TREA

Ryo Kurakata

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Golden decorative part
    • Patent number 6,299,987
    • Issue date Oct 9, 2001
    • Citizen Watch Co., Ltd.
    • Shinji Ikeda
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    White decorative part and process for producing the same
    • Patent number 5,985,469
    • Issue date Nov 16, 1999
    • Citizen Watch Co., Ltd.
    • Ryo Kurakata
    • B44 - DECORATIVE ARTS
  • Information Patent Grant

    Coating film by ion plating
    • Patent number 4,643,952
    • Issue date Feb 17, 1987
    • Citizen Watch Co., Ltd.
    • Ryo Kurakata
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...