Patents by Inventor Yuichi Yui
Yuichi Yui 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: 12409408Abstract: Provided are a demister, an absorption liquid absorbing tower, and a demister production method that enable efficient collection of mist. A demister for collecting a mist containing CO2 absorption liquid, the demister comprising a plurality of laminates each including a first layer in which a plurality of linear structures having the axial direction aligned with a first direction are arranged in parallel to a second direction orthogonal to the first direction and a second layer in which a plurality of linear structures having the axial direction aligned with a direction different from the first direction are arranged in parallel in a direction orthogonal to said axial direction, wherein the laminates are stacked in a direction orthogonal to both the first and second directions.Type: GrantFiled: February 10, 2021Date of Patent: September 9, 2025Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yuichi Yui, Akihisa Okuda, Hidenori Kuriki, Shinya Kishimoto, Keisuke Iwakura, Takeyasu Tarumi
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Patent number: 12275223Abstract: A joint member according to at least one embodiment of the present disclosure includes a resin member, and a metal member which includes a base material, and a cubic lattice part formed on a surface of the base material and embedded with the resin member. The cubic lattice part includes a plurality of lattice points and a plurality of arms connecting the lattice points, respectively. Of the plurality of lattice points, an outermost lattice point far from the surface of the base material includes at least three lattice points forming an inclined surface with respect to the surface.Type: GrantFiled: June 22, 2021Date of Patent: April 15, 2025Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Takahiro Tachibana, Ryouji Okabe, Masami Kamiya, Yasunori Watanabe, Koichi Hasegawa, Yuichi Yui, Akihisa Okuda
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Patent number: 12076945Abstract: A method for molding a composite material includes arranging a prepreg on a jig molding surface of a jig for molding. The method includes sealing a first endless seal region that surrounds the prepreg is formed by bonding a resin bag and the jig molding surface by a first sealing material and a second endless seal region that surrounds the prepreg and is positioned outside the first seal region is formed by bonding a resin bag and the jig molding surface by a second sealing material. The method includes depressurizing a first space inside the first seal region and a second space between the first seal region and the second seal region are depressurized. The method includes thermally curing the prepreg by supplying a water vapor into the internal space of a pressure vessel, while holding the pressure vessel in a sealed state.Type: GrantFiled: March 19, 2020Date of Patent: September 3, 2024Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yuichi Yui, Akihisa Okuda
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Patent number: 12059852Abstract: A composite material molding method includes a first disposition step for disposing a prepreg on a jig molding surface of a molding jig; a first sealing step for airtightly sealing the prepreg by covering the prepreg with a first resin bag; a second disposition step for disposing a breather so as to cover the first resin bag; a second sealing step for airtightly sealing the breather so as to cover the breather with a second resin bag; a first depressurization step for depressurizing a first space sealed by the first resin bag; a second depressurization step for depressurizing a second space sealed by the second resin bag; and a heat-curing step for heat-curing the prepreg by supplying the internal space of a pressure vessel with a steam with a predetermined temperature and a predetermined pressure.Type: GrantFiled: June 6, 2019Date of Patent: August 13, 2024Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yuichi Yui, Akihisa Okuda, Masahiko Shimizu, Yuki Kani, Akihiro Terasaka
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Publication number: 20240238719Abstract: Provided is a mist discharge device configured to discharge a mist trapped by a demister, in which the demister is disposed in a gas flow path allowing gas to flow from the lower side to the upper side in the vertical direction, has a lower side serving as an inlet side of the gas and an upper side serving as an outlet side of the gas, and is configured to trap the mist contained in the gas, and the mist discharge device includes a protrusion protruding downward from the inlet side of the demister. The protrusion is a plate-like member extending downward, and a plurality of the plate-like members are disposed to be horizontally spaced at predetermined intervals.Type: ApplicationFiled: April 6, 2022Publication date: July 18, 2024Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yuichi Yui, Jiro Yoneda, Koki Ito, Takuya Hirata
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Patent number: 12017424Abstract: A fitting method is for fitting a material to be repaired and a repair patch to be adhesively bonded to the material at adhesive surfaces, each adhesive surface having at least two or more of curved portions. The fitting method includes measuring a shape of the material; measuring a shape of the repair patch; dividing repair patch shape measurement data acquired at measuring the shape of repair patch into pieces of divided data each including one or less of the curved portions; performing, at the adhesive surfaces, fitting processing of the pieces of divided data acquired at dividing the repair patch shape measurement data to material-to-be-repaired shape measurement data acquired at measuring the shape of material; and calculating a gap amount between the material-to-be-repaired shape measurement data and repair patch shape fitting data acquired from the fitting processing at the adhesive surfaces.Type: GrantFiled: February 28, 2020Date of Patent: June 25, 2024Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yuichi Yui, Akihiro Terasaka, Kenji Wada, Yoshifusa Tobata, Koichi Hasegawa, Yasunobu Ishida
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Publication number: 20230128116Abstract: Provided are a demister, an absorption liquid absorbing tower, and a demister production method that enable efficient collection of mist. A demister for collecting a mist containing CO2 absorption liquid, the demister comprising a plurality of laminates each including a first layer in which a plurality of linear structures having the axial direction aligned with a first direction are arranged in parallel to a second direction orthogonal to the first direction and a second layer in which a plurality of linear structures having the axial direction aligned with a direction different from the first direction are arranged in parallel in a direction orthogonal to said axial direction, wherein the laminates are stacked in a direction orthogonal to both the first and second directions.Type: ApplicationFiled: February 10, 2021Publication date: April 27, 2023Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yuichi YUI, Akihisa OKUDA, Hidenori KURIKI, Shinya KISHIMOTO, Keisuke IWAKURA, Takeyasu TARUMI
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Publication number: 20220258438Abstract: A method for molding a composite material includes arranging a prepreg on a jig molding surface of a jig for molding. The method includes sealing a first endless seal region that surrounds the prepreg is formed by bonding a resin bag and the jig molding surface by a first sealing material and a second endless seal region that surrounds the prepreg and is positioned outside the first seal region is formed by bonding a resin bag and the jig molding surface by a second sealing material. The method includes depressurizing a first space inside the first seal region and a second space between the first seal region and the second seal region are depressurized. The method includes thermally curing the prepreg by supplying a water vapor into the internal space of a pressure vessel, while holding the pressure vessel in a sealed state.Type: ApplicationFiled: March 19, 2020Publication date: August 18, 2022Inventors: Yuichi YUI, Akihisa OKUDA
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Publication number: 20220176659Abstract: A fitting method is for fitting a material to be repaired and a repair patch to be adhesively bonded to the material at adhesive surfaces, each adhesive surface having at least two or more of curved portions. The fitting method includes measuring a shape of the material; measuring a shape of the repair patch; dividing repair patch shape measurement data acquired at measuring the shape of repair patch into pieces of divided data each including one or less of the curved portions; performing, at the adhesive surfaces, fitting processing of the pieces of divided data acquired at dividing the repair patch shape measurement data to material-to-be-repaired shape measurement data acquired at measuring the shape of material; and calculating a gap amount between the material-to-be-repaired shape measurement data and repair patch shape fitting data acquired from the fitting processing at the adhesive surfaces.Type: ApplicationFiled: February 28, 2020Publication date: June 9, 2022Inventors: Yuichi YUI, Akihiro TERASAKA, Kenji WADA, Yoshifusa TOBATA, Koichi HASEGAWA, Yasunobu ISHIDA
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Publication number: 20220143935Abstract: A composite material molding method includes a first disposition step for disposing a prepreg on a jig molding surface of a molding jig; a first sealing step for airtightly sealing the prepreg by covering the prepreg with a first resin bag; a second disposition step for disposing a breather so as to cover the first resin bag; a second sealing step for airtightly sealing the breather so as to cover the breather with a second resin bag; a first depressurization step for depressurizing a first space sealed by the first resin bag; a second depressurization step for depressurizing a second space sealed by the second resin bag; and a heat-curing step for heat-curing the prepreg by supplying the internal space of a pressure vessel with a steam with a predetermined temperature and a predetermined pressure.Type: ApplicationFiled: June 6, 2019Publication date: May 12, 2022Inventors: Yuichi YUI, Akihisa OKUDA, Masahiko SHIMIZU, Yuki KANI, Akihiro TERASAKA
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Publication number: 20210404497Abstract: A joint member according to at least one embodiment of the present disclosure includes a resin member, and a metal member which includes a base material, and a cubic lattice part formed on a surface of the base material and embedded with the resin member. The cubic lattice part includes a plurality of lattice points and a plurality of arms connecting the lattice points, respectively. Of the plurality of lattice points, an outermost lattice point far from the surface of the base material includes at least three lattice points forming an inclined surface with respect to the surface.Type: ApplicationFiled: June 22, 2021Publication date: December 30, 2021Inventors: Takahiro TACHIBANA, Ryouji OKABE, Masami KAMIYA, Yasunori WATANABE, Koichi HASEGAWA, Yuichi YUI, Akihisa OKUDA
