TREA

Toshihisa Nakao

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  • Hachioji, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tape cassette
    • Patent number 4,358,807
    • Issue date Nov 9, 1982
    • Olympus Optical Company Limited
    • Akira Osanai
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Tape cassette
    • Patent number 4,286,300
    • Issue date Aug 25, 1981
    • Olympus Optical Company Limited
    • Akira Osanai
    • G11 - INFORMATION STORAGE