Akio Sakai

Person

  • Tokyo, JP

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