Carbonaceous material, and electrode material for electric double layer capacitor, electrode for electric double layer capacitor and electric double layer capacitor that contain carbonaceous material
US-2019295782-A1 · Sep 26, 2019 · US
Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01G11/00 |
| Official title | Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof |
| Display label | Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof |
| Total patents | 108 |
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 | 13 |
| 2016 | 8 |
| 2017 | 11 |
| 2018 | 13 |
| 2019 | 15 |
| 2020 | 16 |
| 2021 | 13 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cellular graphene films
US-2019284403-A1 · Sep 19, 2019 · US
System and method for supercapacitor charging and balancing
US-10374440-B2 · Aug 6, 2019 · US
Electrochemical device and method for manufacturing same
US-2019198824-A1 · Jun 27, 2019 · US
Multilayer capacitor and manufacturing method thereof
US-10304628-B2 · May 28, 2019 · US
Apparatus and methods for electrical energy harvesting and/or wireless communication
US-10283281-B2 · May 7, 2019 · US
Porous carbon material and method for manufacturing porous carbon material
US-10270082-B2 · Apr 23, 2019 · US
Enhanced packing of energy storage particles
US-2019103608-A1 · Apr 4, 2019 · US
Electrode material for metal-air battery
US-10249881-B2 · Apr 2, 2019 · US
Planar structural body containing fibrous carbon nanohorn aggregate
US-2019081330-A1 · Mar 14, 2019 · US
Energy storage apparatus
US-2019081295-A1 · Mar 14, 2019 · US
Electrode designs for lithium ion battery and capacitor hybrid system
US-2019074510-A1 · Mar 7, 2019 · US
Liquid metal-based compositions
US-2019067690-A1 · Feb 28, 2019 · US
Power storage device
US-2019067669-A1 · Feb 28, 2019 · US
Fabrication of porous silicon electrochemical capacitors
US-10170244-B2 · Jan 1, 2019 · US
System and method for supercapacitor charging and balancing
US-2018375345-A1 · Dec 27, 2018 · US
Capacitor including electrodes having complementary pattern formed in horizontal direction
US-2018233283-A1 · Aug 16, 2018 · US
Preparation of Conjugated Dimer and Products Formed Therefrom
US-2018211788-A1 · Jul 26, 2018 · US
Super Capacitor Based Emergency Lighting System
US-2018186470-A1 · Jul 5, 2018 · US
Energy storage apparatus
US-10014507-B2 · Jul 3, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01G11/00?
- CPC H01G11/00 is the Cooperative Patent Classification code for “Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof.”
- How many patents are filed under CPC H01G11/00 (Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof)?
- Our database includes 108 publications tagged with this CPC code.
- Is patent activity under CPC H01G11/00 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).