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

Hisahiro Ishihara

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Laser beam emission apparatus

Coherent light generators – Particular active media – Semiconductor
Patent

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Manufacturing method for optical head device and optical...

Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Reexamination Certificate

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Optical pickup device

Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Reexamination Certificate

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Optical pickup device having a shielding protection

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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Optical pickup device with split hologram element that diffracts

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

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Profile ID: LFUS-PAI-P-1484684

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