Patents by Inventor Tomoyuki Awazu
Tomoyuki Awazu 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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Publication number: 20240029914Abstract: An electrically conductive wire includes a core wire made of metal, and a coating layer made of stainless steel covering a surface of the core wire. The metal constituting the core wire has an electrical conductivity greater than that of the stainless steel. The core wire includes a diffusion layer containing not less than 0.5 mass % Fe, arranged to constitute the surface of the core wire. The diffusion layer has a thickness that is not less than 0.4% and not more than 5% of the diameter of the core wire.Type: ApplicationFiled: July 28, 2022Publication date: January 25, 2024Applicant: Sumitomo Electric Industries, Ltd.Inventors: Kazuaki SUGIMURA, Takayuki SHIWAKU, Tomoyuki AWAZU
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Patent number: 11757101Abstract: The metal porous body having a framework of a three-dimensional network structure is disclosed. The framework is formed of a metal film, the framework has an interior that is hollow, and the metal film contains titanium metal or titanium alloy as a main component.Type: GrantFiled: March 13, 2018Date of Patent: September 12, 2023Assignee: Sumitomo Electric Industries, Ltd.Inventors: Koma Numata, Masatoshi Majima, Tomoyuki Awazu, Mitsuyasu Ogawa, Takahiro Higashino, Hiromasa Tawarayama
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Patent number: 11440799Abstract: A carbon material has at least either a peak related to diamond bonds, or a peak related to diamond-like bonds, appearing in a range of 1250 to 1400 cm?1 in a spectrum measured by Raman scattering spectrometry, and a full width at half maximum of a maximum peak, or each of full widths at half maximum of the maximum peak and a second largest peak, among peaks appearing in the range of 1250 to 1400 cm?1, has a signal less than 100 cm?1.Type: GrantFiled: November 21, 2017Date of Patent: September 13, 2022Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., KYOTO UNIVERSITYInventors: Tomoyuki Awazu, Masatoshi Majima, Yoshiki Nishibayashi, Toshiyuki Nohira, Kouji Yasuda, Kouji Hidaka
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Patent number: 11228043Abstract: A porous metal body including a skeleton having a three-dimensional mesh-like structure, the porous metal body having a plate-like overall shape. The skeleton has a hollow structure and includes a primary metal layer and at least one of a first microporous layer and a second microporous layer. The primary metal layer is composed of nickel or a nickel alloy. The first microporous layer contains nickel and chromium and is disposed on the outer peripheral surface of the primary metal layer. The second microporous layer contains nickel and chromium and is disposed on the inner peripheral surface of the primary metal layer, the inner peripheral surface facing the hollow space of the skeleton.Type: GrantFiled: August 31, 2020Date of Patent: January 18, 2022Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Kazuki Okuno, Takahiro Higashino, Masatoshi Majima, Tomoyuki Awazu
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Publication number: 20210249666Abstract: A metal porous body includes a flat plate shape and having continuous pores, a framework of the metal porous body including an alloy layer containing nickel and at least one of chromium and tin, a cobalt layer being formed on a surface of the alloy layer.Type: ApplicationFiled: June 22, 2018Publication date: August 12, 2021Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Koma NUMATA, Masatoshi MAJIMA, Tomoyuki AWAZU, Kazuki OKUNO, Chihiro HIRAIWA
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Patent number: 11066724Abstract: A method for separating metal components from a treatment material containing a silicate and metal elements includes: a reaction step of reacting the treatment material and a molten alkali hydroxide in which bubbles due to water vapor derived from water are generated by heating a hydroxide of an alkali metal or an alkaline-earth metal and the water in a state where the hydroxide and the water coexist, to obtain a reaction product; and a first precipitation step of dissolving the reaction product of the treatment material and the molten alkali hydroxide after the reaction step in water, thereby generating a precipitate containing the metal elements.Type: GrantFiled: December 27, 2016Date of Patent: July 20, 2021Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Tomoyuki Awazu, Masatoshi Majima, Mitsutaka Tsubokura, Tetsuo Oishi
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Publication number: 20200403252Abstract: A porous metal body including a skeleton having a three-dimensional mesh-like structure, the porous metal body having a plate-like overall shape. The skeleton has a hollow structure and includes a primary metal layer and at least one of a first microporous layer and a second microporous layer. The primary metal layer is composed of nickel or a nickel alloy. The first microporous layer contains nickel and chromium and is disposed on the outer peripheral surface of the primary metal layer. The second microporous layer contains nickel and chromium and is disposed on the inner peripheral surface of the primary metal layer, the inner peripheral surface facing the hollow space of the skeleton.Type: ApplicationFiled: August 31, 2020Publication date: December 24, 2020Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Kazuki OKUNO, Takahiro HIGASHINO, Masatoshi MAJIMA, Tomoyuki AWAZU
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Publication number: 20200373586Abstract: Provided are a porous metal body that is excellent in terms of corrosion resistance and that is suitable for a collector for batteries such as lithium-ion batteries, capacitors, or fuel cells; and methods for producing the porous metal body. A production method includes a step of coating a porous nickel body with an alloy containing at least nickel and tungsten or a metal containing at least tin; and a subsequent step of a heat treatment. Another production method includes a step of forming a nickel-plated layer on a porous base and then continuously forming an alloy-plated layer containing at least nickel and tungsten or tin, a step of removing the porous base, and a step of reducing metal. Such a method can provide a porous metal body in which tungsten or tin is diffused in a porous nickel body or a nickel-plated layer.Type: ApplicationFiled: August 11, 2020Publication date: November 26, 2020Inventors: Kazuki Okuno, Masahiro Kato, Masatoshi Majima, Tomoyuki Awazu, Hidetoshi Saito, Junichi Nishimura, Keiji Shiraishi, Hitoshi Tsuchida, Kengo Tsukamoto
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Patent number: 10811696Abstract: A porous metal body including a skeleton having a three-dimensional mesh-like structure, the porous metal body having a plate-like overall shape. The skeleton has a hollow structure and includes a primary metal layer and at least one of a first microporous layer and a second microporous layer. The primary metal layer is composed of nickel or a nickel alloy. The first microporous layer contains nickel and chromium and is disposed on the outer peripheral surface of the primary metal layer. The second microporous layer contains nickel and chromium and is disposed on the inner peripheral surface of the primary metal layer, the inner peripheral surface facing the hollow space of the skeleton.Type: GrantFiled: July 28, 2016Date of Patent: October 20, 2020Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Kazuki Okuno, Takahiro Higashino, Masatoshi Majima, Tomoyuki Awazu
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Publication number: 20200251750Abstract: A porous metal body has a three-dimensional mesh-like structure skeleton and containing at least nickel and tin. The nickel content is 50 mass % or more, and the tin content is 5 mass % or more and 25 mass % or less. The porous metal body has a thickness of 0.10 mm or more and 0.50 mm or less.Type: ApplicationFiled: March 23, 2020Publication date: August 6, 2020Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Kazunari MIYAMOTO, Tomoyuki AWAZU, Masatoshi MAJIMA, Kazuki OKUNO, Takahiro HIGASHINO
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Publication number: 20200190680Abstract: A composite metal porous body according to an aspect of the present invention has a framework of a three-dimensional network structure. The framework includes a porous base material and a metal film coated on the surface of the porous base material. The metal film contains titanium metal or titanium alloy as the main component.Type: ApplicationFiled: March 13, 2018Publication date: June 18, 2020Applicant: Sumitomo Electric Industries, Ltd.Inventors: Koma NUMATA, Masatoshi MAJIMA, Tomoyuki AWAZU, Mitsuyasu OGAWA, Kazuki OKUNO, Takahiro HIGASHINO
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Publication number: 20200161666Abstract: A metal porous body includes a flat plate shape and having continuous pores, a framework of the metal porous body having an alloy layer containing nickel and chromium, and a silver layer being formed on a surface of the alloy layer.Type: ApplicationFiled: June 22, 2018Publication date: May 21, 2020Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Koma NUMATA, Masatoshi MAJIMA, Tomoyuki AWAZU, Kazuki OKUNO, Chihiro HIRAIWA
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Publication number: 20200102664Abstract: A method for manufacturing a titanium-plated member includes: preparing a substrate having an electrically conductive surface; immersing the substrate in a molten-salt titanium plating solution composition containing ions of at least one Group I metal selected from the group of Li+ and Na+, F?, and Tin+; forming a titanium plating film on the surface of the substrate by applying electric current to cause the substrate immersed in the molten-salt titanium plating solution composition to serve as a cathode and cause the surface of the substrate to be coated with titanium; cleaning the titanium plating film by bringing the titanium plating film into contact with a cleaning molten salt, the cleaning molten salt containing at least one compound selected from the group consisting of alkaline metal chloride, alkaline earth metal chloride, and potassium fluoride; and cleaning the titanium plating film with water.Type: ApplicationFiled: March 13, 2018Publication date: April 2, 2020Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Koma NUMATA, Masatoshi MAJIMA, Tomoyuki AWAZU
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Publication number: 20200099063Abstract: A porous metal body including a skeleton having a three-dimensional mesh-like structure, the porous metal body having a plate-like overall shape. The skeleton has a hollow structure and includes a primary metal layer and at least one of a first microporous layer and a second microporous layer. The primary metal layer is composed of nickel or a nickel alloy. The first microporous layer contains nickel and chromium and is disposed on the outer peripheral surface of the primary metal layer. The second microporous layer contains nickel and chromium and is disposed on the inner peripheral surface of the primary metal layer, the inner peripheral surface facing the hollow space of the skeleton.Type: ApplicationFiled: July 28, 2016Publication date: March 26, 2020Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Kazuki OKUNO, Takahiro HIGASHINO, Masatoshi MAJIMA, Tomoyuki AWAZU
