Patents by Inventor Takaaki Kutsuna
Takaaki Kutsuna 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: 11959872Abstract: The present invention provides a method for accurately measuring a blood component despite uneven distribution of blood introduced into a capillary. The measurement method according to the present invention is characterized in that a plurality of electrode systems for measuring the hematocrit are provided in a capillary of a biosensor to measure the hematocrit at different positions in the capillary. By measuring the hematocrit at the plurality of positions in the capillary as described above, the hematocrit can be measured mom accurately despite uneven distribution of blood introduced into the capillary.Type: GrantFiled: March 1, 2019Date of Patent: April 16, 2024Assignee: PHC Holdings CorporationInventors: Masaki Fujiwara, Yoshifumi Takahara, Takaaki Fujii, Setsuko Yano, Fuminori Kutsuna
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Patent number: 8389082Abstract: Provided is a fuel system comprising a fuel vessel, molded parts for the fuel vessel and/or a tube for a fuel in which bodies are constituted from a thermoplastic resin and/or a rubber, wherein a coating layer is formed on the surfaces in at least one sides of the insides and the outsides of the fuel vessel body, the molded part bodies for the fuel vessel and/or the tube body for a fuel or at least one of connected parts with these bodies; the above coating layer is formed by curing an epoxy resin composition comprising an epoxy resin and an epoxy resin curing agent as principal components; and the above coating layer has a gasoline permeability coefficient of 2 g·mm/m2·day or less at 23° C. and a relative humidity of 60% RH. The above coating layer is excellent in a permeation-preventing performance against an automobile fuel (gasoline barrier property), a heat resistance and an impact resistance, then a fuel vessel, molded parts for the fuel vessel and a tube which have excellent performances are obtained.Type: GrantFiled: June 25, 2003Date of Patent: March 5, 2013Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Takaaki Kutsuna, Takeshi Koyama
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Publication number: 20090324865Abstract: A gas-barrier container having at least one gas-barrier layer, characterized in that the gas-barrier layer is made of a cured epoxy resin obtained by curing an epoxy resin composition mainly comprising an epoxy rein and a curing agent for epoxy resin and that the cured epoxy resin contains the skeletal structure of formula (1) in an amount of 30 wt % or above. The gas-barrier container exhibits high gas-barrier properties and a low environmental load by virtue of the use of a non-halogen gas-barrier material and is advantageous in economical efficiency and workability in production steps and excellent in interlaminar strength, gas-barrier properties under high humidity, impact resistance, and resistance to retorting, thus being usable as container for foods or drinks, packing material for drugs, and so on.Type: ApplicationFiled: August 31, 2009Publication date: December 31, 2009Inventors: Takeshi Koyama, Takaaki Kutsuna, Shuta Kihara
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Patent number: 7425598Abstract: The present invention provides an adhesive for laminates containing, as a main component, an epoxy resin composition comprising an epoxy resin and an epoxy resin-curing agent, the epoxy resin composition being formed into an epoxy resin cured product containing a skeleton structure represented by the formula (1): in an amount of at least 40% by weight. Since the adhesive of the present invention reveals not only a suitable adhesion to various film materials but also a high gas-barrier property, only a single layer formed therefrom can realize both an excellent gas-barrier property and an excellent adhesion property in combination, so that it is possible to produce a high gas-barrier laminated film for a packaging material without forming a separate gas-barrier layer therein.Type: GrantFiled: September 3, 2002Date of Patent: September 16, 2008Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Takaaki Kutsuna, Shuta Kihara
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Patent number: 7271224Abstract: A composition for coating having a gas barrier property comprising coating-forming components of an epoxy resin and an amine curing agent, wherein said amine curing agent is a reaction product of (A) methaxylylenediamine or paraxylylenediamineand (B) polyfunctional compound having at least one acyl group which is capable of forming amide group moiety by reaction with a polyamine to form an oligomeror or (A), (B) and (C)monocarboxylic acid having 1 to 8 carbon atoms and/or derivative thereof and a coating and a coated film a gas barrier property the same.Type: GrantFiled: August 25, 2006Date of Patent: September 18, 2007Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Takaaki Kutsuna, Shuta Kihara
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Patent number: 7267877Abstract: A composition for coating having a gas barrier property comprising coating-forming components of an epoxy resin and an amine curing agent, wherein said amine curing agent is a reaction product of (A) methaxylylenediamine or paraxylylenediamineand (B) polyfunctional compound having at least one acyl group which is capable of forming amide group moiety by reaction with a polyamine to form an oligomeror or (A), (B) and (C) monocarboxylic acid having 1 to 8 carbon atoms and/or derivative thereof and a coating and a coated film a gas barrier property the same.Type: GrantFiled: December 17, 2001Date of Patent: September 11, 2007Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Takaaki Kutsuna, Shuta Kihara
