Patents by Inventor Nobukazu Kondo
Nobukazu Kondo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11681820Abstract: The computer system is connected to a DB that stores data acquired from a production system in which a plurality of machines operate, and includes a generation unit and a data search unit. The DB stores operation data and environment data. The generation unit generates, by analyzing schedule information including a production schedule of the plurality of products, first owner information for storing first access control data including an owner, the machines, and a first access period set based on operation time, and generates, based on the first owner information, second owner information for storing second access control data including the owner, a type of the environment data, and a second access period set based on the first access period. The data search unit controls accesses to the DB based on the first owner information and the second owner information.Type: GrantFiled: September 15, 2020Date of Patent: June 20, 2023Assignee: HITACHI, LTD.Inventors: Nobukazu Kondo, Keiko Tanigawa, Kentaro Kakui
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Patent number: 11520954Abstract: Reusable information is extracted from a result of executing a simulation of a plurality of models. A simulation management method for managing data for use in a simulation by a management device having a processor and a memory, the method including: executing a simulation using a model and data, by a simulator; extracting intermediate data indicating that an internal state of the model that is being simulated matches a predetermined state, by the management device; and holding the extracted intermediate data as useful intermediate data, by the management device.Type: GrantFiled: March 12, 2020Date of Patent: December 6, 2022Assignee: Hitachi, Ltd.Inventors: Nobukazu Kondo, Tsunehiko Baba, Jumpei Okoshi
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Patent number: 11494371Abstract: A computer system manages a data lake storing collected data, which is obtained from a data source, a data catalog storing first catalog data, and an asset catalog storing second catalog data. The computer system comprises: a catalog generation module configured to generate the data catalog, and the asset catalog; and a catalog link generation module configured to associate, in a case where at least one of the data catalog or the asset catalog is generated by the catalog generation module, the asset catalog and the data catalog with each other by adding, as an access key, a value that is stored in the first catalog data stored in the data catalog to the second catalog data stored in the asset catalog.Type: GrantFiled: September 4, 2020Date of Patent: November 8, 2022Assignee: Hitachi, Ltd.Inventors: Nobukazu Kondo, Jumpei Okoshi, Kentaro Kakui, Tsunehiko Baba
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Patent number: 11106650Abstract: An analysis management server stores a factory A catalog group including a plurality of catalogs in factory A, an application destination catalog including a plurality of catalogs in factory B, and an application source analysis data correspondence table associating columns between a target table of factory A and a defect factor analysis table. A CPU is configured to: identify an unconnected catalog for which a catalog of factory B having an identical correspondence does not exist among the plurality of catalogs of factory A included in the application source analysis data correspondence table; identify an unconnected correspondence, which is a correspondence of the unconnected catalog in the application source analysis data correspondence table, sensor data of factory B, and an identical path correspondence which is a correspondence of a catalog on a path including the unconnected catalog; and display information of the unconnected correspondence and the identical path correspondence.Type: GrantFiled: March 3, 2020Date of Patent: August 31, 2021Assignee: HITACHI, LTD.Inventors: Tsunehiko Baba, Kazuhide Aikoh, Toshihiko Kashiyama, Jumpei Okoshi, Nobukazu Kondo, Kentaro Kakui
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Publication number: 20210232697Abstract: The computer system is connected to a DB that stores data acquired from a production system in which a plurality of machines operate, and includes a generation unit and a data search unit. The DB stores operation data and environment data. The generation unit generates, by analyzing schedule information including a production schedule of the plurality of products, first owner information for storing first access control data including an owner, the machines, and a first access period set based on operation time, and generates, based on the first owner information, second owner information for storing second access control data including the owner, a type of the environment data, and a second access period set based on the first access period. The data search unit controls accesses to the DB based on the first owner information and the second owner information.Type: ApplicationFiled: September 15, 2020Publication date: July 29, 2021Inventors: Nobukazu KONDO, Keiko TANIGAWA, Kentaro KAKUI
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Publication number: 20210124733Abstract: A computer system manages a data lake storing collected data, which is obtained from a data source, a data catalog storing first catalog data, and an asset catalog storing second catalog data. The computer system comprises: a catalog generation module configured to generate the data catalog, and the asset catalog; and a catalog link generation module configured to associate, in a case where at least one of the data catalog or the asset catalog is generated by the catalog generation module, the asset catalog and the data catalog with each other by adding, as an access key, a value that is stored in the first catalog data stored in the data catalog to the second catalog data stored in the asset catalog.Type: ApplicationFiled: September 4, 2020Publication date: April 29, 2021Inventors: Nobukazu KONDO, Jumpei OKOSHI, Kentaro KAKUI, Tsunehiko BABA
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Publication number: 20200311324Abstract: Reusable information is extracted from a result of executing a simulation of a plurality of models. A simulation management method for managing data for use in a simulation by a management device having a processor and a memory, the method including: executing a simulation using a model and data, by a simulator; extracting intermediate data indicating that an internal state of the model that is being simulated matches a predetermined state, by the management device; and holding the extracted intermediate data as useful intermediate data, by the management device.Type: ApplicationFiled: March 12, 2020Publication date: October 1, 2020Applicant: Hitachi, Ltd.Inventors: Nobukazu KONDO, Tsunehiko BABA, Jumpei OKOSHI
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Publication number: 20200293030Abstract: The present invention realizes reuse of an analysis application having different contexts such as data units and data acquisition times of on-site data in short man-hour without requiring specialized knowledge on an analyzed object. A data management system providing IoT data to a service system includes a storage device storing an asset catalog containing information of a manufacture line and devices constructing a manufacture line, an application catalog containing calculation information of a KPI as required by the service system, and a data catalog containing information for accessing the IoT data. A control unit retrieves an asset to be analyzed from the catalog, and when the KPI does not exist in the asset catalog, retrieves the KPI calculation information from the application catalog, and calculates a KPI of the asset to be analyzed as the KPI as the requirement specification of the service system by using the retrieved calculation information.Type: ApplicationFiled: January 31, 2020Publication date: September 17, 2020Applicant: HITACHI, LTD.Inventors: Jumpei Okoshi, Tsunehiko Baba, Toshihiko Kashiyama, Nobukazu Kondo
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Publication number: 20200285625Abstract: An analysis management server stores a factory A catalog group including a plurality of catalogs in factory A, an application destination catalog including a plurality of catalogs in factory B, and an application source analysis data correspondence table associating columns between a target table of factory A and a defect factor analysis table. A CPU is configured to: identify an unconnected catalog for which a catalog of factory B having an identical correspondence does not exist among the plurality of catalogs of factory A included in the application source analysis data correspondence table; identify an unconnected correspondence, which is a correspondence of the unconnected catalog in the application source analysis data correspondence table, sensor data of factory B, and an identical path correspondence which is a correspondence of a catalog on a path including the unconnected catalog; and display information of the unconnected correspondence and the identical path correspondence.Type: ApplicationFiled: March 3, 2020Publication date: September 10, 2020Applicant: HITACHI, LTD.Inventors: Tsunehiko BABA, Kazuhide AIKOH, Toshihiko KASHIYAMA, Jumpei OKOSHI, Nobukazu KONDO, Kentaro KAKUI
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Patent number: 10713171Abstract: A computer system, comprising first computers, an application operate on each of the first computers; the each of the first computers is coupled to a second computer for providing a storage area; the each of the first computers includes a processor, a memory, a cache device to which a cache area, and a interface; the memory includes a program for realizing an operating system; the operating system includes a cache driver; and a cooperation control module configured to issue a control I/O request for instructing arrangement control; and the cooperation control module generate the control I/O request from a detected I/O request based on a analysis result of the detected I/O request in a case where an issuance of the I/O request from the cache driver is detected; and transfer the control I/O request to an apparatus different from an apparatus of a transfer destination of the detected I/O request.Type: GrantFiled: October 3, 2014Date of Patent: July 14, 2020Assignee: HITACHI, LTD.Inventors: Nobukazu Kondo, Ken Sugimoto, Yuusuke Fukumura
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Patent number: 10402333Abstract: A computer system includes a main memory, a lower class memory, and a secondary storage medium and executes an operating system, an in-memory computing program, and a prefetch optimizer program. The in-memory computing program writes processing target data including a plurality of data objects stored in the secondary storage medium into a plurality of continuous areas on a virtual memory space and executes a process while accessing the continuous area. When detecting that the operating system executes a class-in process triggered upon a page fault for a predetermined virtual page, the prefetch optimizer program acquires information of the continuous area from the in-memory computing program and directs the operating system to execute a class-in process for virtual pages included in the predetermined continuous area including the predetermined virtual page.Type: GrantFiled: January 18, 2016Date of Patent: September 3, 2019Assignee: Hitachi, Ltd.Inventors: Katsuto Sato, Nobukazu Kondo, Naruki Kurata
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Publication number: 20190236076Abstract: Provided is a computer generating a virtual database. The computer is connected to a plurality of databases systems managing a database and a cache memory system providing a cache area, holds virtual database management information for managing a plurality of databases constituting the virtual database, cache management information, and latency information for managing a latency when data is acquired from the databases, and selects a cache area from which cache data is to be deleted, based on an evaluation value calculated using the cache management information and the latency information in a case where the cache area for storing the data acquired in a case where a query for referring to the virtual database is received is not sufficient.Type: ApplicationFiled: February 24, 2017Publication date: August 1, 2019Applicant: HITACHI, LTD.Inventors: Nobukazu KONDO, Naruki KURATA, Katsuto SATO
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Publication number: 20190213049Abstract: First software operated on a first computer assigns data to be computed to second software operated on second computers. Second managers operated on the plurality of second computers respectively obtain data assignment information notified from the first software, and respectively notify the data assignment information to a first manager operated on the first computer. The first manager decides priority for the data to be computed transferred between the plurality of second computers based on the data assignment information. The first manager sets the priority to the network device.Type: ApplicationFiled: February 15, 2017Publication date: July 11, 2019Applicant: HITACHI, LTD.Inventors: Naruki KURATA, Katsuto SATO, Nobukazu KONDO
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Publication number: 20190050684Abstract: Proposed are a machine learning device and a machine learning method capable of performing machine learning in a short time and an efficient manner. For each learning target, image processing having a high learning effect regarding the learning target is set in advance. When image processing has been set regarding a learning target included in the image for each image based on teaching data set prepared in advance, a processed image of the image is generated by performing the image processing to that image. By learning a learning target with image data of the generated processed image as the teaching data, basic learning information configured from externally acquired basic learning results can be tuned.Type: ApplicationFiled: March 27, 2018Publication date: February 14, 2019Inventors: Nobukazu KONDO, Jumpei OKOSHI, Naofumi HAMA
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Publication number: 20180307607Abstract: A computer system includes a main memory, a lower class memory, and a secondary storage medium and executes an operating system, an in-memory computing program, and a prefetch optimizer program. The in-memory computing program writes processing target data including a plurality of data objects stored in the secondary storage medium into a plurality of continuous areas on a virtual memory space and executes a process while accessing the continuous area. When detecting that the operating system executes a class-in process triggered upon a page fault for a predetermined virtual page, the prefetch optimizer program acquires information of the continuous area from the in-memory computing program and directs the operating system to execute a class-in process for virtual pages included in the predetermined continuous area including the predetermined virtual page.Type: ApplicationFiled: January 18, 2016Publication date: October 25, 2018Inventors: Katsuto SATO, Nobukazu KONDO, Naruki KURATA
