Patents Assigned to Hitachi
  • Publication number: 20250147773
    Abstract: An arithmetic apparatus includes a memory, a non-volatile storage medium that stores a non-real-time OS, a management object program that cannot be activated simultaneously with another management object program, a background program that executes the management object program, and a management program that manages the management object program, and a central processing unit that executes the OS, the management object program, the background program, and the management program. The background program generates one or more temporary processes by the OS, and stores the management object program in the memory, selects a selection process that is one of the temporary processes, and associates the selection process with the management object program stored in the memory, and the management program causes the management object program associated with the selection process to operate, without generating a new process, when the management program receives a command to start the management object program.
    Type: Application
    Filed: March 30, 2022
    Publication date: May 8, 2025
    Applicant: Hitachi, Ltd.
    Inventors: Sungho KIM, Yusaku OTSUKA
  • Publication number: 20250145393
    Abstract: Provided are a conveying device and a conveying method capable of improving the position detection accuracy of the holder as compared with the related art. A conveying device 100 includes a coil 107 including a core 105 and a winding 106, a drive unit 108 that supplies a current to the winding 106, a current detection unit 109 that detects the value of the current flowing through the winding 106, and a control unit 110 that calculates the position of a holder 102, in which the control unit 110 calculates the position of the holder 102 based on the current value detected by the current detection unit 109 and the calibration curve obtained in advance, and changes the calibration curve used depending on how the drive voltage is applied by the drive unit 108.
    Type: Application
    Filed: October 28, 2022
    Publication date: May 8, 2025
    Applicant: HITACHI HIGH-TECH CORPORATION
    Inventors: Shinji Azuma, Hiroshi Watanabe, Shigeru Yano
  • Publication number: 20250147703
    Abstract: A first node performs copy (virtual copy) of address mapping between a virtual volume and a pool to a first virtual volume to create a third virtual volume in the first node. A second node performs mapping from a first pool volume in the second node to the third virtual volume in the first node, and links an address of the first pool volume, which is mapped to the third virtual volume, to an address of a second virtual volume in the second node.
    Type: Application
    Filed: January 8, 2025
    Publication date: May 8, 2025
    Applicant: Hitachi Vantara, Ltd.
    Inventors: Takaki MATSUSHITA, Kazuki MATSUGAMI, Akira DEGUCHI, Norio SHIMOZONO, Shinichi HAYASHI
  • Publication number: 20250146985
    Abstract: To provide a method for controlling a liquid chromatograph mass spectrometer by which contamination of a mobile phase solvent caused by a foreign substance can be detected without using an internal standard substance. The method for controlling a liquid chromatograph mass spectrometer according to the present disclosure includes: calculating a first ratio of signal intensities at a first time point and a second time point when measurement is performed using a first mobile phase solvent; calculating a second ratio of signal intensities at the first time point and the second time point when measurement is further performed using a second mobile phase solvent; and determining whether or not the second mobile phase solvent is contaminated according to an absolute difference between the first ratio and the second ratio.
    Type: Application
    Filed: September 21, 2022
    Publication date: May 8, 2025
    Applicant: HITACHI HIGH-TECH CORPORATION
    Inventors: Yuka Sugawara, Hiroyuki Yasuda, Riku Tamura, Tsugunao Toma, Yuichiro Hashimoto, Masuyuki Sugiyama
  • Publication number: 20250147749
    Abstract: An object of the present invention is to obtain an update management system that makes it possible to perform writing and switching of a program in an ECU configuration having redundancy while a vehicle is traveling, even when the ECU configuration does not have a double-sided memory structure. An update management system of the present invention is mounted on a vehicle and includes: a plurality of arithmetic operation devices; and an update management device that controls the plurality of arithmetic operation devices. The plurality of arithmetic operation devices include at least a first arithmetic operation device and a second arithmetic operation device.
    Type: Application
    Filed: August 24, 2022
    Publication date: May 8, 2025
    Applicant: HITACHI ASTEMO, LTD.
