Patents Assigned to Hitachi, Ltd.
  • Publication number: 20240052507
    Abstract: Realized is a formation of a nanopore having a desired size with high yields using the dielectric breakdown phenomenon. The present disclosure proposes, as an aspect, a pore forming method including disposing a membrane between a first electrolyte solution and a second electrolyte solution held in a chamber configuration, bringing a first electrode into contact with the first electrolyte solution and a second electrode into contact with the second electrolyte solution, outputting a first voltage from a voltage source to a circuit configured by disposing the voltage source and a resistor in a wiring connecting the first electrode and the second electrode, measuring a second voltage between the first electrode and the second electrode, detecting a significant change in the second voltage, and stopping output of the first voltage in response to detecting the significant change in the second voltage.
    Type: Application
    Filed: November 30, 2021
    Publication date: February 15, 2024
    Applicant: HITACHI, LTD.
    Inventors: Itaru Yanagi, Yoshimitsu Yanagawa
  • Publication number: 20240053205
    Abstract: The invention provides a management system of coal and/or steelmaking dust being managed outdoors. The management system includes an imaging unit, a threshold information acquiring unit, and a determining unit. The imaging unit is configured to perform imaging of heat distribution image information indicating a heat distribution image of a surface layer of a pile of the coal and/or steelmaking dust from a position where imaging of an entire surface layer of the pile can be performed. The threshold information acquiring unit is configured to acquire threshold information indicating a threshold of a temperature of the surface layer of the pile. The determining unit is configured to determine heat generation of the pile based on the heat distribution image information and the threshold information.
    Type: Application
    Filed: July 16, 2021
    Publication date: February 15, 2024
    Applicants: KURITA WATER INDUSTRIES LTD., Hitachi, Ltd.
    Inventors: Takashi KIKKAWA, Naoki IKEGAWA, Takuji KURINO, Koh TAKANOSE, Daisuke TAKA, Emi KAIYA
  • Patent number: 11899799
    Abstract: A system performs an application update process based on security management information that is information including meta information for each of a plurality of security services. The application update process is a process for adding one or more security services including a security service that reduces the security risk of an application having a plurality of distributed microservices having a graph structure relationship to the application.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: February 13, 2024
    Assignee: HITACHI, LTD.
    Inventors: Jens Doenhoff, Nodoka Mimura, Yoshiaki Isobe
  • Patent number: 11896205
    Abstract: A digestive organ internal contents sampling capsule for sampling internal contents in a digestive organ includes: a cylindrical container insoluble in a digestive tract for housing the internal contents in the digestive organ; an outer lid enclosing an orifice of the cylindrical container and to dissolve at least partially in the digestive organ; an inner lid arranged in the cylindrical container, and to swell in response to contact with the internal contents in the digestive organ to enclose the orifice of the cylindrical container after the orifice is exposed by dissolving of at least a part of the outer lid; and a marker material to be discharged together with the cylindrical container housing the internal contents in the digestive organ and feces.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: February 13, 2024
    Assignee: Hitachi, Ltd.
    Inventors: Ayako Nishimura, Akihiko Kandori, Tsukasa Funane, Akiko Obata, Hirokazu Atsumori, Masashi Kiguchi
  • Patent number: 11900669
    Abstract: A calibration device performs a calibration between a plurality of imaging devices, each of which outputs field-of-view information which is information on a field-of-view of the imaging device itself. The field-of-view information contains a bitmap image and a range image. The calibration device includes: a state estimation part configured to detect, in a field of view of a first imaging device, an image of a second imaging device, and estimate a relative position and a relative attitude of the second imaging device with respect to the first imaging device, based on the detected image; and a transformation information calculation part configured to calculate transformation information between a coordinate system of the first imaging device and a coordinate system of the second imaging device, based on the estimated relative position and relative attitude.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: February 13, 2024
    Assignee: HITACHI, LTD.
    Inventors: Keiichi Mitani, Kazuyuki Tajima, Kazuyoshi Yamazaki
  • Patent number: 11900777
    Abstract: A work detection determination system performs detection determination on a work with high accuracy.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: February 13, 2024
    Assignee: Hitachi, Ltd.
    Inventors: Tetsuya Ishimaru, Hiroyuki Yoshimoto, Yoshihiro Wakisaka, Nobuyuki Sugii
  • Patent number: 11899787
    Abstract: To provide a robust information processing system against attacks by Adversarial Example. A neural network model 608, a latent space database 609 for storing position information in a latent space in which first output vectors, which are output vectors of a predetermined hidden layer included in the neural network model, are embedded concerning input data used for learning of the neural network model, and an inference control unit 606 for making an inference using the neural network model and the latent space database are provided. The inference control unit infers the input data based on the positional relationship between the second output vector, which is an output vector of the predetermined hidden layer concerning input data to be inferred, and the first output vectors in said latent space.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: February 13, 2024
    Assignee: HITACHI, LTD.
