TREA

Takafumi Kageyama

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Methyl methacrylate syrup composition
    • Patent number 4,617,367
    • Issue date Oct 14, 1986
    • Mitsui Toatsu Chemicals, Inc.
    • Katsushi Watanabe
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Abrasive and method for manufacturing the same
    • Patent number 4,548,617
    • Issue date Oct 22, 1985
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Takashi Miyatani
    • B24 - GRINDING POLISHING