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Patents Grantslast 30 patents

  • Information Patent Grant

    Steel wire for high strength spring excellent in workability and hi...
    • Patent number 8,007,716
    • Issue date Aug 30, 2011
    • Kabushiki Kaisha Kobe Seiko Sho
    • Sumie Suda
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Coil spring
    • Patent number 7,766,312
    • Issue date Aug 3, 2010
    • NHK Spring Co., Ltd.
    • Noritoshi Takamura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Coil spring
    • Publication number 20090230602
    • Publication date Sep 17, 2009
    • NHK Spring Co., Ltd.
    • Noritoshi Takamura
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Steel wire for high strength spring excellent in workability and hi...
    • Publication number 20060201588
    • Publication date Sep 14, 2006
    • Sumie Suda
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...