Perovskite devices and methods of making the same
US-2020294728-A1 · Sep 17, 2020 · US
Serial interconnection of cells
Serial interconnection of cells · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01G9/2081 |
| Official title | {Serial interconnection of cells} |
| Display label | Serial interconnection of cells |
| Total patents | 97 |
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 | 14 |
| 2016 | 14 |
| 2017 | 8 |
| 2018 | 13 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 13 |
| 2022 | 8 |
| 2023 | 8 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Energy harvester
US-2020220491-A1 · Jul 9, 2020 · US
Photovoltaic apparatus and method
US-2020143995-A1 · May 7, 2020 · US
Photoelectric conversion element
US-2020058450-A1 · Feb 20, 2020 · US
Solar cell module and method for manufacturing the same
US-10468546-B2 · Nov 5, 2019 · US
Photoelectric conversion element
US-2019311860-A1 · Oct 10, 2019 · US
Photoelectric conversion element
US-10395847-B2 · Aug 27, 2019 · US
Solar cell module
US-2019244766-A1 · Aug 8, 2019 · US
Solar cell module
US-2019214512-A1 · Jul 11, 2019 · US
Solar cell and method for manufacturing solar cell
US-2019198259-A1 · Jun 27, 2019 · US
Photoelectric conversion device
US-2019198260-A1 · Jun 27, 2019 · US
Monolithic-type module of perovskite solar cell, and manufacturing method therefor
US-2018374655-A1 · Dec 27, 2018 · US
Photoelectric conversion element and photoelectric conversion module
US-2018374653-A1 · Dec 27, 2018 · US
Photoelectric conversion element
US-2018330892-A1 · Nov 15, 2018 · US
Photovoltaic Device Encapsulation
US-2018301288-A1 · Oct 18, 2018 · US
Photoelectric conversion element and photoelectric conversion element module
US-2018301287-A1 · Oct 18, 2018 · US
Dye-sensitized solar cell element for low illuminance
US-10096431-B2 · Oct 9, 2018 · US
Photoelectric conversion element and photoelectric conversion module
US-2018261398-A1 · Sep 13, 2018 · US
Photoelectric conversion element module
US-10056196-B2 · Aug 21, 2018 · US
Photoelectric conversion element
US-2018233295-A1 · Aug 16, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01G9/2081?
- CPC H01G9/2081 is the Cooperative Patent Classification code for “Serial interconnection of cells.”
- How many patents are filed under CPC H01G9/2081 (Serial interconnection of cells)?
- Our database includes 97 publications tagged with this CPC code.
- Is patent activity under CPC H01G9/2081 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).