TREA

Fumio TAKAHASHI

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coil spring
    • Patent number 10,995,811
    • Issue date May 4, 2021
    • NHK Spring Co., Ltd.
    • Toshinori Watanabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ring-shaped spring and method for manufacturing same
    • Patent number 9,593,731
    • Issue date Mar 14, 2017
    • NHK Spring Co., Ltd.
    • Noritoshi Takamura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    DAMPER SPRING
    • Publication number 20230296152
    • Publication date Sep 21, 2023
    • NIPPON STEEL CORPORATION
    • Shinya TERAMOTO
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    COIL SPRING
    • Publication number 20190113094
    • Publication date Apr 18, 2019
    • NHK SPRING Co., Ltd.
    • Toshinori WATANABE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    RING-SHAPED SPRING AND METHOD FOR MANUFACTURING SAME
    • Publication number 20140367902
    • Publication date Dec 18, 2014
    • Noritoshi Takamura
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    LEAF SPRING MATERIAL AND MANUFACTURING METHOD THEREOF
    • Publication number 20090139615
    • Publication date Jun 4, 2009
    • NHK Spring Co., Ltd.
    • Michihiko Ayada
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    LEAF SPRING MATERIAL AND MANUFACTURING METHOD THEREOF
    • Publication number 20090133785
    • Publication date May 28, 2009
    • NHK Spring Co., Ltd.
    • Michihiko AYADA
    • C21 - METALLURGY OF IRON