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Hirofumi Itoh

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  • Nagoya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 5,358,369
    • Issue date Oct 25, 1994
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Naoyoshi Katou
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

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    • Patent number 5,320,469
    • Issue date Jun 14, 1994
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Naoyoshi Katou
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

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    • Patent number 5,299,899
    • Issue date Apr 5, 1994
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Naoyoshi Katou
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...