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Shigeki Yoshioka

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  • Otaru, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 5,125,208
    • Issue date Jun 30, 1992
    • Hokkai Can Co., Ltd.
    • Shinichi Tsukada
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus for seaming can end
    • Patent number 5,014,491
    • Issue date May 14, 1991
    • Hokkai Can Co., Ltd.
    • Shinichi Tsukada
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...