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Kazushi Sakamoto

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  • Hyogo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spinning method for forming pipe end
    • Patent number 8,683,843
    • Issue date Apr 1, 2014
    • Nisshin Steel Co., Ltd.
    • Akihiro Ando
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    Spinning method for forming pipe end
    • Publication number 20090255309
    • Publication date Oct 15, 2009
    • Akihiro Ando
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...