TREA

Takeshi Takayama

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Metal corrosion inhibitor
    • Patent number 11,168,402
    • Issue date Nov 9, 2021
    • Nippon Shokubai Co., Ltd.
    • Takeshi Takayama
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Cement additive, cement composition, and cement additive raw material
    • Patent number 10,294,157
    • Issue date May 21, 2019
    • Nippon Shokubai Co., Ltd.
    • Takeshi Takayama
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents