Topology aspects

Topology aspects · 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 codeH04Q2011/009
Official title{Topology aspects}
Display labelTopology aspects
Total patents188

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
201517
201626
201725
201813
201915
202017
202117
202222
20239
202416
20255
20266

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 H04Q2011/009?
CPC H04Q2011/009 is the Cooperative Patent Classification code for “Topology aspects.”
How many patents are filed under CPC H04Q2011/009 (Topology aspects)?
Our database includes 188 publications tagged with this CPC code.
Is patent activity under CPC H04Q2011/009 growing?
Publication counts under this code: 16 in 2024 vs 5 in 2025 (latest complete years).