comprising two or more layers of dielectric material (H01Q1/425 takes precedence)

comprising two or more layers of dielectric material (H01Q1/425 takes precedence) · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH01Q1/422
Official title{comprising two or more layers of dielectric material (H01Q1/425 takes precedence)}
Display labelcomprising two or more layers of dielectric material (H01Q1/425 takes precedence)
Total patents722

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201514
201617
201727
201836
201956
202073
202184
2022100
202397
2024103
202590
202625

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC H01Q1/422?
CPC H01Q1/422 is the Cooperative Patent Classification code for “comprising two or more layers of dielectric material (H01Q1/425 takes precedence).”
How many patents are filed under CPC H01Q1/422 (comprising two or more layers of dielectric material (H01Q1/425 takes precedence))?
Our database includes 722 publications tagged with this CPC code.
Is patent activity under CPC H01Q1/422 growing?
Publication counts under this code: 103 in 2024 vs 90 in 2025 (latest complete years).