Perovskite and other solar cell materials
US-9530972-B2 · Dec 27, 2016 · US
comprising an oxide semiconductor electrode
comprising an oxide semiconductor electrode · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01G9/2027 |
| Official title | {comprising an oxide semiconductor electrode} |
| Display label | comprising an oxide semiconductor electrode |
| Total patents | 275 |
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 | 28 |
| 2016 | 40 |
| 2017 | 40 |
| 2018 | 34 |
| 2019 | 31 |
| 2020 | 24 |
| 2021 | 25 |
| 2022 | 20 |
| 2023 | 17 |
| 2024 | 7 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Manufacturing method of solid-state dye-sensitized solar cells and electrolyte filling device used therefor
US-9530570-B2 · Dec 27, 2016 · US
Photo-electrochemical cell, manufacturing method of photo-electrochemical cell, and photo-electrochemical reaction device
US-2016372271-A1 · Dec 22, 2016 · US
Oxadiazole based photosensitizers for use in dye-sensitive solar cells and photodynamic therapy
US-2016343516-A1 · Nov 24, 2016 · US
Method for producing photoelectrode
US-2016333485-A1 · Nov 17, 2016 · US
Transparent conductive film, photoelectrode for dye-sensitized solar cell, touch panel, and dye-sensitized solar cell
US-2016329160-A1 · Nov 10, 2016 · US
Photoelectric conversion element
US-2016322173-A1 · Nov 3, 2016 · US
METHOD FOR THE PRODUCTION OF SINGLE CRYSTALLINE MgTiO3 FLAKES
US-2016312378-A1 · Oct 27, 2016 · US
Dye-sensitized solar cell element
US-2016284478-A1 · Sep 29, 2016 · US
Dye-sensitized solar cell
US-2016276609-A1 · Sep 22, 2016 · US
Organic dye for a dye-sensitized solar cell
US-2016264782-A1 · Sep 15, 2016 · US
Perovskite and other solar cell materials
US-2016248027-A1 · Aug 25, 2016 · US
Perovskite and other solar cell materials
US-2016240805-A1 · Aug 18, 2016 · US
Organic semiconductor doping process
US-2016240781-A1 · Aug 18, 2016 · US
Bi- and tri-layer interfacial layers in perovskite material devices
US-9416279-B2 · Aug 16, 2016 · US
Dye-sensitized solar cell, method of producing the same, and dye-sensitized solar cell module
US-9406446-B2 · Aug 2, 2016 · US
Solar cells with perovskite-based light sensitization layers
US-2016211083-A1 · Jul 21, 2016 · US
Atomic layer epitaxy of hematite on indium tin oxide for application in solar energy conversion
US-9388499-B2 · Jul 12, 2016 · US
Non-uniform doping of photoelectrochemical cell electrodes
US-2016194768-A1 · Jul 7, 2016 · US
Triangulene oligomers and polymers and their use as hole conducting material
US-9385326-B2 · Jul 5, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01G9/2027?
- CPC H01G9/2027 is the Cooperative Patent Classification code for “comprising an oxide semiconductor electrode.”
- How many patents are filed under CPC H01G9/2027 (comprising an oxide semiconductor electrode)?
- Our database includes 275 publications tagged with this CPC code.
- Is patent activity under CPC H01G9/2027 growing?
- Publication counts under this code: 7 in 2024 vs 8 in 2025 (latest complete years).