TREA

Yoshinori Okamura

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tube expansion method
    • Patent number 9,597,723
    • Issue date Mar 21, 2017
    • Mitsubishi Heavy Industries, Ltd.
    • Nobutaka Nakajima
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    TUBE EXPANSION METHOD
    • Publication number 20150082606
    • Publication date Mar 26, 2015
    • Mitsubishi Heavy Industries, Ltd.
    • Nobutaka Nakajima
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...