Patents by Inventor Kosei FUKUOKA

Kosei FUKUOKA 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: 11149329
    Abstract: This stabilizer material for superconductor includes a copper material, wherein the copper material contains one kind or two kinds or more of additive elements selected from Ca, La, and Ce for a total amount of 3 ppm by mass or more and 400 ppm by mass or less, with the remainder being Cu and unavoidable impurities, and the total concentration of the unavoidable impurities other than O, H, C, N, and S, which are gas components, is 5 ppm by mass or more and 100 ppm by mass or less, and compounds including one kind or two kinds or more selected from CaS, CaSO4, LaS, La2SO2, CeS, and Ce2SO2 are present in the matrix.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: October 19, 2021
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Kosei Fukuoka, Yuki Ito, Kazunari Maki
  • Publication number: 20210225560
    Abstract: The present invention is a superconducting wire including: a wire formed of a superconducting material; and a superconducting stabilization material disposed in contact with the wire, in which the superconducting stabilization material is formed of a copper material which contains: one or more types of additive elements selected from Ca, Sr, Ba, and rare earth elements in a total of 3 ppm by mass to 400 ppm by mass; a balance being Cu and inevitable impurities, and in which a total concentration of the inevitable impurities excluding O, H, C, N, and S which are gas components is 5 ppm by mass to 100 ppm by mass.
    Type: Application
    Filed: October 13, 2020
    Publication date: July 22, 2021
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Kosei FUKUOKA, Yuki ITO, Kazunari MAKI
  • Patent number: 10971278
    Abstract: This superconducting wire includes: a strand including a superconducting material; and a stabilizer material for superconductor arranged in contact with the strand, wherein the stabilizer material for superconductor includes a copper material which contains one kind or two kinds or more of additive elements selected from Ca, Sr, Ba, and rare earth elements (RE) for a total amount of 3 ppm by mass or more and 400 ppm by mass or less, with the remainder being Cu and unavoidable impurities, the total concentration of the unavoidable impurities other than O, H, C, N, and S, which are gas components, is 5 ppm by mass or more and 100 ppm by mass or less, and compounds including one kind or two kinds or more selected from CaS, CaSO4, SrS, SrSO4, BaS, BaSO4, (RE)S, and (RE)2SO2 are present in the matrix.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: April 6, 2021
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Kosei Fukuoka, Yuki Ito, Kazunari Maki
  • Patent number: 10964454
    Abstract: The present invention is a superconducting wire including: a wire formed of a superconducting material; and a superconducting stabilization material disposed in contact with the wire, in which the superconducting stabilization material is formed of a copper material which contains: one or more types of additive elements selected from Ca, Sr, Ba, and rare earth elements in a total of 3 ppm by mass to 400 ppm by mass; a balance being Cu and inevitable impurities, and in which a total concentration of the inevitable impurities excluding O, H, C, N, and S which are gas components is 5 ppm by mass to 100 ppm by mass.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: March 30, 2021
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Kosei Fukuoka, Yuki Ito, Kazunari Maki
  • Patent number: 10964453
    Abstract: The present invention is a superconducting stabilization material used for a superconducting wire, which is formed of a copper material which contains: one or more types of additive elements selected from Ca, La, and Ce in a total of 3 ppm by mass to 400 ppm by mass; and a balance being Cu and inevitable impurities and in which a total concentration of the inevitable impurities excluding O, H, C, N, and S which are gas components is 5 ppm by mass to 100 ppm by mass.
    Type: Grant
    Filed: December 24, 2015
    Date of Patent: March 30, 2021
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Kosei Fukuoka, Yuki Ito, Kazunari Maki
  • Patent number: 10910132
    Abstract: The present invention is a superconducting wire including: a wire formed of a superconducting material; and a superconducting stabilization material disposed in contact with the wire, in which the superconducting stabilization material is formed of a copper material which contains: one or more types of additive elements selected from Ca, Sr, Ba, and rare earth elements in a total of 3 ppm by mass to 400 ppm by mass; a balance being Cu and inevitable impurities, and in which a total concentration of the inevitable impurities excluding O, H, C, N, and S which are gas components is 5 ppm by mass to 100 ppm by mass.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: February 2, 2021
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Kosei Fukuoka, Yuki Ito, Kazunari Maki
  • Publication number: 20200340079
    Abstract: A superconductivity stabilizing material used for a superconducting wire and which is formed of a copper material containing at least one of additive elements selected from Ca, Sr, Ba, and rare earth elements in a range of 3 ppm by mass or more and 100 ppm by mass or less in total, with a remainder being Cu and unavoidable impurities, in which the total concentration of the unavoidable impurities, excluding O, H, C, N, and S which are gas components, is 5 ppm by mass or more and 100 ppm by mass or less, the half-softening temperature thereof is 200° C. or lower, the Vickers hardness thereof is 55 Hv or more, and the residual resistance ratio (RRR) thereof is 50 or more and 500 or less.
    Type: Application
    Filed: October 30, 2018
    Publication date: October 29, 2020
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Kosei FUKUOKA, Yuki ITO, Kazunari MAKI
  • Publication number: 20200002787
    Abstract: The stabilizer material for superconductor of the present invention is used for a superconducting wire, and the stabilizer material for superconductor includes a copper material, the copper material contains one kind or more of additive elements selected from Mg, Mn, Ti, Y, and Zr for a total amount of 3 ppm by mass or more and 100 ppm by mass or less, with the remainder being Cu and unavoidable impurities, the total concentration of the unavoidable impurities other than O, H, C, N, and S, which are gas components, is 5 ppm by mass or more and 100 ppm by mass or less, and compounds including one kind or more selected from MgS, MgSO4, MnS, TiS, YS, Y2SO2, and ZrS are present in the matrix.
    Type: Application
    Filed: April 3, 2017
    Publication date: January 2, 2020
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Kosei FUKUOKA, Yuki ITO, Kazunari MAKI
  • Publication number: 20190338396
    Abstract: This stabilizer material for superconductor includes a copper material, wherein the copper material contains one kind or two kinds or more of additive elements selected from Ca, La, and Ce for a total amount of 3 ppm by mass or more and 400 ppm by mass or less, with the remainder being Cu and unavoidable impurities, and the total concentration of the unavoidable impurities other than O, H, C, N, and S, which are gas components, is 5 ppm by mass or more and 100 ppm by mass or less, and compounds including one kind or two kinds or more selected from CaS, CaSO4, LaS, La2SO2, CeS, and Ce2SO2 are present in the matrix.
    Type: Application
    Filed: April 3, 2017
    Publication date: November 7, 2019
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Kosei FUKUOKA, Yuki ITO, Kazunari MAKI
  • Publication number: 20190066865
    Abstract: This superconducting wire includes: a strand including a superconducting material; and a stabilizer material for superconductor arranged in contact with the strand, wherein the stabilizer material for superconductor includes a copper material which contains one kind or two kinds or more of additive elements selected from Ca, Sr, Ba, and rare earth elements (RE) for a total amount of 3 ppm by mass or more and 400 ppm by mass or less, with the remainder being Cu and unavoidable impurities, the total concentration of the unavoidable impurities other than O, H, C, N, and S, which are gas components, is 5 ppm by mass or more and 100 ppm by mass or less, and compounds including one kind or two kinds or more selected from CaS, CaSO4, SrS, SrSO4, BaS, BaSO4, (RE)S, and (RE)2SO2 are present in the matrix.
    Type: Application
    Filed: April 3, 2017
    Publication date: February 28, 2019
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Kosei FUKUOKA, Yuki ITO, Kazunari MAKI
  • Publication number: 20180005731
    Abstract: The present invention is a superconducting wire including: a wire formed of a superconducting material; and a superconducting stabilization material disposed in contact with the wire, in which the superconducting stabilization material is formed of a copper material which contains: one or more types of additive elements selected from Ca, Sr, Ba, and rare earth elements in a total of 3 ppm by mass to 400 ppm by mass; a balance being Cu and inevitable impurities, and in which a total concentration of the inevitable impurities excluding O, H, C, N, and S which are gas components is 5 ppm by mass to 100 ppm by mass.
    Type: Application
    Filed: December 22, 2015
    Publication date: January 4, 2018
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Kosei FUKUOKA, Yuki ITO, Kazunari MAKI
  • Publication number: 20170352453
    Abstract: The present invention is a superconducting stabilization material used for a superconducting wire, which is formed of a copper material which contains: one or more types of additive elements selected from Ca, La, and Ce in a total of 3 ppm by mass to 400 ppm by mass; and a balance being Cu and inevitable impurities and in which a total concentration of the inevitable impurities excluding O, H, C, N, and S which are gas components is 5 ppm by mass to 100 ppm by mass.
    Type: Application
    Filed: December 24, 2015
    Publication date: December 7, 2017
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Kosei FUKUOKA, Yuki ITO, Kazunari MAKI