TREA

Morio Takeyama

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Composite filler and dental composition containing the same
    • Patent number 4,362,842
    • Issue date Dec 7, 1982
    • Mitsui Petrochemical Industries, Ltd.
    • Eiichi Masuhara
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Curable composition
    • Patent number 4,148,988
    • Issue date Apr 10, 1979
    • Mitsui Petrochemical Industries Ltd.
    • Eiichi Masuhara
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE