Patents by Inventor Koutarou Kimura

Koutarou Kimura 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).

  • Publication number: 20200373585
    Abstract: A metal porous body is a metal porous body mainly composed of nickel and having a framework of a three-dimensional network structure, Ni(OH)2 being present in a surface of the framework, when the metal porous body is subjected to at least 30 potential scans between a lower limit potential of ?0.10 V and an upper limit potential of +0.65 V with respect to a hydrogen standard potential in not less than 10% by mass and not more than 35% by mass of a potassium hydroxide aqueous solution, at least oxygen being detected within a depth of 5 nm from the surface, and hydrogen being detected at least in the surface.
    Type: Application
    Filed: July 11, 2018
    Publication date: November 26, 2020
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC TOYAMA CO., LTD., PRIMEARTH EV ENERGY CO., LTD.
    Inventors: Kazuki OKUNO, Masatoshi MAJIMA, Hitoshi TSUCHIDA, Junichi NISHIMURA, Koutarou KIMURA, Yusuke SHIMIZU
  • Patent number: 10020126
    Abstract: A three-dimensional network aluminum porous body which enables to produce an electrode continuously, an electrode using the aluminum porous body, and a method for producing the electrode is disclosed. A long sheet-shaped three-dimensional network aluminum porous body is provided to be used as a base material in a method for producing an electrode including at least winding off, a thickness adjustment step, a lead welding step, an active material filling step, a drying step, a compressing step, a cutting step and winding-up, wherein the three-dimensional network aluminum porous body has a tensile strength of 0.2 MPa or more and 5 MPa or less.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: July 10, 2018
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC TOYAMA CO., LTD.
    Inventors: Akihisa Hosoe, Kazuki Okuno, Hajime Ota, Koutarou Kimura, Kengo Goto, Junichi Nishimura, Hideaki Sakaida
  • Patent number: 9758887
    Abstract: Provided is a method for producing an aluminum film having a mirror surface and reduced residual stress. A method for producing an aluminum film includes electrodepositing aluminum on a surface of a substrate in an electrolyte solution, in which the electrolyte solution is obtained by adding, to a molten salt composed of aluminum chloride and an alkylimidazolium chloride, at least one compound A selected from the group consisting of an organic solvent, an organic polymer compound having a number-average molecular weight of 200 to 80,000, and a nitrogen-containing heterocyclic compound having 3 to 14 carbon atoms, and a compound B having an amino group.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: September 12, 2017
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Kengo Goto, Akihisa Hosoe, Junichi Nishimura, Kazuki Okuno, Koutarou Kimura, Hideaki Sakaida
  • Publication number: 20170121835
    Abstract: Provided is an aluminum plating solution capable of continuously manufacturing an aluminum film, the surface of which is smooth and which has good elongation. The aluminum plating solution capable of electrodepositing aluminum on a surface of a base contains, as components, (A) an aluminum halide, (B) at least one compound selected from the group consisting of alkylimidazolium halides, alkylpyridinium halides, and urea compounds, and (C1) at least one selected from the group consisting of ammonium salts, phosphonium salts, sulfonium salts, amine compounds, phosphine compounds, and sulfide compounds. The component (C1) has, as at least one side chain, a straight-chain or branched alkyl group having 8 or more and 36 or less carbon atoms. A mixing ratio of the component (A) and the component (B) is in a range of 1:1 to 3:1 in terms of molar ratio. A concentration of the component (C1) is 1.0 g/L or more and 45 g/L or less.
    Type: Application
    Filed: June 4, 2015
    Publication date: May 4, 2017
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Kengo GOTO, Akihisa HOSOE, Junichi NISHIMURA, Tomoharu TAKEYAMA, Kazuki OKUNO, Hideaki SAKAIDA, Koutarou KIMURA, Junichi MOTOMURA
  • Patent number: 9553300
    Abstract: The invention offers an electrode material that can accomplish both high capacity and high output and a battery, a nonaqueous-electrolyte battery, and a capacitor all incorporating the electrode material. The electrode material has a sheet-shaped aluminum porous body carrying an active material. The above-described aluminum porous body has a skeleton structure that is formed of an aluminum layer and that has a vacant space at the interior. When observed by performing cutting in a direction parallel to the direction of thickness of the sheet, the above-described vacant space in the skeleton structure has an average area of 500 ?m2 or more and 6,000 ?m2 or less.
