Patents by Inventor Kazunari Fukase

Kazunari Fukase 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: 10703944
    Abstract: An adhesive for laminating a metal foil to a resin film, the adhesive including: a polyol (A); a multimer of a polyisocyanate (B); and a metal compound (C) being a compound of at least one metal of Groups 7 and 12, wherein the multimer of a polyisocyanate (B) contains a multimer of a saturated aliphatic polyisocyanate and a multimer of a saturated alicyclic polyisocyanate. Also disclosed is a laminate having a metal foil and a resin film laminated through an adhesive layer obtained from the adhesive for laminating of the invention. Yet further disclosed is a packaging material for a battery casing obtained by using the laminate. Yet further disclosed is a battery case obtained by using the packaging material for a battery casing. Also disclosed is a method for producing a battery case which includes deep drawing or bulging the packaging material for a battery casing.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: July 7, 2020
    Assignee: SHOWA DENKO K.K.
    Inventors: Hiroto Kouka, Kazunari Fukase, Yasuhiro Nakagawa
  • Publication number: 20190023954
    Abstract: An adhesive for laminating a metal foil to a resin film, the adhesive including: a polyol (A); a multimer of a polyisocyanate (B); and a metal compound (C) being a compound of at least one metal of Groups 7 and 12, wherein the multimer of a polyisocyanate (B) contains a multimer of a saturated aliphatic polyisocyanate and a multimer of a saturated alicyclic polyisocyanate. Also disclosed is a laminate having a metal foil and a resin film laminated through an adhesive layer obtained from the adhesive for laminating of the invention. Yet further disclosed is a packaging material for a battery casing obtained by using the laminate. Yet further disclosed is a battery case obtained by using the packaging material for a battery casing. Also disclosed is a method for producing a battery case which includes deep drawing or bulging the packaging material for a battery casing.
    Type: Application
    Filed: December 9, 2016
    Publication date: January 24, 2019
    Applicant: Showa Denko K.K.
    Inventors: Hiroto KOUKA, Kazunari FUKASE, Yasuhiro NAKAGAWA
  • Publication number: 20180162100
    Abstract: An adhesive for laminating a metal foil to a resin film, the adhesive including: a polyol (A); a multimer of a polyisocyanate (B); and a metal compound (C) being a compound of at least one metal of Groups 7 and 12, wherein the multimer of a polyisocyanate (B) includes a multimer of a saturated aliphatic polyisocyanate (b1) and a multimer of a saturated alicyclic polyisocyanate (b2).
    Type: Application
    Filed: May 17, 2016
    Publication date: June 14, 2018
    Applicant: SHOWA DENKO K.K.
    Inventors: Kazunari FUKASE, Hiroto KOUKA, Yasuhiro NAKAGAWA, Mitsuru DOI
  • Publication number: 20170207427
    Abstract: There are provided an adhesive for laminating a metal foil to a resin film and the like, the adhesive comprising: a polyurethane polyol (A); and a saturated aliphatic and/or saturated alicyclic polyisocyanate (B), wherein the polyurethane polyol (A) is obtained by polyaddition of components comprising a chain polyolefin polyol (a1) and/or a polyester polyol (a2) having a constituent unit derived from a hydrogenated dimer acid and a constituent unit derived from a hydrogenated dimer diol, a hydroxylated hydrocarbon compound (b) having a saturated or unsaturated cyclic hydrocarbon structure and two or more hydroxy groups, and a polyisocyanate (c).
    Type: Application
    Filed: May 25, 2015
    Publication date: July 20, 2017
    Applicant: SHOWA DENKO K.K.