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Publication number: 20070049708Abstract: A composition for coating having a gas barrier property comprising coating-forming components of an epoxy resin and an amine curing agent, wherein said amine curing agent is a reaction product of (A) methaxylylenediamine or paraxylylenediamine and (B) polyfunctional compound having at least one acyl group which is capable of forming amide group moiety by reaction with a polyamine to form an oligomer or (A), (B) and (C) monocarboxylic acid having 1 to 8 carbon atoms and/or derivative thereof and a coating and a coated film a gas barrier property the same.Type: ApplicationFiled: August 25, 2006Publication date: March 1, 2007Applicant: Mitsubishi Gas Chemical Company, Inc.Inventors: Takaaki Kutsuna, Shuta Kihara
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Patent number: 7018715Abstract: Provided are an organic coated steel having an epoxy resin layer coated on the surface of the steel product, which is formed by curing an epoxy resin composition comprising an epoxy resin and an epoxy resin curing agent as principal components and which has an oxygen permeability coefficient of 2 ml-mm/m2·day·MPa or less at a temperature of 23° C. and a relative humidity of 60% RH, an organic coated steel having the above epoxy resin layer and a polymer resin layer laminated in order on the surface of a steel product and a rust preventing method for metal in which a coating layer of the above epoxy resin layer is formed on the surface of metal.Type: GrantFiled: April 4, 2003Date of Patent: March 28, 2006Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Takaaki Kutsuna, Shuta Kihara
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Publication number: 20050158494Abstract: A gas-barrier container having at least one gas-barrier layer, characterized in that the gas-barrier layer is made of a cured epoxy resin obtained by curing an epoxy resin composition mainly comprising an epoxy rein and a curing agent for epoxy resin and that the cured epoxy resin contains the skeletal structure of formula (1) in an amount of 30 wt % or above. The gas-barrier container exhibits high gas-barrier properties and a low environmental load by virtue of the use of a non-halogen gas-barrier material and is advantageous in economical efficiency and workability in production steps and excellent in interlaminar strength, gas-barrier properties under high humidity, impact resistance, and resistance to retorting, thus being usable as container for foods or drinks, packing material for drugs, and so on.Type: ApplicationFiled: June 24, 2003Publication date: July 21, 2005Inventors: Takeshi Koyama, Takaaki Kutsuna, Shuta Kihara
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Patent number: 6861147Abstract: Provided is a gas barrier film in which in coating or laminating a single layer film or a multiplayer film comprising at least one (a) thermoplastic resin layer on which an inorganic compound is vapor deposited or (b) layer comprising metal foil, wherein 40% by weight or more of a skeletal structure represented by the following Formula (1) is contained in an epoxy resin-cured product formed from an epoxy resin composition comprising an epoxy resin and an epoxy resin curing agent as principal components.Type: GrantFiled: April 8, 2003Date of Patent: March 1, 2005Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Takaaki Kutsuna, Shuta Kihara
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Publication number: 20050014908Abstract: The present invention provides an adhesive for laminates containing, as a main component, an epoxy resin composition comprising an epoxy resin and an epoxy resin-curing agent, the epoxy resin composition being formed into an epoxy resin cured product containing a skeleton structure represented by the formula (1): in an amount of at least 40% by weight. Since the adhesive of the present invention reveals not only a suitable adhesion to various film materials but also a high gas-barrier property, only a single layer formed therefrom can realize both an excellent gas-barrier property and an excellent adhesion property in combination, so that it is possible to produce a high gas-barrier laminated film for a packaging material without forming a separate gas-barrier layer therein.Type: ApplicationFiled: September 3, 2002Publication date: January 20, 2005Inventors: Takaaki Kutsuna, Shuta Kihara
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Patent number: 6746772Abstract: There is disclosed an oxygen-absorbing multi-layer film which comprises an outer layer comprising a thermoplastic resin; an adhesive layer comprising an epoxy resin; an oxygen-absorbing layer comprising a thermoplastic resin and an iron based oxygen-absorbing agent incorporated therein; and a heat sealing layer comprising an oxygen-permeable thermoplastic resin, wherein the adhesive layer comprises a gas barrier epoxy resin composition containing at least 30% by weight, preferably 40 to 90% by weight of a xylylenediamine unit (N—CH2—C6H4—CH2—N). The multi-layer film preferably having an overall thickness of at most 120 micron is excellent in oxygen-absorbing function, gas barrier properties, impact resistance, film rigidity and economical efficiency, and is well suited for use as packaging materials for food, pharmaceutical and the like.Type: GrantFiled: June 21, 2002Date of Patent: June 8, 2004Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Takashi Kashiba, Shuta Kihara, Takaaki Kutsuna
