Patents by Inventor Toshihiro Fukui
Toshihiro Fukui 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: 20240123513Abstract: A cutting tool is a cutting tool comprising a substrate and a coating film disposed on the substrate, in which the coating film includes a first layer, the first layer is composed of an alternate layer where a first unit layer and a second unit layer are alternately stacked, the first unit layer is composed of AlaCr1-a-bCebN, a is 0.400 or more and 0.800 or less, b is 0.001 or more and 0.100 or less, the second unit layer is composed of TicSi1-cN, and c is 0.200 or more and 0.990 or less.Type: ApplicationFiled: October 14, 2022Publication date: April 18, 2024Applicant: Sumitomo Electric Industries, Ltd.Inventors: Haruyo FUKUI, Nozomi TSUKIHARA, Anongsack PASEUTH, Toshihiro TABATA
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Publication number: 20240123514Abstract: A cutting tool is a cutting tool comprising a substrate and a coating film disposed on the substrate, in which the coating film includes a first layer, the first layer is composed of an alternative layer where a first unit layer and a second unit layer are alternately stacked, the first unit layer is composed of AlaCr1-a-bCebN, a is more than 0.500 and 0.800 or less, b is 0.001 or more and 0.100 or less, the second unit layer is composed of AlcV1-cN, c is 0.10 or more and 0.75 or less, and a and c satisfy a relationship of a>c.Type: ApplicationFiled: October 14, 2022Publication date: April 18, 2024Applicant: Sumitomo Electric Industries, Ltd.Inventors: Haruyo FUKUI, Nozomi TSUKIHARA, Anongsack PASEUTH, Toshihiro TABATA
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Publication number: 20240100603Abstract: A cutting tool is a cutting tool comprising a substrate and a coating film disposed on the substrate, in which the coating film includes a first layer, the first layer is composed of an alternate layer where a first unit layer and a second unit layer are alternately stacked, the first unit layer is composed of Ti1-a-bAlaCebN, a is between greater than or equal to 0.350 and equal to or less than 0.650, b is between greater than or equal to 0.001 and equal to or less than 0.100, the second unit layer is composed of TicSi1-cN, and c is between greater than or equal to 0.20 and equal to or less than 0.99.Type: ApplicationFiled: September 22, 2022Publication date: March 28, 2024Applicant: Sumitomo Electric Industries, Ltd.Inventors: Haruyo FUKUI, Nozomi TSUKIHARA, Anongsack PASEUTH, Toshihiro TABATA
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Publication number: 20240100606Abstract: A cutting tool is a cutting tool comprising a substrate and a coating film disposed on the substrate, in which the coating film includes a first layer, the first layer is composed of an alternate layer where a first unit layer and a second unit layer are alternately stacked, the first unit layer is composed of Ti1-a-bAlaCebN, a is 0.350 or more and 0.650 or less, b is 0.001 or more and 0.100 or less, the second unit layer is composed of AlcV1-cN, c is 0.40 or more and 0.75 or less, and a and c satisfy a relationship of c>a.Type: ApplicationFiled: September 22, 2022Publication date: March 28, 2024Applicant: Sumitomo Electric Industries, Ltd.Inventors: Haruyo FUKUI, Nozomi TSUKIHARA, Anongsack PASEUTH, Toshihiro TABATA
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Publication number: 20240102173Abstract: A cutting tool is a cutting tool comprising a substrate and a coating film disposed on the substrate, in which the coating film includes a first layer, the first layer is composed of an alternate layer where a first unit layer and a second unit layer are alternately stacked, the first unit layer is composed of Ti1-a-bAlaCebN, a is 0.350 or more and 0.650 or less, b is 0.001 or more and 0.100 or less, the second unit layer is composed of AlcCr1-cN, c is 0.40 or more and 0.75 or less, and a and c satisfy a relationship of c>a.Type: ApplicationFiled: September 22, 2022Publication date: March 28, 2024Applicant: Sumitomo Electric Industries, Ltd.Inventors: Haruyo FUKUI, Nozomi TSUKIHARA, Anongsack PASEUTH, Toshihiro TABATA
