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Yuji TAKENAKA

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Patents Grantslast 30 patents

  • Information Patent Grant

    Alpha-alumina flakes
    • Patent number 11,180,659
    • Issue date Nov 23, 2021
    • Merck Patent GmbH
    • Ryuta Suzuki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    α-alumina flakes
    • Patent number 11,142,649
    • Issue date Oct 12, 2021
    • Merck Patent GmbH
    • Ryuta Suzuki
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    α-alumina flakes
    • Patent number 10,457,812
    • Issue date Oct 29, 2019
    • Merck Patent GmbH
    • Ryuta Suzuki
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    ALPHA-ALUMINA FLAKES
    • Publication number 20190330475
    • Publication date Oct 31, 2019
    • Merck Patent GmbH
    • Ryuta SUZUKI
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    ALPHA-ALUMINA FLAKES
    • Publication number 20190322871
    • Publication date Oct 24, 2019
    • Merck Patent GmbH
    • Ryuta SUZUKI
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    ALPHA-ALUMINA FLAKES
    • Publication number 20140322534
    • Publication date Oct 30, 2014
    • Merck Patent GmbH
    • Ryuta SUZUKI
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...