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).

  • Patent number: 10906266
    Abstract: 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: Grant
    Filed: September 10, 2018
    Date of Patent: February 2, 2021
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ikuo Uematsu, Naoya Hayamizu, Kenya Uchida
  • Patent number: 10700327
    Abstract: 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: Grant
    Filed: October 5, 2018
    Date of Patent: June 30, 2020
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Ikuo Uematsu, Naoya Hayamizu, Naoaki Sakurai
  • Publication number: 20190257573
    Abstract: 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: Application
    Filed: March 8, 2016
    Publication date: August 22, 2019
    Applicant: TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATION
    Inventors: KENJI KOJIMA, EIJI SHINAGAWA, IKUO UEMATSU, NAOYA HAYAMIZU, KENICHI OOSHIRO
  • Patent number: 10370777
    Abstract: 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: Grant
    Filed: September 9, 2016
    Date of Patent: August 6, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Ikuo Uematsu, Naoya Hayamizu
  • Publication number: 20190036095
    Abstract: 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: Application
    Filed: October 5, 2018
    Publication date: January 31, 2019
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Ikuo UEMATSU, Naoya HAYAMIZU, Naoaki SAKURAI
  • Publication number: 20190001613
    Abstract: 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: Application
    Filed: September 10, 2018
    Publication date: January 3, 2019
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ikuo UEMATSU, Naoya HAYAMIZU, Kenya UCHIDA
  • Patent number: 10135050
    Abstract: 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: Grant
    Filed: January 23, 2015
    Date of Patent: November 20, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ikuo Uematsu, Naoya Hayamizu, Naoaki Sakurai
  • Patent number: 10099447
    Abstract: 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: Grant
    Filed: December 20, 2016
    Date of Patent: October 16, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ikuo Uematsu, Naoya Hayamizu, Kenya Uchida
  • Publication number: 20180238605
    Abstract: 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: Application
    Filed: March 8, 2016
    Publication date: August 23, 2018
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATION
    Inventors: KENJI KOJIMA, EIJI SHINAGAWA, IKUO UEMATSU, NAOYA HAYAMIZU, KENICHI OOSHIRO
  • Publication number: 20180238609
    Abstract: 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: Application
    Filed: March 8, 2016
    Publication date: August 23, 2018
    Applicant: TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATION
    Inventors: KENYA UCHIDA, IKUO UEMATSU, NAOYA HAYAMIZU, YOKO TOKUNO, TOMOMICHI NAKA, MASAYUKI TANAKA, TAKAHIRO TERADA
  • Publication number: 20170145594
    Abstract: 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: Application
    Filed: February 8, 2017
    Publication date: May 25, 2017
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Kenya UCHIDA, Naoya HAYAMIZU, Ikuo UEMATSU
  • Patent number: 9634310
    Abstract: 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: Grant
    Filed: March 10, 2014
    Date of Patent: April 25, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yoko Tokuno, Naoya Hayamizu, Ikuo Uematsu, Tomomichi Naka
  • Publication number: 20170100913
    Abstract: 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: Application
    Filed: December 20, 2016
    Publication date: April 13, 2017
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ikuo UEMATSU, Naoya HAYAMIZU, Kenya UCHIDA
  • Publication number: 20160376729
    Abstract: 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: Application
    Filed: September 9, 2016
    Publication date: December 29, 2016
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: IKUO UEMATSU, NAOYA HAYAMIZU
  • Patent number: 9231255
    Abstract: 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: Grant
    Filed: March 10, 2014
    Date of Patent: January 5, 2016
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Ikuo Uematsu, Naoya Hayamizu
  • Publication number: 20150377826
    Abstract: 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: Application
    Filed: June 22, 2015
    Publication date: December 31, 2015
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Shinichi SASAKI, lkuo UEMATSU, Naoya HAYAMIZU
  • Publication number: 20150270518
    Abstract: 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: Application
    Filed: March 10, 2015
    Publication date: September 24, 2015
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ikuo UEMATSU, Naoya Hayamizu
  • Publication number: 20150162584
    Abstract: 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: Application
    Filed: January 23, 2015
    Publication date: June 11, 2015
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ikuo Uematsu, Naoya Hayamizu, Naoaki Sakurai
  • Publication number: 20150093637
    Abstract: 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: Application
    Filed: March 10, 2014
    Publication date: April 2, 2015
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yoko TOKUNO, Naoya Hayamizu, Ikuo Uematsu, Tomomichi Naka
  • Publication number: 20150004496
    Abstract: 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: Application
    Filed: March 10, 2014
    Publication date: January 1, 2015
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Ikuo Uematsu, Naoya Hayamizu