Patents by Inventor Shohei IWATA
Shohei IWATA 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: 12186828Abstract: A double-sided friction stir welding method, methods for producing a cold-rolled steel strip and a coated steel strip, a double-sided friction stir welding apparatus, and facilities for producing a cold-rolled steel strip and a coated steel strip. The double-sided friction stir welding method includes pressing two rotating tools, which are disposed on a first surface and a second surface of a butt portion or overlap portion of the steel strips, against the butt portion or overlap portion of steel strips and moving the rotating tools in the welding direction while rotating the rotating tools in opposite directions to each other, so that an unwelded portion of the steel strips is softened by frictional heat generated between the rotating tools and the unwelded portion of the steel strips, and the softened portion is stirred with the rotating tools to generate plastic flow so as to weld the steel strips together.Type: GrantFiled: September 18, 2020Date of Patent: January 7, 2025Assignee: JFE STEEL CORPORATIONInventors: Muneo Matsushita, Shohei Iwata, Yasushi Kitani
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Publication number: 20240424598Abstract: Provided is an electrical steel strip friction stir welding method that is able to inhibit the occurrence of coil joint fractures on a production line caused by deterioration of mechanical properties and shape of the coil joint while maintaining high work efficiency and that is also advantageous in terms of rotating tool durability. In the method, preheated double-sided friction stir welding is performed, diameter D (mm) of shoulders of rotating tools satisfies the relationship of the following Expression (7), and rotation speed RS (r/min) of the rotating tools, the diameter D (mm) of shoulders of the rotating tools, and joining speed JS (mm/min), expressed as RS×D3/JS, satisfy the relationship of the following Expression (8), 4×TJ?D?10×TJ??(7), and 180×TJ?RS×D3/JS?1500×TJ??(8).Type: ApplicationFiled: August 1, 2022Publication date: December 26, 2024Applicant: JFE STEEL CORPORATIONInventors: Muneo MATSUSHITA, Shohei IWATA, Kai TOMITA
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Publication number: 20240408696Abstract: Provided is an electrical steel strip friction stir welding method that is able to inhibit the occurrence of coil joint fractures on a production line caused by deterioration of mechanical properties and shape of the coil joint while maintaining high work efficiency. In the method, preheated double-sided friction stir welding is performed, and joining is performed under conditions that steel microstructures of a joined portion and a thermo-mechanically affected zone formed by joining become mainly ferrite phase, respectively, and the relationships of the following Expressions (1) to (4) are simultaneously satisfied, Dsz?200 ?m . . . (1), Dhaz1?Dbm1 . . . (2), Dhaz2?Dbm2 . . . (3), and 0.9×(Hbm1+Hbm2)/2?Hsz?1.2×(Hbm1+Hbm2)/2 . . . (4).Type: ApplicationFiled: August 1, 2022Publication date: December 12, 2024Applicant: JFE STEEL CORPORATIONInventors: Muneo MATSUSHITA, Shohei IWATA, Kai TOMITA
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Publication number: 20240359257Abstract: An electrical steel strip welded joint is provided that is able to inhibit the occurrence of coil joint fracture on a production line caused by deterioration of mechanical properties and shape of the coil joint. The steel microstructures of the joined portion and the thermo-mechanically affected zone are mainly ferrite phase, and satisfy the relationships of the following Expressions (1) to (4). Dsz ? 200 ? ? ? m ( 1 ) Dhaz ? 1 ? Dbm ? 1 ( 2 ) Dhaz ? 2 ? Dbm ? 2 ( 3 ) 0.9 × ( Hbm ? 1 + Hbm ? 2 ) / 2 ? Hsz ? 1.Type: ApplicationFiled: July 27, 2022Publication date: October 31, 2024Applicant: JFE STEEL CORPORATIONInventors: Muneo MATSUSHITA, Shohei IWATA, Yasushi KITANI
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Publication number: 20240231238Abstract: An exposure apparatus for exposing a plurality of shot regions on a substrate includes a projection optical system, a drive mechanism configured to drive the substrate, a detector configured to detect a surface height of the substrate, and a controller configured to control the drive mechanism based on an output of the detector. The projection optical system is configured to project a pattern of an original to an exposure region in an image plane of the projection optical system. A detection region of the detector is larger than the exposure region. The controller is configured to control, based on an output of the detector obtained when a first shot region of the plurality of shot regions is arranged in the exposure region, driving of the substrate, by the drive mechanism, for exposing a second shot region of the plurality of shot regions.Type: ApplicationFiled: October 18, 2023Publication date: July 11, 2024Inventor: SHOHEI IWATA