    Type: Grant
    Filed: October 9, 2012
    Date of Patent: January 24, 2017
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Kazuki Okuno, Kengo Goto, Koutarou Kimura, Hajime Ota, Junichi Nishimura, Akihisa Hosoe
  • Publication number: 20170002474
    Abstract: Provided are a manufacturing method and a manufacturing apparatus for an aluminum film in which moisture and oxygen do not intrude into a plating chamber.
    Type: Application
    Filed: January 26, 2015
    Publication date: January 5, 2017
    Inventors: Junichi NISHIMURA, Akihisa HOSOE, Kazuki OKUNO, Koutarou KIMURA, Kengo GOTO, Hideaki SAKAIDA, Junichi MOTOMURA
  • Publication number: 20160369418
    Abstract: Provided is an aluminum plating solution that has a wide current density range in which aluminum plating can be performed and that has a low solution resistance. The aluminum plating solution contains an aluminum halide, at least one selected from the group consisting of an alkylimidazolium halide, an alkylpyridinium halide, and a urea compound, and an ammonium salt represented by the general formula (1) below. A concentration of the ammonium salt is 1 g/L or more and 45 g/L or less. NR4+.X???General formula (1) In the general formula, R each represent a hydrogen atom or an alkyl group which may have a side chain and which has 15 or less carbon atoms, X represents a halogen atom, and R may be the same or different from each other.
    Type: Application
    Filed: January 19, 2015
    Publication date: December 22, 2016
    Inventors: Kengo Goto, Akihisa Hosoe, Junichi Nishimura, Kazuki Okuno, Koutarou Kimura, Hideaki Sakaida, Junichi Motomura
  • Publication number: 20160343519
    Abstract: Provided is a conductive resin molded body that has a three-dimensional network structure and is suitable for producing an aluminum porous body in which the water adsorption amount is small. The conductive resin molded body includes a resin molded body having a three-dimensional network structure and a conductive layer at least containing carbon black and carboxymethylcellulose on the surface of the skeleton of the resin molded body. The conductive layer is preferably formed by applying a carbon coating material at least containing carbon black, carboxymethylcellulose, and water to the surface of the skeleton of the resin molded body and subsequently drying the carbon coating material; and the carbon coating material preferably has a viscosity of 100 mPa·s or more and 600 mPa·s or less.
    Type: Application
    Filed: December 18, 2014
    Publication date: November 24, 2016
    Inventors: Koutarou KIMURA, Akihisa HOSOE, Junichi NISHIMURA, Kazuki OKUNO, Kengo GOTO, Hideaki SAKAIDA, Junichi MOTOMURA
  • Patent number: 9484570
    Abstract: It is an object of the present invention to provide a method for producing an electrode for an electrochemical element, which can easily adjust a capacity and can produce the electrochemical element at low cost. The method for producing an electrode for an electrochemical element of the present invention includes a thickness adjustment step of compressing an aluminum porous body having continuous pores to adjust the thickness of the aluminum porous body to a predetermined thickness, and a filling step of filling the aluminum porous body, the thickness of which is adjusted, with an active material.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: November 1, 2016
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC TOYAMA CO., LTD.
    Inventors: Akihisa Hosoe, Kazuki Okuno, Hajime Ota, Koutarou Kimura, Kengo Goto, Junichi Nishimura, Hideaki Sakaida
  • Publication number: 20160284482
    Abstract: It is an object of the present invention to provide a current collector including an aluminum porous body suitable for an electrode for a nonaqueous electrolyte battery and an electrode for a capacitor electrode, and an electrode using the current collector. In the three-dimensional network aluminum porous body for a current collector of the present invention, when a sheet-shaped three-dimensional aluminum porous body is divided in the width direction into a central region and two end regions with the central region situated therebetween, the weight per unit area of aluminum in the aluminum porous body at the two end regions is larger than the weight per unit area of aluminum in the aluminum porous body at the central region.