    Inventors: Tatsuaki NAGAI, Hideyuki SAKAMOTO, Yuji FUKUSHIMA, Tsutomu KANEKO, Takaaki NOKAIDO
  • Publication number: 20250146972
    Abstract: An electrolyte concentration measuring device measures an ion concentration of analyte ions contained in a liquid, and includes: an ion selective electrode to which the liquid is supplied; a reference electrode serving as a potential reference; and a control unit outputting the ion concentration of the analyte ions based on an electromotive force between the reference electrode and the ion selective electrode to, whereby the control unit obtains a selectivity coefficient of interfering ions that affect measurement of a concentration of the analyte ions or a value corresponding to a concentration of the interfering ions from a trained model by inputting a measured potential of a solution containing the analyte and interfering ions into the model, the model outputting the selectivity coefficient of the interfering ions or the value corresponding to the concentration of the interfering ions based on the potential of the solution containing the ions.
    Type: Application
    Filed: November 29, 2022
    Publication date: May 8, 2025
    Applicant: Hitachi High-Tech Corporation
    Inventor: Kotaro YAMASHITA
  • Publication number: 20250149909
    Abstract: Provided is a charging system that can appropriately assign a power conversion unit to an apparatus to be charged. For this purpose, a unit assignment section is configured to, when a new apparatus to be charged is connected to any of charging ports, reduce the number of assigned units preferentially for one, from among apparatuses to be charged for which the number of assigned units is plural, that involves a smaller reduction in charging power when the number of assigned units is reduced, and to assign the power conversion section in a vacant state resulting from the reduction to the newly connected device to be charged.
    Type: Application
    Filed: January 18, 2023
    Publication date: May 8, 2025
    Applicant: HITACHI, LTD.
    Inventors: Takae SHIMADA, Kimihisa FURUKAWA, Yuuichi MABUCHI, Hiroshi KAMIZUMA, Yuki KAWAGUCHI
  • Publication number: 20250147862
    Abstract: A processing device includes a storage unit that stores a software component database indicating a correspondence relationship between a software component including at least a source code and a software feature indicating characteristics of a software, and heterogeneous features correlation information indicating a correspondence relationship between the software feature and a system feature having a lower abstraction level than the software feature and indicating characteristics of a system, an input unit that receives a request feature list including one or more of the system features, a feature conversion unit that refers to the heterogeneous features correlation information and outputs the software feature corresponding to the system feature included in the request feature list, and a software component selecting unit that refers to the software component database and outputs as a software component selection result the software component corresponding to the software feature output by the feature conver
    Type: Application
    Filed: February 7, 2022
    Publication date: May 8, 2025
    Applicant: Hitachi Astemo, Ltd.
    Inventor: Takafumi SUZUKI
  • Patent number: 12293973
    Abstract: A power semiconductor module includes a plurality of semiconductor switches arranged in a plurality of groups. Each semiconductor switch has a first terminal and a second terminal having a controlled path therebetween and a control terminal. A plurality of first group contacts are each connected to the first terminals of the semiconductor switches of a respective group and a plurality of second group contacts are each connected to the second terminals of the semiconductor switches of the respective group. A plurality of control group contacts are each connected to the control terminals of the semiconductor switches of the respective group. An interconnection bridge connects the control group contacts and the first group contacts of the plurality of groups. The interconnection bridge has a layer structure with a first conductive layer and a second conductive layer being separated by an insulating layer.
    Type: Grant
    Filed: June 10, 2022
    Date of Patent: May 6, 2025
    Assignee: Hitachi Energy Ltd
    Inventors: Slavo Kicin, Arne Schroeder, Farhad Yaghoubi
  • Patent number: 12292023
    Abstract: Failure in ignition of a fuel by an ignition plug is reduced, and, at the same time, wearing of electrodes of the ignition plug in an internal combustion engine is suppressed. A control device 1 for an internal combustion engine includes an ignition control unit that controls energization of an ignition coil 300 that supplies electric energy to an ignition plug 200 that discharges in a cylinder 150 of the internal combustion engine 100 to ignite fuel. The ignition control unit controls the energization of the ignition coil 300 such that first electric energy is released from the ignition coil 300 and second electric energy is released in superposition with the first electric energy. At this time, the energization of the ignition coil 300 is controlled such that releasing of the second electric energy is stopped at a timing that depends on a state of gas around the ignition plug 200 so that the discharge of the ignition plug 200 is stopped.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: May 6, 2025
    Assignee: Hitachi Astemo, Ltd.
    Inventor: Eiichiro Ohata
  • Patent number: 12293082
    Abstract: Provided is a computer system capable of maintaining a storage capacity allocated to a journal volume within an appropriate range during an application period of remote copy. A first storage system includes a primary volume and a primary journal volume, and a second storage system includes a secondary volume and a secondary journal volume. A management computer is configured to manage the remote copy in which a primary volume, a primary journal volume, a secondary journal volume, and a secondary volume are paired, and expand and/or release a capacity of the primary journal volume and/or the secondary journal volume according to operation information of a resource related to the remote copy.
    Type: Grant
    Filed: August 30, 2023
    Date of Patent: May 6, 2025
    Assignee: HITACHI VANTARA, LTD.
    Inventors: Tsukasa Shibayama, Akira Deguchi
  • Patent number: 12291852
    Abstract: Provided is a movement identification device capable of identifying a specific motion of a construction machine based on the output of a sensor attached to the construction machine with higher accuracy than the conventional technology. A movement identification device 100 includes a waveform generation unit 111, a waveform storage unit 121, and a motion identification unit 112. The waveform generation unit 111 generates a force waveform based on the signal of a force sensor that detects the force acting on the construction machine and an attitude waveform based on the signal of an attitude sensor that detects the attitude of the construction machine. The waveform storage unit 121 stores reference waveforms, which are combinations of force waveforms and attitude waveforms corresponding to specific motions.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: May 6, 2025
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Keita Ogasawara, Akio Hoshi, Shunichi Suda, Hiroshi Kanezawa, Takeshi Shiina
  • Patent number: 12291263
    Abstract: An object of the present invention is to estimate a center-of-gravity position and inertia moment of a trailer and supply the center-of-gravity position and inertia moment for control of an articulated vehicle so as to enable further stabilization of a posture of the articulated vehicle during traveling. A vehicle control device of the present invention is a vehicle control device mounted on a tractor which pulls a trailer, and is provided with: a steering angle control unit that controls a steering angle of wheels of the tractor independently of steering by a driver; and a trailer characteristic estimation unit that estimates a characteristic of the trailer based on a behavior of the tractor during wheel steering by the steering angle control unit.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: May 6, 2025
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Shinji Seto, Junya Takahashi, Tomoaki Fujibayashi, Hiroshi Nakano
  • Patent number: 12292508
    Abstract: Provided are a processing apparatus and a point cloud elimination method that can suppress point cloud processing load even if the number of points included in point clouds increases due to realization of high resolution of an apparatus that acquires point clouds of an object. The processing apparatus includes a memory (storage apparatus) and a processor. The memory stores data of a point cloud of an object. The processor eliminates data of a second point (subject point) that is included in the point cloud and is next to a first point (previous point) that is included in the point cloud from the data of the point cloud when the difference between the distance to the first point and the distance to the second point is smaller than a threshold (first threshold Th1) (Step 1903: YES) (Step 1908).
