Electrochromic element and window device comprising same
US-2026050195-A1 · Feb 19, 2026 · US
Cyano complex compounds, e.g. Prussian blue
Cyano complex compounds, e.g. Prussian blue · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F2001/1517 |
| Official title | {Cyano complex compounds, e.g. Prussian blue} |
| Display label | Cyano complex compounds, e.g. Prussian blue |
| Total patents | 41 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of manufacturing thin film electrode for electrochromic device and electrochromic device including the same
US-12228836-B2 · Feb 18, 2025 · US
Electrochromic gels and devices containing them
US-2025043135-A1 · Feb 6, 2025 · US
Electrochemical device having electrodes selectively coupled by a conductive member
US-12181765-B2 · Dec 31, 2024 · US
Electrochromic materials; preparation and use thereof
US-11932813-B2 · Mar 19, 2024 · US
Method for preparing an electrochromic device
US-11680309-B2 · Jun 20, 2023 · US
Metal-complex-based electrochromic device
US-11629287-B2 · Apr 18, 2023 · US
Electrochromic device
US-11567385-B2 · Jan 31, 2023 · US
Decoration member and method for producing same
US-11561447-B2 · Jan 24, 2023 · US
Light emitting device and display apparatus
US-11562710-B2 · Jan 24, 2023 · US
Electrochromic materials; preparation and use thereof
US-2022396728-A1 · Dec 15, 2022 · US
View angle control device
US-11500232-B2 · Nov 15, 2022 · US
Method of manufacturing thin film electrode for electrochromic device and electrochromic device including the same
US-2022214589-A1 · Jul 7, 2022 · US
Electrochromic device
US-2022171247-A1 · Jun 2, 2022 · US
Optical element
US-2022146899-A1 · May 12, 2022 · US
Electrochromic device
US-11307476-B2 · Apr 19, 2022 · US
Electrochromic element and electrochromic dimming element
US-11209713-B2 · Dec 28, 2021 · US
Gel polymer electrolyte, electrochromic device comprising the same and production method thereof
US-11072689-B2 · Jul 27, 2021 · US
Display device system and display device
US-2021191220-A1 · Jun 24, 2021 · US
Light emitting device and display apparatus
US-2021183330-A1 · Jun 17, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F2001/1517?
- CPC G02F2001/1517 is the Cooperative Patent Classification code for “Cyano complex compounds, e.g. Prussian blue.”
- How many patents are filed under CPC G02F2001/1517 (Cyano complex compounds, e.g. Prussian blue)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC G02F2001/1517 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).