Patents by Inventor Ryosuke Sakai
Ryosuke Sakai 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: 11656249Abstract: A current sensor includes an electrical-conduction member, a magnetoelectric converter and a shield. The shield includes a first shield and a second shield arranged such that surfaces are opposed to and spaced away from each other. A part of the electrical-conduction member and the magnetoelectric converter are located between the first shield and the second shield. The part of the electrical-conduction member located between the first and second shields extends in an extension direction that is along the surface of the first shield. In at least one of the first shield and the second shield, a center part has a length greater than lengths of opposite end parts in a lateral direction that is along the surface of the first shield and perpendicular to the extension direction. The magnetoelectric converter is located between the opposite end parts of the first and second shields in the extension direction.Type: GrantFiled: September 17, 2020Date of Patent: May 23, 2023Assignee: DENSO CORPORATIONInventors: Takuma Esaka, Ryosuke Sakai, Hiroaki Miwa
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Patent number: 11631799Abstract: An elastic wave device includes a piezoelectric body including a main surface, an IDT electrode provided on the main surface of the piezoelectric body, and a wiring electrode provided on the main surface of the piezoelectric body and electrically connected to the IDT electrode, in which the wiring electrode includes a portion that extends to an edge of the main surface of the piezoelectric body, and a width of the wiring electrode on the edge is narrower than a width of the wiring electrode in a portion not on the edge.Type: GrantFiled: May 1, 2019Date of Patent: April 18, 2023Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Ryosuke Sakai
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Patent number: 11628512Abstract: Disclosed is a clad steel plate with further improved low temperature toughness along with excellent HIC resistance while ensuring a tensile strength of 535 MPa or more. A clad steel plate includes: a base steel; and a clad metal made of a corrosion resistant alloy bonded to one surface of the base steel, in which the base steel has: a chemical composition with appropriately controlled values of ACR and PHIC; and a steel microstructure in which bainite is present in an area fraction of 94% or more at a ½ thickness position in a thickness direction of the base steel, and with an average crystal grain size of 25 ?m or less, and shear strength at a bonded interface between the base steel and the cladding metal is 300 MPa or more.Type: GrantFiled: June 25, 2019Date of Patent: April 18, 2023Assignee: JFE STEEL CORPORATIONInventors: Ryosuke Sakai, Yota Kuronuma, Junji Shimamura, Tomoyuki Yokota
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Publication number: 20230109925Abstract: An image forming apparatus includes a housing, a toner image forming portion, a foil transfer unit, a sheet tray, and a discharge portion. The toner image forming portion is provided in the housing and configured to form a toner image on a sheet. The foil transfer unit is configured to superpose a foil with a surface of the sheet. The sheet tray is installable in the housing in an inserting direction and configured to accommodate a sheet to be supplied to the toner image forming portion. The first discharge portion is configured to discharge the sheet from the foil transfer unit to the outside of the housing in a discharging direction opposite to the inserting direction. The second discharge portion is configured to discharge the sheet from the toner image forming portion to the outside of the housing without passing through the foil transfer unit in the discharge direction.Type: ApplicationFiled: October 17, 2022Publication date: April 13, 2023Inventors: Ryosuke Sakai, Hideshi Nishiyama, Isami Fujisawa, Yukiko Kitamura
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Publication number: 20230026026Abstract: A foil transfer device includes a foil transfer film cartridge, a housing, a display, a detector, and a controller. The foil transfer film cartridge includes a supply reel on which a foil film is wound. The housing allows the foil transfer film cartridge to be removably installed therein. The display is provided on the housing to display information. The detector detects foil film information in a state where the foil transfer film cartridge is installed in the housing. The foil film information includes at least one item selected from a group comprising a color of the foil, a width of the foil film, and a widthwise position of the foil film in a direction of the width of the foil film. The controller causes the foil film information detected by the detector to be shown on the display.Type: ApplicationFiled: September 29, 2022Publication date: January 26, 2023Inventor: Ryosuke Sakai
