Patents Assigned to Hitachi, Ltd.
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Publication number: 20250021246Abstract: When executing a data transfer process between one volume and a second storage unit, a computer resource activation unit activates one or more computer resources that executes the data transfer process, and mounts one common volume as a transfer source or a transfer destination in the data transfer process on any of the activated computer resources. A region allocation unit allocates a part of the data transfer process to the computer resource for each storage region. The computer resource executes the part of the data transfer process between the second storage unit and the storage region allocated to the computer resource in the one common volume.Type: ApplicationFiled: March 8, 2024Publication date: January 16, 2025Applicant: Hitachi, Ltd.Inventors: Masahiro ARAI, Akira Deguchi, Kazuei Hironaka
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Publication number: 20250024355Abstract: A communication control system for controlling communication with a flying object that is taking off or landing, includes a control system including a computation device that executes a prescribed process, and a storage device that is connected to the computation device, and a flying object that communicates with the control system via a base station. The control system stores a radio map indicating a radio quality of each position and each flight altitude of the flying object and each base station. With reference to the radio maps of a plurality of altitudes, a base station that has a favorable radio quality is selected on a taking-off and landing route in a taking-off and landing port.Type: ApplicationFiled: November 18, 2022Publication date: January 16, 2025Applicant: HITACHI, LTD.Inventors: Yuichi Igarashi, Masanori Ishino, Ryosuke Fujiwara
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Patent number: 12196791Abstract: A highly accurate feature extraction is performed on a signal with temporal variation in amplitude, and this signal is restored to detect a state of a transmission source (output source) of this signal to be normal or abnormal. A signal processing method includes: separating a signal X into an oscillation signal with a constant amplitude X1 and a signal with temporal variation in amplitude X2, the separating performed by a signal separator; performing processing of dimensionality reduction, compression, or the like, on the oscillation signal X1 so as to extract a feature value (information) included in the oscillation signal X1; and outputting a restored signal X1? that is restored from the oscillation signal X1 by performing processing inverse to the processing of dimensionality reduction, compression, or the like, based on the extracted feature value, performing the processing, the inverse processing, and the outputting performed by a signal X1 restorer.Type: GrantFiled: March 7, 2023Date of Patent: January 14, 2025Assignee: Hitachi, Ltd.Inventors: Shinji Nakagawa, Soichiro Tanaka, Masato Kunitomo, Kazuaki Tokunaga
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Patent number: 12197325Abstract: A frontend interface of a controller according to the present invention includes a plurality of corresponding queueing interfaces for each processor of the controller, and an enqueueing destination of a host I/O command can be switched in response to an instruction from a processor. When a controller OS restarts, the controller waits for completion of a host I/O and executes controller blocking and restarting during setup. Therefore, to determine whether or not this process is possible, the processor gives an instruction to switch a queue and waits until a switch source queue is empty.Type: GrantFiled: September 14, 2023Date of Patent: January 14, 2025Assignee: Hitachi, Ltd.Inventors: Katsuya Tanaka, Kentaro Shimada
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Patent number: 12198321Abstract: Provided are a fracture surface analysis apparatus and a fracture surface analysis method which enable a non-expert to conduct a fracture surface analysis just as well as an expert does. This fracture surface analysis apparatus is characterized by including a microscopic region observation unit that is provided with a first means for calculating an accuracy of fracture mode by using a first observation image, of a microscopic region of a to-be-analyzed object, acquired by an imaging means, a second means for calculating an observation condition for improving the accuracy of the fracture mode, and a third means for adjusting conditions for imaging the microscopic region by the imaging means, and that outputs the accuracy of fracture mode and the observation condition for improving the accuracy of fracture mode to a visualization means.Type: GrantFiled: April 7, 2020Date of Patent: January 14, 2025Assignee: HITACHI, LTD.Inventors: Yohei Isosaki, Yosuke Ueki
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Patent number: 12198176Abstract: Regarding MS information, information about each of a plurality of MS's includes meta information of the relevant MS. Regarding model information, information about each of one or a plurality of models includes meta information of the relevant model. A system evaluates appropriateness of an evaluation destination MS/model for an evaluation source MS/model as a replacement MS/model for the evaluation source MS/model on the basis of the meta information of the evaluation destination MS/model and the meta information of the evaluation source MS/model. The system recommends one or more evaluation destination MS's/models, as a candidate for a replacement MS/model of a designated MS/model, to a user on the basis of evaluation of each of one or two or more evaluation destination MS's/models regarding which the MS/model designated by the user in an application configured from one or two or more MS's/models is the evaluation source MS/model.Type: GrantFiled: January 15, 2021Date of Patent: January 14, 2025Assignee: HITACHI, LTD.Inventors: Shin Tezuka, Satoru Moriya, Takaya Ide, Keisuke Hatasaki
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Patent number: 12197760Abstract: A backup-source storage system extracts, as a pattern, forwarding target data to a backup-destination storage system among data written to a storage apparatus through a volume. The backup-source storage system determines whether the extracted pattern matches with a registered pattern in the backup-source storage system. When a result of the determination is false, the backup-source storage system registers the extracted pattern and forwards the forwarding target data to the backup-destination storage system. When the result of the determination is true, the backup-source storage system does not forward the forwarding target data.Type: GrantFiled: August 25, 2023Date of Patent: January 14, 2025Assignee: HITACHI, LTD.Inventors: Akira Deguchi, Kazuki Matsugami
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Publication number: 20250013993Abstract: An environmental load information cooperation system, which supports management on an environmental load caused when remanufacturing a recycled product using a recyclable part, stores processing information accumulated by associating information indicating recycling processing in each of processes for recycling the recyclable part, information indicating a processing purpose corresponding to the recycling processing, and information indicating an environmental load caused by the recycling processing, with a recycling identifier and a part type of the recyclable part; extracts, from the processing information, a permutation of one or more types of recycling processing performed consecutively on the recyclable part corresponding to the target part type in remanufacturing the recycled product, as a processing pattern for each processing purpose; gives a priority to the processing pattern based on a representative value of the environmental load for each processing purpose; and presents analysis result informatioType: ApplicationFiled: June 6, 2024Publication date: January 9, 2025Applicant: HITACHI, LTD.Inventors: Sanae Nakao, Masayuki Oyamatsu, Hideki Sato, Takuro Mori, Masakazu Yagi
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Publication number: 20250014166Abstract: The present invention can support more appropriate image analysis of an object by carrying out learning to increase the visibility of only a region of interest according to a purpose of image analysis of the object. Provided is a system including at least one processor and at least one memory resource, wherein the memory resource stores a region of interest (ROI) enhancement engine, a learning phase execution program, and an image processing phase execution program, and the processor, by executing the learning phase execution program, uses a learning image obtained by capturing an object for learning to generate an ROI-enhanced learning image in which only the ROI corresponding to an region of interest in a processing image obtained by capturing an object of image processing is enhanced, and, when the learning image is inputted, the processor carries out learning for optimizing internal parameters of the ROI enhancement engine so that the ROI enhancement learning image is generated.Type: ApplicationFiled: October 7, 2022Publication date: January 9, 2025Applicant: HITACHI, LTD.Inventors: Naoaki KONDO, Atsushi MIYAMOTO
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Publication number: 20250010893Abstract: Provided is a rail vehicle that efficiently transmits, to a railway vehicle structure, an oscillating force transmitted from a bogie to an underframe via a yaw damper and a yaw damper support portion, and that has sufficient strength. The underframe includes a floor portion, a side beam, and a bolster beam. A side structure is erected on an end portion in a vehicle width direction of the underframe. The bogie supports the underframe from below the underframe. A yaw damper receiving portion is provided to the end portion in the vehicle width direction of the underframe. The yaw damper support portion is fixed to the yaw damper receiving portion. The yaw damper includes one end portion connected to the bogie and the other end portion connected to the yaw damper support portion. The yaw damper is configured to reduce yawing oscillation of the bogie. The yaw damper receiving portion is provided to extend along the side structure, the side beam, and the bolster beam.Type: ApplicationFiled: May 16, 2022Publication date: January 9, 2025Applicant: Hitachi, Ltd.Inventors: Satoru KAGATA, Kimiyasu YOSHIMURA, Yosuke MORITA
