Hiroo Toya

Person

  • Ibaraki, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Vibration-damping material

    • Patent number 4,883,717
    • Issue date Nov 28, 1989
    • Sumitomo Chemical Company, Limited
    • Shuji Kitamura
    • B60 - VEHICLES IN GENERAL