4. Dynamic information storage or retrieval
  5. Specific detail of information handling portion of system
  6. Radiation beam modification of or by storage medium

Toshifumi Yasui

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Condensing optical device, optical pickup, and optical disc...

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Reexamination Certificate

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Object lens, optical pickup, and optical disc device

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2315196

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