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Tsuyoshi Hayakawa

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  • Kariya-city, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Concentric cylindrical member pair welding method and welding devic...
    • Patent number 11,865,640
    • Issue date Jan 9, 2024
    • Denso Corporation
    • Noritsugu Kato
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Arc welding equipment
    • Patent number 10,160,056
    • Issue date Dec 25, 2018
    • DENSO CORPORATION
    • Hideaki Shirai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Welding method and welding apparatus
    • Patent number 10,035,213
    • Issue date Jul 31, 2018
    • Denso Corporation
    • Hideaki Shirai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    TIG welding method and apparatus
    • Patent number 9,061,364
    • Issue date Jun 23, 2015
    • Denso Corporation
    • Tsuyoshi Hayakawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    JOINED BODY AND MANUFACTURING METHOD FOR METAL MEMBER USED FOR SAME...
    • Publication number 20240181566
    • Publication date Jun 6, 2024
    • DENSO CORPORATION
    • Yuya TAKAHASHI
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    WELDING METHOD AND WELDING DEVICE
    • Publication number 20210069828
    • Publication date Mar 11, 2021
    • DENSO CORPORATION
    • Noritsugu KATO
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ARC WELDING EQUIPMENT
    • Publication number 20170326676
    • Publication date Nov 16, 2017
    • Denso Corporation
    • Hideaki SHIRAI
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    TIG WELDING METHOD AND APPARATUS
    • Publication number 20120199561
    • Publication date Aug 9, 2012
    • DENSO CORPORATION
    • Tsuyoshi HAYAKAWA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    WELDING METHOD AND WELDING APPARATUS
    • Publication number 20120187094
    • Publication date Jul 26, 2012
    • DENSO CORPORATION
    • Hideaki SHIRAI
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Laser beam machining method
    • Publication number 20050258152
    • Publication date Nov 24, 2005
    • Denso Corporation
    • Yasunori Kawamoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Laser beam machining equipment and method for machining by using la...
    • Publication number 20050230370
    • Publication date Oct 20, 2005
    • DENSO CORPORATION
    • Michio Kameyama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Laser welding method of resin materials
    • Publication number 20050218123
    • Publication date Oct 6, 2005
    • Tsuyoshi Hayakawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL