Patents by Inventor Nobuhiro KAKENO
Nobuhiro KAKENO 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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Publication number: 20230367296Abstract: This industrial system is characterized by being provided with: a storage unit that stores design data used when constructing an industrial line; a simulation execution unit that executes a simulation of movement of the industrial line, based on the design data; and a detection unit that compares a result of the simulation with the movement of the industrial line during operation and detects an abnormality in components of the industrial line. With such a configuration and movement, the present invention can be utilized for line operation support and high-resolution abnormality detection.Type: ApplicationFiled: November 2, 2020Publication date: November 16, 2023Applicant: Hitachi, Ltd.Inventors: Nobuhiro KAKENO, Yoshiteru KATSUMURA, Daiki KAJITA, Takahiro NAKANO, Miho ARAI
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Patent number: 11715055Abstract: Provided is a manufacture and sales strategy planning method comprising a step of determining, based on information related to a sales plan of a plurality of products and a production capacity of a production facility to produce each product, whether there is any spare capacity in the production capacity of the production facility in relation to the sales plan for each of the products, a step of applying one among a plurality of profit improvement strategies, according to an availability of the spare capacity, to each product determined in this step, and calculating an improvement effect of each product, a step of selecting, based on each calculation result obtained in this step, a specific product among the plurality of products in which the improvement effect has exceeded a set value with regard to each of the plurality of profit improvement strategies, a step of extracting, for each profit improvement strategy, an item which satisfies a restricting condition of sale or production of the specific product seType: GrantFiled: March 4, 2021Date of Patent: August 1, 2023Assignees: HITACHI, LTD., HITACHI SOLUTIONS, LTD.Inventors: Hiroaki Nasu, Nobuhiro Kakeno, Yasuhiro Ozawa, Sana Imakubo, Yuuichi Terazaki
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Patent number: 11651317Abstract: A work operation analysis system 11 includes: a deviant operation analysis unit 114 that analyzes a work video obtained by photographing work of a worker on a work process basis and, in the case where a deviant operation different from normal work has been detected, identifies the occurrence timing of the deviant operation; a work video accumulation unit (a normal work video accumulation unit 117 and a deviant work video accumulation unit 118) that accumulates a normal work video obtained by preliminarily photographing normal work and a deviant work video obtained when the deviant operation occurred; and a display unit (a display input device 111) that displays the normal work video and the deviant work video having predetermined time including the occurrence timing of the deviant operation.Type: GrantFiled: February 28, 2019Date of Patent: May 16, 2023Assignee: Hitachi, Ltd.Inventors: Hiroto Nagayoshi, Takuma Terada, Nobuhiro Kakeno, Toshihiro Yamada
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Patent number: 11513013Abstract: A stress distribution measurement device includes: a first magnetostrictive sensor and a second magnetostrictive sensor each including an excitation coil that excites AC magnetism in a measurement target using alternating current, and a detection coil to which alternating current is induced due to the AC magnetism flowing in the measurement target; an excitation circuit that applies a first excitation voltage to the excitation coil of the first magnetostrictive sensor and applies a second excitation voltage to the excitation coil of the second magnetostrictive sensor, the second excitation voltage having a phase or a waveform different from the first excitation voltage; and a detection circuit that includes a first detector that performs synchronous detection of current flowing in the detection coil of the first magnetostrictive sensor based on the first excitation voltage and a second detector that performs synchronous detection of current flowing in the detection coil of the second magnetostrictive sensor bType: GrantFiled: September 1, 2020Date of Patent: November 29, 2022Assignee: Hitachi, Ltd.Inventors: Masanori Kitaoka, Hisashi Endo, Hiroshi Yoshikawa, Toshihiro Yamada, Nobuhiro Kakeno
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Publication number: 20220057789Abstract: A manufacturing monitoring assistance device includes: a model creation unit creating a computation model when a product as a sample is normal, based on a three-dimensional form acquired from the product; a simulation unit creating a corrective computation model when the product is abnormal, by adding a sample of an abnormal portion in the product to the created computation model, and performing a simulation on each of the computation model and the corrective computation model; and a monitoring method determination unit determining a method for monitoring a manufacturing process for the product, based on an abnormality index being a difference between an output from a sensor as a result of the simulation performed on the computation model and an output from a sensor as a result of the simulation performed on the corrective computation model, and causing an output device to display the determined method and the abnormality index.Type: ApplicationFiled: January 30, 2020Publication date: February 24, 2022Applicant: HITACHI, LTD.Inventors: Masanori KITAOKA, Hisashi ENDOU, Nobuhiro KAKENO, Hiroshi YOSHIKAWA, Toshihiro YAMADA
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Publication number: 20220004956Abstract: Provided is a manufacture and sales strategy planning method comprising a step of determining, based on information related to a sales plan of a plurality of products and a production capacity of a production facility to produce each product, whether there is any spare capacity in the production capacity of the production facility in relation to the sales plan for each of the products, a step of applying one among a plurality of profit improvement strategies, according to an availability of the spare capacity, to each product determined in this step, and calculating an improvement effect of each product, a step of selecting, based on each calculation result obtained in this step, a specific product among the plurality of products in which the improvement effect has exceeded a set value with regard to each of the plurality of profit improvement strategies, a step of extracting, for each profit improvement strategy, an item which satisfies a restricting condition of sale or production of the specific product seType: ApplicationFiled: March 4, 2021Publication date: January 6, 2022Applicants: HITACHI, LTD., HITACHI SOLUTIONS, LTD.Inventors: Hiroaki NASU, Nobuhiro KAKENO, Yasuhiro OZAWA, Sana IMAKUBO, Yuuichi TERAZAKI
