Advanced hydrogenation of silicon solar cells
US-9847443-B2 · Dec 19, 2017 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01L21/3003 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 232 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 22 |
| 2017 | 43 |
| 2018 | 22 |
| 2019 | 38 |
| 2020 | 29 |
| 2021 | 19 |
| 2022 | 9 |
| 2023 | 15 |
| 2024 | 7 |
| 2025 | 14 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Display device including pixel comprising first transistor second transistor and light-emitting element
US-9780124-B2 · Oct 3, 2017 · US
Integrated circuit devices and methods of manufacturing the same
US-9779996-B2 · Oct 3, 2017 · US
Plasma processing method and plasma processing apparatus
US-9779936-B2 · Oct 3, 2017 · US
Semiconductor devices and methods of fabricating the same
US-2017271479-A1 · Sep 21, 2017 · US
Thin film transistor, manufacturing method thereof, array substrate, and display device
US-9768312-B2 · Sep 19, 2017 · US
Semiconductor device and a method of manufacturing the same
US-2017256411-A1 · Sep 7, 2017 · US
Soi substrate and manufacturing method thereof
US-2017256441-A1 · Sep 7, 2017 · US
Semiconductor device and method for manufacturing the same
US-9755064-B2 · Sep 5, 2017 · US
Semiconductor Wafer and Method of Manufacturing Semiconductor Devices in a Semiconductor Wafer
US-2017243938-A1 · Aug 24, 2017 · US
Multi-tier replacement memory stack structure integration scheme
US-9728551-B1 · Aug 8, 2017 · US
Method for producing a photovoltaic solar cell having at least one heterojunction passivated by means of hydrogen diffusion
US-9716204-B2 · Jul 25, 2017 · US
Porous fin as compliant medium to form dislocation-free heteroepitaxial films
US-2017200604-A1 · Jul 13, 2017 · US
Method for manufacturing solar cell
US-9698300-B2 · Jul 4, 2017 · US
Baffle plate, plasma processing apparatus using the same, substrate processing apparatus and method of processing substrate
US-2017162401-A1 · Jun 8, 2017 · US
Semiconductor wafer and method of manufacturing semiconductor devices in a semiconductor wafer
US-9653540-B2 · May 16, 2017 · US
Surface passivation for germanium-based semiconductor structure
US-9647090-B2 · May 9, 2017 · US
Tailored silicon layers for transistor multi-gate control
US-9646887-B1 · May 9, 2017 · US
Porous fin as compliant medium to form dislocation-free heteroepitaxial films
US-9646832-B2 · May 9, 2017 · US
Method to improve reliability of high-K metal gate stacks
US-9634116-B2 · Apr 25, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L21/3003?
- CPC H01L21/3003 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L21/3003 (Electricity)?
- Our database includes 232 publications tagged with this CPC code.
- Is patent activity under CPC H01L21/3003 growing?
- Publication counts under this code: 7 in 2024 vs 14 in 2025 (latest complete years).