TREA

Youichi Murayama

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Composite film
    • Patent number 5,409,782
    • Issue date Apr 25, 1995
    • Orient Watch Company
    • Youichi Murayama
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Composite film
    • Patent number 5,079,101
    • Issue date Jan 7, 1992
    • Orient Watch Co., Ltd.
    • Youichi Murayama
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...