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Koichi Ibusuki

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  • Fukuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Die cut roll
    • Patent number 6,279,443
    • Issue date Aug 28, 2001
    • Nippon Tungsten Co., Ltd.
    • Kenji Nakahara
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD OF SHEARING THIN PLATE
    • Publication number 20110174125
    • Publication date Jul 21, 2011
    • NIPPON TUNGSTEN CO., LTD.
    • Makoto Funabiki
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...