TREA

Akio Mamba

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  • Aichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Composition for mold
    • Patent number 5,646,199
    • Issue date Jul 8, 1997
    • Kao Corporation
    • Akira Yoshida
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Process for making foundry sand mold
    • Patent number 5,169,880
    • Issue date Dec 8, 1992
    • Kao Corporation
    • Akira Yoshida
    • B22 - CASTING POWDER METALLURGY