Inventor

GIUSEPPE CALAFIORE

Inventor

Overview

53→

Patents

2021–2026

Patent span

Physics

Primary field (CPC G)

Patents· 53 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary

G02BOptical elements, systems or apparatus37%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein12%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices7%

B29DProducing particular articles from plastics or from substances in a plastic state4%

G06FElectric digital data processing4%

H04NPictorial communication, e.g. television4%

G01BMeasuring length, thickness or similar linear dimensions3%

H01LSemiconductor devices3%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%

B29CShaping or joining of plastics2%

PatentTitleYear

12,567,831Energy harvesting component for an optical device having an illumination source emitting unused light2026 12,560,806Directional illuminator and display apparatus with switchable diffuser2026 12,461,370Lightguide with radial pupil replication and visual display based thereon2025 12,443,032Eye tracking with switchable gratings2025 12,140,761Thin waveguide wavelength-selective projector2024 11,879,024Soft mold formulations for surface relief grating fabrication with imprinting lithography2024 11,860,395Self-lit display panel2024 11,846,774Eye tracking with switchable gratings2023 11,815,680Optical system and method for providing expanded field of view2023 11,803,024Photonic power converter light transport2023 11,796,813Optical system and method for providing compressed eyebox2023 11,789,186Diffraction grating with a variable refractive index formed using an energy gradient2023 11,774,753Cascaded pupil-replicating waveguides2023 11,740,471Display device with transparent illuminator2023 11,726,252Self-lit display panel2023 11,709,411Display with image light steering2023 11,681,104Photonic switch with a cantilever coupler2023 11,667,059Techniques for reducing surface adhesion during demolding in nanoimprint lithography2023 11,619,774Talbot pattern illuminator and display based thereon2023 11,609,370Waveguide illuminator having waveguide array2023 11,604,352Waveguide-based projector2023 11,592,681Device including diffractive optical element2023 11,579,364Gratings with variable depths formed using planarization for waveguide displays2023 11,570,413Variable-pitch liquid crystal diffraction grating2023 11,567,255Waveguide illuminator having slab waveguide portion2023 11,555,960Waveguide array illuminator with light scattering mitigation2023 11,555,961Display device with waveguide-based talbot illuminator2023 11,555,962Waveguide illuminator with optical interference mitigation2023 11,550,083Techniques for manufacturing slanted structures2023 11,543,584Inorganic matrix nanoimprint lithographs and methods of making thereof with reduced carbon2023 11,474,352Optical system and method for providing expanded field of view2022 11,455,031In-field illumination for eye tracking2022 11,448,806Fabrication of self-aligned grating elements with high refractive index for waveguide displays2022 11,448,815Slab waveguide and projector with intermodal coupling2022 11,435,586Thin waveguide imager2022 11,428,938Switchable diffractive optical element and waveguide containing the same2022 11,422,369Multi-layered substrates for waveguide displays2022 11,422,293Outward coupling suppression in waveguide display2022 11,415,880Nanoimprint lithography material with switchable mechanical properties2022 11,415,805Optical system and method for providing compressed eyebox2022 11,402,578Gratings with variable depths formed using planarization for waveguide displays2022 11,391,950Techniques for controlling effective refractive index of gratings2022 11,372,248Thin waveguide wavelength-selective projector2022 11,294,187Thin waveguide beam redirector and display based thereon2022 11,280,956Multi-layered substrates for waveguide displays2022 11,262,495Waveguides with high refractive index gratings manufactured by post-patterning infusion2022 11,249,393Nanoimprint lithography processes for switching mechanical properties of imprint materials2022 11,249,242High refractive index gratings for waveguide displays manufactured by self-aligned stacked process2022 11,231,579Cascaded pupil-replicating waveguides2022 11,231,540Anisotropically formed diffraction grating device2022 11,221,490Rainbow reduction for waveguide displays2022 11,175,455Gratings with variable etch heights for waveguide displays2021 11,156,913Nanoimprint lithography process using low surface energy mask2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2023Patents assigned to FACEBOOK TECH LLC (23)· patent assignee history

2021–2026Based in US· patent location history

2022–2026Patents assigned to META PLATFORMS TECH LLC (41)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
META PLATFORMS TECH LLC	41	2022–2026
FACEBOOK TECH LLC	23	2021–2023

Locations

Location	Patents	Span
US	53	2021–2026