    Type: Application
    Filed: June 6, 2016
    Publication date: September 29, 2016
    Inventors: Akihisa HOSOE, Kazuki OKUNO, Hajime OTA, Koutarou KIMURA, Kengo GOTO, Hideaki SAKAIDA, Junichi NISHIMURA
  • Publication number: 20160252309
    Abstract: A metal tube including a metal substrate and a metal porous body disposed on at least part of a surface of the metal substrate. The metal tube is obtained by the steps of joining the metal porous body to at least part of the surface of the metal substrate in flat plate form; and forming the metal substrate with the metal porous body joined thereto into a tubular shape.
    Type: Application
    Filed: August 1, 2014
    Publication date: September 1, 2016
    Inventors: Hideaki SAKAIDA, Akihisa HOSOE, Junichi NISHIMURA, Kazuki OKUNO, Koutarou KIMURA, Kengo GOTO, Junichi MOTOMURA
  • Publication number: 20160230299
    Abstract: A drum electrode, which is used for a device configured to plate a surface of a long base material having electrical conductivity with a metal, includes a power feeding layer, an insulating layer which covers a surface of the power feeding layer, and a projecting electrode which projects from the surface of the insulating layer and is electrically connected to the power feeding layer, in which the projecting electrode is provided linearly in the circumferential direction of the drum electrode.
    Type: Application
    Filed: August 5, 2014
    Publication date: August 11, 2016
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hideaki SAKAIDA, Akihisa HOSOE, Junichi NISHIMURA, Kazuki OKUNO, Koutarou KIMURA, Kengo GOTO
  • Patent number: 9390866
    Abstract: It is an object of the present invention to provide a current collector including an aluminum porous body suitable for an electrode for a nonaqueous electrolyte battery and an electrode for a capacitor electrode, and an electrode using the current collector. In the three-dimensional network aluminum porous body for a current collector of the present invention, when a sheet-shaped three-dimensional aluminum porous body is divided in the width direction into a central region and two end regions with the central region situated therebetween, the weight per unit area of aluminum in the aluminum porous body at the two end regions is larger than the weight per unit area of aluminum in the aluminum porous body at the central region.
    Type: Grant
    Filed: February 14, 2012
    Date of Patent: July 12, 2016
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC TOYAMA CO., LTD.
    Inventors: Akihisa Hosoe, Kazuki Okuno, Hajime Ota, Koutarou Kimura, Kengo Goto, Hideaki Sakaida, Junichi Nishimura
  • Publication number: 20160149224
    Abstract: A lithium battery includes a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte, wherein the positive electrode includes a metal positive electrode current collector having a three-dimensional network hollow skeleton and a positive electrode mixture, which is filled in the positive electrode current collector and which contains a positive electrode active material, the thickness of the positive electrode is 0.2 to 5 mm, the nonaqueous electrolyte contains an ionic liquid and a lithium salt, the ionic liquid is a molten salt of a cation and an anion, and the concentration of the lithium salt in the nonaqueous electrolyte is 0.8 to 6.2 mol/L.
    Type: Application
    Filed: April 15, 2014
    Publication date: May 26, 2016
    Inventors: Kazuki OKUNO, Akihisa HOSOE, Junichi NISHIMURA, Koutarou KIMURA, Kengo GOTO, Hideaki SAKAIDA
  • Patent number: 9337492
    Abstract: It is an object of the present invention to provide an electrochemical element which has a high capacity and is low in cost. The electrochemical element of the present invention is an electrochemical element including an electrode for an electrochemical element, wherein a current collector of positive electrode and/or a current collector of negative electrode is a metal porous body having continuous pores and a mixture containing an active material is filled into the continuous pores.
    Type: Grant
    Filed: August 8, 2012
    Date of Patent: May 10, 2016
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC TOYAMA CO., LTD.
