Patents by Inventor Hiroyuki Nagaoka
Hiroyuki Nagaoka 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).
-
Patent number: 11958118Abstract: An insert includes a cBN sintered compact including cBN particles and a binder phase binding the cBN particles. The cBN particles occupy 60% or more of the cross-sectional area of the cBN sintered compact. The binder phase contains Al compound particles containing at least one of AlN or Al2O3. A particle distribution of the Al compound particles in a cumulative distribution based on the number of the Al compound particles in a cross section of the cBN sintered compact is as follows. The proportion of the Al compound particles with the particle diameter of 0.3 ?m or larger is 5% or more, and the proportion of the Al compound particles with the particle diameter of 0.5 ?m or larger is less than 5%.Type: GrantFiled: June 23, 2021Date of Patent: April 16, 2024Assignee: KYOCERA CORPORATIONInventors: Futoshi Isobe, Hiroyuki Nanahara, Yusuke Nagaoka
-
Publication number: 20230389585Abstract: Provided is a granular food that contains a fat or oil at a high concentration, yet has a high fluidity suitable for filling containers, and is capable of forming oil droplets when hot water is poured thereto. A granular food according to one embodiment of the present invention comprises (A) at least one fatty acid ester selected from the group consisting of a (poly)glycerol fatty acid ester having an average degree of polymerization in the glycerol moiety of 1-8 and a sucrose fatty acid ester having an HLB value of 8 or less, (B) a polyol, (C) a fat or oil and (D) a food material. In this granular food, the sum of angle of repose and angle of collapse is 87° or less and the compressibility is 15% or less.Type: ApplicationFiled: October 5, 2021Publication date: December 7, 2023Applicant: SANYO FOODS CO., LTD.Inventor: Hiroyuki NAGAOKA
-
Publication number: 20230382188Abstract: A heater element for heating a vehicle interior includes: a honeycomb structure comprising: an outer peripheral wall; and a partition wall disposed on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells each forming a flow path from a first end face to a second end face, the outer peripheral wall and the partition wall comprising a material having a PTC property; and a pair of electrodes provided on the first end face and the second end face. Each of the first end face and the second end face of the honeycomb structure is rectangular. The heater element for heating the vehicle interior further includes a pair of connectors, each of the connectors being connected to the electrode from one short side of each of the first end face and the second end face.Type: ApplicationFiled: April 27, 2023Publication date: November 30, 2023Applicant: NGK INSULATORS, LTD.Inventors: Yukio MIYAIRI, Masaaki MASUDA, Hirofumi YAMAGUCHI, Toru HAYASE, Hiroyuki NAGAOKA
-
Patent number: 11048836Abstract: A method for producing a porous body, comprising a raw-material mixing step of mixing talc having an average particle size of 1 ?m or more and 18 ?m or less, alumina, an auxiliary raw material containing a material that undergoes a eutectic reaction with talc and being prepared in an amount so as to satisfy a weight ratio of 0.5% or more and 1.5% or less by weight relative to the talc, and a pore-forming agent, to provide green body, and a molding and firing step of molding the green body to provide a compact and firing this compact at a firing temperature of 1350° C. to 1440° C.Type: GrantFiled: May 18, 2018Date of Patent: June 29, 2021Assignee: NGK Insulators, Ltd.Inventors: Satoshi Sakashita, Hiroyuki Nagaoka, Takehide Shimoda
-
Patent number: 11035268Abstract: A method for regenerating an exhaust gas filter on which soot is deposited, including sequentially conducting: a step 1 of impregnating the filter with a liquid having 50% by mass or more of a component having a boiling point of 550° C. or less when an ambient temperature in the filter is at least 40° C. lower than the boiling point; a step 2 of raising the ambient temperature in the filter after the impregnation to a temperature equal to or higher than the boiling point of the component; and a step 3 of supplying an oxygen-containing gas at a temperature exceeding 550° C. to the filter to burn the soot.Type: GrantFiled: February 27, 2020Date of Patent: June 15, 2021Assignee: NGK Insulators, Ltd.Inventors: Yukio Miyairi, Hiroyuki Nagaoka, Tomoya Fujii
-
Publication number: 20200309003Abstract: A method for regenerating an exhaust gas filter on which soot is deposited, including sequentially conducting: a step 1 of impregnating the filter with a liquid having 50% by mass or more of a component having a boiling point of 550° C. or less when an ambient temperature in the filter is at least 40 ° C. lower than the boiling point; a step 2 of raising the ambient temperature in the filter after the impregnation to a temperature equal to or higher than the boiling point of the component; and a step 3 of supplying an oxygen-containing gas at a temperature exceeding 550° C. to the filter to burn the soot.Type: ApplicationFiled: February 27, 2020Publication date: October 1, 2020Applicant: NGK INSULATORS, LTD.Inventors: Yukio MIYAIRI, Hiroyuki NAGAOKA, Tomoya FUJII
-
Patent number: 10414065Abstract: A method for manufacturing a honeycomb structure according to the present invention is a method for manufacturing a honeycomb structure provided with partitions forming a plurality of cells. This manufacturing method includes a structure formation process including a pore-forming material placement step of placing a pore-forming material for forming pores in the partitions, a raw material placement step of placing tabular grains and raw material grains such that the tabular grains are arranged in a predetermined direction with respect to the partition surfaces while the tabular grains and the raw material grains constitute a raw material for forming the partitions, and a sintering step of sintering the placed raw material. The honeycomb structure is produced by repeating the structure formation process a plurality of times.Type: GrantFiled: September 7, 2016Date of Patent: September 17, 2019Assignee: NGK Insulators, Ltd.Inventors: Satoshi Sakashita, Hiroyuki Nagaoka
-
Patent number: 10232361Abstract: A honeycomb structural body 20 comprises a porous partition portion 22 which forms a plurality of cells each functioning as a flow path of a fluid, and in the partition portion 22, the average pore diameter is 10 to 20 ?m, and a wet area rate R (=S/V) which is the rate of a wet area S of pores to a volume V of the partition portion 22 is 0.000239 ?m?1 or more.Type: GrantFiled: March 25, 2016Date of Patent: March 19, 2019Assignee: NGK Insulators, Ltd.Inventors: Shogo Hirose, Hirotaka Yamamoto, Shiori Nakao, Shuji Ueda, Mitsuharu Ono, Satoshi Sakashita, Hiroyuki Nagaoka
-
Patent number: 10099166Abstract: A porous body constituting a porous partition wall 44 of a honeycomb filter 30 has a porosity P of 20% to 60%, a permeability k of 1 ?m2 or more and satisfies k?0.2823 P?10.404. The porous body is obtained by a method for producing, for example, includes (a) a step of acquiring porous body data representing a temporary porous body having porosity higher than target porosity, (b) a step of deriving information about a flow rate for each space voxel during passage of a fluid through inside of the porous body, (c) a step of preferentially replacing the voxel having a low flow rate among the space voxels with the object voxel, and adjusting the porosity of the porous body data to the target porosity, and (d) a step of forming a porous body based on the porous body data after replacement.Type: GrantFiled: March 25, 2015Date of Patent: October 16, 2018Assignee: NGK Insulators, Ltd.Inventors: Satoshi Sakashita, Hiroyuki Nagaoka
-
Publication number: 20180268094Abstract: A method for producing a porous body, comprising a raw-material mixing step of mixing talc having an average particle size of 1 ?m or more and 18 ?m or less, alumina, an auxiliary raw material containing a material that undergoes a eutectic reaction with talc and being prepared in an amount so as to satisfy a weight ratio of 0.5% or more and 1.5% or less by weight relative to the talc, and a pore-forming agent, to provide green body, and a molding and firing step of molding the green body to provide a compact and firing this compact at a firing temperature of 1350° C. to 1440° C.Type: ApplicationFiled: May 18, 2018Publication date: September 20, 2018Applicant: NGK Insulators, Ltd.Inventors: Satoshi SAKASHITA, Hiroyuki NAGAOKA, Takehide SHIMODA
-
Patent number: 9982242Abstract: Provided are: a protein complex capable of selectively and asymmetrically oxidizing an enantiomer of a secondary alcohol without adding a coenzyme and having an asymmetric oxidation activity in a water-soluble solvent system in the presence of oxygen; a method for producing the same; and a method for coating the protein complex with a high molecular weight compound. The method for producing the protein complex includes: (1) enclosing a crude water-soluble protein in a gel, air-oxidizing the gel, and eluting the protein complex into an aqueous solution; and (2) applying gravity to concentrate and precipitate the protein complex, redissolving the precipitate in an aqueous glycine sodium hydroxide solution of about 0.5 mM and allowing the same to homogeneously coexist with a high molecular weight compound, and re-precipitating the solution and dehydrating and drying the same to yield a protein complex coated with a high molecular weight compound.Type: GrantFiled: November 8, 2013Date of Patent: May 29, 2018Assignee: SANYO FOODS CO., LTD.Inventor: Hiroyuki Nagaoka
