TREA

Shintaro Yamashita

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of treating salt bath liquid
    • Patent number 5,496,449
    • Issue date Mar 5, 1996
    • Unitika, Ltd.
    • Tadaya Ishibashi
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Method of treating salt bath liquid
    • Patent number 5,348,628
    • Issue date Sep 20, 1994
    • Unitika Ltd.
    • Tadaya Ishibashi
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...