Inventor · disambiguated record
Giuseppe Calafiore
Also filed as: CALAFIORE GIUSEPPE
82 granted patents·21 pending applications·581 citations·filing 2017–2025
99Inventor score
Top patents by PatentIndex Score
103 records- 0199US11579364B2Gratings with variable depths formed using planarization for waveguide displaysMETA PLATFORMS TECH LLC·Filed 2022·Granted Feb 14, 2023·5 cites·7 claims
- 0299US11391950B2Techniques for controlling effective refractive index of gratingsFACEBOOK TECH LLC·Filed 2020·Granted Jul 19, 2022·43 cites·19 claims
- 0399US10823887B1Diffraction grating with a variable refractive index using multiple resinsFACEBOOK TECH LLC·Filed 2018·Granted Nov 3, 2020·47 cites·20 claims
- 0499US10613268B1High refractive index gratings for waveguide displays manufactured by self-aligned stacked processFACEBOOK TECH LLC·Filed 2018·Granted Apr 7, 2020·38 cites·7 claims
- 0598US10983257B1Fabrication of self-aligned grating elements with high refractive index for waveguide displaysFACEBOOK TECH LLC·Filed 2018·Granted Apr 20, 2021·46 cites·16 claims
- 0698US10838132B1Diffractive gratings for eye-tracking illumination through a light-guideFACEBOOK TECH LLC·Filed 2018·Granted Nov 17, 2020·44 cites·20 claims
- 0798US10732351B2Gratings with variable depths formed using planarization for waveguide displaysFACEBOOK TECH LLC·Filed 2018·Granted Aug 4, 2020·45 cites·7 claims
- 0898US10690831B2Anisotropically formed diffraction grating deviceFACEBOOK TECH LLC·Filed 2018·Granted Jun 23, 2020·41 cites·11 claims
- 0998US10578876B1Waveguide having a phase-matching regionFACEBOOK TECH LLC·Filed 2018·Granted Mar 3, 2020·45 cites·26 claims
- 1098US10571699B1Multi-layered substrates for waveguide displaysFACEBOOK TECH LLC·Filed 2018·Granted Feb 25, 2020·41 cites·19 claims
- 1197US10534115B1Gray-tone electron-beam lithographyFACEBOOK TECH LLC·Filed 2017·Granted Jan 14, 2020·21 cites·20 claims
- 1296US11435586B2Thin waveguide imagerFACEBOOK TECH LLC·Filed 2020·Granted Sep 6, 2022·4 cites·19 claims
- 1396US10942398B1Continuous liquid crystal alignment patterns for geometric phase opticsFACEBOOK TECH LLC·Filed 2018·Granted Mar 9, 2021·10 cites·20 claims
- 1496US10895671B1Diffraction grating with a variable refractive index using ion implantationFACEBOOK TECH LLC·Filed 2018·Granted Jan 19, 2021·9 cites·20 claims
- 1596US10750145B1Variable-pitch liquid crystal diffraction gratingOCULUS VR LLC·Filed 2018·Granted Aug 18, 2020·16 cites·20 claims
- 1696US10649141B1Gratings with variable etch heights for waveguide displaysFACEBOOK TECH LLC·Filed 2018·Granted May 12, 2020·15 cites·21 claims
- 1795US11455031B1In-field illumination for eye trackingMETA PLATFORMS TECH LLC·Filed 2018·Granted Sep 27, 2022·13 cites·20 claims
- 1895US11415805B2Optical system and method for providing compressed eyeboxFACEBOOK TECH LLC·Filed 2020·Granted Aug 16, 2022·6 cites·20 claims
- 1995US11175455B1Gratings with variable etch heights for waveguide displaysFACEBOOK TECH LLC·Filed 2020·Granted Nov 16, 2021·3 cites·20 claims
- 2095US10996382B1Diffraction grating with a variable refractive index formed using an energy gradientFACEBOOK TECH LLC·Filed 2018·Granted May 4, 2021·11 cites·15 claims
- 2195US10845596B2Slanted surface relief grating for rainbow reduction in waveguide displayFACEBOOK TECH LLC·Filed 2018·Granted Nov 24, 2020·14 cites·20 claims
- 2294US11448815B2Slab waveguide and projector with intermodal couplingFACEBOOK TECH LLC·Filed 2020·Granted Sep 20, 2022·3 cites·20 claims
- 2394US11428938B2Switchable diffractive optical element and waveguide containing the sameMETA PLATFORMS TECH LLC·Filed 2019·Granted Aug 30, 2022·6 cites·19 claims
- 2494US11372248B2Thin waveguide wavelength-selective projectorFACEBOOK TECH LLC·Filed 2020·Granted Jun 28, 2022·3 cites·16 claims
