Covalent organic framework and energy storage device
US-2024063390-A1 · Feb 22, 2024 · US
containing heterocyclic rings
containing heterocyclic rings · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M4/608 |
| Official title | {containing heterocyclic rings} |
| Display label | containing heterocyclic rings |
| Total patents | 268 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 13 |
| 2017 | 28 |
| 2018 | 20 |
| 2019 | 38 |
| 2020 | 32 |
| 2021 | 24 |
| 2022 | 19 |
| 2023 | 23 |
| 2024 | 21 |
| 2025 | 16 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polythiophene derivative, method for producing same, positive electrode active material for secondary batteries, and secondary battery
US-2017346095-A1 · Nov 30, 2017 · US
Polymer coatings and anode material pre-lithiation
US-2017294648-A1 · Oct 12, 2017 · US
Redox-Active Supramolecular Polymer Binders Derived from Perylene Bisimide Nanowires Enable High-Rate Lithium-Sulfur Batteries
US-2017279122-A1 · Sep 28, 2017 · US
Self-organized and electrically conducting pedot polymer matrix for applications in sensors and energy generation and storage
US-2017241025-A1 · Aug 24, 2017 · US
Method for producing lithium ion cell and lithium ion cell
US-2017237046-A1 · Aug 17, 2017 · US
Redox polymer energy storage system
US-9728346-B2 · Aug 8, 2017 · US
Electrode materials derived from polyquinonic ionic compounds and their use in electrochemical generators
US-9722240-B2 · Aug 1, 2017 · US
Novel 9,10-bis(1,3-dithiol-2-ylidene)-9,10-dihydroanthracene polymers and use thereof
US-2017179525-A1 · Jun 22, 2017 · US
Electrode active material for power storage device, power storage device, and electronic and transportation device
US-9650392-B2 · May 16, 2017 · US
Electrode active material and secondary battery
US-9647269-B2 · May 9, 2017 · US
Electrode and electricity storage device
US-9640335-B2 · May 2, 2017 · US
Method of producing electrically conductive polymer and cellulose nanocomposites
US-9620779-B2 · Apr 11, 2017 · US
Ion-conductive fused-ring quinone polymer, electrode active material and secondary battery
US-2017077517-A1 · Mar 16, 2017 · US
Charge storage material, electrode active material and secondary battery
US-2017077518-A1 · Mar 16, 2017 · US
Use of particular polymers as charge storage means
US-2017062825-A1 · Mar 2, 2017 · US
Sulfur composites and polymeric materials from elemental sulfur
US-9567439-B1 · Feb 14, 2017 · US
Bisphenol-based resin, electrode, lead storage battery, production methods for these, and resin composition
US-2017033362-A1 · Feb 2, 2017 · US
Lithium ion battery
US-9525174-B2 · Dec 20, 2016 · US
Complex for anode active material, anode including the complex, lithium secondary battery including the anode, and method of preparing the complex
US-2016315311-A1 · Oct 27, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M4/608?
- CPC H01M4/608 is the Cooperative Patent Classification code for “containing heterocyclic rings.”
- How many patents are filed under CPC H01M4/608 (containing heterocyclic rings)?
- Our database includes 268 publications tagged with this CPC code.
- Is patent activity under CPC H01M4/608 growing?
- Publication counts under this code: 21 in 2024 vs 16 in 2025 (latest complete years).