TREA

Hisanori Watanabe

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Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe expansion method
    • Patent number 8,640,337
    • Issue date Feb 4, 2014
    • Mitsubishi Heavy Industries, Ltd.
    • Itaru Muroya
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    PIPE EXPANSION METHOD
    • Publication number 20090199402
    • Publication date Aug 13, 2009
    • MITSUBISHI HEAVY INDUSTRIES, LTD.
    • Itaru Muroya
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...