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Publication number: 20030235668Abstract: Provided is a fuel system comprising a fuel vessel, molded parts for the fuel vessel and/or a tube for a fuel in which bodies are constituted from a thermoplastic resin and/or a rubber, wherein a coating layer is formed on the surfaces in at least one sides of the insides and the outsides of the fuel vessel body, the molded part bodies for the fuel vessel and/or the tube body for a fuel or at least one of connected parts with these bodies; the above coating layer is formed by curing an epoxy resin composition comprising an epoxy resin and an epoxy resin curing agent as principal components; and the above coating layer has a gasoline permeability coefficient of 2 g·mm/m2·day or less at 23° C. and a relative humidity of 60% RH.Type: ApplicationFiled: June 25, 2003Publication date: December 25, 2003Inventors: Takaaki Kutsuna, Takeshi Koyama
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Publication number: 20030190478Abstract: Provided are an organic coated steel having an epoxy resin layer coated on the surface of the steel product, which is formed by curing an epoxy resin composition comprising an epoxy resin and an epoxy resin curing agent as principal components and which has an oxygen permeability coefficient of 2 ml-mm/m2·day·MPa or less at a temperature of 23° C. and a relative humidity of 60% RH, an organic coated steel having the above epoxy resin layer and a polymer resin layer laminated in order on the surface of a steel product and a rust preventing method for metal in which a coating layer of the above epoxy resin layer is formed on the surface of metal.Type: ApplicationFiled: April 4, 2003Publication date: October 9, 2003Inventors: Takaaki Kutsuna, Shuta Kihara
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Publication number: 20030190480Abstract: Provided is a gas barrier film in which in coating or laminating a single layer film or a multiplayer film comprising at least one (a) thermoplastic resin layer on which an inorganic compound is vapor deposited or (b) layer comprising metal foil, wherein 40% by weight or more of a skeletal structure represented by the following Formula (1) is contained in an epoxy resin-cured product formed from an epoxy resin composition comprising an epoxy resin and an epoxy resin curing agent as principal components. The above gas barrier film has a toughness and a high gas barrier property brought about by the above epoxy resin composition used for adhering or coating on various film materials in addition to a suitable adhesive performance to various film materials, so that it is a gas barrier film which does not cause a marked reduction in a gas barrier property brought about by treatment such as bending in mold-processing of the film and which is excellent in a flexibility.Type: ApplicationFiled: April 8, 2003Publication date: October 9, 2003Inventors: Takaaki Kutsuna, Shuta Kihara
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Publication number: 20030003308Abstract: There is disclosed an oxygen-absorbing multi-layer film which comprises an outer layer comprising a thermoplastic resin; an adhesive layer comprising an epoxy resin; an oxygen-absorbing layer comprising a thermoplastic resin and an iron based oxygen-absorbing agent incorporated therein; and a heat sealing layer comprising an oxygen-permeable thermoplastic resin, wherein the adhesive layer comprises a gas barrier epoxy resin composition containing at least 30% by weight, preferably 40 to 90% by weight of a xylylenediamine unit (N—CH2—C6H4—CH2—N). The multi-layer film preferably having an overall thickness of at most 120 micron is excellent in oxygen-absorbing function, gas barrier properties, impact resistance, film rigidity and economical efficiency, and is well suited for use as packaging materials for food, pharmaceutical and the like.Type: ApplicationFiled: June 21, 2002Publication date: January 2, 2003Inventors: Takashi Kashiba, Shuta Kihara, Takaaki Kutsuna
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Publication number: 20020120063Abstract: A composition for coating having a gas barrier property comprising coating-forming components of an epoxy resin and an amine curing agent, wherein said amine curing agent is a reaction product of (A) methaxylylenediamine or paraxylylenediamineand (B) polyfunctional compound having at least one acyl group which is capable of forming amide group moiety by reaction with a polyamine to form an oligomeror or (A), (B) and (C)monocarboxylic acid having 1 to 8 carbon atoms and/or derivative thereof and a coating and a coated film a gas barrier property the same.Type: ApplicationFiled: December 17, 2001Publication date: August 29, 2002Applicant: Mitsubishi Gas Chemical Company, Inc.Inventors: Takaaki Kutsuna, Shuta Kihara
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Patent number: 6074710Abstract: A liquid crystal gel containing liquid crystal molecules and a gelling agent. The liquid crystal gel exhibits substantially no fluidity. Also provided are a gelling agent, particularly, 1,2-bis-(11-(4-cyanobiphenyl-4'-oxo)undecylcarbonylamino)cyclohexane, which is capable of easily producing the liquid crystal gel; a liquid crystal device made from the liquid crystal gel with substantially no fluidity; and a process for fabricating a liquid crystal device capable of providing this liquid crystal device rapidly in a simple manner.Type: GrantFiled: March 11, 1998Date of Patent: June 13, 2000Assignee: JSR CorporationInventors: Takashi Kato, Gota Kondo, Kenji Hanabusa, Takaaki Kutsuna, Masakatsu Ukon