Waveguides Incorporating Transmissive and Reflective Gratings and Related Methods of Manufacturing
US-2025341679-A1 · Nov 6, 2025 · US
the optical element enabling or impairing total internal reflection (using evanescent coupling G02B6/3536)
the optical element enabling or impairing total internal reflection (using evanescent coupling G02B6/3536) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B6/3522 |
| Official title | {the optical element enabling or impairing total internal reflection (using evanescent coupling G02B6/3536)} |
| Display label | the optical element enabling or impairing total internal reflection (using evanescent coupling G02B6/3536) |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Planar-waveguide-based multi-channel crosstalk-free metasurface holographic device
US-12422609-B1 · Sep 23, 2025 · US
Grating structures for color waveguides
US-12399326-B2 · Aug 26, 2025 · US
Waveguides incorporating transmissive and reflective gratings and related methods of manufacturing
US-12271035-B2 · Apr 8, 2025 · US
Waveguides Incorporating Transmissive and Reflective Gratings and Related Methods of Manufacturing
US-2024027689-A1 · Jan 25, 2024 · US
Waveguides incorporating transmissive and reflective gratings and related methods of manufacturing
US-11747568-B2 · Sep 5, 2023 · US
Sub-wavelength structures for waveguide in-coupling
US-11719887-B2 · Aug 8, 2023 · US
Sub-Wavelength Structures for Waveguide In-Coupling
US-2022317380-A1 · Oct 6, 2022 · US
Optical display system, method, and applications
US-11442306-B2 · Sep 13, 2022 · US
Grating Structures for Color Waveguides
US-2022214503-A1 · Jul 7, 2022 · US
Waveguides Incorporating Transmissive and Reflective Gratings and Related Methods of Manufacturing
US-2022099898-A1 · Mar 31, 2022 · US
Reconfigurable optical networks
US-2022086540-A1 · Mar 17, 2022 · US
Ink composition for reflective sheet, display apparatus including the same and method of manufacturing display apparatus
US-11237427-B2 · Feb 1, 2022 · US
Reconfigurable optical networks
US-11115735-B2 · Sep 7, 2021 · US
Ink composition for reflective sheet, display apparatus including the same and method of manufacturing display apparatus
US-2021200029-A1 · Jul 1, 2021 · US
Waveguides Incorporating Transmissive and Reflective Gratings and Related Methods of Manufacturing
US-2020386947-A1 · Dec 10, 2020 · US
Reconfigurable optical networks
US-2020196035-A1 · Jun 18, 2020 · US
Light source module and backlight unit including the same
US-10539736-B2 · Jan 21, 2020 · US
Optical display system, method, and applications
US-2019285939-A1 · Sep 19, 2019 · US
Optical port-shuffling module
US-10088634-B2 · Oct 2, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B6/3522?
- CPC G02B6/3522 is the Cooperative Patent Classification code for “the optical element enabling or impairing total internal reflection (using evanescent coupling G02B6/3536).”
- How many patents are filed under CPC G02B6/3522 (the optical element enabling or impairing total internal reflection (using evanescent coupling G02B6/3536))?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC G02B6/3522 growing?
- Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).