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Hisao Kawai

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  • Singapore, SG
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic recording medium
    • Patent number 7,081,308
    • Issue date Jul 25, 2006
    • Hoya Corporation
    • Hisao Kawai
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    Magnetic recording medium
    • Publication number 20040219394
    • Publication date Nov 4, 2004
    • HOYA CORPORATION, HOYA MAGNETICS SINGAPORE PTE. LTD.
    • Hisao Kawai
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Magnetic recording medium
    • Publication number 20030108774
    • Publication date Jun 12, 2003
    • Hoya Corporation
    • Hisao Kawai
    • G11 - INFORMATION STORAGE