Circuit board, electronic device, and production method for circuit board
US-12156346-B2 · Nov 26, 2024 · US
Permanent coating compositions
Permanent coating compositions · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H05K3/285 |
| Official title | {Permanent coating compositions} |
| Display label | Permanent coating compositions |
| Total patents | 450 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 22 |
| 2016 | 48 |
| 2017 | 44 |
| 2018 | 52 |
| 2019 | 66 |
| 2020 | 60 |
| 2021 | 38 |
| 2022 | 31 |
| 2023 | 35 |
| 2024 | 25 |
| 2025 | 18 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Circuit substrate and electronic device
US-2024023241-A1 · Jan 18, 2024 · US
Electronic device and method for manufacturing the same
US-2016381795-A1 · Dec 29, 2016 · US
Liquid ejection device
US-2016368015-A1 · Dec 22, 2016 · US
Epoxy compound, epoxy resin, curable compound, cured product thereof, semiconductor sealing material, and printed circuit board
US-2016369041-A1 · Dec 22, 2016 · US
Reducing dielectric loss in solder masks
US-9526180-B2 · Dec 20, 2016 · US
Methods for providing electrically-conductive articles
US-9516760-B2 · Dec 6, 2016 · US
Multilayer structure, fingerprint identification device and manufacturing method thereof
US-9516759-B2 · Dec 6, 2016 · US
Flexible printed circuit board and method of producing flexible printed circuit board
US-2016345426-A1 · Nov 24, 2016 · US
Method of manufacturing rigid-flexible printed circuit board
US-2016345431-A1 · Nov 24, 2016 · US
Use of combined masking techniques and/or combined material removal techniques to protectively coat electronic devices
US-2016345440-A1 · Nov 24, 2016 · US
Circuit board
US-9491858-B2 · Nov 8, 2016 · US
Printed wiring board, method for producing printed wiring board and semiconductor device
US-2016322293-A1 · Nov 3, 2016 · US
Substrate for light emitting device, light emitting device, and manufacturing method of substrate for light emitting device
US-2016308101-A1 · Oct 20, 2016 · US
Laminated structure
US-2016291471-A1 · Oct 6, 2016 · US
Method of manufacturing printed circuit board and method of inspecting printed circuit board
US-2016270274-A1 · Sep 15, 2016 · US
Copper Interconnect Device Including Surface Functionalized Graphene Capping Layer and Fabrication Method Thereof
US-2016270237-A1 · Sep 15, 2016 · US
Printed Circuits With Laser Ablated Conformal Coating Openings
US-2016262261-A1 · Sep 8, 2016 · US
Printed circuit board and method of manufacturing the same
US-2016262265-A1 · Sep 8, 2016 · US
Fluororesin base material, printed wiring board, and circuit module
US-2016250830-A1 · Sep 1, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H05K3/285?
- CPC H05K3/285 is the Cooperative Patent Classification code for “Permanent coating compositions.”
- How many patents are filed under CPC H05K3/285 (Permanent coating compositions)?
- Our database includes 450 publications tagged with this CPC code.
- Is patent activity under CPC H05K3/285 growing?
- Publication counts under this code: 25 in 2024 vs 18 in 2025 (latest complete years).