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Optical storage medium, optical read/write apparatus, and...

Dynamic information storage or retrieval – Systems having plural physically distinct independent tracks... – Having layered storage medium
Reexamination Certificate

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Optical storage medium, optical read/write apparatus, and...

Dynamic information storage or retrieval – Systems having plural physically distinct independent tracks... – Having layered storage medium
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Optical storage medium, optical read/write apparatus, and...

Dynamic information storage or retrieval – Systems having plural physically distinct independent tracks... – Having layered storage medium
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Optical-recording medium, method for producing the same, and...

Dynamic information storage or retrieval – Systems having plural physically distinct independent tracks... – Having layered storage medium
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Player with two read heads for double-sided optical discs

Dynamic information storage or retrieval – Systems having plural physically distinct independent tracks... – Having layered storage medium
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Recording medium and method and apparatus for recording data...

Dynamic information storage or retrieval – Systems having plural physically distinct independent tracks... – Having layered storage medium
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Recording medium and recording/reproduction apparatus therefor

Dynamic information storage or retrieval – Systems having plural physically distinct independent tracks... – Having layered storage medium
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Recording medium and recording/reproduction apparatus thereof

Dynamic information storage or retrieval – Systems having plural physically distinct independent tracks... – Having layered storage medium
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Recording medium, recording apparatus and recording method

Dynamic information storage or retrieval – Systems having plural physically distinct independent tracks... – Having layered storage medium
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Variable recording layer disk image pickup device

Dynamic information storage or retrieval – Systems having plural physically distinct independent tracks... – Having layered storage medium
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Wavelength multiplexing optical recording apparatus

Dynamic information storage or retrieval – Systems having plural physically distinct independent tracks... – Having layered storage medium
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