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Publication number: 20240197189Abstract: A biological information measurement device measuring blood pressure of a subject and biological information which includes: a curved support member; a belt portion; a fluid bag; a pump; a valve; a blood pressure measurement unit; a detection unit which comes into contact with the measurement site of the subject; and a biological information measurement unit measuring the biological information with the detection unit, in which the fluid bag includes a first bag portion and a second bag portion, and the detection unit which is arranged at a position which allows a change in a contact state between the detection unit and the measurement target site due to movement of the detection unit support portion accompanying a volume change of the fluid bag and the second bag portion to be limited to a predetermined range.Type: ApplicationFiled: March 1, 2024Publication date: June 20, 2024Applicant: OMRON HEALTHCARE CO., LTDInventors: Kentaro MORI, Takeshi KUBO, Takashi ONO, Yoshihide TOKKO, Masaki HARADA, Kosuke ABE, Shohei IWATA, Yoshihiko SANO
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Publication number: 20240197252Abstract: This biological information measurement device comprises: a fluid bag; a pump; a valve; a blood pressure measurement unit that measures the blood pressure; a first electrode that comes into contact with a first part of a subject; a second electrode that comes into contact with a second part, the second electrode being connected to the fluid bag, supported by a support member that extends farther in the circumferential direction from the circumferential end of the fluid bag, and positioned a predetermined distance away from the end in the circumferential direction; an electrocardiogram measurement unit that measures an electrocardiogram waveform of the subject; a belt part that is wrapped around the outer circumference of the fluid bag; and a contact state stabilizer for suppressing a change in the state of contact of the second electrode with respect to the second part due to a change in volume of the fluid bag.Type: ApplicationFiled: March 1, 2024Publication date: June 20, 2024Applicant: OMRON HEALTHCARE CO., LTD.Inventors: Kentaro MORI, Takeshi Kubo, Takashi Ono, Yoshihide Tokko, Masaki Harada, Kosuke Abe, Shohei Iwata, Yoshihiko Sano
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Publication number: 20240134286Abstract: An exposure apparatus for exposing a plurality of shot regions on a substrate includes a projection optical system, a drive mechanism configured to drive the substrate, a detector configured to detect a surface height of the substrate, and a controller configured to control the drive mechanism based on an output of the detector. The projection optical system is configured to project a pattern of an original to an exposure region in an image plane of the projection optical system. A detection region of the detector is larger than the exposure region. The controller is configured to control, based on an output of the detector obtained when a first shot region of the plurality of shot regions is arranged in the exposure region, driving of the substrate, by the drive mechanism, for exposing a second shot region of the plurality of shot regions.Type: ApplicationFiled: October 17, 2023Publication date: April 25, 2024Inventor: SHOHEI IWATA
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Publication number: 20240081669Abstract: A drive circuit for measuring blood pressure that generates a first drive signal for driving a valve for opening and closing a flow path connected to a blood pressure measurement cuff and a second drive signal for driving a pump for supplying a fluid to the cuff. The first drive signal and the second drive signal are generated from a common power supply voltage supplied from a power source circuit. Envelopes thereof have a common shape changing at a same timing.Type: ApplicationFiled: November 16, 2023Publication date: March 14, 2024Inventors: Shohei IWATA, Takanori NISHIOKA
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Patent number: 11918327Abstract: A sphygmomanometer according to the present disclosure includes a main body that is mounted with a pump and is to be disposed on a dorsal surface of a wrist and a cuff that is to be attached around the wrist. The cuff extends along a circumferential direction of the wrist from an ulnar side end portion of the main body to a palmar surface and is set to a length covering an ulnar artery or a length covering a radial artery beyond the ulnar artery of a wrist having a preset maximum wrist circumference. A fluid is supplied from the pump to the cuff to press the wrist. A blood pressure is calculated based on a pressure of the fluid contained in the cuff.Type: GrantFiled: June 13, 2019Date of Patent: March 5, 2024Assignees: OMRON CORPORATION, OMRON HEALTHCARE CO., LTD.Inventors: Shohei Iwata, Takanori Nishioka, Akira Tampo, Yoshihiko Sano, Takeshi Kubo, Yu Higashimura