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Publication number: 20170308472Abstract: A computer system, comprising first computers, an application operate on each of the first computers; the each of the first computers is coupled to a second computer for providing a storage area; the each of the first computers includes a processor, a memory, a cache device to which a cache area, and a interface; the memory includes a program for realizing an operating system; the operating system includes a cache driver; and a cooperation control module configured to issue a control I/O request for instructing arrangement control; and the cooperation control module generate the control I/O request from a detected I/O request based on a analysis result of the detected I/O request in a case where an issuance of the I/O request from the cache driver is detected; and transfer the control I/O request to an apparatus different from an apparatus of a transfer destination of the detected I/O request.Type: ApplicationFiled: October 3, 2014Publication date: October 26, 2017Applicant: Hitachi, Ltd.Inventors: Nobukazu KONDO, Ken SUGIMOTO, Yuusuke FUKUMURA
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Patent number: 9699254Abstract: A computer system comprising: a server on which an application operates; and a storage system that stores data used by the application, the server including an operating system for controlling the server, the operating system including a cache driver for controlling a cache, the cache driver storing access management information for managing the number of accesses to a partial storage area of a volume provided by the storage system, and the cache driver being configured to: manage the number of accesses to the partial storage area of the volume by using the first access management information; replace the storage area to which the number of accesses is to be managed based on a predetermined replacement algorithm; and control arrangement of data in the server cache based on the first access management information.Type: GrantFiled: October 6, 2014Date of Patent: July 4, 2017Assignee: Hitachi, Ltd.Inventors: Ken Sugimoto, Yuusuke Fukumura, Nobukazu Kondo
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Patent number: 9652155Abstract: A computer system, comprising: a service server on which an application; a storage server for storing data used by the application; and a management server for managing the service server and the storage server, the service server including a cache device which a server cache for temporarily storing data is set, and including an operating system and an I/O request monitoring unit for monitoring an I/O request issued by the application, and issuing a dummy I/O request for controlling an arrangement of data in the server cache in a case where a predetermined condition is satisfied, the management server including a cache optimization unit for generating a control policy for issuing the dummy I/O request.Type: GrantFiled: March 10, 2015Date of Patent: May 16, 2017Assignee: Hitachi, Ltd.Inventors: Nobukazu Kondo, Ken Sugimoto
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Patent number: 9635123Abstract: A computer system include a service server, a storage server and a management server, wherein the service server includes a operating system, wherein the operating system includes a cache driver, wherein the storage server manages a plurality of tiered storage areas each having an access performance different from one another, wherein the management server includes an alert setting information generation part for generating alert setting information for the service servers to transmit alert information notifying a trigger to change an arrangement of data in accordance with a state of the service, and a control information generation part for generating cache control information including a first command for controlling an arrangement of cache data on a storage cache and tier control information including a second command for controlling an arrangement of the data on the plurality of tiered storage areas.Type: GrantFiled: October 28, 2014Date of Patent: April 25, 2017Assignee: Hitachi, Ltd.Inventors: Nobukazu Kondo, Ken Sugimoto, Yuusuke Fukumura
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Patent number: 9591096Abstract: A computer system, comprising: a server on which an application providing a service runs; and a storage system for storing data, the server including a cache device in which a server cache for temporarily storing data is set up, and an operating system for controlling the server, the operating system including a cache driver for controlling the server cache, wherein the operating system is configured to hold access information storing a frequency of reading data and a frequency of writing data, and wherein the cache driver is configured to: update the access information in a case where an I/O request; analyze access characteristics of data that is a target for the I/O request based on the access information; and determine whether to store the data that is the target for the I/O request in the server cache.Type: GrantFiled: May 27, 2014Date of Patent: March 7, 2017Assignee: Hitachi, Ltd.Inventors: Nobukazu Kondo, Yuusuke Fukumura, Ken Sugimoto