Patents by Inventor Kazuyuki Magome

Kazuyuki Magome 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: 11624016
    Abstract: A moisture-curable reactive hot-melt adhesive composition comprises: a urethane prepolymer having an isocyanate group, the urethane prepolymer being a reaction product of a polyol component comprising a polyester polyol, a polyether polyol and a polybutadiene polyol with an isocyanate component; and an antioxidant.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: April 11, 2023
    Assignee: SHOWA DENKO MATERIALS CO., LTD.
    Inventors: Chika Kuramochi, Souichirou Komiya, Kazuyuki Magome, Kohji Suzumura
  • Publication number: 20220204826
    Abstract: A moisture-curable hot-melt adhesive composition is disclosed. This moisture-curable hot-melt adhesive composition contains: a urethane prepolymer including a polymer chain, which includes a structural unit derived from a polyol and a structural unit derived from a polyisocyanate, and having two or more isocyanate groups; and a modified urethane prepolymer including a polymer chain, which includes a structural unit derived from a polyol and a structural unit derived from a polyisocyanate, and having one or more isocyanate groups modified with a castor oil monool.
    Type: Application
    Filed: November 21, 2019
    Publication date: June 30, 2022
    Inventors: Shujie QU, Souichirou KOMIYA, Takuya IMAI, Kazuyuki MAGOME, Junichi KAMEI
  • Publication number: 20190127618
    Abstract: A moisture-curable reactive hot-melt adhesive composition comprises: a urethane prepolymer having an isocyanate group, the urethane prepolymer being a reaction product of a polyol component comprising a polyester polyol, a polyether polyol and a polybutadiene polyol with an isocyanate component; and an antioxidant.
    Type: Application
    Filed: April 11, 2017
    Publication date: May 2, 2019
    Inventors: Chika KURAMOCHI, Souichirou KOMIYA, Kazuyuki MAGOME, Kohji SUZUMURA
  • Patent number: 6841605
    Abstract: Disclosed are an adhesive composition for a metal foil which comprises a material wherein a tracking resistance test is carried out according to the IEC method by making a thickness of an adhesive layer 30 to 40 ?m, using a copper foil pattern with a width of 4 mm and making a distance between electrodes 0.4 mm, then the adhesive layer dissolves out for the first time when 5 drops or more of an electrolyte are dropped thereon, an adhesive-coated metal foil, a metal-clad laminate, a wiring board, a multi-layer board and a multi-layer wiring board using the same.
    Type: Grant
    Filed: September 24, 1999
    Date of Patent: January 11, 2005
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Toshihisa Kumakura, Takeshi Horiuchi, Kazuyuki Magome, Norifumi Shiraishi