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Patent number: 11832922Abstract: A sphygmomanometer includes: a bag-shaped sensing cuff to be worn to wrap a measurement site; a back plate disposed on the sensing cuff along a surface opposite to the measurement site; a pressing member for pressing the back plate toward the measurement site; and a blood-pressure calculating part calculating a blood pressure based on a pressure of a fluid stored in the sensing cuff. Regarding a longitudinal direction perpendicular to a circumferential direction of the measurement site to be wrapped by the sensing cuff, a surface facing the measurement site in edge potions on both sides in a width direction along the longitudinal direction of the back plate is curved in a direction away from the measurement site toward tips.Type: GrantFiled: June 17, 2019Date of Patent: December 5, 2023Assignees: OMRON CORPORATION, OMRON HEALTHCARE CO., LTD.Inventors: Shohei Iwata, Takanori Nishioka, Akira Tampo, Yoshihiko Sano, Takeshi Kubo, Yu Higashimura
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Patent number: 11540733Abstract: A sphygmomanometer of the present invention includes a bag-shaped sensing cuff to be worn to wrap a measurement site, a back plate disposed on the sensing cuff along a surface opposite to the measurement site, a pressing member for pressing the back plate toward the measurement site, and a blood-pressure calculating part calculating a blood pressure based on a pressure of a fluid stored in the sensing cuff. Regarding a longitudinal direction perpendicular to a circumferential direction of the measurement site to be wrapped by the sensing cuff, a dimension of the back plate in a width direction along the longitudinal direction is larger than a dimension of the sensing cuff in the width direction.Type: GrantFiled: June 17, 2019Date of Patent: January 3, 2023Assignees: OMRON CORPORATION, OMRON HEALTHCARE CO., LTD.Inventors: Shohei Iwata, Takanori Nishioka, Akira Tampo, Yoshihiko Sano, Takeshi Kubo, Yu Higashimura
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Patent number: 11534072Abstract: A sphygmomanometer includes: a sensing cuff that includes a second sheet disposed to face the pressing member's inner circumferential surface and a first sheet facing the second sheet; a fluid storage control part providing a control of supplying and storing the pressure-transmitting fluid into sensing cuff in a worn state wherein the pressing member and sensing cuff are worn on the wrist; and a blood-pressure calculating part calculating a blood pressure based on a pressure of the pressure-transmitting fluid stored in the sensing cuff. The fluid storage control part supplies fluid in the worn state such that the first and second sheets are in contact with each other in a region corresponding to an ulna, a region corresponding to a radius, and a region corresponding to a tendon while first and second sheets are separated from each other in regions corresponding to two arteries that are radial and ulnar arteries.Type: GrantFiled: June 17, 2019Date of Patent: December 27, 2022Assignees: OMRON CORPORATION, OMRON HEALTHCARE CO., LTD.Inventors: Yu Higashimura, Takanori Nishioka, Akira Tampo, Yoshihiko Sano, Takeshi Kubo, Shohei Iwata
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Publication number: 20220371119Abstract: A double-sided friction stir welding method, methods for producing a cold-rolled steel strip and a coated steel strip, a double-sided friction stir welding apparatus, and facilities for producing a cold-rolled steel strip and a coated steel strip. The double-sided friction stir welding method includes pressing two rotating tools, which are disposed on a first surface and a second surface of a butt portion or overlap portion of the steel strips, against the butt portion or overlap portion of steel strips and moving the rotating tools in the welding direction while rotating the rotating tools in opposite directions to each other, so that an unwelded portion of the steel strips is softened by frictional heat generated between the rotating tools and the unwelded portion of the steel strips, and the softened portion is stirred with the rotating tools to generate plastic flow so as to weld the steel strips together.Type: ApplicationFiled: September 18, 2020Publication date: November 24, 2022Applicant: JFE STEEL CORPORATIONInventors: Muneo MATSUSHITA, Shohei IWATA, Yasushi KITANI
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Patent number: 11431084Abstract: A wireless communication device comprises: a substrate; an antenna circuit installed on the substrate; a communication circuit installed on the substrate electrically connected to the antenna circuit; and an energy supply unit installed on the substrate that supplies energy to the communication circuit, wherein the energy supply unit are installed on the substrate outside of a region defined around the antenna circuit; and the substrate is provided with a hole portion within the region, the hole portion passing through the substrate.Type: GrantFiled: July 28, 2020Date of Patent: August 30, 2022Assignees: OMRON Corporation, OMRON HEALTHCARE CO., LTD.Inventors: Hirokazu Tanaka, Hiroshi Miura, Shohei Iwata
