Methods for measuring the shielding efficiency; Apparatus therefor; Isolation container for testing

Methods for measuring the shielding efficiency; Apparatus therefor; Isolation container for testing · 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 codeH05K9/0069
Official title{Methods for measuring the shielding efficiency; Apparatus therefor; Isolation container for testing}
Display labelMethods for measuring the shielding efficiency; Apparatus therefor; Isolation container for testing
Total patents49

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20154
20163
20174
20187
20196
20204
20213
20225
20234
20244
20254
20261

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 H05K9/0069?
CPC H05K9/0069 is the Cooperative Patent Classification code for “Methods for measuring the shielding efficiency; Apparatus therefor; Isolation container for testing.”
How many patents are filed under CPC H05K9/0069 (Methods for measuring the shielding efficiency; Apparatus therefor; Isolation container for testing)?
Our database includes 49 publications tagged with this CPC code.
Is patent activity under CPC H05K9/0069 growing?
Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).