Patents Assigned to Hitachi, Ltd.
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Patent number: 12742143Abstract: A cell sheet cutting assistance system comprises a processor for executing a program and a storage device for storing the program. The processor: receives, as input, an evaluation standard of a cell sheet and quality information of a cultured cell sheet; determines whether the quality information satisfies the evaluation standard; and outputs a cutting position of the cell sheet based on a result of the determination.Type: GrantFiled: February 10, 2023Date of Patent: September 22, 2026Assignee: Hitachi, Ltd.Inventors: Takayuki Nozaki, Yuki Niimi, Masaharu Kiyama, Kakuro Hirai
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Patent number: 12743605Abstract: According to one embodiment, provided is an information processing system including a parent device and a plurality of child devices. The child device constitutes at least a portion of at least one device selected from a function approximator and an annealing machine, each of the parent devices and the plurality of child devices include a communication interface, and the communication interface is at least one selected from a wireless communication interface and a wired communication interface including an analog circuit. Data to be processed by the child device is transmitted from the parent device to at least one of the plurality of child devices, and an output of at least one node of the child device is transmitted to at least one of the parent device and the other child devices.Type: GrantFiled: June 1, 2021Date of Patent: September 22, 2026Assignee: Hitachi, Ltd.Inventors: Takashi Oshima, Norikatsu Takaura, Masanao Yamaoka, Yoshitaka Sasago
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Patent number: 12742699Abstract: Provided is a technique capable of detecting a fluid leakage with a reduced influence of an environmental vibration. A data processing device that determines whether a fluid leaks from a pipeline network of the fluid based on a waveform of a vibration intensity measured from the pipeline network, the data processing device including: a memory configured to store a software program; and a processor configured to execute the software program.Type: GrantFiled: November 13, 2023Date of Patent: September 22, 2026Assignee: Hitachi, Ltd.Inventor: Akihiro Koyama
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Patent number: 12743271Abstract: A system obtains information on parts embedded in a final product across a range of companies, comprising: a product life cycle management system, used by a manufacturing company manufacturing a final product by embedding parts operated by software, for managing information on the final product and the parts and the range of disclosure of data relating to software contracted between the manufacturing company and a company that provides the parts to the manufacturing company; and a product life cycle management system used by the providing company for managing the range of disclosure and software-related data that is data relating to the software. One product life cycle management system requests a second system to disclose the software-related data within the range of disclosure, and the second system transmits the software-related data to the product life cycle management system if the requested software-related data falls within the range of disclosure.Type: GrantFiled: June 9, 2022Date of Patent: September 22, 2026Assignee: Hitachi, Ltd.Inventors: Takehiko Nagano, Hidetoshi Teraoka
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Patent number: 12736014Abstract: A hydrogen mixed-combustion electronic control device that controls the mixed ratio of hydrogen mixedly combusted in a combustion room of a hydrogen mixed-combustion engine having a first fuel supply device that supplies first fuel to the engine and a second fuel supply device that supplies fuel partially containing hydrogen to the engine as second fuel comprises: a crank angle sensor that detects a rotation time of a crank shaft of the engine; and a computation unit that computes an extreme value of the rotation time of the crank shaft and an extreme value timing on the basis of a detection result of the crank angle sensor. The electronic control device determines a combustion state of the engine on the basis of the extreme value and the extreme value timing.Type: GrantFiled: September 26, 2022Date of Patent: September 15, 2026Assignee: HITACHI, LTD.Inventors: Atsushi Shimada, Yoshihiro Sukegawa, Kengo Kumano
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Patent number: 12738010Abstract: Provided is an object recognition device for detecting an object in an image, with which it is possible to detect, with high accuracy, a target object even in an image that has a background and other objects shown therein. This object recognition device is characterized by comprising: an image acquisition unit which acquires a first image composed of two-dimensional pixels; a three-dimensional shape approximation determination unit which determines whether image information of a prescribed rectangular region within the first image can be approximated by prescribed three-dimensional shape information; an image region estimation unit which clips out the rectangular region as a first estimation region on the basis of a determination result provided by the three-dimensional shape approximation determination unit; and a region selection unit which selects, from among a plurality of the first estimation regions, a first estimation region that has the smallest area.Type: GrantFiled: September 14, 2022Date of Patent: September 15, 2026Assignee: Hitachi, Ltd.Inventor: Ryo Sakai
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Patent number: 12737812Abstract: A first blockchain system directed to representation of fractional ownership of asset baskets via NFT, each of the asset baskets including a disposal well to generate electricity, and a second blockchain system directed to operations of the asset baskets, the second blockchain system representing the operations of the asset baskets as operation value tokens. For a smart contract executed for an operation for one of the asset baskets, systems and methods include instructing the one of the asset basket to execute the operation according to the smart contracts; intaking sensor data from the asset basket to verify execution of the operation; and for verification of the execution of the operation, generating an operation value token realized as fungible token for one of the asset basket in the second blockchain system; and updating a valuation of the fractional ownership of the one of the asset baskets on the first blockchain system.Type: GrantFiled: January 15, 2025Date of Patent: September 15, 2026Assignee: HITACHI, LTD.Inventors: Prasun Kumar Singh, Ravigopal Vennelakanti, Malarvizhi Sankaranarayanasamy
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Patent number: 12738163Abstract: A traffic control system includes a mobile body, an infrastructure sensor that monitors the mobile body and a pedestrian within a field, and a safety monitoring device that communicates wirelessly with the mobile body. The safety monitoring device includes a rule violation detection unit that detects, based on output from the infrastructure sensor, a rule violation by the mobile body or the pedestrian, and a safe action instruction unit that instructs the mobile body to execute a safe action or safe action preparation corresponding to the rule violation when the rule violation is detected. The mobile body includes a speed control unit that outputs a control command for decelerating the mobile body if the wireless communication speed thereof with the safety monitoring device is greater than or equal to a prescribed threshold to ensure safety even when a safety rule violation has occurred.Type: GrantFiled: April 20, 2021Date of Patent: September 15, 2026Assignee: Hitachi, Ltd.Inventors: Tasuku Ishigooka, Satoshi Otsuka
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Publication number: 20260268261Abstract: Provided is a technology capable of analyzing business KPIs that make it possible to obtain a plurality of solutions which are harmonized as a whole while taking feasibility into consideration. A KPI evaluation system is a system for evaluating a KPI(s) (Key Performance Indicator(s)) related to business of a stakeholder, wherein a computer including at least a processor, a memory, and a storage device defines relationships between challenges of respective stakeholders regarding two or more stakeholders including the above-mentioned stakeholder; and associates KPI settings of stakeholders, excluding the above-mentioned stakeholder, with the challenges of the respective stakeholders based on the defined relationships between the challenges.Type: ApplicationFiled: June 6, 2024Publication date: September 10, 2026Applicant: HITACHI, LTD.Inventors: Hiromitsu Nakagawa, Shigenori Matsumoto
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Publication number: 20260267777Abstract: A test execution device for executing a plurality of tests on an application, the device including a memory and a processor, wherein the memory is configured to store management information that enables, for each of the tests, specifying a resource configuration of a testing environment where each of the tests can be executed, and the processor is configured to specify, based on the management information, a resource configuration of a testing environment used for execution of each of the tests, aggregate the tests for the respective resource configurations, construct a testing environment for each of the resource configurations, and sequentially execute, in the testing environments, the tests aggregated for the resource configurations of the testing environments.Type: ApplicationFiled: August 20, 2025Publication date: September 10, 2026Applicant: Hitachi, Ltd.Inventor: Jun KITAWAKI
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Patent number: 12731062Abstract: A quantum bit array comprises a semiconductor layer, an insulating layer arranged on the semiconductor layer, and a plurality of first gate electrodes which are arranged on the insulating layer. The plurality of first gate electrodes are each configured to trap an electron having a predetermined spin state in the semiconductor layer through application of a voltage. The quantum bit array comprises means for causing, in a case where the spin state of the electron is to be changed, a current for forming a magnetic field that acts on the electron to flow through at least one of the plurality of first gate electrodes in an extending direction of the at least one of the plurality of first gate electrodes.Type: GrantFiled: October 22, 2021Date of Patent: September 8, 2026Assignee: HITACHI, LTD.Inventors: Go Shinkai, Digh Hisamoto, Noriyuki Lee
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Patent number: 12730892Abstract: A branch related to an evasion function of malware in a control flow graph is specified using a signature to detect the evasion function.Type: GrantFiled: September 9, 2024Date of Patent: September 8, 2026Assignee: HITACHI, LTD.Inventors: Ryoji Shimizu, Shota Fujii, Takayuki Satou
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Patent number: 12731246Abstract: In anomaly determination using an autoencoder, the present invention enables highly accurate anomaly determination with respect to an unknown anomaly image, even in the case of learning using only a non-defective image. In a learning step of learning a parameter of the autoencoder using a non-defective learning image /{f_i/} captured of a non-defective test target, an anomaly determination accuracy rate Rc of the non-defective learning image /{f_i/} is used as an evaluation value, and a dimension compression rate Rd of a code layer of the autoencoder is maximized or an input signal amount to the code layer or an output signal amount from the code layer is decreased, such that the anomaly determination accuracy rate Rc is maximized or becomes at least a predetermined threshold th.Type: GrantFiled: June 2, 2022Date of Patent: September 8, 2026Assignee: Hitachi, Ltd.Inventors: Atsushi Miyamoto, Hiromi Nishiura, Naoaki Kondo, Akira Ito
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Publication number: 20260261406Abstract: A first secure server: encrypts a data encryption key with a unique key unique to the first secure server; stores the encrypted unique key therein; generates a first ciphertext obtained by encrypting the data encryption key with a first shared key; transmits the first ciphertext to the second secure server; generate a second ciphertext obtained by encrypting an escrow target data with the data encryption key; stores the second ciphertext in the first secure server therein; and outputs duplicated data of the second ciphertext, and a second secure server: decrypts the first ciphertext received from the first secure server with the first shared key to extract the data encryption key; generates a third ciphertext obtained by encrypting the extracted data encryption key with a private key; stores the third ciphertext therein; and delete the private key therefrom.Type: ApplicationFiled: February 13, 2026Publication date: September 3, 2026Applicant: Hitachi, Ltd.Inventors: Hisayoshi Sato, Kyohei Yamamoto
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Patent number: 12722220Abstract: A welding system includes: a setting apparatus configured to move a material to be welded to a desired welding position according to a disturbance condition of the material to be welded 1; a welding robot configured to weld, according to a working condition, the material to be welded moved by the setting apparatus; an inspection apparatus configured to inspect a welding quality of the material to be welded that is welded at a current time; a storage apparatus configured to store the working condition for the current time, the disturbance condition for the current time, and the welding quality of the current time in association with one another; and a determination unit configured to change, when the welding quality of the current time stored in the storage apparatus satisfies a predetermined required quality, the corresponding disturbance condition for the current time and set the changed disturbance condition as a disturbance condition for a next time.Type: GrantFiled: October 27, 2021Date of Patent: September 1, 2026Assignee: Hitachi, Ltd.Inventors: Naoki Morihira, Kazutoshi Sugie, Makoto Ogata, Seunghwan Park
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Patent number: 12724899Abstract: A vulnerability analysis method including: acquisition processing of acquiring a component parts identifier, which is an identifier of component parts as parts configuring a product for each identifier of the product from each of a plurality of business operators, and business operator inherent data including an identifier of proprietary software but not included in the component parts from each of a plurality of business operators; correspondence identification processing of identifying a correspondence of an identifier of the product and the component parts identifier between different business operators based on previously created correspondence data; target product identification processing of identifying a target product as a product to be investigated; and vulnerability identification processing of identifying all of the proprietary software included in the target product based on the correspondence identification processing, and identifying vulnerability of software included in the target product by reType: GrantFiled: September 7, 2023Date of Patent: September 1, 2026Assignee: HITACHI, LTD.Inventors: Nodoka Mimura, Toshiyuki Saito, Jens Doenhoff, Hiroyuki Higaki
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Patent number: 12724949Abstract: A work support device according to the invention detects circuit symbols and conducting wires from circuit drawing data that does not have information unique to a circuit part, and by matching the detection result with a result of tracing a conduction path by handwriting by a worker, the circuit part and the conducting wire through which the conduction path passes are specified.Type: GrantFiled: January 19, 2023Date of Patent: September 1, 2026Assignee: Hitachi, Ltd.Inventors: Shingo Hayashi, Shoji Yamamoto, Takaaki Ueno, Masahiko Niioka
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Patent number: 12724890Abstract: The present invention provides a malware analysis apparatus, a malware analysis method, and a malware analysis system that, in a case where dynamic analysis and static analysis are combined to analyze malware, make it possible to analyze malware more easily compared with a case where the analysis is performed without using the configuration adopted by the present invention. The malware analysis apparatus includes an analysis section, a conversion section, and a generation section. The analysis section performs dynamic analysis and static analysis of analysis target malware. The conversion section converts results of the dynamic analysis and the static analysis into natural language, and generates explanations of the analysis results. The generation section generates information regarding a behavior of analysis target malware, the information being obtained by comparing the explanations generated respectively from the dynamic analysis and the static analysis.Type: GrantFiled: July 5, 2024Date of Patent: September 1, 2026Assignee: HITACHI, LTD.Inventors: Shota Fujii, Rei Yamagishi, Katsuya Nishijima, Tomohiro Shigemoto
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Patent number: 12724785Abstract: A token verification unit performs token verification to verify whether metadata generated by inputting a document into a large language model is appropriate or not using the metadata and a token obtained from nodes on a trace path of a dependency analysis tree based on the input document, a token match score calculation unit obtains a token match score on the basis of a result of the token verification, a grouping unit which groups the metadata in accordance with user's interest terms data which reflects a user's interests using the metadata as it is if the token match score satisfies a predetermined condition, a confidence score calculation unit which calculates a confidence score for the grouped metadata, and a rank calculation unit which ranks the metadata in accordance with the confidence score.Type: GrantFiled: February 20, 2025Date of Patent: September 1, 2026Assignee: Hitachi, Ltd.Inventors: Divya Singh, Atsumi Terayama, Ken Sugimoto, Mika Takata
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Patent number: 12724386Abstract: This control device 10 comprises a model construction unit 11 that constructs a model for simulating a control object 20, a problem subdivision unit 12 that subdivides the model constructed by the model construction unit 11, a control measure calculation unit 13 that predicts the future status of the control object 20 using the model subdivided by the problem subdivision unit 12 and that calculates a control measure for the control object 20 on the basis of the predicted future status, and an operation command generation unit 14 that generates operation commands to the control object 20 on the basis of the control measure calculated by the control measure calculation unit 13.Type: GrantFiled: August 30, 2021Date of Patent: September 1, 2026Assignee: HITACHI, LTD.Inventors: Takaaki Sekiai, Yuya Tokuda, Takuya Yoshida