Electrochromic Devices, Methods of Manufacturing and Operation Thereof
US-2025314937-A1 · Oct 9, 2025 · US
Ferrocene compounds
Ferrocene compounds · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F2001/1518 |
| Official title | {Ferrocene compounds} |
| Display label | Ferrocene compounds |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composition for electrochromic device having optical transmission, high flexibility, and high moisture resistance, and manufacturing method of electrochromic member
US-12422723-B2 · Sep 23, 2025 · US
Color-changing polymer composition, ion-conductive composition, transparent electrode layer composition, and electrochromic device comprising same
US-2025291222-A1 · Sep 18, 2025 · US
Electrochromic devices, methods of manufacturing and operation thereof
US-12366785-B2 · Jul 22, 2025 · US
Color-changing polymer composition, ion-conductive composition, transparent electrode layer composition, and electrochromic device comprising same
US-12339556-B2 · Jun 24, 2025 · US
Electrochromic devices having a buffer system
US-12252498-B2 · Mar 18, 2025 · US
Composition for electrochromic device having optical transmission, high flexibility, and high moisture resistance, and manufacturing method of electrochromic member
US-2024272506-A1 · Aug 15, 2024 · US
Electrochromic devices having a buffer system
US-2023382938-A1 · Nov 30, 2023 · US
Electrochromic solution
US-2023220274-A1 · Jul 13, 2023 · US
Electro-optic elements and method of forming
US-11624962-B2 · Apr 11, 2023 · US
Electrochromic Devices, Methods of Manufacturing and Operation Thereof
US-2022390805-A1 · Dec 8, 2022 · US
Color-changing polymer composition, ion-conductive composition, transparent electrode layer composition, and electrochromic device comprising same
US-2022206352-A1 · Jun 30, 2022 · US
Electro-optic elements and method of forming
US-2021103194-A1 · Apr 8, 2021 · US
Electrochemical energy storage devices
US-10971718-B2 · Apr 6, 2021 · US
Ultrathin, solution phase electrochromic devices
US-10866479-B2 · Dec 15, 2020 · US
Display device
US-10725332-B2 · Jul 28, 2020 · US
Electrochromic element and display system using same
US-2020192171-A1 · Jun 18, 2020 · US
Electrochemical energy storage devices
US-2020050070-A1 · Feb 13, 2020 · US
Electrochemical energy storage devices
US-10481456-B2 · Nov 19, 2019 · US
Optical element
US-10459306-B2 · Oct 29, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F2001/1518?
- CPC G02F2001/1518 is the Cooperative Patent Classification code for “Ferrocene compounds.”
- How many patents are filed under CPC G02F2001/1518 (Ferrocene compounds)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC G02F2001/1518 growing?
- Publication counts under this code: 1 in 2024 vs 6 in 2025 (latest complete years).