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Patent number: 12191661Abstract: Disclosed is a system for supporting creation of a system plan to change a configuration of a power system including a power transmission system and a power distribution system. The system stores information on a configuration of the power transmission system and information on a configuration and a load of the power distribution system. The system determines, based on the information on the configuration and the load of the power distribution system, a load accommodation capacity between power distribution substations which indicates a power supply capacity allowed to be compensated for between the power distribution substations through a configuration change of the power distribution system. The system creates a system plan proposal including a change in system configuration of the power transmission system and the power distribution system based on the load accommodation capacity. The system outputs information on the system plan proposal to an output device.Type: GrantFiled: October 14, 2021Date of Patent: January 7, 2025Assignee: HITACHI, LTD.Inventors: Tsubasa Ichikawa, Shinya Suenaga, Yasuyuki Tada, Yasushi Miyata, Yoshiki Kurokawa
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Patent number: 12191663Abstract: This power supply and demand planning device includes: an output range calculation unit that calculates the output range of a power generator that satisfies a plurality of restriction conditions; a power generation output range output calculation unit that calculates the power generator output in a single cross section on the basis of the calculated output range calculated; and a past specified cross section output correction unit that calculates a target output in the single cross section when a restriction condition violation occurs in the power generator output in the calculated single cross section calculated, and in order to eliminate a restriction condition violation, corrects the output range and the power generator output in the single cross section and a past cross section further in the past than the single cross section so that the power generator output in the single cross section becomes the target output.Type: GrantFiled: September 2, 2020Date of Patent: January 7, 2025Assignee: HITACHI, LTD.Inventors: Yoshihito Kinoshita, Kota Imai, Tatsuya Maeda
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Patent number: 12182736Abstract: An OD matrix estimation device includes: an extraction unit that, on the basis of intra-bank OD matrixes that show traffic flow information in respective elevator banks in plural elevator banks and transfer floor information about a transfer floor where transfers among the elevator banks is possible, extracts transfer-related intra-bank OD matrixes having a common transfer floor from among the intra-bank OD matrixes; a matching unit that, from among the transfer-related intra-bank OD matrixes extracted by the extraction unit, combines first transfer intra-bank OD matrixes each including OD data in which the transfer floor is defined as an arrival floor with second transfer intra-bank OD matrixes each including OD data in which the transfer floor is defined as a departure floor to create transfer-related OD data; and an estimation unit that estimates OD data for users who transfer and move among the banks.Type: GrantFiled: October 10, 2018Date of Patent: December 31, 2024Assignee: HITACHI, LTD.Inventors: Wataru Toriumi, Masayasu Fujiwara, Manabu Katou, Rui Ning, Takamichi Hoshino, Takahiro Hatori, Satoru Toriyabe
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Patent number: 12181865Abstract: The objective of the present invention is to realize an operating state classification system having a classification accuracy that continuously improves through additional learning, and which is appropriately protected from unauthorized duplication of a classification function.Type: GrantFiled: July 29, 2020Date of Patent: December 31, 2024Assignee: Hitachi, Ltd.Inventor: Kohji Maki
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Patent number: 12181402Abstract: A corrosive environment monitoring device that suppresses a decline in measurement precision in an initial period of monitoring the corrosivity of an environment and measures the corrosivity of the environment continuously and with high precision over a long period of time. The corrosive environment monitoring device includes: a layered body having an insulating plate, a base metal thin film that is formed on the insulating plate and is corrosion resistant with respect to a corrosive substance, and a sensing metal thin film that is formed on the base metal thin film and is corrosion susceptible with respect to the corrosive substance; and a housing that encloses the layered body, has an opening oriented in a side face direction, and forms a gas passage inside for the corrosive substance, wherein the sensing metal thin film is formed in a limited region on the base metal thin film.Type: GrantFiled: February 16, 2021Date of Patent: December 31, 2024Assignee: HITACHI, LTD.Inventor: Rintarou Minamitani
