Patents by Inventor Hirokatsu Shinano
Hirokatsu Shinano 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: 20230235103Abstract: The present invention provides a sulfur-modified polyacrylonitrile having a total content of sulfur of from 30 mass % to 55 mass % and having a content of free sulfur of from 0.05 ppm by mass to 4 mass % determined by a solvent extraction method, an electrode active material containing the same, an electrode for a secondary battery including the electrode active material, a method of manufacturing the electrode, and a non-aqueous electrolyte secondary battery using the electrode.Type: ApplicationFiled: June 29, 2021Publication date: July 27, 2023Applicant: ADEKA CORPORATIONInventors: Tomofumi YOKOMIZO, Hirokatsu SHINANO, Hiromi TAKENOUCHI, Kensaku AKIMOTO, Yohei AOYAMA
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Patent number: 11594732Abstract: Disclosed is an electrode active material that has a large charge discharge capacity, a high initial efficiency, as well as excellent cycle characteristics and rate characteristics and is favorably used in a non-aqueous electrolyte secondary battery. An organo sulfur-based electrode active material contains sodium and potassium in a total amount of 100 ppm by mass to 1000 ppm by mass; an electrode for use in a secondary battery, the electrode containing the organo sulfur-based electrode active material as an electrode active material; and a non-aqueous electrolyte secondary battery including the electrode. Preferably, the organo sulfur-based electrode active material further contains iron in an amount of 1 ppm by mass to 20 ppm by mass. Preferably, the organo sulfur-based electrode active material is sulfur-modified polyacrylonitrile, and the amount of sulfur in the organo sulfur-based electrode active material is 25 mass % to 60 mass %.Type: GrantFiled: February 25, 2019Date of Patent: February 28, 2023Assignee: ADEKA CORPORATIONInventors: Hiromi Takenouchi, Tomofumi Yokomizo, Hirokatsu Shinano, Kenji Kakiage, Yuta Nohara, Yohei Aoyama
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Publication number: 20220340693Abstract: The present invention provides a method of producing sulfur-modified polyacrylonitrile, including: a step (1) of heating polyacrylonitrile and elemental sulfur in a rotating-type heating container including a discharge pipe and a sulfur vapor recovery unit while rotating the rotating-type heating container; a step (2) of liquefying a sulfur vapor by the sulfur vapor recovery unit while discharging hydrogen sulfide generated in the heating step; and a step (3) of returning the liquefied sulfur to a mixture of the sulfur and the polyacrylonitrile of the step (1).Type: ApplicationFiled: September 14, 2020Publication date: October 27, 2022Applicant: ADEKA CORPORATIONInventors: Hiromi TAKENOUCHI, Kensaku AKIMOTO, Kenji KAKIAGE, Hirokatsu SHINANO, Tomofumi YOKOMIZO
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Patent number: 11223045Abstract: Disclosed is a sulfur-based electrode active material with which a nonaqueous electrolyte secondary battery that has a large capacity and exhibits less deterioration of the cycle characteristics can be obtained even when an electrode is employed in which the sulfur-based electrode active material is used as an electrode active material and an aluminum foil is used as a current collector. Also disclosed is a method for producing an organosulfur electrode active material, including a step of obtaining an organosulfur compound by heat-treating an organic compound and sulfur and a step of treating the organosulfur compound with a basic compound. The organosulfur compound is preferably sulfur-modified polyacrylonitrile, and the basic compound is preferably ammonia. The organosulfur compound may be treated with the basic compound after the organosulfur compound is ground, or may be ground in a medium that contains the basic compound.Type: GrantFiled: October 30, 2018Date of Patent: January 11, 2022Assignee: ADEKA CORPORATIONInventors: Hirokatsu Shinano, Kenji Kakiage, Yohei Aoyama
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Publication number: 20200350587Abstract: Disclosed is an electrode active material that has a large charge discharge capacity, a high initial efficiency, as well as excellent cycle characteristics and rate characteristics and is favorably used in a non-aqueous electrolyte secondary battery. An organo sulfur-based electrode active material contains sodium and potassium in a total amount of 100 ppm by mass to 1000 ppm by mass; an electrode for use in a secondary battery, the electrode containing the organo sulfur-based electrode active material as an electrode active material; and a non-aqueous electrolyte secondary battery including the electrode. Preferably, the organo sulfur-based electrode active material further contains iron in an amount of 1 ppm by mass to 20 ppm by mass. Preferably, the organo sulfur-based electrode active material is sulfur-modified polyacrylonitrile, and the amount of sulfur in the organo sulfur-based electrode active material is 25 mass % to 60 mass %.Type: ApplicationFiled: February 25, 2019Publication date: November 5, 2020Inventors: Hiromi TAKENOUCHI, Tomofumi YOKOMIZO, Hirokatsu SHINANO, Kenji KAKIAGE, Yuta NOHARA, Yohei AOYAMA
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Patent number: 10774259Abstract: An encapsulated agent includes a central part and an outer part that covers a surface of the central part. The central part contains a viscosity-reducing material that reduces viscosity of a fluid to be used in a hydrofracturing technique. The outer part contains a plurality of particulate substances and a holding material that holds the plurality of particulate substances and enables gradual release of the central part in the fluid. The outer part involves distribution of the plurality of particulate substances that allows a content to have one or more local maxima in a direction away from the central part.Type: GrantFiled: July 29, 2016Date of Patent: September 15, 2020Assignee: ADEKA CORPORATIONInventors: Masatoshi Homma, Kazuyuki Noda, Hirokatsu Shinano, Kensaku Akimoto, Daisuke Sawamoto
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Publication number: 20200243860Abstract: Disclosed is a sulfur-based electrode active material with which a nonaqueous electrolyte secondary battery that has a large capacity and exhibits less deterioration of the cycle characteristics can be obtained even when an electrode is employed in which the sulfur-based electrode active material is used as an electrode active material and an aluminum foil is used as a current collector. Also disclosed is a method for producing an organosulfur electrode active material, including a step of obtaining an organosulfur compound by heat-treating an organic compound and sulfur and a step of treating the organosulfur compound with a basic compound. The organosulfur compound is preferably sulfur-modified polyacrylonitrile, and the basic compound is preferably ammonia. The organosulfur compound may be treated with the basic compound after the organosulfur compound is ground, or may be ground in a medium that contains the basic compound.Type: ApplicationFiled: October 30, 2018Publication date: July 30, 2020Inventors: Hirokatsu SHINANO, Kenji KAKIAGE, Yohei AOYAMA
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Publication number: 20180215665Abstract: An encapsulated agent includes a central part and an outer part that covers a surface of the central part. The central part contains a material that is expansive with respect to a liquid, and the outer part contains a material that is able to induce expansion of the central part with respect to the liquid.Type: ApplicationFiled: August 26, 2016Publication date: August 2, 2018Applicant: ADEKA CORPORATIONInventors: Kazuyuki NODA, Masatoshi HOMMA, Kensaku AKIMOTO, Hirokatsu SHINANO
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Publication number: 20180208832Abstract: An encapsulated agent includes a central part and an outer part that covers a surface of the central part. The central part contains a viscosity-reducing material that reduces viscosity of a fluid to be used in a hydrofracturing technique. The outer part contains a plurality of particulate substances and a holding material that holds the plurality of particulate substances and enables gradual release of the central part in the fluid. The outer part involves distribution of the plurality of particulate substances that allows a content to have one or more local maxima in a direction away from the central part.Type: ApplicationFiled: July 29, 2016Publication date: July 26, 2018Applicant: ADEKA CORPORATIONInventors: Masatoshi HOMMA, Kazuyuki NODA, Hirokatsu SHINANO, Kensaku AKIMOTO, Daisuke SAWAMOTO
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Publication number: 20180208831Abstract: An encapsulated agent includes: a central part 1; and an outer part 2 that covers a surface of the central part 1. The central part 1 contains a viscosity-reducing material that reduces the viscosity of a fluid to be used in a hydrofracturing technique. The outer part 2 enables gradual release of the central part 1 in the fluid, and contains a styrene-butadiene copolymer having glass-transition temperature that is equal to or higher than ?20 degrees centigrade and equal to or lower than 80 degrees centigrade.Type: ApplicationFiled: July 29, 2016Publication date: July 26, 2018Applicant: ADEKA CORPORATIONInventors: Masatoshi HOMMA, Kazuyuki NODA, Hirokatsu SHINANO, Yoshihiro ISHIKAWA, Daisuke SAWAMOTO, Kensaku AKIMOTO