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Patent number: 11329366Abstract: A wireless communication device comprising: a case having a substantially cylindrical shape and including a first opening at a front surface and a second opening at a back surface, respectively; a first cover member that blocks at least a portion of the first opening; a second cover member that blocks at least a portion of the second opening; an insulating member that fills a gap between the first cover member and the case; a display; a substrate housed by the case; an antenna circuit installed on the substrate; and a communication circuit installed on the substrate and electrically connected to the antenna circuit, wherein the case includes a metal material; and the first cover member includes a light-transmitting material that allows light from the display to pass through.Type: GrantFiled: July 28, 2020Date of Patent: May 10, 2022Assignees: OMRON CORPORATION, OMRON HEALTHCARE CO., LTD.Inventors: Hirokazu Tanaka, Hiroshi Miura, Shohei Iwata
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Publication number: 20200358168Abstract: A wireless communication device comprising: a case having a substantially cylindrical shape and including a first opening at a front surface and a second opening at a back surface, respectively; a first cover member that blocks at least a portion of the first opening; a second cover member that blocks at least a portion of the second opening; an insulating member that fills a gap between the first cover member and the case; a display; a substrate housed by the case; an antenna circuit installed on the substrate; and a communication circuit installed on the substrate and electrically connected to the antenna circuit, wherein the case includes a metal material; and the first cover member includes a light-transmitting material that allows light from the display to pass through.Type: ApplicationFiled: July 28, 2020Publication date: November 12, 2020Inventors: Hirokazu TANAKA, Hiroshi MIURA, Shohei IWATA
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Publication number: 20200358167Abstract: A wireless communication device comprises: a substrate; an antenna circuit installed on the substrate; a communication circuit installed on the substrate electrically connected to the antenna circuit; and an energy supply unit installed on the substrate that supplies energy to the communication circuit, wherein the energy supply unit are installed on the substrate outside of a region defined around the antenna circuit; and the substrate is provided with a hole portion within the region, the hole portion passing through the substrate.Type: ApplicationFiled: July 28, 2020Publication date: November 12, 2020Inventors: Hirokazu TANAKA, Hiroshi MIURA, Shohei IWATA
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Publication number: 20200223012Abstract: Provided is a laser-arc hybrid welding method that can considerably suppress spatter formation by controlling the transfer mode of droplets and that can reduce thermal effects and/or thermal deformation associated with welding by setting to a low welding current. The present invention is directed to a laser-arc hybrid welding method, where: a minimum diameter DMIN (mm) of droplets that are transferred from a steel welding wire to a molten pool generated by the gas-shielded arc welding satisfies DMIN?(P/15)+(1/2) relative to a power (kW) of a laser beam generated by the laser welding; and a maximum diameter DMAX (mm) of the droplets satisfies M?4DMAX/3 relative to a length M (mm) of an arc generated by the gas-shielded arc welding.Type: ApplicationFiled: September 18, 2018Publication date: July 16, 2020Applicant: JFE Steel CorporationInventors: Shohei Iwata, Yasuaki Okita, Yasushi Kitani
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Publication number: 20190374115Abstract: A sphygmomanometer includes: a sensing cuff that includes a second sheet disposed to face the pressing member's inner circumferential surface and a first sheet facing the second sheet; a fluid storage control part providing a control of supplying and storing the pressure-transmitting fluid into sensing cuff in a worn state wherein the pressing member and sensing cuff are worn on the wrist; and a blood-pressure calculating part calculating a blood pressure based on a pressure of the pressure-transmitting fluid stored in the sensing cuff. The fluid storage control part supplies fluid in the worn state such that the first and second sheets are in contact with each other in a region corresponding to an ulna, a region corresponding to a radius, and a region corresponding to a tendon while first and second sheets are separated from each other in regions corresponding to two arteries that are radial and ulnar arteries.Type: ApplicationFiled: June 17, 2019Publication date: December 12, 2019Applicants: OMRON CORPORATION, OMRON HEALTHCARE CO., LTD.Inventors: Yu HIGASHIMURA, Takanori NISHIOKA, Akira TAMPO, Yoshihiko SANO, Takeshi KUBO, Shohei IWATA