TREA

Keiichi Nishiyama

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 5,188,488
    • Issue date Feb 23, 1993
    • Mitsubishi Materials Corporation
    • Masaaki Nakayama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

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    • Patent number 5,100,268
    • Issue date Mar 31, 1992
    • Mitsubishi Materials Corporation
    • Masaaki Nakayama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR