Patents by Inventor Taichiro Nishikawa

Taichiro Nishikawa 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: 10910126
    Abstract: An aluminum alloy contains equal to or more than 0.005 mass % and equal to or less than 2.2 mass % of Fe, and a remainder of Al and an inevitable impurity. In a transverse section of the aluminum alloy wire, a surface-layer void measurement region in a shape of a rectangle having a short side length of 30 ?m and a long side length of 50 ?m is defined within a surface layer region extending from a surface of the aluminum alloy wire by 30 ?m in a depth direction, and a total cross-sectional area of voids in the surface-layer void measurement region is equal to or less than 2 ?m2.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: February 2, 2021
    Assignees: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Misato Kusakari, Tetsuya Kuwabara, Yoshihiro Nakai, Taichiro Nishikawa, Yasuyuki Otsuka, Hayato Ooi
  • Publication number: 20200395143
    Abstract: An aluminum alloy wire composed of an aluminum alloy, wherein the aluminum alloy contains more than or equal to 0.03 mass % and less than or equal to 1.5 mass % of Mg, more than or equal to 0.02 mass % and less than or equal to 2.0 mass % of Si, and a remainder of Al and an inevitable impurity, Mg/Si being more than or equal to 0.5 and less than or equal to 3.5 in mass ratio, and the aluminum alloy wire has a dynamic friction coefficient of less than or equal to 0.8.
    Type: Application
    Filed: August 26, 2020
    Publication date: December 17, 2020
    Applicants: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Misato KUSAKARI, Tetsuya KUWABARA, Yoshihiro NAKAI, Taichiro NISHIKAWA, Yasuyuki OTSUKA, Hayato OOI
  • Patent number: 10822676
    Abstract: An aluminum alloy wire composed of an aluminum alloy, wherein the aluminum alloy contains more than or equal to 0.005 mass % and less than or equal to 2.2 mass % of Fe and a remainder of Al and an inevitable impurity, and the aluminum alloy wire has a dynamic friction coefficient of less than or equal to 0.8.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: November 3, 2020
    Assignees: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Misato Kusakari, Tetsuya Kuwabara, Yoshihiro Nakai, Taichiro Nishikawa, Yasuyuki Otsuka, Hayato Ooi
  • Patent number: 10796811
    Abstract: An aluminum alloy wire composed of an aluminum alloy, wherein the aluminum alloy contains more than or equal to 0.03 mass % and less than or equal to 1.5 mass % of Mg, more than or equal to 0.02 mass % and less than or equal to 2.0 mass % of Si, and a remainder of Al and an inevitable impurity, Mg/Si being more than or equal to 0.5 and less than or equal to 3.5 in mass ratio, and the aluminum alloy wire has a dynamic friction coefficient of less than or equal to 0.8.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: October 6, 2020
    Assignees: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Misato Kusakari, Tetsuya Kuwabara, Yoshihiro Nakai, Taichiro Nishikawa, Yasuyuki Otsuka, Hayato Ooi
  • Publication number: 20200234841
    Abstract: An aluminum alloy wire composed of an aluminum alloy, wherein the aluminum alloy contains more than or equal to 0.03 mass % and less than or equal to 1.5 mass % of Mg, more than or equal to 0.02 mass % and less than or equal to 2.0 mass % of Si, and a remainder of Al and an inevitable impurity, Mg/Si being more than or equal to 0.5 and less than or equal to 3.5 in mass ratio, and the aluminum alloy wire has a dynamic friction coefficient of less than or equal to 0.8.
    Type: Application
    Filed: April 7, 2020
    Publication date: July 23, 2020
    Applicants: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Misato KUSAKARI, Tetsuya KUWABARA, Yoshihiro NAKAI, Taichiro NISHIKAWA, Yasuyuki OTSUKA, Hayato OOI
  • Patent number: 10706986
    Abstract: An aluminum alloy wire is composed of an aluminum alloy. The aluminum alloy contains equal to or more than 0.005 mass % and equal to or less than 2.2 mass % of Fe, and a remainder of Al and an inevitable impurity. In a transverse section of the aluminum alloy wire, a surface-layer crystallization measurement region in a shape of a rectangle having a short side length of 50 ?m and a long side length of 75 ?m is defined within a surface layer region extending from a surface of the aluminum alloy wire by 50 ?m in a depth direction, and an average area of crystallized materials in the surface-layer crystallization measurement region is equal to or more than 0.05 ?m2 and equal to or less than 3 ?m2.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: July 7, 2020
    Assignees: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Misato Kusakari, Tetsuya Kuwabara, Yoshihiro Nakai, Taichiro Nishikawa, Yasuyuki Otsuka, Hayato Ooi
  • Publication number: 20200181741
    Abstract: An aluminum alloy wire composed of an aluminum alloy is provided. The aluminum alloy contains at least 0.03 mass % and at most 1.5 mass % of Mg, at least 0.02 mass % and at most 2.0 mass % of Si, and a remainder composed of Al and an inevitable impurity, a mass ratio Mg/Si being not lower than 0.5 and not higher than 3.5. In a transverse section of the aluminum alloy wire, a rectangular surface-layer crystallization measurement region having a short side of 50 ?m long and a long side of 75 ?m long is taken from a surface-layer region extending by up to 50 ?m in a direction of depth from a surface of the aluminum alloy wire, and an average area of crystallized materials present in the surface-layer crystallization measurement region is not smaller than 0.05 ?m2 and not greater than 3 ?m2.
    Type: Application
    Filed: August 28, 2017
    Publication date: June 11, 2020
    Applicants: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Misato KUSAKARI, Tetsuya KUWABARA, Yoshihiro NAKAI, Taichiro NISHIKAWA, Yasuyuki OTSUKA, Hayato OOI
  • Patent number: 10650936
    Abstract: An aluminum alloy wire composed of an aluminum alloy, wherein the aluminum alloy contains more than or equal to 0.03 mass % and less than or equal to 1.5 mass % of Mg, more than or equal to 0.02 mass % and less than or equal to 2.0 mass % of Si, and a remainder of Al and an inevitable impurity, Mg/Si being more than or equal to 0.5 and less than or equal to 3.5 in mass ratio, and the aluminum alloy wire has a dynamic friction coefficient of less than or equal to 0.8.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: May 12, 2020
    Assignees: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Misato Kusakari, Tetsuya Kuwabara, Yoshihiro Nakai, Taichiro Nishikawa, Yasuyuki Otsuka, Hayato Ooi
  • Publication number: 20200090828
    Abstract: An aluminum alloy contains at least 0.03 mass % and at most 1.5 mass % of Mg, at least 0.02 mass % and at most 2.0 mass % of Si, and a remainder composed of Al and an inevitable impurity, a mass ratio Mg/Si being not lower than 0.5 and not higher than 3.5. In a transverse section of the aluminum alloy wire, a rectangular surface-layer void measurement region having a short side of 30 ?m long and a long side of 50 ?m long is taken from a surface-layer region extending by up to 30 ?m in a direction of depth from a surface of the aluminum alloy wire. A total cross-sectional area of voids present in the surface-layer void measurement region is not greater than 2 ?m2.
    Type: Application
    Filed: April 4, 2017
    Publication date: March 19, 2020
    Applicants: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Misato KUSAKARI, Tetsuya KUWABARA, Yoshihiro NAKAI, Taichiro NISHIKAWA, Yasuyuki OTSUKA, Hayato OOI
  • Publication number: 20200075192
    Abstract: An aluminum alloy wire composed of an aluminum alloy, wherein the aluminum alloy contains more than or equal to 0.03 mass % and less than or equal to 1.5 mass % of Mg, more than or equal to 0.02 mass % and less than or equal to 2.0 mass % of Si, and a remainder of Al and an inevitable impurity, Mg/Si being more than or equal to 0.5 and less than or equal to 3.5 in mass ratio, and the aluminum alloy wire has a dynamic friction coefficient of less than or equal to 0.8.
    Type: Application
    Filed: November 8, 2019
    Publication date: March 5, 2020
    Applicants: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Misato KUSAKARI, Tetsuya KUWABARA, Yoshihiro NAKAI, Taichiro NISHIKAWA, Yasuyuki OTSUKA, Hayato OOI
  • Publication number: 20200075191
    Abstract: An aluminum alloy wire is composed of an aluminum alloy. The aluminum alloy contains equal to or more than 0.005 mass % and equal to or less than 2.2 mass % of Fe, and a remainder of Al and an inevitable impurity. In a transverse section of the aluminum alloy wire, a surface-layer crystallization measurement region in a shape of a rectangle having a short side length of 50 ?m and a long side length of 75 ?m is defined within a surface layer region extending from a surface of the aluminum alloy wire by 50 ?m in a depth direction, and an average area of crystallized materials in the surface-layer crystallization measurement region is equal to or more than 0.05 ?m2 and equal to or less than 3 ?m2.
    Type: Application
    Filed: November 5, 2019
    Publication date: March 5, 2020
    Applicants: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Misato KUSAKARI, Tetsuya KUWABARA, Yoshihiro NAKAI, Taichiro NISHIKAWA, Yasuyuki OTSUKA, Hayato OOI
  • Publication number: 20200066420
    Abstract: An aluminum alloy contains equal to or more than 0.005 mass % and equal to or less than 2.2 mass % of Fe, and a remainder of Al and an inevitable impurity. In a transverse section of the aluminum alloy wire, a surface-layer void measurement region in a shape of a rectangle having a short side length of 30 ?m and a long side length of 50 ?m is defined within a surface layer region extending from a surface of the aluminum alloy wire by 30 ?m in a depth direction, and a total cross-sectional area of voids in the surface-layer void measurement region is equal to or less than 2 ?m2.
    Type: Application
    Filed: April 4, 2017
    Publication date: February 27, 2020
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Misato KUSAKARI, Tetsuya KUWABARA, Yoshihiro NAKAI, Taichiro NISHIKAWA, Yasuyuki OTSUKA, Hayato OOI
  • Patent number: 10553328
    Abstract: An aluminum alloy wire is composed of an aluminum alloy. The aluminum alloy contains equal to or more than 0.005 mass % and equal to or less than 2.2 mass % of Fe, and a remainder of Al and an inevitable impurity. In a transverse section of the aluminum alloy wire, a surface-layer crystallization measurement region in a shape of a rectangle having a short side length of 50 ?m and a long side length of 75 ?m is defined within a surface layer region extending from a surface of the aluminum alloy wire by 50 ?m in a depth direction, and an average area of crystallized materials in the surface-layer crystallization measurement region is equal to or more than 0.05 ?m2 and equal to or less than 3 ?m2.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: February 4, 2020
    Assignees: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Misato Kusakari, Tetsuya Kuwabara, Yoshihiro Nakai, Taichiro Nishikawa, Yasuyuki Otsuka, Hayato Ooi
  • Publication number: 20200035377
    Abstract: Provided are: a copper alloy wire having an excellent electrical conductivity, a high strength, and an excellent elongation; a copper alloy stranded wire including the copper alloy wire; an electric wire including the copper alloy wire or the copper alloy stranded wire as a conductor; a terminal-fitted electric wire including the aforementioned electric wire; and a method of manufacturing a copper alloy wire. The copper alloy wire has a composition including: not less than 0.2% by mass and not more than 1% by mass of Mg; not less than 0.02% by mass and not more than 0.1% by mass of P; and the balance including Cu and inevitable impurities. The copper alloy wire has an electrical conductivity of not less than 60% IACS, a tensile strength of not less than 400 MPa, and an elongation at breakage of not less than 5%.
    Type: Application
    Filed: September 30, 2019
    Publication date: January 30, 2020
    Applicants: Sumitomo Electric Industries, Ltd., AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Akiko Inoue, Tetsuya Kuwabara, Yoshihiro Nakai, Taichiro Nishikawa, Hiroyuki Kobayashi
  • Patent number: 10522263
    Abstract: An aluminum alloy wire composed of an aluminum alloy, wherein the aluminum alloy contains more than or equal to 0.03 mass % and less than or equal to 1.5 mass % of Mg, more than or equal to 0.02 mass % and less than or equal to 2.0 mass % of Si, and a remainder of Al and an inevitable impurity, Mg/Si being more than or equal to 0.5 and less than or equal to 3.5 in mass ratio, and the aluminum alloy wire has a dynamic friction coefficient of less than or equal to 0.8.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: December 31, 2019
    Assignees: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Misato Kusakari, Tetsuya Kuwabara, Yoshihiro Nakai, Taichiro Nishikawa, Yasuyuki Otsuka, Hayato Ooi
  • Patent number: 10515734
    Abstract: An aluminum alloy wire is composed of an aluminum alloy. The aluminum alloy contains equal to or more than 0.005 mass % and equal to or less than 2.2 mass % of Fe, and a remainder of Al and an inevitable impurity. In a transverse section of the aluminum alloy wire, a surface-layer crystallization measurement region in a shape of a rectangle having a short side length of 50 ?m and a long side length of 75 ?m is defined within a surface layer region extending from a surface of the aluminum alloy wire by 50 ?m in a depth direction, and an average area of crystallized materials in the surface-layer crystallization measurement region is equal to or more than 0.05 ?m2 and equal to or less than 3 ?m2.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: December 24, 2019
    Assignees: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Misato Kusakari, Tetsuya Kuwabara, Yoshihiro Nakai, Taichiro Nishikawa, Yasuyuki Otsuka, Hayato Ooi
  • Publication number: 20190360074
    Abstract: A covered electrical wire comprising a conductor and an insulating covering layer provided outside the conductor, the conductor being a stranded wire composed of a strand of a plurality of copper alloy wires: composed of a copper alloy containing Fe in an amount of 0.2% by mass or more and 1.5% by mass or less, P in an amount of 0.05% by mass or more and 0.7% by mass or less, Mg in an amount of 0.01% by mass or more and 0.5% by mass or less, and one or more elements selected from C, Si and Mn in an amount of 10 ppm by mass or more and 500 ppm by mass or less in total, with the balance being Cu and impurities; and having a wire diameter of 0.5 mm or less.
    Type: Application
    Filed: November 2, 2017
    Publication date: November 28, 2019
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Kei Sakamoto, Akiko Inoue, Tetsuya Kuwabara, Yoshihiro Nakai, Kazuhiro Nanjo, Kiyotaka Utsunomiya, Taichiro Nishikawa, Minoru Nakamoto, Yusuke Oshima, Yasuyuki Otsuka, Kinji Taguchi, Hiroyuki Kobayashi
  • Publication number: 20190355489
    Abstract: A covered electrical wire comprising a conductor and an insulating covering layer provided outside the conductor, the conductor being a stranded wire composed of a strand of a plurality of copper alloy wires: composed of a copper alloy containing Fe in an amount of 0.1% by mass or more and 1.6% by mass or less, Pin an amount of 0.05% by mass or more and 0.7% by mass or less, and Sn in an amount of 0.05% by mass or more and 0.7% by mass or less, with the balance being Cu and impurities; and having a wire diameter of 0.5 mm or less, the copper alloy wire having a tensile strength of 385 MPa or more and a work-hardening exponent of 0.1 or more.
    Type: Application
    Filed: June 21, 2017
    Publication date: November 21, 2019
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Kei SAKAMOTO, Akiko INOUE, Tetsuya KUWABARA, Minoru NAKAMOTO, Yusuke OSHIMA, Yoshihiro NAKAI, Kazuhiro NANJO, Taichiro NISHIKAWA, Kiyotaka UTSUNOMIYA, Yasuyuki OOTSUKA, Kinji TAGUCHI, Hiroyuki KOBAYASHI
  • Publication number: 20190341164
    Abstract: A covered electrical wire comprises a conductor and an insulating covering layer provided outside the conductor, the conductor being a stranded wire composed of a strand of a plurality of copper alloy wires: composed of a copper alloy containing Fe in an amount of 0.2% by mass or more and 1.6% by mass or less, P in an amount of 0.05% by mass or more and 0.4% by mass or less, and Sn in an amount of 0.05% by mass or more and 0.7% by mass or less, with the balance being Cu and impurities, and having a mass ratio of Fe/P of 4.0 or more; and having a wire diameter of 0.5 mm or less.
    Type: Application
    Filed: December 28, 2016
    Publication date: November 7, 2019
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Kei Sakamoto, Akiko Inoue, Tetsuya Kuwabara, Minoru Nakamoto, Yusuke Oshima, Yoshihiro Nakai, Kazuhiro Nanjyo, Taichiro Nishikawa, Kiyotaka Utsunomiya, Yasuyuki Ootsuka, Kinji Taguchi, Hiroyuki Kobayashi
  • Publication number: 20190292632
    Abstract: An aluminum alloy wire composed of an aluminum alloy, wherein the aluminum alloy contains more than or equal to 0.005 mass % and less than or equal to 2.2 mass % of Fe and a remainder of Al and an inevitable impurity, and the aluminum alloy wire has a dynamic friction coefficient of less than or equal to 0.8.
    Type: Application
    Filed: August 28, 2017
    Publication date: September 26, 2019
    Applicants: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Misato KUSAKARI, Tetsuya KUWABARA, Yoshihiro NAKAI, Taichiro NISHIKAWA, Yasuyuki OTSUKA, Hayato OOI