    Inventors: Hiroto KOUKA, Kazunari FUKASE, Naoki MURATA, Hui LI, Yasuhiro NAKAGAWA, Mitsuru DOI
  • Publication number: 20150357647
    Abstract: The present invention provides a binder for lithium ion secondary battery electrodes that is obtained by emulsion polymerization of an ethylenically unsaturated monomer in an aqueous medium in the presence of a surfactant, the ethylenically unsaturated monomer being composed, with respect to the total mass of the ethylenically unsaturated monomer, of 15% by mass to 70% by mass of styrene, 1% by mass to 10% by mass of an N atom-containing ethylenically unsaturated monomer, 1% by mass to 10% by mass of an ethylenically unsaturated carboxylic acid, 0.1% by mass to 5% by mass of an internal crosslinking agent, and 22% by mass to 82.9% by mass of another ethylenically unsaturated monomer that is copolymerizable with these substances, and has a glass transition temperature of ?55° C. to 30° C.
    Type: Application
    Filed: January 20, 2014
    Publication date: December 10, 2015
    Applicant: SHOWA DENKO K.K.
    Inventors: Tomonori KURATA, Mitsuru HANASAKI, Kazunari FUKASE
  • Patent number: 9147882
    Abstract: An object of the present invention is to provide: a binder for a lithium ion secondary battery electrode, which is water-dispersible type and has favorable adhesion between active materials and between the active material and current collectors, along with charge-discharge high-temperature cycle characteristics; a slurry using the binder; an electrode using the slurry; and a lithium ion secondary battery using the electrode. The present invention relates to a binder composition for a lithium ion secondary battery electrode, which is obtained by emulsion polymerization of an ethylenically unsaturated monomer in the presence of a surfactant, the ethylenically unsaturated monomer containing, as essential constituents, 15 to 70 mass % of styrene with respect to the total mass of ethylenically unsaturated monomers, an ethylenically unsaturated carboxylic acid ester, an ethylenically unsaturated carboxylic acid and an internal cross-linking agent.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: September 29, 2015
    Assignees: SHOWA DENKO K. K., NEC ENERGY DEVICES, LTD.
    Inventors: Mitsuru Hanasaki, Kazunari Fukase, Jiro Uchida, Yasutaka Kono, Yuka Chikugo, Kou Ishiguchi
  • Publication number: 20140054496
    Abstract: Provided is a slurry for lithium ion secondary battery electrodes, which has proper binding properties between active materials and between an active material and a current collector, an electrode using the slurry, and a lithium ion secondary battery using the electrode and having both a high initial discharge capacity and an excellent charge-discharge high-temperature cycle characteristic. The present invention relates to a slurry for lithium ion secondary battery electrodes, which is obtained using a binder for battery electrodes and an active material and has a pH of 3.0 to 6.0. Preferably, the slurry contains a binder for battery electrodes in an amount of 0.2 to 4.0% by mass based on the active material.
    Type: Application
    Filed: January 31, 2012
    Publication date: February 27, 2014
    Applicant: SHOWA DENKO K. K.
    Inventors: Mitsuru Hanasaki, Kazunari Fukase, Daigo Ito
  • Publication number: 20130119318
    Abstract: An object of the present invention is to provide: a binder for a lithium ion secondary battery electrode, which is water-dispersible type and has favorable adhesion between active materials and between the active material and current collectors, along with charge-discharge high-temperature cycle characteristics; a slurry using the binder; an electrode using the slurry; and a lithium ion secondary battery using the electrode. The present invention relates to a binder composition for a lithium ion secondary battery electrode, which is obtained by emulsion polymerization of an ethylenically unsaturated monomer in the presence of a surfactant, the ethylenically unsaturated monomer containing, as essential constituents, 15 to 70 mass % of styrene with respect to the total mass of ethylenically unsaturated monomers, an ethylenically unsaturated carboxylic acid ester, an ethylenically unsaturated carboxylic acid and an internal cross-linking agent.
    Type: Application
    Filed: April 15, 2011
    Publication date: May 16, 2013
    Applicants: NEC ENERGY DEVICES, LTD., SHOWA DENKO K. K.
    Inventors: Mitsuru Hanasaki, Kazunari Fukase, Jiro Uchida, Yasutaka Kono, Yuka Chikugo, Kou Ishiguchi