Manufacturing method for solar cell, multi-junction solar cell, solar cell module, and photovoltaic power generation system
US-2024194818-A1 · Jun 13, 2024 · 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 | H01L31/032 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 499 |
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 | 49 |
| 2016 | 49 |
| 2017 | 63 |
| 2018 | 58 |
| 2019 | 56 |
| 2020 | 61 |
| 2021 | 47 |
| 2022 | 38 |
| 2023 | 33 |
| 2024 | 36 |
| 2025 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composition for forming P-type diffusion layer, method of forming P-type diffusion layer, and method of producing photovoltaic cell
US-9520529-B2 · Dec 13, 2016 · US
Semiconductor device including two-dimensional material, and method of manufacturing the semiconductor device
US-2016343891-A1 · Nov 24, 2016 · US
Perovskite material layer processing
US-9425396-B2 · Aug 23, 2016 · US
Metal chalcogenide nanoparticles for preparing light absorption layer of solar cells and method of preparing the same
US-2016218231-A1 · Jul 28, 2016 · US
Transparent computer structure
US-2016218814-A1 · Jul 28, 2016 · US
Photoelectric conversion element, method of manufacturing photoelectric conversion element, and electronic device
US-9379278-B2 · Jun 28, 2016 · US
Method of formulating perovskite solar cell materials
US-9305715-B2 · Apr 5, 2016 · US
Bi- and Tri- Layer Interfacial Layers in Perovskite Material Devices
US-2016075881-A1 · Mar 17, 2016 · US
Method of forming a metal sulfide alloy and an electronic device with the metal sulfide alloy
US-2016056039-A1 · Feb 25, 2016 · US
X-ray detector
US-2016041274-A1 · Feb 11, 2016 · US
Solar cells containing metal oxides
US-2015380584-A1 · Dec 31, 2015 · US
Nanostructure and optical device including the nanostructure
US-2015372163-A1 · Dec 24, 2015 · US
Photodetector and up-conversion device with gain
US-9214502-B2 · Dec 15, 2015 · US
Materials, fabrication equipment, and methods for stable, sensitive photodetectors and image sensors made therefrom
US-9209331-B2 · Dec 8, 2015 · US
Photosensing transistors, methods of manufacturing the same, and display panels employing a photosensing transistor
US-9209337-B2 · Dec 8, 2015 · US
Ultraviolet sensor and electronic device using ultraviolet sensor
US-2015340539-A1 · Nov 26, 2015 · US
Preparation of copper selenide nanoparticles
US-9196767-B2 · Nov 24, 2015 · US
Photoluminescent compounds
US-9181475-B2 · Nov 10, 2015 · US
Vertically stacked heterostructures including graphene
US-2015318401-A1 · Nov 5, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L31/032?
- CPC H01L31/032 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L31/032 (Electricity)?
- Our database includes 499 publications tagged with this CPC code.
- Is patent activity under CPC H01L31/032 growing?
- Publication counts under this code: 36 in 2024 vs 9 in 2025 (latest complete years).