Patents by Inventor Naoya Hayamizu
Naoya Hayamizu 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: 10906266Abstract: According to one embodiment, there is provided a structural body including a core composed of fiber and a support, which is a component of the core and is in contact with the core.Type: GrantFiled: September 10, 2018Date of Patent: February 2, 2021Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Ikuo Uematsu, Naoya Hayamizu, Kenya Uchida
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Patent number: 10700327Abstract: According to one embodiment, the secondary battery includes a container, an electrode structure provided in the container and an electrolyte provided in the container. The electrode structure includes a positive electrode, a negative electrode, and a separator provided between the positive electrode and the negative electrode. The separator includes an organic fiber layer accumulated on at least one of the positive electrode and the negative electrode. The organic fiber layer has contacts in which the organic fiber intersects with itself. The form of the intersections is changed by a tensile stress.Type: GrantFiled: October 5, 2018Date of Patent: June 30, 2020Assignee: Kabushiki Kaisha ToshibaInventors: Ikuo Uematsu, Naoya Hayamizu, Naoaki Sakurai
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Publication number: 20190257573Abstract: A vacuum insulated panel according to an embodiment of the present invention is provided with: a core material comprising resin fibers; and a monomer-adsorbing material that is added to the core material and that adsorbs monomers derived from the resin fibers.Type: ApplicationFiled: March 8, 2016Publication date: August 22, 2019Applicant: TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATIONInventors: KENJI KOJIMA, EIJI SHINAGAWA, IKUO UEMATSU, NAOYA HAYAMIZU, KENICHI OOSHIRO
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Patent number: 10370777Abstract: According to the embodiment, a nanofiber manufacturing device that includes an ejector and a power generator is provided. The ejector is capable of ejecting a solution from a head portion toward a target. The power generator generates a potential difference between the head portion and the target. The head portion includes a first guide having a first surface and a second guide having a second surface, the first surface and the second surface making a gap, the gap being capable of maintaining the solution. A tip of at least one of the first guide and the second guide includes a maintain portion provided so as to be capable of maintaining the solution.Type: GrantFiled: September 9, 2016Date of Patent: August 6, 2019Assignee: Kabushiki Kaisha ToshibaInventors: Ikuo Uematsu, Naoya Hayamizu
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Publication number: 20190036095Abstract: According to one embodiment, the secondary battery includes a container, an electrode structure provided in the container and an electrolyte provided in the container. The electrode structure includes a positive electrode, a negative electrode, and a separator provided between the positive electrode and the negative electrode. The separator includes an organic fiber layer accumulated on at least one of the positive electrode and the negative electrode. The organic fiber layer has contacts in which the organic fiber intersects with itself. The form of the intersections is changed by a tensile stress.Type: ApplicationFiled: October 5, 2018Publication date: January 31, 2019Applicant: Kabushiki Kaisha ToshibaInventors: Ikuo UEMATSU, Naoya HAYAMIZU, Naoaki SAKURAI
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Publication number: 20190001613Abstract: According to one embodiment, there is provided a structural body including a core composed of fiber and a support, which is a component of the core and is in contact with the core.Type: ApplicationFiled: September 10, 2018Publication date: January 3, 2019Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Ikuo UEMATSU, Naoya HAYAMIZU, Kenya UCHIDA
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Patent number: 10135050Abstract: According to one embodiment, the secondary battery includes a container, an electrode structure provided in the container and an electrolyte provided in the container. The electrode structure includes a positive electrode, a negative electrode, and a separator provided between the positive electrode and the negative electrode. The separator includes an organic fiber layer accumulated on at least one of the positive electrode and the negative electrode. The organic fiber layer has contacts in which the organic fiber intersects with itself. The form of the intersections is changed by a tensile stress.Type: GrantFiled: January 23, 2015Date of Patent: November 20, 2018Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Ikuo Uematsu, Naoya Hayamizu, Naoaki Sakurai
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Patent number: 10099447Abstract: According to one embodiment, there is provided a structural body including a core composed of fiber and a support, which is a component of the core and is in contact with the core.Type: GrantFiled: December 20, 2016Date of Patent: October 16, 2018Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Ikuo Uematsu, Naoya Hayamizu, Kenya Uchida
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Publication number: 20180238605Abstract: In a vacuum insulated panel according to an embodiment of the present invention, a core material comprising resin fibers is accommodated within an outer cover material. The resin fibers are formed directly on the inner surface of the outer cover material.Type: ApplicationFiled: March 8, 2016Publication date: August 23, 2018Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATIONInventors: KENJI KOJIMA, EIJI SHINAGAWA, IKUO UEMATSU, NAOYA HAYAMIZU, KENICHI OOSHIRO
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Publication number: 20180238609Abstract: Insulation according to an embodiment of the present invention is provided with the following: a core material formed by a small-diameter fiber material having a micro-order to nano-order fiber diameter; and a reinforcing means for reinforcing the strength of the core material.Type: ApplicationFiled: March 8, 2016Publication date: August 23, 2018Applicant: TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATIONInventors: KENYA UCHIDA, IKUO UEMATSU, NAOYA HAYAMIZU, YOKO TOKUNO, TOMOMICHI NAKA, MASAYUKI TANAKA, TAKAHIRO TERADA
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Publication number: 20170145594Abstract: According to one embodiment, a spinning apparatus includes a nozzle head, a power generating, and a first atmosphere controller. The nozzle head dispenses a source material liquid from a tip portion toward a collector. The power generating unit generates an electric potential difference between the tip portion and the collector. The first atmosphere controller controls an atmosphere of a first space at a periphery of the nozzle head.Type: ApplicationFiled: February 8, 2017Publication date: May 25, 2017Applicant: Kabushiki Kaisha ToshibaInventors: Kenya UCHIDA, Naoya HAYAMIZU, Ikuo UEMATSU
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Patent number: 9634310Abstract: According to one embodiment, there is provided a secondary battery. This secondary battery includes an electrode and an organic-fiber layer. The electrode includes a current collector including an edge part, an active material-containing layer including an end part supported on the edge part, and a current-collecting tab including a surface a part of which is adjacent to the edge part. The organic-fiber layer is bonded with the end part of the active material-containing layer with maximum thickness and with the part of the surface of the current-collecting tab.Type: GrantFiled: March 10, 2014Date of Patent: April 25, 2017Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yoko Tokuno, Naoya Hayamizu, Ikuo Uematsu, Tomomichi Naka
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Publication number: 20170100913Abstract: According to one embodiment, there is provided a structural body including a core composed of fiber and a support, which is a component of the core and is in contact with the core.Type: ApplicationFiled: December 20, 2016Publication date: April 13, 2017Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Ikuo UEMATSU, Naoya HAYAMIZU, Kenya UCHIDA
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Publication number: 20160376729Abstract: According to the embodiment, a nanofiber manufacturing device that includes an ejector and a power generator is provided. The ejector is capable of ejecting a solution from a head portion toward a target. The power generator generates a potential difference between the head portion and the target. The head portion includes a first guide having a first surface and a second guide having a second surface, the first surface and the second surface making a gap, the gap being capable of maintaining the solution. A tip of at least one of the first guide and the second guide includes a maintain portion provided so as to be capable of maintaining the solution.Type: ApplicationFiled: September 9, 2016Publication date: December 29, 2016Applicant: KABUSHIKI KAISHA TOSHIBAInventors: IKUO UEMATSU, NAOYA HAYAMIZU
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Patent number: 9231255Abstract: According to one embodiment, a lithium-ion secondary battery includes a first current collector, a first layer, and a separator. The first current collector has a plurality of first recesses on a surface of the first current collector. The first layer is provided on the first current collector. The layer includes a first active material body, a first binder, and a first conductive body. The separator is provided in the first recesses via the first layer and including a fiber.Type: GrantFiled: March 10, 2014Date of Patent: January 5, 2016Assignee: Kabushiki Kaisha ToshibaInventors: Ikuo Uematsu, Naoya Hayamizu
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Publication number: 20150377826Abstract: According to one embodiment, an aging device includes an operation and measurement unit, and a control unit. The operation and measurement unit is configured to perform application of potential between at least any one of a counter electrode and a reference electrode provided in a constant-potential electrolytic gas sensor and a working electrode provided in the constant-potential electrolytic gas sensor and measurement of an electric current flowing between the working electrode and the counter electrode. The control unit is configured to calculate the potential at a start of the flow of the electric current between the working electrode and the counter electrode and control the operation and measurement unit such that potential higher than the potential at the start of the flow of the electric current is applied between at least any one of the counter electrode and the reference electrode and the working electrode.Type: ApplicationFiled: June 22, 2015Publication date: December 31, 2015Applicant: Kabushiki Kaisha ToshibaInventors: Shinichi SASAKI, lkuo UEMATSU, Naoya HAYAMIZU
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Publication number: 20150270518Abstract: According to an embodiment, a battery includes a positive electrode, a negative electrode, a separator, and a filler portion. The separator is provided between the positive electrode and the negative electrode, and does not allow the passage of electrons and allows the passage of ions. The filler portion fills a depression provided in a positive electrode active material layer of the positive electrode or a negative electrode active material layer of the negative electrode, and does not allow the passage of electrons and allows the passage of ions.Type: ApplicationFiled: March 10, 2015Publication date: September 24, 2015Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Ikuo UEMATSU, Naoya Hayamizu
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Publication number: 20150162584Abstract: According to one embodiment, the secondary battery includes a container, an electrode structure provided in the container and an electrolyte provided in the container. The electrode structure includes a positive electrode, a negative electrode, and a separator provided between the positive electrode and the negative electrode. The separator includes an organic fiber layer accumulated on at least one of the positive electrode and the negative electrode. The organic fiber layer has contacts in which the organic fiber intersects with itself. The form of the intersections is changed by a tensile stress.Type: ApplicationFiled: January 23, 2015Publication date: June 11, 2015Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Ikuo Uematsu, Naoya Hayamizu, Naoaki Sakurai
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Publication number: 20150093637Abstract: According to one embodiment, there is provided a secondary battery. This secondary battery includes an electrode and an organic-fiber layer. The electrode includes a current collector including an edge part, an active material-containing layer including an end part supported on the edge part, and a current-collecting tab including a surface a part of which is adjacent to the edge part. The organic-fiber layer is bonded with the end part of the active material-containing layer with maximum thickness and with the part of the surface of the current-collecting tab.Type: ApplicationFiled: March 10, 2014Publication date: April 2, 2015Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yoko TOKUNO, Naoya Hayamizu, Ikuo Uematsu, Tomomichi Naka
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Publication number: 20150004496Abstract: According to one embodiment, a lithium-ion secondary battery includes a first current collector, a first layer, and a separator. The first current collector has a plurality of first recesses on a surface of the first current collector. The first layer is provided on the first current collector. The layer includes a first active material body, a first binder, and a first conductive body. The separator is provided in the first recesses via the first layer and including a fiber.Type: ApplicationFiled: March 10, 2014Publication date: January 1, 2015Applicant: Kabushiki Kaisha ToshibaInventors: Ikuo Uematsu, Naoya Hayamizu