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Patent number: 9594302Abstract: A novel compound having satisfactory sensitivity (base generating performance), a photosensitive resin composition containing the compound as a photo-initiator, and a cured product of the composition are provided. Specifically, a compound represented by general formula (1) (compound (1)), a photosensitive resin composition containing (A) a photo-initiator including at least one compound (1) and (B) a photosensitive resin are provided. Preferred are the compound (1) in which R1 is an unsubstituted or substituted C6-C20 aromatic hydrocarbon group, the compound (1) in which at least one of R5, R6, R7, R8, R9, R10, and R11 is nitro, and the compound (1) in which n is 0. The symbols in general formula (1) are as defined in the description.Type: GrantFiled: March 5, 2013Date of Patent: March 14, 2017Assignee: ADEKA CORPORATIONInventors: Takeo Oishi, Koichi Kimijima, Nobuhide Tominaga, Hirokatsu Shinano, Daisuke Sawamoto, Kiyoshi Murata
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Publication number: 20150064623Abstract: A novel compound having satisfactory sensitivity (base generating performance), a photosensitive resin composition containing the compound as a photo-initiator, and a cured product of the composition are provided. Specifically, a compound represented by general formula (1) (compound (1)), a photosensitive resin composition containing (A) a photo-initiator including at least one compound (1) and (B) a photosensitive resin are provided. Preferred are the compound (1) in which R1 is an unsubstituted or substituted C6-C20 aromatic hydrocarbon group, the compound (1) in which at least one of R5, R6, R7, R8, R9, R10, and R11 is nitro, and the compound (1) in which n is 0. The symbols in general formula (1) are as defined in the description.Type: ApplicationFiled: March 5, 2013Publication date: March 5, 2015Inventors: Takeo Oishi, Koichi Kimijima, Nobuhide Tominaga, Hirokatsu Shinano, Daisuke Sawamoto
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Patent number: 8735511Abstract: A curing resin composition that cures in two stages: photo cure and thermal cure, hardly contaminates a liquid or liquid crystals when in contact with, and provides high adhesive strength, particularly a curing composition that photocures sufficiently even when shadowed by TFT wires, a black matrix, etc. in photocuring; and a sealant, a sealant for ODF (one-drop-fill), and an LCD containing the curing resin composition.Type: GrantFiled: April 20, 2011Date of Patent: May 27, 2014Assignee: Adeka CorporationInventors: Hirokatsu Shinano, Hiroya Fukunaga, Kazuyuki Itano
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Patent number: 8410188Abstract: A sealant for a one drop fill process is characterized by curing through two steps consisting of photocure using visible light from which 400 nm or shorter wavelengths are cut off and thermal cure and, when in contact with a liquid crystal composition, is less contaminating to the liquid crystal composition with a photo radical initiator, and exhibits high adhesive strength to a substrate. The sealant contains (1) a titanocene photo radical initiator, (2) a photocuring resin, (3) a latent epoxy curing agent and, if necessary, (4) a monomer having at least two glycidyl ether groups per molecule as a thermosetting resin.Type: GrantFiled: June 24, 2010Date of Patent: April 2, 2013Assignee: Adeka CorporationInventors: Hirokatsu Shinano, Hiroya Fukunaga, Kazuyuki Itano
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Patent number: 8337965Abstract: A sealant for a one drop fill process of the invention contains the following components (1), (2), (3), and (4): (1) a curing agent composed of a reaction product produced by reacting an acid compound and a polyamine containing, within its molecule, at least one active hydrogen and at least two nitrogen atoms; (2) a heat-curable resin; (3) an acylphosphine-based photoinitiator; and (4) a photo-curable resin. A heat-curable resin containing a bisphenol A propylene oxide-modified epoxy resin is preferably used as the heat-curable resin (2), and a photo-curable resin containing a bisphenol A acrylate-modified resin is preferably used as the photo-curable resin (4).Type: GrantFiled: January 5, 2010Date of Patent: December 25, 2012Assignee: Adeka CorporationInventors: Kazuyuki Itano, Hiroya Fukunga, Hirokatsu Shinano, Rieko Hamada, Takahiro Otsuka