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Publication number: 20240428135Abstract: A machine learning development support system includes: a data storage unit that stores training data; a data attribute extraction unit that refers to definition information whereby a conversion condition for converting the training data into an attribute thereof is defined and extracts data acquisition conditions from the training data; and an experiment record information storage unit that stores experiment record information., The machine learning product including a machine learning program and a trained model is divided into versions and recorded, and an accuracy of an inference obtained by each version is recorded in association with the version, the trained model, and the training data; and a processing specification unit that refers to the experiment record information, and specifies, for each of the data acquisition conditions, a machine learning product in which the accuracy of the inference is improved between old and new versions of the machine learning product.Type: ApplicationFiled: June 19, 2024Publication date: December 26, 2024Applicant: Hitachi, Ltd.Inventors: Tsutomu KUSABA, Soichi TAKASHIGE, Daisuke KOMAKI
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Publication number: 20240427666Abstract: A storage system includes a storage apparatus having a plurality of physical drives and a controller. In a case where a physical failure occurs in a physical drive, the controller additionally installs a drive provided from a cloud, and maintains a redundant array of inexpensive disks (RAID) configuration before the occurrence of the physical failure in the physical drive using the physical drives excluding the physical drive where the physical failure has occurred and the additionally installed drive provided from the cloud.Type: ApplicationFiled: March 11, 2024Publication date: December 26, 2024Applicant: Hitachi, Ltd.Inventor: Tetsuya NAKAMURA
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Patent number: 12175728Abstract: A label is attached to data corresponding to an activity included in time series data. A labeling system includes a processor and a machine learning model from which, in response to an input of time series data, a high-level label indicating a high-level activity included in the time series data and low-level labels indicating a plurality of low-level activities included in the high-level activity are outputted. The processor is configured to output a high-level label and a low-level label by using the machine learning model and cause the high-level label and the low-level label to be displayed, accept an input regarding a high-level label included in the time series data, train the machine learning model assuming that a high-level activity corresponding to the accepted high-level label is included in the time series data, and output a high-level label and a low-level label by using the trained machine learning model.Type: GrantFiled: August 1, 2022Date of Patent: December 24, 2024Assignee: HITACHI, LTD.Inventors: Joseph Korpela, Takayuki Akiyama
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Patent number: 12174838Abstract: A computer system is connected to a database, is capable of accessing a data catalog that manages an item for searching for data stored in the database, and holds data requirement management information for managing requirement data associated with a phase of a life cycle of an application and a data requirement. The computer system searches for data matching a search condition with reference to the data catalog when a search request including the search condition is received; specifies the requirement data corresponding to the phase with reference to the data requirement management information when an output request including information of data selected by the user and the phase is received; and outputs use data to be used in the phase based on the selected data and the specified requirement data.Type: GrantFiled: September 14, 2023Date of Patent: December 24, 2024Assignee: Hitachi, Ltd.Inventors: Keiko Tanigawa, Yohsuke Ishii
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Patent number: 12172685Abstract: A train speed control system 100 includes a first non-contact sensor 110 that outputs measured first speed information, a first safety device 120 that receives the first speed information from the first non-contact sensor 110, a second non-contact sensor 140 that outputs measured second speed information, and a second safety device 150 that receives the second speed information from the second non-contact sensor 140 and transmits the received second speed information to the first safety device 120 at a predetermined timing. Then, when first second speed information is received from the second safety device 150, the first safety device 120 evaluates soundness of the first speed information based on a speed difference between the first second speed information and first first speed information measured by the first non-contact sensor 110 at substantially the same timing as the first second speed information, and determines control speed of a train 1 based on a result of the evaluation.Type: GrantFiled: March 31, 2021Date of Patent: December 24, 2024Assignee: Hitachi, Ltd.Inventors: Tomohiro Akiyama, Ryota Kameyama