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Eiji Yamashita

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Enlargement processing method for workpiece
    • Patent number 8,522,594
    • Issue date Sep 3, 2013
    • Neturen Co., Ltd.
    • Nagatoshi Okabe
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    Enlargement Processing Method for Workpiece
    • Publication number 20110132060
    • Publication date Jun 9, 2011
    • Neturen Co., Ltd.
    • Nagatoshi Okabe
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...