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Patent number: 11919128Abstract: A method for processing a ceramic honeycomb structure, the method comprising subjecting an outer peripheral surface of the ceramic honeycomb structure to centerless grinding in an in-feed mode by bringing a rotationally driving grinding wheel into contact with the outer peripheral surface of the ceramic honeycomb structure rotationally supported by an adjusting wheel, a blade, and a press roller.Type: GrantFiled: January 15, 2020Date of Patent: March 5, 2024Assignee: NGK INSULATORS, LTD.Inventors: Toshihiro Fukui, Yasunobu Tanaka
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Patent number: 11801564Abstract: A perforating apparatus for a cylindrical workpiece, including: a cradle having a groove extending in one direction horizontally from one end to another end; a stopper provided at the one end of the groove; a drill disposed vertically above the groove and movable at least in vertical direction, having a drill bit that extends vertically; and a chuck having a pair of opposing grippers movable toward each other in a horizontal direction perpendicular to the direction in which the groove extends, and symmetrically with respect to a rotation axis of the drill bit, each of the grippers further having a pair of vertically symmetric inclined surfaces expanding upwards and downwards.Type: GrantFiled: March 17, 2020Date of Patent: October 31, 2023Assignee: NGK INSULATORS, LTD.Inventors: Toshihiro Fukui, Hideaki Ito
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Patent number: 11542205Abstract: A manufacturing method of a honeycomb structure including: a dry mixing step of dry-mixing raw materials to form the honeycomb structure by a batch treatment, a wet mixing step of adding a liquid including at least one selected from the group consisting of water, a surfactant, a lubricant and a plasticizer to a dry mixture obtained in the dry mixing step, to perform wet mixing, a kneading step of kneading a wet mixture obtained in the wet mixing step, and a forming step of extruding a forming material prepared in the kneading step, wherein in the dry mixing step, a used forming material passed through the forming step is added as a part of the raw material, to perform dry mixing, and the kneading step includes a liquid re-adding step of further adding the liquid in a process of kneading the wet mixture.Type: GrantFiled: March 12, 2018Date of Patent: January 3, 2023Assignee: NGK Insulators, Ltd.Inventors: Makoto Nakajo, Toshihiro Fukui
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Publication number: 20200306843Abstract: A perforating apparatus for a cylindrical workpiece, including: a cradle having a groove extending in one direction horizontally from one end to another end; a stopper provided at the one end of the groove; a drill disposed vertically above the groove and movable at least in vertical direction, having a drill bit that extends vertically; and a chuck having a pair of opposing grippers movable toward each other in a horizontal direction perpendicular to the direction in which the groove extends, and symmetrically with respect to a rotation axis of the drill bit, each of the grippers further having a pair of vertically symmetric inclined surfaces expanding upwards and downwards.Type: ApplicationFiled: March 17, 2020Publication date: October 1, 2020Applicant: NGK INSULATORS, LTD.Inventors: Toshihiro FUKUI, Hideaki ITO
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Publication number: 20200238470Abstract: A method for processing a ceramic honeycomb structure, the method comprising subjecting an outer peripheral surface of the ceramic honeycomb structure to centerless grinding in an in-feed mode by bringing a rotationally driving grinding wheel into contact with the outer peripheral surface of the ceramic honeycomb structure rotationally supported by an adjusting wheel, a blade, and a press roller.Type: ApplicationFiled: January 15, 2020Publication date: July 30, 2020Applicant: NGK INSULATORS, LTD.Inventors: Toshihiro FUKUI, Yasunobu TANAKA
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Patent number: 10677702Abstract: The method of predicting a formed body density includes: a correlation calculating step of obtaining the correlation between the formed body density of the formed body and the porosity of the fired body; and a formed body density predicting step including: in a case of preparing a kneaded material A from a ceramic raw material having substantially the same composition as a ceramic raw material used for preparing a kneaded material, preparing a formed body B by forming the kneaded material A, preparing a dried body C by drying the formed body B, and preparing a fired body D having a desired porosity by firing the dried body C, calculating a predicted value of the formed body density of the formed body B corresponding to the desired porosity of the fired body D using the correlation.Type: GrantFiled: March 17, 2017Date of Patent: June 9, 2020Assignee: NGK Insulators, Ltd.Inventor: Toshihiro Fukui
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Patent number: 10576609Abstract: A manufacturing method of the honeycomb structure uses a grinding wheel having a coarse abrasive grain layer and a pair of fine abrasive grain layers sintered and secured to be formed on both sides of the coarse abrasive grain layer, and has a grinding wheel rotating step of rotating the pair of grinding wheels disposed via a predetermined space in a state where fine abrasive grain layers of the grinding wheels face each other; a conveying step of conveying a honeycomb formed body formed by extrusion and the like; an end face grinding step of grinding end faces of the conveyed honeycomb formed body with the rotating grinding wheels; and a firing step of firing the honeycomb formed body.Type: GrantFiled: February 19, 2016Date of Patent: March 3, 2020Assignee: NGK Insulators, Ltd.Inventors: Nobuyuki Umetsu, Toshihiro Fukui, Nobuchika Noguchi
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Patent number: 10265881Abstract: The manufacturing method of the honeycomb structure includes a mounting step of mounting an extruded honeycomb formed body on a firing setter disposed on a shelf plate, and a firing step of firing the honeycomb formed body mounted on the firing setter to form the honeycomb structure, and in the mounting step, the firing setter is used in which a value obtained by dividing an area of a formed body end face of the honeycomb formed body by an area of a honeycomb mounting surface of the firing setter which faces the formed body end face and at least a part of which comes in contact with the formed body end face is in a range of 2.5 to 20.0.Type: GrantFiled: February 16, 2017Date of Patent: April 23, 2019Assignee: NGK Insulators, Ltd.Inventors: Daniel Yukichi Kitaguchi, Toshihiro Fukui
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Publication number: 20180273433Abstract: A manufacturing method of a honeycomb structure including: a dry mixing step of dry-mixing raw materials to form the honeycomb structure by a batch treatment, a wet mixing step of adding a liquid including at least one selected from the group consisting of water, a surfactant, a lubricant and a plasticizer to a dry mixture obtained in the dry mixing step, to perform wet mixing, a kneading step of kneading a wet mixture obtained in the wet mixing step, and a forming step of extruding a forming material prepared in the kneading step, wherein in the dry mixing step, a used forming material passed through the forming step is added as a part of the raw material, to perform dry mixing, and the kneading step includes a liquid re-adding step of further adding the liquid in a process of kneading the wet mixture.Type: ApplicationFiled: March 12, 2018Publication date: September 27, 2018Applicant: NGK INSULATORS, LTD.Inventors: Makoto NAKAJO, Toshihiro FUKUI
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Patent number: 10046430Abstract: The end face grinding method includes a structure rotating step of rotating a honeycomb structure based on a rotation axis in a direction orthogonal to the end face of the honeycomb structure, a grinding wheel reverse rotating step of using a grinding wheel disposed so that a grinding surface faces the end face and rotating the grinding wheel in a reverse rotating direction to a rotating direction of the honeycomb structure based on a rotation axis in the direction orthogonal to the end face; and a dry type grinding step of bringing the grinding wheel rotating in the reverse direction close to the rotating honeycomb structure to perform the dry type grinding of the end face.Type: GrantFiled: January 6, 2016Date of Patent: August 14, 2018Assignee: NGK Insulators, Ltd.Inventors: Toshihiro Fukui, Nobuyuki Umetsu, Nobuchika Noguchi