    Inventors: Akihisa Hosoe, Kazuki Okuno, Hajime Ota, Koutarou Kimura, Kengo Goto, Junichi Nishimura, Hideaki Sakaida
  • Publication number: 20160104583
    Abstract: A production method for an aluminum porous body includes a step of producing a resin structure by forming an aluminum film on a surface of a resin base having a three-dimensional network structure by molten salt electrolytic plating, a step of removing moisture from the resin structure, and a step of removing the base by heat-treating the resin structure from which moisture has been removed. In the step of removing moisture from the resin structure, the resin structure is preferably heat-treated at a temperature of 50° C. or higher and 300° C. or lower. In the step of removing the base, the resin structure is preferably heat-treated at a temperature equal to or higher than 370° C. and lower than the melting point of aluminum.
    Type: Application
    Filed: May 23, 2014
    Publication date: April 14, 2016
    Inventors: Koutarou KIMURA, Kengo GOTO, Akihisa HOSOE, Junichi NISHIMURA, Kazuki OKUNO, Hideaki SAKAIDA
  • Patent number: 9297091
    Abstract: A method for producing an aluminum film by electrodepositing aluminum on a base in an electrolytic cell to which a liquid electrolyte containing a molten salt is fed includes adjusting a concentration of an additive in such a manner that a measured value of an overvoltage is within a predetermined range on the basis of a predetermined relationship between the overvoltage and the concentration of the additive added to the molten salt upon electrodepositing aluminum in the liquid electrolyte.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: March 29, 2016
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hideaki Sakaida, Akihisa Hosoe, Junichi Nishimura, Kazuki Okuno, Koutarou Kimura, Kengo Goto
  • Publication number: 20160086743
    Abstract: A three-dimensional network aluminum porous body which enables to produce an electrode continuously, an electrode using the aluminum porous body, and a method for producing the electrode is disclosed. A long sheet-shaped three-dimensional network aluminum porous body is provided to be used as a base material in a method for producing an electrode including at least winding off, a thickness adjustment step, a lead welding step, an active material filling step, a drying step, a compressing step, a cutting step and winding-up, wherein the three-dimensional network aluminum porous body has a tensile strength of 0.2 MPa or more and 5 MPa or less.
    Type: Application
    Filed: November 20, 2015
    Publication date: March 24, 2016
    Inventors: Akihisa HOSOE, Kazuki OKUNO, Hajime OTA, Koutarou KIMURA, Kengo GOTO, Junichi NISHIMURA, Hideaki SAKAIDA
  • Patent number: 9270073
    Abstract: It is an object of the present invention to provide a sheet-shaped three-dimensional network aluminum porous body for a current collector which is suitably used for electrodes for nonaqueous electrolyte batteries and electrodes for capacitors, an electrode and a capacitor each using the same. In such a three-dimensional network aluminum porous body for a current collector, the aluminum porous body has been made to have a compressive strength in a thickness direction of 0.2 MPa or more in order to efficiently fill an active material into the sheet-shaped three-dimensional network aluminum porous body.
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: February 23, 2016
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC TOYAMA CO., LTD.
    Inventors: Akihisa Hosoe, Kazuki Okuno, Hajime Ota, Koutarou Kimura, Kengo Goto, Hideaki Sakaida, Junichi Nishimura
  • Patent number: 9263195
    Abstract: A three-dimensional network aluminum porous body which enables to produce an electrode continuously, an electrode using the aluminum porous body, and a method for producing the electrode. A long sheet-shaped three-dimensional network aluminum porous body is provided to be used as a base material in a method for producing an electrode including at least winding off, a thickness adjustment step, a lead welding step, an active material filling step, a drying step, a compressing step, a cutting step and winding-up, wherein the three-dimensional network aluminum porous body has a tensile strength of 0.2 MPa or more and 5 MPa or less.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: February 16, 2016
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC TOYAMA CO., LTD.
    Inventors: Akihisa Hosoe, Kazuki Okuno, Hajime Ota, Koutarou Kimura, Kengo Goto, Junichi Nishimura, Hideaki Sakaida