4. Dynamic information storage or retrieval
  5. Storage medium structure
  6. Layered

Iwao Tsugawa

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Compatible optical disk

Dynamic information storage or retrieval – Storage medium structure – Special groove
Patent

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Optical disc medium

Dynamic information storage or retrieval – Storage medium structure – Layered
Patent

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Optical recording medium having a non-volatile identification co

Dynamic information storage or retrieval – Simultaneous diverse types of storage or retrieval
Patent

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Optical recording medium having a non-volatile identification co

Dynamic information storage or retrieval – Simultaneous diverse types of storage or retrieval
Patent

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Process for manufacturing an optical recording medium

Coating processes – Optical element produced
Patent

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