Integrated Photovoltaic Panel Circuitry
US-2018374966-A1 · Dec 27, 2018 · 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 | H01L31/04 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 136 |
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 | 15 |
| 2016 | 19 |
| 2017 | 13 |
| 2018 | 17 |
| 2019 | 14 |
| 2020 | 15 |
| 2021 | 20 |
| 2022 | 5 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Determining infrastructure lamp status using a vehicle
US-2018343303-A1 · Nov 29, 2018 · US
Integrated photovoltaic panel circuitry
US-10115841-B2 · Oct 30, 2018 · US
Coupling photovoltaic and concentrated solar power technologies for desalination
US-10065868-B2 · Sep 4, 2018 · US
Photovoltaic solar cell and method of manufacturing photovoltaic solar cell
US-2018248060-A1 · Aug 30, 2018 · US
Method for manufacturing device comprising inorganic/organic hybrid perovskite compound film and device comprising inorganic/organic hybrid perovskite compound film
US-2018248052-A1 · Aug 30, 2018 · US
Solar cell
US-2018212086-A1 · Jul 26, 2018 · US
Lead halide adduct compound and perovskite element using same
US-2018194786-A1 · Jul 12, 2018 · US
Method for producing a conductive reflective film
US-10020409-B2 · Jul 10, 2018 · US
Highly-efficient near-field thermophotovoltaics using surface-polariton emitters and thin-film photovoltaic-cell absorbers
US-2018131311-A1 · May 10, 2018 · US
Structural bonding compositions and attachment brackets, and their use in photovoltaic solar modules
US-9941441-B2 · Apr 10, 2018 · US
Transducer to convert optical energy to electrical energy
US-2018062020-A1 · Mar 1, 2018 · US
Method for fabricating nanopillar solar cell using graphene
US-2018006169-A1 · Jan 4, 2018 · US
Structural bonding compositions and attachment brackets, and their use in photovoltaic solar modules
US-2017373216-A1 · Dec 28, 2017 · US
Method for manufacturing photoelectric conversion device
US-2017323787-A1 · Nov 9, 2017 · US
Power module substrate, heat-sink-attached power-module substrate, and heat-sink-attached power module
US-9786577-B2 · Oct 10, 2017 · US
Member for solid-state image pickup device and method for manufacturing solid-state image pickup device
US-2017271387-A1 · Sep 21, 2017 · US
Solar battery control apparatus
US-9762178-B2 · Sep 12, 2017 · US
Optoelectronic device including ferroelectric material
US-9728661-B2 · Aug 8, 2017 · US
Member for solid-state image pickup device and method for manufacturing solid-state image pickup device
US-9704915-B2 · Jul 11, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L31/04?
- CPC H01L31/04 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L31/04 (Electricity)?
- Our database includes 136 publications tagged with this CPC code.
- Is patent activity under CPC H01L31/04 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).