Patents by Inventor Masanori Miyagi
Masanori Miyagi 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: 20240030827Abstract: A power conversion device including: a semiconductor device; a first water channel and a second water channel stacked in a predetermined stacking direction and installed with the semiconductor device interposed therebetween; and a connecting water channel connecting the first water channel and the second water channel, in which the connecting water channel is formed by joining and fixing a joint member joined to the first water channel and the second water channel and a cover member separate from the joint member to each other, the first water channel and the second water channel are joined to the joint member by a joint formed in a plane parallel to the stacking direction, and the cover member covers the joint and is joined and fixed to the joint member.Type: ApplicationFiled: August 11, 2021Publication date: January 25, 2024Applicant: HITACHI ASTEMO, LTD.Inventors: Yusuke TAKAGI, Yujiro KANEKO, Masanori MIYAGI, Xudong ZHANG
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Patent number: 11462126Abstract: A control device is provided with: a posture information storage unit that stores posture associated information associated with workability being an evaluation criterion at a time of a posture for each piece of posture information of an operator; a posture information detection unit that acquires posture information of the operator during work as current posture information; a posture information calculation unit that obtains, from the posture associated information, ideal posture information for making improvement on workability of the current posture information, obtained by referring to the posture associated information in the storage unit from the current posture information; and a posture information notification unit that notifies the ideal posture information obtained by the calculation unit as an improvement proposal.Type: GrantFiled: March 4, 2019Date of Patent: October 4, 2022Assignee: Hitachi, Ltd.Inventors: Akihide Tanaka, Masanori Miyagi, Kazumichi Hosoya, Hiroki Murakami, Masao Shimizu
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Patent number: 11393360Abstract: A control device includes a storage unit that stores motion assessment index information for mapping a normal range for doing work motion to associated knowledge about the normal range, a motion information detection unit that detects motion information which is the result of measuring motion of a trainee, a motion determination unit that determines whether or not the motion information detected by the motion information detection unit deviates from the normal range stored in the storage unit, and a notification unit that acquires from the storage unit the associated knowledge mapped to the normal range from which the motion determination unit determines that the motion information deviates, and gives notice of the associated knowledge.Type: GrantFiled: March 4, 2019Date of Patent: July 19, 2022Assignee: HITACHI, LTD.Inventors: Masanori Miyagi, Akihide Tanaka
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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: 11137741Abstract: In order to realize stable quality control, provided is a quality control device (1) having an input device which receives data such as an operation condition of each device (21) to (26) in a production system (20) for producing a product; a calculation unit which assigns a value of the operation condition to a correlation formula calculated in advance and calculates a value derived from the correlation formula; and a determination unit which performs good or bad determination on a quality of a workpiece in each process, on the basis of a result calculated by the calculation unit. Further, when “bad” is determined as a result of the good or bad determination, the quality control device (1) calculates an appropriate value of the operation condition and sets the value to each device (21) to (26).Type: GrantFiled: November 8, 2017Date of Patent: October 5, 2021Assignee: HITACHI, LTD.Inventors: Masanori Miyagi, Yoshiyuki Takamori, Seunghwan Park
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Publication number: 20210264813Abstract: A control device is provided with: a posture information storage unit that stores posture associated information associated with workability being an evaluation criterion at a time of a posture for each piece of posture information of an operator; a posture information detection unit that acquires posture information of the operator during work as current posture information; a posture information calculation unit that obtains, from the posture associated information, ideal posture information for making improvement on workability of the current posture information, obtained by referring to the posture associated information in the storage unit from the current posture information; and a posture information notification unit that notifies the ideal posture information obtained by the calculation unit as an improvement proposal.Type: ApplicationFiled: March 4, 2019Publication date: August 26, 2021Applicant: Hitachi, Ltd.Inventors: Akihide TANAKA, Masanori MIYAGI, Kazumichi HOSOYA, Hiroki MURAKAMI, Masao SHIMIZU
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Publication number: 20210142693Abstract: A control device includes a storage unit that stores motion assessment index information for mapping a normal range for doing work motion to associated knowledge about the normal range, a motion information detection unit that detects motion information which is the result of measuring motion of a trainee, a motion determination unit that determines whether or not the motion information detected by the motion information detection unit deviates from the normal range stored in the storage unit, and a notification unit that acquires from the storage unit the associated knowledge mapped to the normal range from which the motion determination unit determines that the motion information deviates, and gives notice of the associated knowledge.Type: ApplicationFiled: March 4, 2019Publication date: May 13, 2021Applicant: HITACHI, LTD.Inventors: Masanori MIYAGI, Akihide TANAKA
