TREA

Osamu Miyahara

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of cold rolling a seamless pipe
    • Patent number 9,381,555
    • Issue date Jul 5, 2016
    • Nippon Steel & Sumitomo Metal Corporation
    • Osamu Miyahara
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD OF COLD ROLLING A SEAMLESS PIPE
    • Publication number 20150101381
    • Publication date Apr 16, 2015
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Osamu Miyahara
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...