4. Dynamic magnetic information storage or retrieval
  5. Fluid bearing head support
  6. Disk record

Hiroshi Sanpei

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Magnetic head having cut-out portions for different...

Dynamic magnetic information storage or retrieval – Fluid bearing head support – Disk record
Reexamination Certificate

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Optical pickup having two wavelength laser and simple structure

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-2547768

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