TREA

Hye Min Jo

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  • Seoul, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ultrahigh-strength spring steel
    • Patent number 10,487,381
    • Issue date Nov 26, 2019
    • Hyundai Motor Company
    • Sung Chul Cha
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

  • Information Patent Application

    ULTRAHIGH-STRENGTH SPRING STEEL
    • Publication number 20170362689
    • Publication date Dec 21, 2017
    • Hyundai Motor Company
    • Sung Chul CHA
    • C21 - METALLURGY OF IRON