TREA

Akio Sakai

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Al.sub.2 O.sub.3 based ceramic
    • Patent number 5,275,981
    • Issue date Jan 4, 1994
    • Mitsubishi Material Corporation
    • Akio Nishiyama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Al.sub.2 O.sub.3 Based ceramics
    • Patent number 5,188,908
    • Issue date Feb 23, 1993
    • Mitsubishi Materials Corporation
    • Akio Nishiyama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR