TREA

Masaki Nitta

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  • Kobe, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spring steel superior in fatigue properties
    • Patent number 6,328,820
    • Issue date Dec 11, 2001
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Yoshinori Yamamoto
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...