4. Optical waveguides
  5. Noncyclindrical or nonplanar shaped waveguide

Ji Hyouk Chung

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Lighting apparatus and projection display apparatus using...

Optical waveguides – Noncyclindrical or nonplanar shaped waveguide
Reexamination Certificate

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Switch for an illumination device, and projection system...

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2424612

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