4. Optics: eye examining, vision testing and correcting
  5. Spectacles and eyeglasses
  6. With antiglare or shading

Chao Ma

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Flexible panel based on electrochromic polymers

Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate

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Smart sunglasses, helmet faceshields and goggles based on...

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With antiglare or shading
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2245541

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