Supercapacitors with Carbon Nanostructure Electrodes
US-2015380174-A1 · Dec 31, 2015 · US
Hybrid capacitors
Hybrid capacitors · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01G11/04 |
| Official title | Hybrid capacitors |
| Display label | Hybrid capacitors |
| Total patents | 487 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 68 |
| 2016 | 51 |
| 2017 | 58 |
| 2018 | 59 |
| 2019 | 37 |
| 2020 | 52 |
| 2021 | 40 |
| 2022 | 34 |
| 2023 | 33 |
| 2024 | 23 |
| 2025 | 27 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electricity Storing/Discharging Device With Multiple-Layer Package Structure Having Electrode Plate Pair With Multiple-Sided Electric Conductive Terminals Converted Into Single Input/Output Electric Conductive Interface
US-2015372282-A1 · Dec 24, 2015 · US
Method for producing aluminum foil
US-9219279-B2 · Dec 22, 2015 · US
Electrochemical energy storage devices
US-2015346573-A1 · Dec 3, 2015 · US
Asymmetric hybrid supercapacitors based on nanotube nanowire composites
US-2015348716-A1 · Dec 3, 2015 · US
Energy storage device
US-9203116-B2 · Dec 1, 2015 · US
Electrolytic solution for electric double-layer capacitor, and electric double-layer capacitor
US-2015340168-A1 · Nov 26, 2015 · US
Compositions comprising free-standing two-dimensional nanocrystals
US-9193595-B2 · Nov 24, 2015 · US
Hybrid energy storage device
US-2015332860-A1 · Nov 19, 2015 · US
Hybrid energy storage device
US-2015332861-A1 · Nov 19, 2015 · US
Preparation of polymeric resins and carbon materials
US-2015321920-A1 · Nov 12, 2015 · US
Coating liquid, conductive coating film, electrode plate for electricity storage device, and electricity storage device
US-9181439-B2 · Nov 10, 2015 · US
Aqueous electrochemical energy storage devices and components
US-2015318530-A1 · Nov 5, 2015 · US
Ionic liquid and power storage device including the same
US-9171677-B2 · Oct 27, 2015 · US
Soluble polymers
US-2015299380-A1 · Oct 22, 2015 · US
High energy density asymmetric pseudocapacitor and method of making the same
US-2015302999-A1 · Oct 22, 2015 · US
Composition for an Organic Gel and the Pyrolysate Thereof, Production Method Thereof, Electrode Formed by the Pyrolysate and Supercapacitor Containing Same
US-2015299508-A1 · Oct 22, 2015 · US
Fabrication of enhanced supercapacitors using atomic layer deposition of metal oxide on nanostructures
US-2015303001-A1 · Oct 22, 2015 · US
Separator for electric double layer capacitors, and electric double layer capacitor
US-2015294801-A1 · Oct 15, 2015 · US
Electrolyte salt and electrolyte for electricity storage device, and electricity storage device
US-2015291633-A1 · Oct 15, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01G11/04?
- CPC H01G11/04 is the Cooperative Patent Classification code for “Hybrid capacitors.”
- How many patents are filed under CPC H01G11/04 (Hybrid capacitors)?
- Our database includes 487 publications tagged with this CPC code.
- Is patent activity under CPC H01G11/04 growing?
- Publication counts under this code: 23 in 2024 vs 27 in 2025 (latest complete years).