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Takuma Watanabe

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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotational coupler and method for manufacturing the same
    • Patent number 11,927,208
    • Issue date Mar 12, 2024
    • Toyota Boshoku Kabushiki Kaisha
    • Takuma Watanabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Device for molding and method for molding metal plate
    • Patent number 9,630,229
    • Issue date Apr 25, 2017
    • Toyota Boshoku Kabushiki Kaisha
    • Kazuyuki Hirata
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of producing a separator
    • Patent number 9,364,883
    • Issue date Jun 14, 2016
    • Toyota Boshoku Kabushiki Kaisha
    • Takuma Watanabe
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Separator for fuel cell and manufacturing method of the same
    • Patent number 8,828,622
    • Issue date Sep 9, 2014
    • Toyota Boshoku Kabushiki Kaisha
    • Shirou Fujimura
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Press method and press apparatus
    • Patent number 8,235,278
    • Issue date Aug 7, 2012
    • Toyota Boshoku Kabushiki Kaisha
    • Shirou Fujimura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Shear punching die assemblies
    • Patent number 8,215,148
    • Issue date Jul 10, 2012
    • Toyota Boshoku Kabushiki Kaisha
    • Shirou Fujimura
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    ROTATIONAL COUPLER AND METHOD FOR MANUFACTURING THE SAME
    • Publication number 20210254647
    • Publication date Aug 19, 2021
    • Toyota Boshoku Kabushiki Kaisha
    • Takuma WATANABE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    DEVICE FOR MOLDING AND METHOD FOR MOLDING METAL PLATE
    • Publication number 20150290692
    • Publication date Oct 15, 2015
    • TOYOTA BOSHOKU KABUSHIKI KAISHA
    • Kazuyuki Hirata
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    PRODUCING METHOD OF COMPACT
    • Publication number 20120055223
    • Publication date Mar 8, 2012
    • TOYOTA BOSHOKU KABUSHIKI KAISHA
    • Takuma WATANABE
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    SEPARATOR FOR FUEL CELL AND MANUFACTURING METHOD OF THE SAME
    • Publication number 20110123904
    • Publication date May 26, 2011
    • TOYOTA BOSHOKU KABUSHIKI KAISHA
    • Shirou FUJIMURA
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    PRESS METHOD AND PRESS APPARATUS
    • Publication number 20110095072
    • Publication date Apr 28, 2011
    • TOYOTA BOSHOKU KABUSHIKI KAISHA
    • Shirou FUJIMURA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SHEAR PUNCHING DIE ASSEMBLIES
    • Publication number 20090301161
    • Publication date Dec 10, 2009
    • TOYOTA BOSHOKU KABUSHIKI KAISHA
    • Shirou Fujimura
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...