Metal-resin composite, surface treatment method, and substrate of circuit board for high-frequency and high-speed signal transmission
US-12251862-B2 · Mar 18, 2025 · US
of light metals · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C25F3/18 |
| Official title | of light metals |
| Display label | of light metals |
| Total patents | 13 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 4 |
| 2022 | 3 |
| 2024 | 2 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12251862-B2 · Mar 18, 2025 · US
US-2024342968-A1 · Oct 17, 2024 · US
US-11978886-B2 · May 7, 2024 · US
US-11512400-B2 · Nov 29, 2022 · US
US-11492723-B2 · Nov 8, 2022 · US
US-2022186385-A1 · Jun 16, 2022 · US
US-11162185-B2 · Nov 2, 2021 · US
US-11136689-B2 · Oct 5, 2021 · US
US-2021130978-A1 · May 6, 2021 · US
US-2021104732-A1 · Apr 8, 2021 · US
US-2019292681-A1 · Sep 26, 2019 · US
US-2018171504-A1 · Jun 21, 2018 · US
US-9504554-B2 · Nov 29, 2016 · US