composed of semi-conducting layers

composed of semi-conducting layers · 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 codeH01B9/027
Official title{composed of semi-conducting layers}
Display labelcomposed of semi-conducting layers
Total patents191

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20156
20166
201711
201812
201922
202037
202121
202218
202318
202419
202514
20267

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 H01B9/027?
CPC H01B9/027 is the Cooperative Patent Classification code for “composed of semi-conducting layers.”
How many patents are filed under CPC H01B9/027 (composed of semi-conducting layers)?
Our database includes 191 publications tagged with this CPC code.
Is patent activity under CPC H01B9/027 growing?
Publication counts under this code: 19 in 2024 vs 14 in 2025 (latest complete years).