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Publication number: 20200080216Abstract: A molten-salt titanium plating solution composition contains: ions of at least one Group I metal selected from the group of lithium and sodium, fluoride ions, and titanium ions. The molten-salt titanium plating solution composition contains less than or equal to 5 mol % of potassium ions with respect to 100 mol % of all ion components contained in the molten-salt titanium plating solution composition.Type: ApplicationFiled: March 13, 2018Publication date: March 12, 2020Applicant: Sumitomo Electric Industries, Ltd.Inventors: Koma NUMATA, Masatoshi MAJIMA, Tomoyuki AWAZU
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Publication number: 20200063281Abstract: The titanium plating solution production method including measuring a titanium plating solution containing fluorine and titanium by cyclic voltammetry under the following conditions, and adding titanium to the titanium plating solution so that the potential difference between the spontaneous potential and the Ti3+/Ti4+ redox potential is 0.75 V or more. Conditions: when the temperature of the titanium plating solution is 650° C. to 850° C. and when glassy carbon is used as a working electrode, platinum is used as a pseudo-reference electrode and titanium is used as a counter electrode, the potential scanning is repeatedly performed on the working electrode for at least five times at a scanning speed of 1 mV/sec to 500 mV/sec between a lower potential limit which is the immersion potential of the working electrode and an upper potential limit which is a potential that is 2 V to 4 V higher than the lower potential limit.Type: ApplicationFiled: September 12, 2017Publication date: February 27, 2020Applicants: Sumitomo Electric Industries, Ltd., Kyoto UniversityInventors: Koma NUMATA, Masatoshi MAJIMA, Tomoyuki AWAZU, Mitsuyasu OGAWA, Toshiyuki NOHIRA, Kouji YASUDA, Yutaro NORIKAWA
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Publication number: 20200036011Abstract: The metal porous body according to one aspect of the present invention has a framework of a three-dimensional network structure. The framework is hollow inside and is formed of a metal film, and the metal film contains titanium metal or titanium alloy as the main component.Type: ApplicationFiled: March 13, 2018Publication date: January 30, 2020Applicant: Sumitomo Electric Industries, Ltd.Inventors: Koma NUMATA, Masatoshi MAJIMA, Tomoyuki AWAZU, Mitsuyasu OGAWA, Takahiro HIGASHINO, Hiromasa TAWARAYAMA
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Publication number: 20190359487Abstract: A carbon material has at least either a peak related to diamond bonds, or a peak related to diamond-like bonds, appearing in a range of 1250 to 1400 cm?1 in a spectrum measured by Raman scattering spectrometry, and a full width at half maximum of a maximum peak, or each of full widths at half maximum of the maximum peak and a second largest peak, among peaks appearing in the range of 1250 to 1400 cm?1, has a signal less than 100 cm?1.Type: ApplicationFiled: November 21, 2017Publication date: November 28, 2019Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., KYOTO UNIVERSITYInventors: Tomoyuki AWAZU, Masatoshi MAJIMA, Yoshiki NISHIBAYASHI, Toshiyuki NOHIRA, Kouji YASUDA, Kouji HIDAKA
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Patent number: 10309022Abstract: An element recovery method and an element recovery apparatus are provided by which an element containing a high-purity rare earth element can be recovered at low cost. The element recovery method includes the steps of: preparing molten salt containing a rare earth element; and controlling electric potentials in a pair of electrode members at prescribed values while keeping the pair of electrode members in contact with the molten salt, thereby depositing the rare earth element existing in the molten salt on one of the pair of electrode members. In this way, as compared with the conventional wet separation method, an element such as a rare earth element that is to be recovered can be directly recovered from the molten salt in which the element is dissolved, so that the steps of the recovery method can be simplified and reduced in cost.Type: GrantFiled: August 8, 2012Date of Patent: June 4, 2019Assignees: Sumitomo Electric Industries, Ltd., Kyoto UniversityInventors: Tomoyuki Awazu, Takayasu Sugihara, Masatoshi Majima, Toshiyuki Nohira, Rika Hagiwara, Seitaro Kobayashi
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Publication number: 20190093249Abstract: Provided is a conductive material including: a base material that is conductive at least at a surface thereof; and a titanium film on the surface of the base material, the titanium film having an average film thickness of not less than 1 ?m and not more than 300 ?m.Type: ApplicationFiled: February 27, 2017Publication date: March 28, 2019Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., Kyoto UniversityInventors: Koma NUMATA, Masatoshi MAJIMA, Tomoyuki AWAZU, Mitsuyasu OGAWA, Toshiyuki NOHIRA, Kouji YASUDA, Yutaro NORIKAWA