4. Active solid-state devices (e.g., transistors, solid-state diode
  5. Incoherent light emitter structure

Yasuyuki Kochi

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Diffraction grating element and optical pickup

Optical: systems and elements – Diffraction – From grating
Reexamination Certificate

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Optical pickup for recording and reproducing information...

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
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Optical pickup having a plurality of photodetectors divided...

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

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Semiconductor light-emitting unit, optical apparatus and...

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2608642

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