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: 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: 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: 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: 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
  • 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: 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: 20250147850
    Abstract: A system managing apparatus decides a time optimum for executing data copying from a copy source volume to a copy destination volume, and manages an RPO requirement of a user and a quiescing time period for each application at the time of a copy start. The system managing apparatus calculates a copy execution time and a copy execution interval such that data in which application consistency is maintained can be acquired at an interval that satisfies the RPO. In addition, the system managing apparatus monitors the use status of an application and the use status of a copy line after the start of copy operation, and calculates a copy execution time and a copy execution interval that allow a return to an appropriate recovery point, taking into consideration an application quiescing time period and a period of time required for copy completion that change in real time.
    Type: Application
    Filed: September 5, 2024
    Publication date: May 8, 2025
    Applicant: Hitachi Vantara, Ltd.
    Inventors: Noriko ICHIKAWA, Jun Nakajima
  • Publication number: 20250147883
    Abstract: One object of the disclosure is to reduce a capacity of cached data, reduce a transfer volume, or reduce a management cost. One aspect of the disclosure is a computer system including a storage control unit and a storage apparatus. The storage control unit receives a notification of information on an operation mode determined by an operation mode determination unit based on processing executed by a processing execution unit. When an access request is received via a virtual volume from the processing execution unit in a case where target data is not stored in a cache volume, the storage control unit executes an access to a real volume. The storage control unit controls the cache volume based on the information on the operation mode.
    Type: Application
    Filed: March 1, 2024
    Publication date: May 8, 2025
    Applicant: Hitachi, Ltd.
    Inventors: Mutsumi HOSOYA, Norio SHIMOZONO
  • 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: 20250146451
    Abstract: Provided is an electronic control device that drives and controls a fuel injection valve, the electronic control device increasing a boost current of a booster circuit only in a scene where boosting energy needs to be increased by short-time boosting, and reducing the boost current of the booster circuit in other scenes. The electronic control device including; a booster circuit; a boost setting controller that holds boost control information of the booster circuit; a boost controller that controls an energizing current of the booster circuit based on a current setting value from the boost setting controller; and a fuel injection circuit that supplies current to a fuel injection valve using voltage generated by the booster circuit, in which the boost setting controller reduces a boost speed of the booster circuit when information on engine temperature is higher than a predetermined value.
    Type: Application
    Filed: November 10, 2022
    Publication date: May 8, 2025
    Applicant: Hitachi Astemo, Ltd.
    Inventor: Koichi TSUKIO
  • Publication number: 20250145155
    Abstract: The present invention provides a vehicle movement control device to achieve both ride quality and minimization in travel time by setting a speed to make a physical quantity of an acceleration or jerk fall within a specified value in consideration of cooperation of longitudinal movement and lateral movement generated on a vehicle during travel. The vehicle movement control device includes: path command value calculation means that generates a path on which a vehicle travels; specified value setting means that sets a specified value of a physical quality of a vehicle behavior when traveling on the path; path feature point setting means that sets a path feature point based on the path and the specified value; and speed command value calculation means that calculates a speed for the vehicle to travel on the path based on the path, the specified value, and the path feature point.
    Type: Application
    Filed: October 25, 2022
    Publication date: May 8, 2025
    Applicant: Hitachi Astemo, Ltd.
    Inventors: Shingo NASU, Kentarou UENO, Shinji SETO
  • Publication number: 20250147789
    Abstract: The present disclosure enables appropriate collection and management of dependency relations regarding booting and/or shutdown of virtual elements and physical elements in a computer system. A dependency relation grasping system collecting and managing information in a computer system that has a plurality of servers and makes up a virtual machine by the plurality of servers, includes a processor. The processor is configured to acquire correlative relation information between a physical element and the virtual machine in the computer system, and identify dependency relations for booting and/or shutdown, between the virtual machine and the physical element, on the basis of the correlative relation information, and store, in a database, relationship information indicating the dependency relation.
    Type: Application
    Filed: September 23, 2024
    Publication date: May 8, 2025
    Applicant: Hitachi, Ltd.
    Inventor: Yumiko OE
  • 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: 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: 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: 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: 12292330
    Abstract: Provided is a spectrometry apparatus that suppresses a reduction in usage efficiency of an irradiation energy of a light. A spectrometry apparatus of the disclosure includes a stage on which a sample is placed, an electromagnetic source that emits an electromagnetic wave, one or a plurality of optical elements that transform a spatial energy distribution of the electromagnetic wave and emit the electromagnetic wave, and a reflective objective lens that collects the electromagnetic wave after a transformation of the spatial energy distribution and irradiates the sample with the collected electromagnetic wave.
    Type: Grant
    Filed: April 6, 2023
    Date of Patent: May 6, 2025
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Kaifeng Zhang, Masahiro Watanabe, Takenori Hirose
  • Patent number: 12292438
    Abstract: Provided is an automatic analyzer to control a temperature of a reagent supplied to a magnetic separator with high accuracy. The automatic analyzer includes a magnetic separator that separates a magnetic component and a non-magnetic component from liquid obtained by reacting a sample with a first reagent, a storage unit that accommodates a second reagent, a pipe used to supply the second reagent to the magnetic separator, and a heat exchanger that adjusts a temperature around the pipe. It is preferable that the heat exchanger includes a heat absorption and dissipation unit and a fan that blows air heat-exchanged by the heat absorption and dissipation unit, and the air blown from the fan is blown onto the pipe.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: May 6, 2025
    Assignee: Hitachi High-Tech Corporation
    Inventors: Koki Yokoyama, Takenori Okusa
  • Patent number: 12292389
    Abstract: A defect inspection apparatus including a stand that supports a sample, an illumination optical system that irradiates the sample with illumination light, a scanning device that drives the sample stand to change position, detection optical systems that condense illumination scattered light from a surface of the sample, sensors that convert the condensed light into an electric signal and output a detection signal, a storage device that stores a plurality of feature vectors for each defect type, and a signal processing device that processes detection signals input from the plurality of sensors. The signal processing device calculates a measurement vector that is a feature vector of a defect on the surface of the sample, generates a feature vector of a virtual defect in which a form of the detection defect has been changed, from the actual measurement vector, and accumulates the feature vector of the virtual defect of one instruction defect.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: May 6, 2025
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventor: Toshifumi Honda