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Masahiko Ikka

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Patents Grantslast 30 patents

  • Information Patent Grant

    Synthesis of rare earth metal extractant
    • Patent number 8,889,903
    • Issue date Nov 18, 2014
    • Shin-Etsu Chemical Co., Ltd.
    • Kazuaki Sakaki
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Synthesis of rare earth metal extractant
    • Patent number 8,519,184
    • Issue date Aug 27, 2013
    • Shin-Etsu Chemical Co., Ltd.
    • Kazuaki Sakaki
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 5,418,285
    • Issue date May 23, 1995
    • Nissin Chemical Industry Co., Inc.
    • Masahiko Ikka
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents