4. Optical: systems and elements
  5. Lens
  6. Including a nonspherical surface

Chun Shan Chen

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Image pickup lens assembly

Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate

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Image pickup lens assembly

Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate

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Imaging lens assembly

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

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Optical lens system for taking image

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

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Optical system for taking image

Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate

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