TREA

Tsutomu Tsutsumi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical recording medium
    • Patent number 7,014,903
    • Issue date Mar 21, 2006
    • TDK Corporation
    • Hiroshi Takasaki
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical recording medium
    • Publication number 20040180171
    • Publication date Sep 16, 2004
    • TDK Corporation
    • Hiroshi Takasaki
    • G11 - INFORMATION STORAGE