    Inventor: Tadayuki Matsumura
  • Patent number: 11900701
    Abstract: A left object detection device for detecting an object left behind in a monitoring target area includes an acquisition section which acquires an image of the area from an image pickup device for picking up an image of the monitoring target area, a processing section, and an output section which outputs in accordance with a result of the processing section. Upon detection of the object which has been kept static for a given time period as an article from the image acquired by the acquisition section, the processing section starts a timer for counting time from detection of the article, determines whether or not a person who owned the article matches a person in the image acquired by the acquisition section, stops the timer upon determination that they match, and does not stop the timer upon determination that they do not match. The processing section determines whether or not the timer counts in excess of a predetermined time period.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: February 13, 2024
    Assignee: Hitachi, Ltd.
    Inventors: Hiroshi Okatani, Hiroaki Koiwa, Noriharu Amiya
  • Publication number: 20240042665
    Abstract: An injection molding condition generation system improves the quality of injection molding. The injection molding condition generation system acquires a material property value of a resin material and an injection molding condition using the first resin material based on a target value of a quality parameter related to a quality of a molded article, the first material property value, and a predetermined relational expression. The predetermined relational expression indicates a relation among the material property value of the resin material, a plurality of injection molding conditions input to an injection molding machine, and a quality parameter related to the quality of the molded article molded by the injection molding machine based on the material property value and the injection molding conditions, and is generated based on data accumulated in the memory in association with the material property value of the resin material, the injection molding conditions, and the quality parameter.
    Type: Application
    Filed: December 2, 2021
    Publication date: February 8, 2024
    Applicant: Hitachi, Ltd.
    Inventors: Daisuke YAGI, Ryotaro SHIMADA, Kan KOBAYASHI
  • Publication number: 20240045439
    Abstract: A technique of executing a task related to a target object robustly against a change in a visual feature is provided. A task execution system includes: a database management unit configured to record in advance a contextual relationship database indicating a spatial contextual relationship of a plurality of objects including a target object; an imaging unit configured to acquire image data that is data obtained by adding, to an image, position information indicating a position at which the image is captured; an object detection unit configured to detect objects from the image; a segmentation unit configured to extract the objects from the image; a contextual relationship extraction unit configured to extract a spatial contextual relationship of the objects extracted from the image; and a task execution unit configured to execute a task related to the target object.
    Type: Application
    Filed: June 15, 2023
    Publication date: February 8, 2024
    Applicant: HITACHI, LTD.
    Inventor: Sanjay Kumar Dwivedi
  • Patent number: 11892828
    Abstract: Personal dependency related to fault tree construction is reduced, and the reliability of an operating machine is improved by improving the accuracy of a fault diagnosis.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: February 6, 2024
    Assignee: Hitachi, Ltd.
    Inventors: Yohei Tanno, Yuuki Shimizu
  • Patent number: 11893528
    Abstract: A logistics operation optimization apparatus computes, for each operation process, a deviation degree between turns of articles of overall optimum proposals indicated by an overall optimum proposal list and turns of the articles in each operation process, estimation operation time, and an error of the estimation operation time from the overall optimum proposal, and the number of combinations of turns that are defaulted from an overall optimum plan indicated by an overall optimum plan list in the past, evaluates the overall optimum proposal according to an evaluation expression of a weighted linear sum including the deviation degree, the estimation operation time, and the error of the estimation operation time from the overall optimum proposal, and the number of combinations of the turns that are defaulted, and creates an overall optimum plan list of the best overall optimum plan, from the overall optimum proposals indicated by the overall optimum proposal list.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: February 6, 2024
    Assignee: HITACHI, LTD.
    Inventors: Kaori Nakagawa, Yuichi Kobayashi, Yui Kazawa, Tatsuhiro Sato
  • Patent number: 11892826
    Abstract: There are provided a device that collects operation data from equipment, and an information processing apparatus that detects an anomaly or an omen of an anomaly of the equipment on the basis of anomaly detection models constructed from the operation data, the information processing apparatus including means for collecting the operation data, means for learning anomaly detection models from the operation data, and means for calculating an anomaly score of respective operation data from the operation data and the anomaly detection models, the means for learning an anomaly detection model in which a dispersion of elements is small among the anomaly detection models.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: February 6, 2024
    Assignee: Hitachi, Ltd.
    Inventors: Yoshiyuki Tajima, Kazuya Monden
  • Publication number: 20240037937
    Abstract: A sensing plan and a trimming plan in vegetation management are efficiently formulated. A vegetation management system includes: a data acquisition unit configured to acquire at least a satellite image of a power transmission line arrangement region; a site work situation collection unit configured to collect a situation of a trimming work executed at a site of the power transmission line arrangement region; and a planning unit configured to divide the power transmission line arrangement region into a plurality of partial regions, manage a status relating to the trimming work and the acquisition of the satellite image in association with each of the partial regions, and formulate a trimming work plan and a satellite image sensing plan based on the status. The status includes a non-shooting status, a shooting status, a clear waiting status, and a cleared status.
    Type: Application
    Filed: June 15, 2023
    Publication date: February 1, 2024
    Applicant: Hitachi, Ltd.
    Inventor: Tomonori YAMAMOTO
  • Patent number: 11886459
    Abstract: A data management system includes a processor. An estimated ETL level mapping processing unit is operated on the processor to estimate existence of unregistered ETL that is ETL not registered in a repository, to calculate a degree of similarity based on matching between an existing data model and retained data, and to extract a column to be a candidate based on the degree of similarity. The existence of the unregistered ETL is estimated by estimating the presence or absence of connectedness in the ETLs on the basis of correspondence between input data and output data in ETLs by using an execution ETL log relevant to an execution history of the ETL.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: January 30, 2024
    Assignee: Hitachi, Ltd.
    Inventors: Keiko Tanigawa, Toshihiko Kashiyama, Jumpei Okoshi
  • Patent number: 11886169
    Abstract: A control apparatus of the present invention is a control apparatus included in a distributed control system. The control apparatus includes a time synchronization unit configured to synchronize the control apparatus with another control apparatus included in the distributed control system in terms of time, a communication unit configured to receive information from the other control apparatus, an information holding unit configured to add synchronization time information to the information and hold the resulting information, an area setting unit configured to set an area of the information holding unit according to a time difference of the information, an information selection unit configured to select shared data from the information stored in the information holding unit, and a shared data storage unit configured to store the shared data selected by the information selection unit.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: January 30, 2024
    Assignee: Hitachi, Ltd.
    Inventors: Manabu Sasamoto, Hidenori Omiya, Yusaku Otsuka, Teruaki Sakata
  • Patent number: 11886300
    Abstract: The data duplication system comprises a first storage device having a first data protection area for storing backup images of multiple generations of a first volume for data read/write by an external device. The first data protection area is inaccessible to the external device. A second storage device coupled to the first storage device. The first storage device creates a second volume for storing a backup image of a particular generation of the plurality of generations of backup images stored in the first data protection area. The second storage device creates a third volume for storing the copy data, and a virtual volume that is mapped to the second volume of the first storage device. The second storage stores the backup data of a specific generation stored in the second volume in the third volume via the virtual volume by forming a pair that copies the data in the virtual volume and the third volume.
    Type: Grant
    Filed: August 11, 2022
    Date of Patent: January 30, 2024
    Assignee: HITACHI, LTD.
    Inventors: Shunsuke Nishiyama, Kenichi Oyamada, Hiroki Mera, Goro Kazama
  • Patent number: 11888195
    Abstract: An object of the present invention is to provide a fuel cell power generation system that can attain a higher fuel utilization rate and can also attain higher power generation efficiency simultaneously. The fuel cell power generation system includes an oxide-ion-conducting first fuel cell 11 that performs reformation of a fuel containing hydrocarbon and power generation and a proton-conducting second fuel cell 12 that performs power generation by being supplied with hydrogen from the first fuel cell 11. The fuel utilization rate of the first fuel cell 11 can be set to 30% or lower, for example, and the fuel utilization rate of the second fuel cell 12 can be set to 70% or higher, for example. By adopting such a multi-stage configuration, it is possible to increase the power generation efficiency as a whole and to also attain a high fuel utilization rate simultaneously.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: January 30, 2024
    Assignee: HITACHI, LTD.
    Inventors: Yuzo Shirakawa, Takao Ishikawa
  • Patent number: 11884973
    Abstract: The present invention is directed to provide new PCR measuring method and device. As one embodiment of the present invention, a DNA detection method for detecting DNA in a droplet being present in oil, the droplet containing the DNA and a fluorescent labeled probe, the fluorescent labeled probe being hybridized to the DNA, the method including: a first step of amplifying the DNA in the droplet by a nucleic acid amplification reaction; and a second step of measuring a melting temperature of the fluorescent labeled probe and the DNA in the droplet is provided.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: January 30, 2024
    Assignee: Hitachi, Ltd.
    Inventors: Junko Tanaka, Takahide Yokoi, Masao Kamahori, Yoshinobu Kohara
  • Patent number: 11883683
    Abstract: A particle therapy system includes an accelerator 1 which generates a particle beam for extraction, an irradiation apparatus 21 which irradiates the particle beam to an irradiation target 26, a gantry 18 which rotates together with the irradiation apparatus 21, and an MRI apparatus 50 which rotates together with the gantry 18. The MRI apparatus 50 includes a magnetic circuit composed of an iron core 60 and a plurality of coils 61 serving as a magnetic flux source. The iron core 60 includes two oppositely disposed magnetic poles 63A and 63B, and a return yoke 64 for connecting the magnetic poles 63A and 63B. The magnetic poles 63A, 63B have cavities 65A, 65B. The particle beam passing through the cavity 65A is irradiated to the irradiation target 26.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: January 30, 2024
    Assignees: HITACHI, LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Yusuke Fujii, Ryuya Ando, Manabu Aoki, Kikuo Umegaki, Shinichi Shimizu, Taeko Matsuura, Hiroki Shirato