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Publication number: 20170284917Abstract: The method of predicting a formed body density includes: a correlation calculating step of obtaining the correlation between the formed body density of the formed body and the porosity of the fired body; and a formed body density predicting step including: in a case of preparing a kneaded material A from a ceramic raw material having substantially the same composition as a ceramic raw material used for preparing a kneaded material, preparing a formed body B by forming the kneaded material A, preparing a dried body C by drying the formed body B, and preparing a fired body D having a desired porosity by firing the dried body C, calculating a predicted value of the formed body density of the formed body B corresponding to the desired porosity of the fired body D using the correlation.Type: ApplicationFiled: March 17, 2017Publication date: October 5, 2017Applicant: NGK INSULATORS, LTD.Inventor: Toshihiro FUKUI
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Publication number: 20170274365Abstract: The manufacturing method of the honeycomb structure includes a mounting step of mounting an extruded honeycomb formed body on a firing setter disposed on a shelf plate, and a firing step of firing the honeycomb formed body mounted on the firing setter to form the honeycomb structure, and in the mounting step, the firing setter is used in which a value obtained by dividing an area of a formed body end face of the honeycomb formed body by an area of a honeycomb mounting surface of the firing setter which faces the formed body end face and at least a part of which comes in contact with the formed body end face is in a range of 2.5 to 20.0.Type: ApplicationFiled: February 16, 2017Publication date: September 28, 2017Applicant: NGK INSULATORS, LTD.Inventors: Daniel Yukichi KITAGUCHI, Toshihiro FUKUI
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Publication number: 20160263728Abstract: A manufacturing method of the honeycomb structure uses a grinding wheel having a coarse abrasive grain layer and a pair of fine abrasive grain layers sintered and secured to be formed on both sides of the coarse abrasive grain layer, and has a grinding wheel rotating step of rotating the pair of grinding wheels disposed via a predetermined space in a state where fine abrasive grain layers of the grinding wheels face each other; a conveying step of conveying a honeycomb formed body formed by extrusion and the like; an end face grinding step of grinding end faces of the conveyed honeycomb formed body with the rotating grinding wheels; and a firing step of firing the honeycomb formed body.Type: ApplicationFiled: February 19, 2016Publication date: September 15, 2016Inventors: Nobuyuki UMETSU, Toshihiro FUKUI, Nobuchika NOGUCHI
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Publication number: 20160207158Abstract: The end face grinding method includes a structure rotating step of rotating a honeycomb structure based on a rotation axis in a direction orthogonal to the end face of the honeycomb structure, a grinding wheel reverse rotating step of using a grinding wheel disposed so that a grinding surface faces the end face and rotating the grinding wheel in a reverse rotating direction to a rotating direction of the honeycomb structure based on a rotation axis in the direction orthogonal to the end face; and a dry type grinding step of bringing the grinding wheel rotating in the reverse direction close to the rotating honeycomb structure to perform the dry type grinding of the end face.Type: ApplicationFiled: January 6, 2016Publication date: July 21, 2016Inventors: Toshihiro FUKUI, Nobuyuki UMETSU, Nobuchika NOGUCHI
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Patent number: 9387621Abstract: A conveyance receiver for a honeycomb formed body is a conveyance receiver where a pillar, clayey honeycomb formed body extruded from a die is placed with its central axis set horizontally and moves on a conveyance path to convey the honeycomb formed body to a next process, and the conveyance receiver includes a concaved surface concaved to both end faces parallel to a surface perpendicular to the central axis of the honeycomb formed body to be placed, and that is a surface in contact with a side surface of the honeycomb formed body to be conveyed; and a receiver main body constituted of a plurality of members, and coupling means that couples the members to one another, and the receiver main body at least has a first member at the one end face side and a second member at the other end face side as the members.Type: GrantFiled: February 20, 2015Date of Patent: July 12, 2016Assignee: NGK Insulators, Ltd.Inventors: Toshihiro Fukui, Daiki Kato