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: May 6, 2025
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Masayoshi Kuroda, Kosuke Sakata
  • Patent number: 12291355
    Abstract: The space structure control system includes: a space structure; an artificial satellite connected to the space structure; and a propulsion device installed on the artificial satellite and configured to control an orbit and an attitude of the artificial satellite, in which the space structure includes a film-like structure, a solar reflectance control device that controls a spatial pattern of a solar reflectance in a reflecting mirror provided in the film-like structure, and a shape retaining device that is connected to the film-like structure, the propulsion device rotates the film-like structure to generate a centrifugal force, the solar reflectance control device controls a solar reflectance in the reflecting mirror to control a solar radiation pressure to be applied to the reflecting mirror, a three-dimensional shape of the film-like structure is controlled based on the centrifugal force generated by the rotation of the film-like structure and the solar radiation pressure, and the shape of the film-like st
    Type: Grant
    Filed: February 22, 2024
    Date of Patent: May 6, 2025
    Assignee: HITACHI, LTD.
    Inventors: Makoto Ito, Tsukasa Funane, Koichi Watanabe, Yosuke Tanabe, Hisatoshi Kimura
  • Patent number: 12291250
    Abstract: A positioning and odometry system (POS) includes one or more sensors configured to collect sensor data. The one or more sensors are operably coupled to a portable housing configured to be coupled to a vehicle body. POS has processing circuitry operably coupled to the one or more sensors. The processing circuitry is configured to determine, in response to the collected sensor data from the one or more sensors, vehicle position and odometry data.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: May 6, 2025
    Assignee: Hitachi Rail GTS Canada Inc.
    Inventors: Walter Kinio, Rudy Rochefort, Alon Green
  • Patent number: 12291848
    Abstract: A main valve throttle (53) of a main valve (43) is configured by a lateral hole (53A) communicating an inlet side flow passage (25) and an outlet side flow passage (27) through the inside of the main valve (43) and a groove portion (53C) communicating the inlet side flow passage (25) and the outlet side flow passage (27) via an outer peripheral portion of the main valve (43). The groove portion (53C) is located such that a hydraulic fluid spurting from the groove portion (53C) changes the direction of a flow of a hydraulic fluid spurting from the lateral hole (53A). In this case, the direction of a flow of a hydraulic fluid F2 spurting from the lateral hole (53A) can be changed to approach the direction parallel to the center axis of the main valve (43) by a hydraulic fluid F1 spurting from the groove portion (53C).
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: May 6, 2025
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventor: Shohei Kawasumi
  • Patent number: 12292739
    Abstract: Provided is an autonomous travel system capable of effectively suppressing generation of ruts. It is a further object to provide an autonomous travel system including unmanned vehicles that travel on a transportation path constituted of opposite lanes, which is capable of suppressing generation of ruts while preventing proximity to an on-corning vehicle. An in-vehicle control device 200 includes: an offset amount determination unit 202 adapted to, based on common offset information received via a wireless communication device 240, determine an offset amount of a travel path 60 based on map information 251 and generate a target track 62; and an autonomous travel control unit 201 adapted to output a travel instruction to control traveling of a body so as to track the target track 62 to which the offset amount has been added based on the target track 62 and an own-vehicle position.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: May 6, 2025
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Masaki Kanai, Tomoyuki Hamada, Mikio Bando, Hiroto Morizane
  • Patent number: 12291199
    Abstract: A system includes a first device that controls a moving body and a second device that remotely controls the moving body. The first device obtains information around the moving body, movement information of the moving body, and remote control information. The first device calculates a control amount for controlling movement of the moving body based on one of the information and the movement information, switches autonomous movement and remote control of the moving body based on the remote-control information, and transmits one of the information, the movement information, and the control amount to the second device. The second device receives one of the information, the movement information, and the control amount, transmits the remote-control information to the first device, determines autonomous mobility of the moving body based on second information stored remotely, and generates the remote-control information including a determination result.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: May 6, 2025
    Assignee: Hitachi, Ltd.
    Inventors: Kenta Maeda, Junya Takahashi
  • Patent number: D1073628
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: May 6, 2025
    Assignee: Hitachi Energy Ltd
    Inventors: Gurusiddaiah Kotraiah, Manjunath AJ