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Patent number: 11084227Abstract: A method for performing thermo-fusion additive fabrication so as to allow the fusion with a member shaped by an arbitrary method, a method allowing a thermo-fusion additive fabrication object to be surely fused with another member, and a structure at least partially including the thermo-fusion additive fabrication object are provided. A method for performing thermo-fusion additive fabrication such that fusion can be performed on a shaped member even afterward includes: a step of providing a near infrared ray absorption material on the member by the thermo-fusion additive fabrication, the near infrared ray absorption material containing a near infrared ray absorption agent that absorbs a near infrared ray and a resin in which the near infrared ray absorption agent is dispersed; and a step of providing a thermoplastic resin material on the near infrared ray absorption material by the thermo-fusion additive fabrication.Type: GrantFiled: March 28, 2019Date of Patent: August 10, 2021Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventor: Yuichi Yui
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Patent number: 10717243Abstract: Provided is a preform member bonding method of bonding a preform member and another member with an adhesive in an RTM process. The preform member bonding method includes increasing viscosity of the adhesive by heat-treating only the adhesive in advance before inserting the adhesive between bonding surfaces of the preform member and the other member.Type: GrantFiled: April 26, 2016Date of Patent: July 21, 2020Assignee: MITSUBISHI AIRCRAFT CORPORATIONInventors: Yuichi Yui, Akihisa Okuda, Hiromichi Akiyama
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Patent number: 10618229Abstract: In a molding method using a VaRTM process in which a workpiece is impregnated with resin in a vacuum, the flow channel resistance or the thickness of which is not constant, an air-permeable sheet only permeable to gas and not permeable to resin (liquid) is arranged at the bottom surface of the workpiece to cover the total length of the workpiece in a direction in which the flow channel resistance or the thickness of the workpiece varies, to impregnate the resin.Type: GrantFiled: April 26, 2016Date of Patent: April 14, 2020Assignee: MITSUBISHI AIRCRAFT CORPORATIONInventors: Yuichi Yui, Hiroshi Tokutomi
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Publication number: 20190299539Abstract: A method for performing thermo-fusion additive fabrication so as to allow the fusion with a member shaped by an arbitrary method, a method allowing a thermo-fusion additive fabrication object to be surely fused with another member, and a structure at least partially including the thermo-fusion additive fabrication object are provided. A method for performing thermo-fusion additive fabrication such that fusion can be performed on a shaped member even afterward includes: a step of providing a near infrared ray absorption material on the member by the thermo-fusion additive fabrication, the near infrared ray absorption material containing a near infrared ray absorption agent that absorbs a near infrared ray and a resin in which the near infrared ray absorption agent is dispersed; and a step of providing a thermoplastic resin material on the near infrared ray absorption material by the thermo-fusion additive fabrication.Type: ApplicationFiled: March 28, 2019Publication date: October 3, 2019Inventor: Yuichi YUI
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Patent number: 9993949Abstract: Provided is a preform member bonding method, in a RTM process, for bonding a preform member and another member (a preform member or a hardened member) together with an adhesive. The preform member bonding method includes: beforehand obtaining data on a range of a level of progress in hardening of the adhesive which allows the adhesive to penetrate the preform member, and data on a range of the level of progress in the hardening of the adhesive which decreases bonding strength of the adhesive; and controlling the level of progress in the hardening of the adhesive by heat-treating the adhesive based on these data, before the preform member comes into contact with the adhesive.Type: GrantFiled: April 26, 2016Date of Patent: June 12, 2018Assignee: MITSUBISHI AIRCRAFT CORPORATIONInventors: Yuichi Yui, Akihisa Okuda, Hiromichi Akiyama
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Publication number: 20160346973Abstract: Provided is a preform member bonding method of bonding a preform member and another member with an adhesive in an RTM process. The preform member bonding method includes increasing viscosity of the adhesive by heat-treating only the adhesive in advance before inserting the adhesive between bonding surfaces of the preform member and the other member.Type: ApplicationFiled: April 26, 2016Publication date: December 1, 2016Inventors: Yuichi Yui, Akihisa Okuda, Hiromichi Akiyama
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Publication number: 20160346963Abstract: Provided is a preform member bonding method, in a RTM process, for bonding a preform member and another member (a preform member or a hardened member) together with an adhesive. The preform member bonding method includes: beforehand obtaining data on a range of a level of progress in hardening of the adhesive which allows the adhesive to penetrate the preform member, and data on a range of the level of progress in the hardening of the adhesive which decreases bonding strength of the adhesive; and controlling the level of progress in the hardening of the adhesive by heat-treating the adhesive based on these data, before the preform member comes into contact with the adhesive.Type: ApplicationFiled: April 26, 2016Publication date: December 1, 2016Inventors: Yuichi Yui, Akihisa Okuda, Hiromichi Akiyama
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Publication number: 20160347008Abstract: In a molding method using a VaRTM process in which a workpiece is impregnated with resin in a vacuum, the flow channel resistance or the thickness of which is not constant, an air-permeable sheet only permeable to gas and not permeable to resin (liquid) is arranged at the bottom surface of the workpiece to cover the total length of the workpiece in a direction in which the flow channel resistance or the thickness of the workpiece varies, to impregnate the resin.Type: ApplicationFiled: April 26, 2016Publication date: December 1, 2016Inventors: Yuichi Yui, Hiroshi Tokutomi