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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: 20200391317Abstract: It is configured to include: a light irradiation unit that emits light; a three-dimensional coordinate measurement unit that measures light reflected from a marker attached to a work and a torch and calculates three-dimensional coordinate data of the work and the torch, the work or the marker reflecting the emitted light; and an arithmetic unit that converts a shape of the work into coordinates based on input three-dimensional graphic data and the three-dimensional coordinate data of the work and generates coordinate data of a shape of the work.Type: ApplicationFiled: February 25, 2019Publication date: December 17, 2020Applicant: HITACHI, LTD.Inventors: Masanori MIYAGI, Hiroki MURAKAMI, Kazumichi HOSOYA, Akihide TANAKA, Masao SHIMIZU
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Patent number: 10821550Abstract: A welding apparatus includes: a laser beam irradiation section that emits a laser beam; a spectroscopic apparatus that receives plasma emission from a molten pool formed by laser beam irradiation, and acquires optical spectral information; and an estimation section that estimates material components of a weld zone on the basis of the optical spectral information, and estimates a property of the weld zone on the basis of the material components.Type: GrantFiled: March 9, 2016Date of Patent: November 3, 2020Assignee: HITACHI, LTD.Inventor: Masanori Miyagi
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Publication number: 20190317476Abstract: In order to realize stable quality control, provided is a quality control device (1) having an input device which receives data such as an operation condition of each device (21) to (26) in a production system (20) for producing a product; a calculation unit which assigns a value of the operation condition to a correlation formula calculated in advance and calculates a value derived from the correlation formula; and a determination unit which performs good or bad determination on a quality of a workpiece in each process, on the basis of a result calculated by the calculation unit. Further, when “bad” is determined as a result of the good or bad determination, the quality control device (1) calculates an appropriate value of the operation condition and sets the value to each device (21) to (26).Type: ApplicationFiled: November 8, 2017Publication date: October 17, 2019Applicant: Hitachi Ltd.Inventors: Masanori MIYAGI, Yoshiyuki TAKAMORI, Seunghwan PARK
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Patent number: 10392296Abstract: A sealed structural body has an internal space and is made of glass, wherein at least a part of a boundary between the internal space of the sealed structural body and the outside is separated by a sealing material containing a metal material and a lead-free oxide glass. The lead-free oxide glass contains at least one of element Ag or P, Te, and V.Type: GrantFiled: December 4, 2013Date of Patent: August 27, 2019Assignee: HITACHI, LTD.Inventors: Motomune Kodama, Masanori Miyagi, Takuya Aoyagi, Takashi Naito
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Publication number: 20190076964Abstract: An object of the present invention is to, in high-energy beam welding, improve accuracy of determining a welding quality or accuracy of maintaining a certain welding quality by feedback, thereby improving efficiency of manufacturing a welded product, i.e., a yield. One aspect of the present invention acquires an image of a molten pool by a camera, acquires a width, a length, and an area of the molten pool by image processing, further acquires reflected light, plasma, and thermal radiation light by an optical sensor, and carries out a multiple regression analysis with use of the above-described signals and a signal having an interaction effect among them, thereby accurately predicting a weld penetration depth and thus accurately determining the welding quality.Type: ApplicationFiled: March 9, 2017Publication date: March 14, 2019Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Masayuki ICHINOHE, Masanori MIYAGI, Tatsuro KUROKI, Xudong ZHANG, Ryo INOUE
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Patent number: 10026923Abstract: An electronic component has an organic member between two transparent substrates, in which outer peripheral portions of the two transparent substrates are bonded by a sealing material containing low melting glass. The low melting glass contains vanadium oxide, tellurium oxide, iron oxide and phosphoric acid, and satisfies the following relations (1) and (2) in terms of oxides. The sealing material is formed of a sealing material paste which contains the low melting glass, a resin binder and a solvent, the low melting glass containing vanadium oxide, tellurium oxide, iron oxide and phosphoric acid, and satisfies the following relations (1) and (2) in terms of the oxides. Thereby, thermal damages to an organic element or an organic material contained in the electronic component can be reduced and an electronic component having a glass bonding layer of high reliability can be produced efficiently.Type: GrantFiled: June 28, 2017Date of Patent: July 17, 2018Assignee: Hitachi Chemical Company, Ltd.Inventors: Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Motomune Kodama, Masanori Miyagi, Takuya Aoyagi, Yuichi Sawai, Tadashi Fujieda, Takeshi Tsukamoto, Hajime Murakami
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Publication number: 20180193951Abstract: It is an object of the present invention to provide a laser welding method making it possible to secure the effective welding length when the laser beam is applied obliquely. In a laser welding method in which oscillation scanning is periodically effected with a laser beam 4 while moving an object of welding 9 to apply the laser beam to a surface of the object of welding 9 to perform welding, at least one of the output of the laser beam 4, a scanning speed, and a scanning track is controlled, whereby welding is effected with input heat amounts on both left and right sides with respect to the welding progressing direction being substantially different from each other.Type: ApplicationFiled: June 10, 2016Publication date: July 12, 2018Applicant: Hitachi Automotive Systems, Ltd.Inventors: Masanori MIYAGI, Masayuki ICHINOHE, Xudong ZHANG, Tatsuro KUROKI
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Publication number: 20180099356Abstract: A welding apparatus includes: a laser beam irradiation section that emits a laser beam; a spectroscopic apparatus that receives plasma emission from a molten pool formed by laser beam irradiation, and acquires optical spectral information; and an estimation section that estimates material components of a weld zone on the basis of the optical spectral information, and estimates a property of the weld zone on the basis of the material components.Type: ApplicationFiled: March 9, 2016Publication date: April 12, 2018Applicant: HITACHI, LTD.Inventor: Masanori MIYAGI
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Patent number: 9875154Abstract: Provided is a non-volatile semiconductor storage device which can be downsized with a simple circuit without impairing the function of an error correcting section, and a method of testing the non-volatile semiconductor storage device. An error correction circuit is configured to perform error detection and correction of merely the same number of bits as data bits, and a circuit for performing error detection and correction of check bits is omitted to downsize the circuit. A multiplexer for, in a testing state, replacing a part of the data bits read out from a storage element array with the check bits, and inputting the check bits to the error correction circuit is provided. Thus, error detection and correction of the check bits are performed to enable shipment inspection concerning the check bits as well.Type: GrantFiled: July 1, 2015Date of Patent: January 23, 2018Assignee: SII SEMICONDUCTOR CORPORATIONInventors: Masanori Miyagi, Taro Yamasaki
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Patent number: 9824900Abstract: The deterioration of the resin base materials in the bonded structure is prevented. In a bonded structure containing two base materials at least one of which is a resin, an oxide which contains either P or Ag, V, and Te, and are formed by softening on the two base materials, bond the two base materials. In addition, in a method for producing a bonded structure containing two base materials at least one of which is a resin containing: supplying an oxide containing either P or Ag, V, and Te to the base material; and applying electromagnetic waves to the oxide, whereby the oxide, which soften on the substrates, bond the two base material.Type: GrantFiled: November 9, 2012Date of Patent: November 21, 2017Assignee: Hitachi, Ltd.Inventors: Motomune Kodama, Takashi Naito, Yuichi Sawai, Tadashi Fujieda, Takuya Aoyagi, Masanori Miyagi
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Publication number: 20170301883Abstract: An electronic component has an organic member between two transparent substrates, in which outer peripheral portions of the two transparent substrates are bonded by a sealing material containing low melting glass. The low melting glass contains vanadium oxide, tellurium oxide, iron oxide and phosphoric acid, and satisfies the following relations (1) and (2) in terms of oxides. The sealing material is formed of a sealing material paste which contains the low melting glass, a resin binder and a solvent, the low melting glass containing vanadium oxide, tellurium oxide, iron oxide and phosphoric acid, and satisfies the following relations (1) and (2) in terms of the oxides. Thereby, thermal damages to an organic element or an organic material contained in the electronic component can be reduced and an electronic component having a glass bonding layer of high reliability can be produced efficiently.Type: ApplicationFiled: June 28, 2017Publication date: October 19, 2017Inventors: Takashi NAITO, Shinichi TACHIZONO, Kei YOSHIMURA, Yuji HASHIBA, Motomune KODAMA, Masanori MIYAGI, Takuya AOYAGI, Yuichi SAWAI, Tadashi FUJIEDA, Takeshi TSUKAMOTO, Hajime MURAKAMI
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Patent number: 9789568Abstract: An aluminum wire body, in which an aluminum or aluminum alloy electric wire and a metal to be joined are joined by solder, wherein the solder includes an oxide glass including vanadium and a conducting particle. Preferably, the conducting particle contained in the solder is 90% by volume or less and the oxide glass is 20% by volume to 90% by volume. Further preferably, the oxide glass includes 40% by mass or more of Ag2O in terms of oxides and the glass transition point is 180° C. or less.Type: GrantFiled: February 11, 2014Date of Patent: October 17, 2017Assignee: Hitachi, Ltd.Inventors: Takuya Aoyagi, Motomune Kodama, Takashi Naito, Tadashi Fujieda, Yuichi Sawai, Masanori Miyagi, Haruo Akahoshi, Norihisa Iwasaki