Electromagnetic shielding materials, e.g. EMI, RFI shielding (H05K9/0003 takes precedence)

Electromagnetic shielding materials, e.g. EMI, RFI shielding (H05K9/0003 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 codeH05K9/0081
Official title{Electromagnetic shielding materials, e.g. EMI, RFI shielding (H05K9/0003 takes precedence)}
Display labelElectromagnetic shielding materials, e.g. EMI, RFI shielding (H05K9/0003 takes precedence)
Total patents962

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
201539
201666
201766
2018101
201982
202093
2021102
202299
2023103
2024107
202585
202619

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 H05K9/0081?
CPC H05K9/0081 is the Cooperative Patent Classification code for “Electromagnetic shielding materials, e.g. EMI, RFI shielding (H05K9/0003 takes precedence).”
How many patents are filed under CPC H05K9/0081 (Electromagnetic shielding materials, e.g. EMI, RFI shielding (H05K9/0003 takes precedence))?
Our database includes 962 publications tagged with this CPC code.
Is patent activity under CPC H05K9/0081 growing?
Publication counts under this code: 107 in 2024 vs 85 in 2025 (latest complete years).