TREA

Shigeru Otomo

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Patents Grantslast 30 patents

  • Information Patent Grant

    Rust inhibitor
    • Patent number 5,573,708
    • Issue date Nov 12, 1996
    • Union Chemical Co., Ltd.
    • Shigeru Otomo
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Rust inhibitor
    • Patent number 5,487,846
    • Issue date Jan 30, 1996
    • Union Chemical Co., Ltd.
    • Shigeru Otomo
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...