4. Optical: systems and elements
  5. Holographic system or element
  6. Using a hologram as an optical element

Hideaki Koyanagi

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Aspherical lens system for a bar code sensor

Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Patent

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Object lens and optical head for reproducing data from optical d

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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Objective lens

Optical: systems and elements – Lens – Including a nonspherical surface
Reexamination Certificate

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Objective lens

Optical: systems and elements – Lens – Including a nonspherical surface
Reexamination Certificate

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Objective lens and method for manufacture thereof

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-1104713

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