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Publication number: 20120115972Abstract: A curing resin composition that cures in two stages: photo cure and thermal cure, hardly contaminates a liquid or liquid crystals when in contact with, and provides high adhesive strength, particularly a curing composition that photocures sufficiently even when shadowed by TFT wires, a black matrix, etc. in photocuring; and a sealant, a sealant for ODF (one-drop-fill), and an LCD containing the curing resin composition. The curing resin composition contains (A) an oxime ester radical initiator represented by general formula (I), where symbols are as defined in the description, (B) a radical curing resin, (C) a latent epoxy curing agent, and (D) an epoxy resin.Type: ApplicationFiled: April 20, 2011Publication date: May 10, 2012Applicant: ADEKA CORPORATIONInventors: Hirokatsu Shinano, Hiroya Fukunaga, Kazuyuki Itano
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Patent number: 8057701Abstract: A trifunctional (meth)acrylate compound of general formula (I) is provided The compound is capable of retaining a liquid crystal phase at or below 30 ° C. Polymerizable compositions containing a compound of formula (I) are also provided.Type: GrantFiled: March 10, 2009Date of Patent: November 15, 2011Assignee: Adeka CorporationInventors: Hirokatsu Shinano, Satoshi Yanagisawa, Masatomi Irisawa, Kazuyuki Itano
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Publication number: 20110218267Abstract: A sealant for a one drop fill process is characterized by curing through two steps consisting of photocure using visible light from which 400 nm or shorter wavelengths are cut off and thermal cure and, when in contact with a liquid crystal composition, is less contaminating to the liquid crystal composition with a photo radical initiator, and exhibits high adhesive strength to a substrate. The sealant contains (1) a titanocene photo radical initiator, (2) a photocuring resin, (3) a latent epoxy curing agent and, if necessary, (4) a monomer having at least two glycidyl ether groups per molecule as a thermosetting resin.Type: ApplicationFiled: June 24, 2010Publication date: September 8, 2011Applicant: ADEKA CORPORATIONInventors: Hirokatsu Shinano, Hiroya Fukunaga, Kazuyuki Itano
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Publication number: 20110054061Abstract: A sealant for a one drop fill process of the invention contains the following components (1), (2), (3), and (4): (1) a curing agent composed of a reaction product produced by reacting an acid compound and a polyamine containing, within its molecule, at least one active hydrogen and at least two nitrogen atoms; (2) a heat-curable resin; (3) an acylphosphine-based photoinitiator; and (4) a photo-curable resin. A heat-curable resin containing a bisphenol A propylene oxide-modified epoxy resin is preferably used as the heat-curable resin (2), and a photo-curable resin containing a bisphenol A acrylate-modified resin is preferably used as the photo-curable resin (4).Type: ApplicationFiled: January 5, 2010Publication date: March 3, 2011Applicant: ADEKA CORPORATIONInventors: Kazuyuki Itano, Hiroya Fukunga, Hirokatsu Shinano, Rieko Hamada, Takahiro Otsuka
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Publication number: 20110037025Abstract: A trifunctional (meth)acrylate compound represented by the following general formula (I); and a polymerizable composition containing the compound. The compound preferably is a compound in which ring A1, ring A2, and ring A3 in general formula (I) each is a benzene ring or naphthalene ring and at least one of the ring A1, ring A2, and ring A3 is a naphthalene ring, or is a compound in which X1, X2, and X3 each is —COO— or —OCO—. More preferred is a compound in which ring A3 is a naphthalene ring. Even more preferred is the compound which by itself can retain a liquid-crystal phase at 30° C. and lower temperatures. (In the formula, M1, M2, and M3 each represents methyl, etc.; rings A1, A2, and A3 each represents a benzene ring, naphthalene ring, etc.; Z1, Z2, and Z3 each represents C1-6 alkyl, etc.; X1, X2, and X3 each represents —COO—, —OCO—, etc.; Y1 and Y2 each represents -L1-, and Y3 represents -L2-, etc.Type: ApplicationFiled: March 10, 2009Publication date: February 17, 2011Applicant: ADEKA CORPORATIONInventors: Hirokatsu Shinano, Satoshi Yanagisawa, Masatomi Irisawa, Kazuyuki Itano