machine body and the object are close to each other, and adds a result of the decision to the operation information.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: February 11, 2025
    Assignee: HITACHI CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Yoshibumi Fukuda, Takuya Naka, Masatsugu Arai, Koutarou Masuda
  • Patent number: 12222690
    Abstract: To facilitate evaluation of a predicted process shape in process recipe development using machine learning, a process recipe search apparatus that searches for an etching recipe that is a parameter of a plasma processing apparatus set so as to etch a sample into a desired shape displays, on a display device, the predicted process shape of the sample by a candidate etching recipe predicted by using a machine leaning model, by highlighting a difference between the predicted process shape and a target shape.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: February 11, 2025
    Assignee: Hitachi High-Tech Corporation
    Inventors: Takashi Dobashi, Hiroyuki Kobayashi, Takeshi Ohmori
  • Patent number: 12221964
    Abstract: A spiral valve and a screw compressor having a compressor housing and the spiral valve are provided. The spiral valve includes an actuator module having an electric motor and a gearbox mechanically coupled to the electric motor to transmit a torque from the electric motor, and a spiral valve body coupled to the gearbox to rotate in response to the transmitted torque from the electric motor. The spiral valve body has a first shutter positioned to open and close one or more of a plurality of bypass ports formed in the compressor housing based on a rotational position of the second shutter, a second shutter positioned to progressively open and close a compressor inlet transfer duct formed in the compressor housing based on a rotation position of second shutter, and a gap formed between the first and second shutters.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: February 11, 2025
    Assignee: Hitachi Global Air Power US, LLC
    Inventors: Jonathan D. Batdorff, Hideki Fujimoto, Don Weinkauf, Christian Vaughn
  • Patent number: 12222357
    Abstract: Provided is an automatic analyzer in which a linear movement unit and a rotational movement unit that access to a same location can be arranged in a same plane. The automatic analyzer includes a linear movement unit configured to access to an access point by a linear movement, a rotational movement unit configured to access to the access point by a rotational movement, and a control unit configured to control an operation of the linear movement unit and the rotational movement unit so that the linear movement unit and the rotational movement unit do not interfere with each other.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: February 11, 2025
    Assignee: Hitachi High-Tech Corporation
    Inventors: Tsukasa Suenari, Takenori Okusa
  • Patent number: 12224158
    Abstract: A plasma processing apparatus that can inhibit clustering of gas and supply the gas stably, including an integrated gas box configured to adjust the flow rate of gas, and a discharge portion, and the integrated gas box includes gas blocks including a flow path through which the gas flows, a heater configured to heat the flow path, a bypass path provided in the flow path, and a flow controller configured to detect the inflow amount of the gas and output the gas from the flow path to the discharge portion. The heater is configured to perform heating to a predetermined temperature based on the type of the gas. The predetermined temperature is, for example, 65° C. or more. The bypass path includes a flow path causing a change in the pressure of the gas flowing through the flow path.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: February 11, 2025
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Yoshinori Yoshida, Yutaka Kouzuma, Kazuyuki Hirozane
  • Patent number: 12225659
    Abstract: An electronic control device includes a board including a heat sink on which a heat generation element is mounted, and a housing that is in contact with the board and dissipates heat of the heat generation element to the outside. A potential of the housing is a ground, and a potential of the heat sink is a non-ground. The board includes a first layer including a first non-ground wiring that is in direct contact with the heat sink, and a second layer including a second ground wiring that is in electrical and thermal contact with the housing. The first non-ground wiring and the second ground wiring overlap each other in plan view from a thickness direction of the board.
    Type: Grant
    Filed: December 25, 2020
    Date of Patent: February 11, 2025
    Assignee: HITACHI ASTEMO, LTD.
    Inventors: Miki Hiraoka, Yoshio Kawai
  • Patent number: 12224997
    Abstract: In some examples, a first computing device associated with a first site may receive a certificate of a second computing device associated with a second site that is different from the first site. The first computing device may send, to the second computing device, a credential of a user associated with the second site. In addition, the first computing device may send to the second computing device, a certificate of the first computing device. Furthermore, based at least on authentication of the credential of the user by the second computing device, trusted communications may be established between the first computing device and the second computing device.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: February 11, 2025
    Assignee: HITACHI VANTARA LLC
    Inventors: Andrew Todd, Walter Wohler, Marty Kulma, Richard Bramante
  • Patent number: 12220824
    Abstract: A correction device includes: a measurement point generation unit configured to generate a plurality of candidate points corresponding to posture of a robot within a movable range of the robot based on robot mechanism model information representing a mechanism of the robot and end effector information concerning an end effector installed in the robot, and determine, among the generated plurality of candidate points, a candidate point at which joint torque ? of each joint of the robot in the posture corresponding to each candidate point is equal to or more than a predetermined threshold as a measurement point; and a parameter identification unit configured to calculate a position error between a calculated position and a measured position of the end effector in the posture corresponding to the measurement point and identify mechanism error parameters so that the calculated position error is minimized.
    Type: Grant
    Filed: March 1, 2023
    Date of Patent: February 11, 2025
    Assignee: Hitachi, Ltd.
    Inventors: Masaaki Maeda, Kaoru Kitajima
  • Patent number: 12222957
    Abstract: To back up stored data of a storage device installed on-premise to a storage service provided by a public cloud more reliably and efficiently. A storage system according to the invention includes a storage device having first storage logical volumes (LDEVs), and a storage device having second storage LDEVs. When stored data of a first LDEV and stored data of a second LDEV are synchronized with each other, network conditions in a transfer path from the storage device to the public cloud and in a transfer path from the storage device to the public cloud are observed. The first LDEV or the second LDEV is selected as a backup source based on the network conditions.
    Type: Grant
    Filed: September 8, 2023
    Date of Patent: February 11, 2025
    Assignee: Hitachi Vantara, Ltd.
    Inventors: Kazuei Hironaka, Masahiro Arai, Akira Deguchi