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Patent number: 11150196Abstract: The disclosure provides a joining process line monitoring system capable of preventing joining quality deterioration and operation delay.Type: GrantFiled: August 30, 2018Date of Patent: October 19, 2021Assignee: HITACHI, LTD.Inventors: Hisashi Endou, Masanori Miyagi, Hiroshi Yoshikawa, Toshihiro Yamada, Nobuhiro Kakeno, Yasunori Hama
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Patent number: 11029254Abstract: There are provided a welding monitoring system which can multidimensionally monitor a welding portion with high accuracy and a monitoring method thereof, by using a relatively simple configuration.Type: GrantFiled: July 11, 2018Date of Patent: June 8, 2021Assignee: HITACHI, LTD.Inventors: Ryoji Nakagawa, Hisashi Endou, Hiroshi Yoshikawa, Toshihiro Yamada, Nobuhiro Kakeno
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Publication number: 20210063316Abstract: The disclosure provides a joining process line monitoring system capable of preventing joining quality deterioration and operation delay.Type: ApplicationFiled: August 30, 2018Publication date: March 4, 2021Inventors: Hisashi ENDOU, Masanori MIYAGI, Hiroshi YOSHIKAWA, Toshihiro YAMADA, Nobuhiro KAKENO, Yasunori HAMA
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Publication number: 20210063255Abstract: A stress distribution measurement device includes: a first magnetostrictive sensor and a second magnetostrictive sensor each including an excitation coil that excites AC magnetism in a measurement target using alternating current, and a detection coil to which alternating current is induced due to the AC magnetism flowing in the measurement target; an excitation circuit that applies a first excitation voltage to the excitation coil of the first magnetostrictive sensor and applies a second excitation voltage to the excitation coil of the second magnetostrictive sensor, the second excitation voltage having a phase or a waveform different from the first excitation voltage; and a detection circuit that includes a first detector that performs synchronous detection of current flowing in the detection coil of the first magnetostrictive sensor based on the first excitation voltage and a second detector that performs synchronous detection of current flowing in the detection coil of the second magnetostrictive sensor bType: ApplicationFiled: September 1, 2020Publication date: March 4, 2021Inventors: Masanori KITAOKA, Hisashi ENDO, Hiroshi YOSHIKAWA, Toshihiro YAMADA, Nobuhiro KAKENO
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Patent number: 10935500Abstract: There are provided a welding monitoring system which can multidimensionally monitor a welding portion with high accuracy and a monitoring method thereof, by using a relatively simple configuration.Type: GrantFiled: October 18, 2017Date of Patent: March 2, 2021Assignee: HITACHI, LTD.Inventors: Ryoji Nakagawa, Hisashi Endou, Hiroshi Yoshikawa, Toshihiro Yamada, Nobuhiro Kakeno
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Publication number: 20200401981Abstract: A work operation analysis system 11 includes: a deviant operation analysis unit 114 that analyzes a work video obtained by photographing work of a worker on a work process basis and, in the case where a deviant operation different from normal work has been detected, identifies the occurrence timing of the deviant operation; a work video accumulation unit (a normal work video accumulation unit 117 and a deviant work video accumulation unit 118) that accumulates a normal work video obtained by preliminarily photographing normal work and a deviant work video obtained when the deviant operation occurred; and a display unit (a display input device 111) that displays the normal work video and the deviant work video having predetermined time including the occurrence timing of the deviant operation.Type: ApplicationFiled: February 28, 2019Publication date: December 24, 2020Inventors: Hiroto NAGAYOSHI, Takuma TERADA, Nobuhiro KAKENO, Toshihiro YAMADA
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Publication number: 20200361023Abstract: Provided is a welding management system that appropriately manages welding. The welding management system (100) includes a plurality of local magnetic sensors (10a to 10f) provided around a target joining position (K) and a correction magnetic sensor (20) curved to surround the target joining position (K). A data processing unit (30) generates information of a joining state of the target joining position (K) based on a difference between a detection value of each of the plurality of the local magnetic sensors (10a to 10f) and a detection value of the correction magnetic sensor (20).Type: ApplicationFiled: March 30, 2018Publication date: November 19, 2020Inventors: Ryoji NAKAGAWA, Hisashi ENDOU, Hiroshi YOSHIKAWA, Toshihiro YAMADA, Nobuhiro KAKENO, Hideya ISAKA
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Publication number: 20180321162Abstract: There are provided a welding monitoring system which can multidimensionally monitor a welding portion with high accuracy and a monitoring method thereof, by using a relatively simple configuration.Type: ApplicationFiled: July 11, 2018Publication date: November 8, 2018Applicant: Hitachi, Ltd.Inventors: Ryoji NAKAGAWA, Hisashi ENDOU, Hiroshi YOSHIKAWA, Toshihiro YAMADA, Nobuhiro KAKENO
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Publication number: 20180113077Abstract: There are provided a welding monitoring system which can multidimensionally monitor a welding portion with high accuracy and a monitoring method thereof, by using a relatively simple configuration.Type: ApplicationFiled: October 18, 2017Publication date: April 26, 2018Applicant: Hitachi, Ltd.Inventors: Ryoji NAKAGAWA, Hisashi ENDOU, Hiroshi YOSHIKAWA, Toshihiro YAMADA, Nobuhiro KAKENO