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Publication number: 20230026662Abstract: An image forming apparatus includes a process unit, a heating unit, and a controller unit. The process unit is configured to transfer an image onto a sheet. The heating unit is configured to fix the image transferred at the process unit onto the sheet, and to transfer a transfer layer onto an image formed on a sheet overlaid on a multilayer film. The controller unit is capable of operating in a first printing mode in which processes of transferring an image at the process unit, fixing the image at the heating unit, and transferring the transfer layer at the heating unit are executed, and a second printing mode in which processes of transferring an image at the process unit and fixing the image at the heating unit are not executed, and a process of transferring the transfer layer at the heating unit is executed.Type: ApplicationFiled: September 29, 2022Publication date: January 26, 2023Inventors: Tomoya Ichikawa, Tomoya Yamamoto, Ryosuke Sakai, Kentaro Mori, Kyoko Sugiyama, Ayaka Ohira, Isami Fujisawa
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Patent number: 11508682Abstract: A connection electrode includes a first metal film, a second metal film, a mixed layer, and an extraction electrode. The second metal film is located on the first metal film, and the extraction electrode is located on the second metal film. The mixed layer includes a mix of metal particles of the first and second metal films. As viewed in a first direction in which the first metal film and the second metal film are on top of each other, at least a portion of the mixed layer is in a first region that overlaps a bonding plane between the extraction electrode and the second metal film.Type: GrantFiled: March 17, 2021Date of Patent: November 22, 2022Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Ryosuke Sakai
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Publication number: 20220357368Abstract: A current sensor includes a plurality of individual sensors and a wiring case. Each of the individual sensors includes an electrical-conduction member through which a measurement current to be measured flows, a magnetoelectric converter and an insulating sensor housing. The magnetoelectric converter converts a measurement magnetic field caused by a flow of the measurement current into an electric signal. The sensor housing accommodates the electrical-conduction member and the magnetoelectric converter therein. The wiring case is larger than the sensor housing. The wiring case includes an insulating integrated housing in which the plurality of individual sensors is fixed, and an input/output wiring disposed in the integrated housing and electrically connected to the megnetoelectric converter of each of the plurality of individual sensors.Type: ApplicationFiled: July 14, 2022Publication date: November 10, 2022Inventors: Hiroaki MIWA, Akito SASAKI, Ryosuke SAKAI, Takuma ESAKA, Tatsuaki SUGITO
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Patent number: 11493871Abstract: An image forming apparatus includes a housing, a toner image forming portion, a foil transfer unit, a sheet tray, and a discharge portion. The toner image forming portion is provided in the housing and configured to form a toner image on a sheet. The foil transfer unit is configured to superpose a foil with a surface of the sheet. The sheet tray is installable in the housing in an inserting direction and configured to accommodate a sheet to be supplied to the toner image forming portion. The first discharge portion is configured to discharge the sheet from the foil transfer unit to the outside of the housing in a discharging direction opposite to the inserting direction. The second discharge portion is configured to discharge the sheet from the toner image forming portion to the outside of the housing without passing through the foil transfer unit in the discharge direction.Type: GrantFiled: August 29, 2018Date of Patent: November 8, 2022Assignee: Brother Kogyo Kabushiki KaishaInventors: Ryosuke Sakai, Hideshi Nishiyama, Takehiro Masuda, Yusuke Ikegami, Wataru Yamaguchi, Yuichi Ikeno
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Patent number: 11493873Abstract: Disclosed is a layer transfer device for transferring a transfer layer onto a toner image formed on a sheet, in which a replacement of a film cartridge is easy for a user. The layer transfer device includes a housing, a film cartridge, and a holder. The film cartridge includes a supply reel including a supply shaft on which a multilayer film including a supported layer including a transfer layer, and a supporting layer supporting the supported layer is wound, and a take-up reel including a take-up shaft on which to take up the multilayer film. The holder supports the film cartridge, and is installable into and removable from the housing while supporting the film cartridge.Type: GrantFiled: June 21, 2021Date of Patent: November 8, 2022Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Tomoya Ichikawa, Ryosuke Sakai
