Electrochromic element and method for manufacturing same
US-10495938-B2 · Dec 3, 2019 · US
complementary cell
complementary cell · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F2001/1502 |
| Official title | {complementary cell} |
| Display label | complementary cell |
| Total patents | 118 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 14 |
| 2017 | 15 |
| 2018 | 14 |
| 2019 | 18 |
| 2020 | 14 |
| 2021 | 8 |
| 2022 | 9 |
| 2023 | 8 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sing-junction organic photovoltaic devices having high open-circuit voltages and applications thereof
US-10476018-B2 · Nov 12, 2019 · US
Electrochromic element
US-10409129-B2 · Sep 10, 2019 · US
Counter electrode for electrochromic devices
US-2019171079-A1 · Jun 6, 2019 · US
Electrochromic mirror
US-10281792-B2 · May 7, 2019 · US
Counter electrode material for electrochromic devices
US-2019113819-A1 · Apr 18, 2019 · US
Counter electrode for electrochromic devices
US-10228601-B2 · Mar 12, 2019 · US
Counter electrode for electrochromic devices
US-2019064623-A1 · Feb 28, 2019 · US
Electrochromic material and transmittance variable panel and display device including the same
US-10196561-B2 · Feb 5, 2019 · US
Electrochromic device
US-2019011794-A1 · Jan 10, 2019 · US
Counter electrode for electrochromic devices
US-10156762-B2 · Dec 18, 2018 · US
Electrochromic devices and methods
US-2018348589-A1 · Dec 6, 2018 · US
Electrochromic element and method for manufacturing same
US-2018292724-A1 · Oct 11, 2018 · US
Optical element and imaging device
US-10088730-B2 · Oct 2, 2018 · US
Electrochromic devices and methods
US-10061174-B2 · Aug 28, 2018 · US
Electrochromic mirror
US-2018231856-A1 · Aug 16, 2018 · US
Controlled switching for electrochromic devices
US-2018224707-A1 · Aug 9, 2018 · US
Organic compounds, light modulating composition and light modulating devices employing the same
US-10007164-B2 · Jun 26, 2018 · US
Single-junction organic photovoltaic devices having high open-circuit voltages and applications thereof
US-2018175313-A1 · Jun 21, 2018 · US
Controlled switching for electrochromic devices
US-9939705-B2 · Apr 10, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F2001/1502?
- CPC G02F2001/1502 is the Cooperative Patent Classification code for “complementary cell.”
- How many patents are filed under CPC G02F2001/1502 (complementary cell)?
- Our database includes 118 publications tagged with this CPC code.
- Is patent activity under CPC G02F2001/1502 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).