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Mayumi Kageyama

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  • Akishima, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Intraocular lens
    • Patent number 5,147,396
    • Issue date Sep 15, 1992
    • Hoya Corporation
    • Mayumi Kageyama
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Substrate for information-recording media
    • Patent number 5,118,548
    • Issue date Jun 2, 1992
    • Hoya Corporation
    • Tsuyoshi Ohkubo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...