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Publication number: 20220326282Abstract: A current sensor includes an electrical-conduction member, a magnetoelectric converter and a shield. The shield includes a first shield and a second shield arranged such that surfaces are opposed to and spaced away from each other. A part of the electrical-conduction member and the magnetoelectric converter are located between the surface of the first shield and the surface of the second shield. The part of the electrical-conduction member located between the first shield and the second shield extends in an extension direction along the surface of the second shield. The second shield has two sides aligned in a lateral direction perpendicular to the extension direction, and has a plurality of extending parts extending toward the first shield at the sides and being aligned with and separated from each other in the extension direction. The magnetocelectric converter is located between the plurality of extending parts.Type: ApplicationFiled: June 22, 2022Publication date: October 13, 2022Inventors: Takuma ESAKA, Ryosuke SAKAI, Hiroaki MIWA
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Publication number: 20220326283Abstract: A current sensor includes a wiring board, a shield, an insulating sensor housing, and a shield adhesive. The wiring board and the shield are accommodated in the sensor housing. The sensor housing has a shield support part to support the shield, and a shield adhesion part. An application surface of the shield adhesion part is further from the shield than a contact surface of the shield support part. The shield is mounted on the contact surface of the shield support part, and the shield adhesive is disposed between the application surface of the shield adhesion part and the shield. The shield and the wiring board are aligned with and spaced from each other in the sensor housing.Type: ApplicationFiled: June 27, 2022Publication date: October 13, 2022Inventors: Akito SASAKI, Ryosuke SAKAI, Hiroaki MIWA, Takeshi TSUKAMOTO, Hiroshi NOMURA, Takuma ESAKA, Tatsuaki SUGITO
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Patent number: 11422165Abstract: A current sensor includes a plurality of individual sensors and a wiring case. Each of the individual sensors includes an electrical-conduction member through which a measurement current to be measured flows, a magnetoelectric converter and an insulating sensor housing. The magnetoelectric converter converts a measurement magnetic field caused by a flow of the measurement current into an electric signal. The sensor housing accommodates the electrical-conduction member and the magnetoelectric converter therein. The wiring case is larger than the sensor housing. The wiring case includes an insulating integrated housing in which the plurality of individual sensors is fixed, and an input/output wiring disposed in the integrated housing and electrically connected to the megnetoelectric converter of each of the plurality of individual sensors.Type: GrantFiled: September 17, 2020Date of Patent: August 23, 2022Assignee: DENSO CORPORATIONInventors: Hiroaki Miwa, Akito Sasaki, Ryosuke Sakai, Takuma Esaka, Tatsuaki Sugito
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Publication number: 20220254136Abstract: An image acquisition unit 110 acquires a plurality of images. The plurality of images include an object to be inferred. An image cut-out unit 120 cuts out an object region including the object from each of the plurality of images acquired by the image acquisition unit 110. An importance generation unit 130 generates importance information by processing the object region cut out by the image cut-out unit 120. The importance information indicates the importance of the object region when an object inference model is generated, and is generated for each object region, that is, for each image acquired by the image acquisition unit 110. A learning data generation unit 140 stores a plurality of object regions cut out by the image cut-out unit 120 and a plurality of pieces of importance information generated by the importance generation unit 130 in a learning data storage unit 150 as at least a part of the learning data.Type: ApplicationFiled: January 28, 2022Publication date: August 11, 2022Applicant: NEC CorporationInventors: Tomokazu KANEKO, Katsuhiko TAKAHASHI, Makoto TERAO, Soma SHIRAISHI, Takami SATO, Yu NABETO, Ryosuke SAKAI
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Patent number: 11397196Abstract: A current sensor includes a wiring board, a shield, an insulating sensor housing, and a shield adhesive. The wiring board and the shield are accommodated in the sensor housing. The sensor housing has a shield support part to support the shield, and a shield adhesion part. An application surface of the shield adhesion part is further from the shield than a contact surface of the shield support part. The shield is mounted on the contact surface of the shield support part, and the shield adhesive is disposed between the application surface of the shield adhesion part and the shield. The shield and the wiring board are aligned with and spaced from each other in the sensor housing.Type: GrantFiled: September 17, 2020Date of Patent: July 26, 2022Assignee: DENSO CORPORATIONInventors: Akito Sasaki, Ryosuke Sakai, Hiroaki Miwa, Takeshi Tsukamoto, Hiroshi Nomura, Takuma Esaka, Tatsuaki Sugito
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Patent number: 11391762Abstract: A current sensor includes an electrical-conduction member, a magnetoelectric converter and a shield. The shield includes a first shield and a second shield arranged such that surfaces are opposed to and spaced away from each other. A part of the electrical-conduction member and the magnetoelectric converter are located between the surface of the first shield and the surface of the second shield. The part of the electrical-conduction member located between the first shield and the second shield extends in an extension direction along the surface of the second shield. The second shield has two sides aligned in a lateral direction perpendicular to the extension direction, and has a plurality of extending parts extending toward the first shield at the sides and being aligned with and separated from each other in the extension direction. The magnetocelectric converter is located between the plurality of extending parts.Type: GrantFiled: September 16, 2020Date of Patent: July 19, 2022Assignee: DENSO CORPORATIONInventors: Takuma Esaka, Ryosuke Sakai, Hiroaki Miwa
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Publication number: 20220214639Abstract: In a foil transfer device for transferring a transfer layer from a foil film onto a sheet laid on the foil film, the foil film is wound on a supply reel, and taken up on a take-up reel. A heating member heats the foil film, and a pressure member is provided to press the foil film and the sheet between the pressure member and the heating member. A separator changes a traveling direction of the foil film having passed through between the heating member and the pressure member into a direction different from a direction of conveyance of the sheet, to thereby separate the foil film from the sheet. A first fan blows air toward the foil film positioned between the heating member and the separator.Type: ApplicationFiled: March 25, 2022Publication date: July 7, 2022Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Kentaro MORI, Ryosuke SAKAI, Ayaka OHIRA, Tomoya YAMAMOTO, Seiji HIRAMATSU
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Patent number: 11360123Abstract: The current sensor has a conductive member through which a current to be measured flows in a predetermined direction, and a magneto electric converter facing and spaced apart from the conductive member in an intersecting direction intersecting the predetermined direction. An opposing portion of the conductive member facing the magneto electric converter has an annular shape in which two tip surfaces face each other via a gap around the predetermined direction. The magneto electric converter is opposed to the hollow portion, arranged in the opposing portion having an annular shape, in the intersecting direction via the gap.Type: GrantFiled: August 25, 2020Date of Patent: June 14, 2022Assignee: DENSO CORPORATIONInventors: Tatsuaki Sugito, Takeshi Tsukamoto, Takuma Esaka, Ryosuke Sakai, Akito Sasaki, Hatsuomi Isogai, Hiroaki Miwa, Hiroshi Nomura, Takashi Ishikawa, Katsunori Michiyama
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Publication number: 20220143966Abstract: A foil transfer apparatus configured to transfer foil of a foil film to a sheet includes a cover movable between a closed position and an open position, a lock mechanism capable of locking the cover at the closed position, a heating member, a pressurizing member, a temperature sensor, and a controller configured to: calculate a first lock determination temperature and a second lock determination temperature that are values obtained by respectively adding a first correction value and a second correction value that are determined based on a condition for performing a foil transfer operation to a detection temperature detected by the temperature; control the lock mechanism to lock the cover when the first lock determination temperature is not lower than a first threshold; and control the lock mechanism to unlock the cover when the second lock determination temperature is lower than a second threshold.Type: ApplicationFiled: November 3, 2021Publication date: May 12, 2022Applicant: Brother Kogyo Kabushiki KaishaInventors: Kentaro MORI, Ryosuke SAKAI
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Patent number: D948610Type: GrantFiled: April 17, 2019Date of Patent: April 12, 2022Assignee: BROTHER INDUSTRIES, LTD.Inventors: Ryosuke Sakai, Keiichiro Egami