Electrochemical energy storage systems and methods
US-9831043-B2 · Nov 28, 2017 · US
Electrodes
Electrodes · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M4/00 |
| Official title | Electrodes |
| Display label | Electrodes |
| Total patents | 161 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 25 |
| 2017 | 18 |
| 2018 | 20 |
| 2019 | 15 |
| 2020 | 8 |
| 2021 | 8 |
| 2022 | 7 |
| 2023 | 11 |
| 2024 | 14 |
| 2025 | 11 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus for manufacturing membrane-electrode assembly for fuel cell and membrane-electrode assembly manufactured using the same
US-9825312-B2 · Nov 21, 2017 · US
Methods and apparatus to form biocompatible energization primary elements for biomedical devices
US-2017322429-A1 · Nov 9, 2017 · US
Method for producing an electrode structure
US-9789305-B2 · Oct 17, 2017 · US
Methods and apparatus to form biocompatible energization primary elements for biomedical devices
US-9746695-B2 · Aug 29, 2017 · US
Porous electrode substrate, method for manufacturing same, precursor sheet, membrane electrode assembly, and polymer electrolyte fuel cell
US-9705137-B2 · Jul 11, 2017 · US
Conductive porous layer for batteries and fabrication method for same
US-9666872-B2 · May 30, 2017 · US
Secondary battery, and electrode sheet cutting apparatus
US-9660250-B2 · May 23, 2017 · US
Electrode structure and method for producing
US-2017113034-A1 · Apr 27, 2017 · US
Method for producing sulfide solid electrolyte materials
US-9595735-B2 · Mar 14, 2017 · US
Interdigitated electrode device
US-9589692-B2 · Mar 7, 2017 · US
Hybrid energy storage device
US-9576747-B2 · Feb 21, 2017 · US
Secondary battery, and electrode sheet cutting apparatus
US-9548483-B2 · Jan 17, 2017 · US
Nanodevices for generating power from molecules and batteryless sensing
US-9537157-B2 · Jan 3, 2017 · US
Spinel compositions and applications thereof
US-9511358-B2 · Dec 6, 2016 · US
Nonaqueous electrolyte secondary battery and manufacturing method thereof
US-9490476-B2 · Nov 8, 2016 · US
Conductive porous layer for batteries and fabrication method for same
US-2016293964-A1 · Oct 6, 2016 · US
Electrode assembly and secondary battery having the electrode assembly
US-2016268581-A1 · Sep 15, 2016 · US
Vinylidene fluoride copolymers
US-9441054-B2 · Sep 13, 2016 · US
Energy storage structure, method of manufacturing a support structure for same, and microelectronic assembly and system containing same
US-9409767-B2 · Aug 9, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M4/00?
- CPC H01M4/00 is the Cooperative Patent Classification code for “Electrodes.”
- How many patents are filed under CPC H01M4/00 (Electrodes)?
- Our database includes 161 publications tagged with this CPC code.
- Is patent activity under CPC H01M4/00 growing?
- Publication counts under this code: 14 in 2024 vs 11 in 2025 (latest complete years).