Energy storage device, method of manufacturing same, and mobile electronic device containing same
US-2016358716-A1 · Dec 8, 2016 · US
Electrodes {or formation of dielectric layers thereon}
Electrodes {or formation of dielectric layers thereon} · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01G9/04 |
| Official title | Electrodes {or formation of dielectric layers thereon} |
| Display label | Electrodes {or formation of dielectric layers thereon} |
| Total patents | 297 |
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 | 34 |
| 2016 | 30 |
| 2017 | 26 |
| 2018 | 29 |
| 2019 | 45 |
| 2020 | 40 |
| 2021 | 31 |
| 2022 | 23 |
| 2023 | 15 |
| 2024 | 12 |
| 2025 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aluminum foil with carbonaceous particles dispersed and supported therein
US-9514887-B2 · Dec 6, 2016 · US
Process for the production of electrolyte capacitors of high nominal voltage
US-9514888-B2 · Dec 6, 2016 · US
Addition of polymers to thiophene monomers in the in situ polymerization
US-9514889-B2 · Dec 6, 2016 · US
Electrolytic capacitor and method for manufacturing same
US-2016351340-A1 · Dec 1, 2016 · US
Manganese oxide capacitor for use in extreme environments
US-9508492-B2 · Nov 29, 2016 · US
Method for improving the electrical parameters in capacitors containing PEDOT/PSS as a solid electrolyte by polyglycerol
US-9502183-B2 · Nov 22, 2016 · US
Capacitor with Volumetrically Efficient Hermetic Packaging
US-2016329156-A1 · Nov 10, 2016 · US
Capacitor and manufacturing method thereof
US-2016329154-A1 · Nov 10, 2016 · US
Capacitor
US-2016322171-A1 · Nov 3, 2016 · US
Stack capacitor having high volumetric efficiency
US-9484156-B2 · Nov 1, 2016 · US
Bipolar electrode and supercapacitor desalination device, and methods of manufacture
US-9469554-B2 · Oct 18, 2016 · US
Stack Capacitor Having High Volumetric Efficiency
US-2016284477-A1 · Sep 29, 2016 · US
Energy storage device, method of manufacturing same, and mobile electronic device containing same
US-9449765-B2 · Sep 20, 2016 · US
Electric storage device
US-9449764-B2 · Sep 20, 2016 · US
Electrode for electricity-storing device, electricity storing device employing such electrode, and method of manufacturing electrode for electricity-storing device
US-9450236-B2 · Sep 20, 2016 · US
Anode foils for electrolytic capacitors and methods for making same
US-9412525-B2 · Aug 9, 2016 · US
High efficiency energy conversion and storage systems using carbon nanostructured materials
US-9406985-B2 · Aug 2, 2016 · US
Electrolytic capacitor, electrolytic capacitor manufacturing method, electrode foil, and electrode foil manufacturing method
US-2016217934-A1 · Jul 28, 2016 · US
Anode body for tungsten capacitor and method for manufacturing the same
US-2016211080-A1 · Jul 21, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01G9/04?
- CPC H01G9/04 is the Cooperative Patent Classification code for “Electrodes {or formation of dielectric layers thereon}.”
- How many patents are filed under CPC H01G9/04 (Electrodes {or formation of dielectric layers thereon})?
- Our database includes 297 publications tagged with this CPC code.
- Is patent activity under CPC H01G9/04 growing?
- Publication counts under this code: 12 in 2024 vs 12 in 2025 (latest complete years).