-
Patent number: 9953419Abstract: A method for analyzing a microstructure of a porous body is, for example, a method using porous-body data in which positional information providing a position of a voxel of a porous body obtained by three-dimensional scanning is associated with voxel type information including information that allows determination as to whether the voxel is a spatial voxel representing a space or an object voxel representing an object. This method includes (a) a step of defining an imaginary surface that is in contact with at least one object voxel present on a surface of the porous body, and identifying, as opening-related voxels, spatial voxels that are in contact with the imaginary surface and spatial voxels that continuously lie in a linear direction from the imaginary surface; and (b) a step of analyzing a microstructure of the porous body on a basis of the opening-related voxels.Type: GrantFiled: March 31, 2016Date of Patent: April 24, 2018Assignee: NGK Insulators, Ltd.Inventors: Ayaka Sakai, Satoshi Sakashita, Hiroyuki Nagaoka
-
Publication number: 20170349885Abstract: Provided are: a protein complex capable of selectively and asymmetrically oxidizing an enantiomer of a secondary alcohol without adding a coenzyme and having an asymmetric oxidation activity in a water-soluble solvent system in the presence of oxygen; a method for producing the same; and a method for coating the protein complex with a high molecular weight compound. The method for producing the protein complex includes: (1) enclosing a crude water-soluble protein in a gel, air-oxidizing the gel, and eluting the protein complex into an aqueous solution; and (2) applying gravity to concentrate and precipitate the protein complex, redissolving the precipitate in an aqueous glycine sodium hydroxide solution of about 0.5 mM and allowing the same to homogeneously coexist with a high molecular weight compound, and re-precipitating the solution and dehydrating and drying the same to yield a protein complex coated with a high molecular weight compound.Type: ApplicationFiled: June 12, 2017Publication date: December 7, 2017Inventor: Hiroyuki NAGAOKA
-
Publication number: 20170306299Abstract: Provided are: a protein complex capable of selectively and asymmetrically oxidizing an enantiomer of a secondary alcohol without adding a coenzyme and having an asymmetric oxidation activity in a water-soluble solvent system in the presence of oxygen; a method for producing the same; and a method for coating the protein complex with a high molecular weight compound. The method for producing the protein complex includes: (1) enclosing a crude water-soluble protein in a gel, air-oxidizing the gel, and eluting the protein complex into an aqueous solution; and (2) applying gravity to concentrate and precipitate the protein complex, redissolving the precipitate in an aqueous glycine sodium hydroxide solution of about 0.5 mM and allowing the same to homogeneously coexist with a high molecular weight compound, and re-precipitating the solution and dehydrating and drying the same to yield a protein complex coated with a high molecular weight compound.Type: ApplicationFiled: June 12, 2017Publication date: October 26, 2017Inventor: Hiroyuki NAGAOKA
-
Patent number: 9631205Abstract: A process for producing a cross-linked crystallized protein complex, which comprises: a first step of concentrating a crude protein derived from an animal or plant; a second step of encapsulating the protein in a gel, to thereby allow the protein to undergo air oxidation, and then extracting a protein complex from the gel; a third step of allowing the extracted protein complex to undergo crystallization and precipitation; and a fourth step of cross-linking the precipitated protein complex. Alternatively, by use of a fifth step of drying (FD) the obtained crosslinked crystallized protein complex, to thereby form a powder. As a result, there is provided an enzyme which is stable at room temperature storage, and has an activity in catalyzing an asymmetric oxidation reaction. That is, there is provided a useful material which enables an efficient enzyme-mimetic reaction under a mild condition.Type: GrantFiled: July 10, 2013Date of Patent: April 25, 2017Assignee: Sanyo Foods Co., Ltd.Inventor: Hiroyuki Nagaoka
-
Publication number: 20170072588Abstract: A method for manufacturing a honeycomb structure according to the present invention is a method for manufacturing a honeycomb structure provided with partitions forming a plurality of cells. This manufacturing method includes a structure formation process including a pore-forming material placement step of placing a pore-forming material for forming pores in the partitions, a raw material placement step of placing tabular grains and raw material grains such that the tabular grains are arranged in a predetermined direction with respect to the partition surfaces while the tabular grains and the raw material grains constitute a raw material for forming the partitions, and a sintering step of sintering the placed raw material. The honeycomb structure is produced by repeating the structure formation process a plurality of times.Type: ApplicationFiled: September 7, 2016Publication date: March 16, 2017Applicant: NGK INSULATORS, LTD.Inventors: Satoshi SAKASHITA, Hiroyuki NAGAOKA
-
Patent number: 9556457Abstract: A process for producing a cross-linked crystallized protein complex, which comprises: a first step of concentrating a crude protein derived from an animal or plant; a second step of encapsulating the protein in a gel, to thereby allow the protein to undergo air oxidation, and then extracting a protein complex from the gel; a third step of allowing the extracted protein complex to undergo crystallization and precipitation; and a fourth step of cross-linking the precipitated protein complex. Alternatively, by use of a fifth step of drying (FD) the obtained crosslinked crystallized protein complex, to thereby form a powder. As a result, there is provided an enzyme which is stable at room temperature storage, and has an activity in catalyzing an asymmetric oxidation reaction. That is, there is provided a useful material which enables an efficient enzyme-mimetic reaction under a mild condition.Type: GrantFiled: July 10, 2013Date of Patent: January 31, 2017Assignee: SANYO FOODS CO., LTD.Inventor: Hiroyuki Nagaoka
-
Publication number: 20160307318Abstract: A method for analyzing a microstructure of a porous body is, for example, a method using porous-body data in which positional information providing a position of a voxel of a porous body obtained by three-dimensional scanning is associated with voxel type information including information that allows determination as to whether the voxel is a spatial voxel representing a space or an object voxel representing an object. This method includes (a) a step of defining an imaginary surface that is in contact with at least one object voxel present on a surface of the porous body, and identifying, as opening-related voxels, spatial voxels that are in contact with the imaginary surface and spatial voxels that continuously lie in a linear direction from the imaginary surface; and (b) a step of analyzing a microstructure of the porous body on a basis of the opening-related voxels.Type: ApplicationFiled: March 31, 2016Publication date: October 20, 2016Inventors: Ayaka SAKAI, Satoshi SAKASHITA, Hiroyuki NAGAOKA
-
Publication number: 20160288113Abstract: A honeycomb structural body 20 comprises a porous partition portion 22 which forms a plurality of cells each functioning as a flow path of a fluid, and in the partition portion 22, the average pore diameter is 10 to 20 ?m, and a wet area rate R (=S/V) which is the rate of a wet area S of pores to a volume V of the partition portion 22 is 0.000239 ?m?1 or more.Type: ApplicationFiled: March 25, 2016Publication date: October 6, 2016Inventors: Shogo HIROSE, Hirotaka YAMAMOTO, Shiori NAKAO, Shuji UEDA, Mitsuharu ONO, Satoshi SAKASHITA, Hiroyuki NAGAOKA
-
Patent number: 9349050Abstract: Plural of virtual curved surface solids, each of which is a curved surface solid formed by a combination of plural of virtual spheres, is placed so as to fill in space voxels, referring to porous-body data in which positional information is associated with voxel-type information (step S100). Information regarding a flow rate for each space voxel when a fluid passes through a porous body is derived by executing a fluid analysis based on the porous-body data (step S110). A flow-rate-weighted mean diameter Ru, which is a weighted average obtained by weighting an equivalent diameter R?i for each virtual curved surface solid with a volume Vi and an average flow rate Ui for each virtual curved surface solid, is derived based an information regarding the virtual curved surface solids and information regarding the flow rate for each space voxel (step S120).Type: GrantFiled: March 20, 2015Date of Patent: May 24, 2016Assignee: NGK Insulators, Ltd.Inventors: Satoshi Sakashita, Hiroyuki Nagaoka, Ayaka Sakai