Smooth-surfaced graphite membrane and method for producing same
US-2017355603-A1 · Dec 14, 2017 · US
Electronic properties
Electronic properties · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B2204/22 |
| Official title | Electronic properties |
| Display label | Electronic properties |
| Total patents | 465 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 29 |
| 2017 | 31 |
| 2018 | 44 |
| 2019 | 60 |
| 2020 | 48 |
| 2021 | 54 |
| 2022 | 52 |
| 2023 | 39 |
| 2024 | 40 |
| 2025 | 50 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cell sheet manufacturing device and manufacturing method therefor
US-2017321176-A1 · Nov 9, 2017 · US
Compressive graphene hydrogel and preparation method therefor
US-2017309365-A1 · Oct 26, 2017 · US
Electrochemically modified carbon material for lithium-ion battery
US-2017288224-A1 · Oct 5, 2017 · US
One-step synthesis of graphene quantum dots
US-9751766-B1 · Sep 5, 2017 · US
Fabrication of Carbon Nanoribbons from Carbon Nanotube Arrays
US-2017247257-A1 · Aug 31, 2017 · US
Hierarchical composite structures based on graphene foam or graphene-like foam
US-2017237075-A1 · Aug 17, 2017 · US
Linked stacks of partly reduced graphen, method for producing linked stacks of partly reduced graphene, power comprising linked stacks of partly reduced graphene, graphene electrode film, method for producing graphene elcetrode film, and graphene capacitor
US-9734956-B2 · Aug 15, 2017 · US
Tunneling diode using graphene-silicon quantum dot hybrid structure and method of manufacturing the same
US-2017229589-A1 · Aug 10, 2017 · US
Supercapacitor having highly conductive graphene foam electrode
US-2017200565-A1 · Jul 13, 2017 · US
Transparent, flexible, low-noise electrodes for simultaneous electrophysiologyand neuro-imaging
US-2017172446-A1 · Jun 22, 2017 · US
Graphene-containing coating film, and method for preparing the same
US-2017059117-A1 · Mar 2, 2017 · US
Graphene transparent conductive electrode
US-2017057827-A1 · Mar 2, 2017 · US
Process for producing highly oriented graphene films
US-9580325-B2 · Feb 28, 2017 · US
Process and device for forming a graphene layer
US-2017044669-A1 · Feb 16, 2017 · US
Method for synthesizing multilayer graphene
US-2016369394-A1 · Dec 22, 2016 · US
Graphene conductive film and method for forming the same, and flexible touch device
US-2016368250-A1 · Dec 22, 2016 · US
Polarizer and manufacturing method thereof, display panel and display device
US-2016327691-A1 · Nov 10, 2016 · US
Graphene-ionic liquid composites
US-9484158-B2 · Nov 1, 2016 · US
Nanoplate-nanotube composites, methods for production thereof and products obtained therefrom
US-9475921-B2 · Oct 25, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B2204/22?
- CPC C01B2204/22 is the Cooperative Patent Classification code for “Electronic properties.”
- How many patents are filed under CPC C01B2204/22 (Electronic properties)?
- Our database includes 465 publications tagged with this CPC code.
- Is patent activity under CPC C01B2204/22 growing?
- Publication counts under this code: 40 in 2024 vs 50 in 2025 (latest complete years).