4. Single-crystal, oriented-crystal, and epitaxy growth processes;
  5. Apparatus
  6. With means for measuring, testing, or sensing

Tapani Levola

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Direct view display based on light diffraction from a...

Liquid crystal cells – elements and systems – Particular structure – Lens or prism separate from projection system
Reexamination Certificate

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Display apparatus and device

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Combined
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Electrically tunable diffractive grating element

Optical waveguides – Directional optical modulation within an optical waveguide – Electro-optic
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Eye-gaze tracking

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
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Imaging system with a prism having adjustable number of...

Optical: systems and elements – Lens – With variable magnification
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Profile ID: LFUS-PAI-P-635927

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