Methods and systems for optical beam steering
US-11175562-B2 · Nov 16, 2021 · US
grating coupler
grating coupler · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F2201/302 |
| Official title | grating coupler |
| Display label | grating coupler |
| Total patents | 121 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 11 |
| 2019 | 13 |
| 2020 | 16 |
| 2021 | 14 |
| 2022 | 16 |
| 2023 | 13 |
| 2024 | 12 |
| 2025 | 12 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coupled resonator photon-pair sources
US-2021349372-A1 · Nov 11, 2021 · US
Liquid crystal waveguide with sub-aperture light coupling
US-11169426-B2 · Nov 9, 2021 · US
Optical device and optical detection system
US-2021149136-A1 · May 20, 2021 · US
Apparatus for eye tracking
US-11009699-B2 · May 18, 2021 · US
Light field generation system including directionally-sensitive optical element for improved contrast
US-11009770-B2 · May 18, 2021 · US
Exit-pupil expander used distribute light over a liquid-crystal variable retarder
US-10983338-B2 · Apr 20, 2021 · US
Optical modulator and package
US-10866440-B1 · Dec 15, 2020 · US
Optical device and photodetection system
US-2020363596-A1 · Nov 19, 2020 · US
Holographic Waveguide Illumination Homogenizers
US-2020341194-A1 · Oct 29, 2020 · US
Tunable grating couplers
US-10816872-B1 · Oct 27, 2020 · US
Methods and systems for optical beam steering
US-2020333683-A1 · Oct 22, 2020 · US
Optical linked sensor network
US-10802304-B1 · Oct 13, 2020 · US
SAW modulators and light steering methods
US-10795235-B2 · Oct 6, 2020 · US
Liquid crystal display panel, display device and driving method for the same
US-10690832-B2 · Jun 23, 2020 · US
Display panel and display device
US-10663641-B2 · May 26, 2020 · US
Methods and systems for optical beam steering
US-10649306-B2 · May 12, 2020 · US
Optical beam steering with directionality provided by switched grating couplers
US-10642125-B1 · May 5, 2020 · US
Multiple-layer arrangements using tunable materials to provide switchable optical components
US-10585245-B1 · Mar 10, 2020 · US
Display panel and display device
US-2020064532-A1 · Feb 27, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F2201/302?
- CPC G02F2201/302 is the Cooperative Patent Classification code for “grating coupler.”
- How many patents are filed under CPC G02F2201/302 (grating coupler)?
- Our database includes 121 publications tagged with this CPC code.
- Is patent activity under CPC G02F2201/302 growing?
- Publication counts under this code: 12 in 2024 vs 12 in 2025 (latest complete years).