- 2593US11789186B1Diffraction grating with a variable refractive index formed using an energy gradientMETA PLATFORMS TECH LLC·Filed 2021·Granted Oct 17, 2023·2 cites·9 claims
- 2692US10761330B2Rainbow reduction in waveguide displaysFACEBOOK TECH LLC·Filed 2018·Granted Sep 1, 2020·8 cites·21 claims
- 2791US11474352B2Optical system and method for providing expanded field of viewMETA PLATFORMS TECH LLC·Filed 2020·Granted Oct 18, 2022·2 cites·18 claims
- 2891US11422369B1Multi-layered substrates for waveguide displaysMETA PLATFORMS TECH LLC·Filed 2018·Granted Aug 23, 2022·2 cites·16 claims
- 2989US11592681B2Device including diffractive optical elementMETA PLATFORMS TECH LLC·Filed 2020·Granted Feb 28, 2023·2 cites·12 claims
- 3089US11555961B1Display device with waveguide-based talbot illuminatorFACEBOOK TECH LLC·Filed 2021·Granted Jan 17, 2023·1 cites·20 claims
- 3189US11067726B2Gratings with variable depths for waveguide displaysFACEBOOK TECH LLC·Filed 2018·Granted Jul 20, 2021·2 cites·6 claims
- 3289US10962703B1Nanoparticle dispersion for increasing optical index of refractionFACEBOOK TECH LLC·Filed 2018·Granted Mar 30, 2021·5 cites·18 claims
- 3387US10809448B1Reducing demolding stress at edges of gratings in nanoimprint lithographyFACEBOOK TECH LLC·Filed 2019·Granted Oct 20, 2020·4 cites·20 claims
- 3486US12461370B2Lightguide with radial pupil replication and visual display based thereonMETA PLATFORMS TECH LLC·Filed 2021·Granted Nov 4, 2025·1 cites·20 claims
- 3586US11709411B2Display with image light steeringMETA PLATFORMS TECH LLC·Filed 2021·Granted Jul 25, 2023·1 cites·18 claims
- 3686US11448806B1Fabrication of self-aligned grating elements with high refractive index for waveguide displaysMETA PLATFORMS TECH LLC·Filed 2021·Granted Sep 20, 2022·1 cites·17 claims
- 3786US10845526B1Outward coupling suppression in waveguide displayFACEBOOK TECH LLC·Filed 2019·Granted Nov 24, 2020·4 cites·20 claims
- 3885US11740471B2Display device with transparent illuminatorMETA PLATFORMS TECH LLC·Filed 2021·Granted Aug 29, 2023·1 cites·19 claims
- 3985US11619774B2Talbot pattern illuminator and display based thereonMETA PLATFORMS TECH LLC·Filed 2021·Granted Apr 4, 2023·1 cites·20 claims
- 4084US11543584B2Inorganic matrix nanoimprint lithographs and methods of making thereof with reduced carbonMETA PLATFORMS TECH LLC·Filed 2021·Granted Jan 3, 2023·1 cites·20 claims
- 4184US11402578B2Gratings with variable depths formed using planarization for waveguide displaysFACEBOOK TECH LLC·Filed 2020·Granted Aug 2, 2022·1 cites·12 claims
- 4283US10955605B1Multi-layered substrates for waveguide displaysFACEBOOK TECH LLC·Filed 2018·Granted Mar 23, 2021·2 cites·6 claims
- 4381US11681104B1Photonic switch with a cantilever couplerMETA PLATFORMS TECH LLC·Filed 2022·Granted Jun 20, 2023·1 cites·20 claims
- 4481US10838121B1Manufacturing three-dimensional diffraction gratings by selective deposition or selective etchingFACEBOOK TECH LLC·Filed 2019·Granted Nov 17, 2020·2 cites·14 claims
- 4580US11231579B1Cascaded pupil-replicating waveguidesFACEBOOK TECH LLC·Filed 2019·Granted Jan 25, 2022·2 cites·17 claims
- 4679US2022128903A1Nanoimprint lithography processes for switching mechanical properties of imprint materialsFACEBOOK TECH LLC·Filed 2022·Application pending·0 cites
- 4778US11035988B1Tunable shrinkage process for manufacturing gratingsFACEBOOK TECH LLC·Filed 2018·Granted Jun 15, 2021·2 cites·12 claims
- 4878US2022026799A1Nanoimprint lithography process using low surface energy maskFACEBOOK TECH LLC·Filed 2021·Application pending·0 cites
- 4977US12443032B2Eye tracking with switchable gratingsMETA PLATFORMS TECH LLC·Filed 2022·Granted Oct 14, 2025·0 cites·20 claims
- 5077US12140761B2Thin waveguide wavelength-selective projectorMETA PLATFORMS TECH LLC·Filed 2022·Granted Nov 12, 2024·0 cites·15 claims
Showing the top 50 of 103 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →