Composites

Composites · 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 codeH01M4/665
Official title{Composites}
Display labelComposites
Total patents202

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
201519
201611
201722
201819
201921
202024
202122
202224
202313
20248
202515
20264

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 H01M4/665?
CPC H01M4/665 is the Cooperative Patent Classification code for “Composites.”
How many patents are filed under CPC H01M4/665 (Composites)?
Our database includes 202 publications tagged with this CPC code.
Is patent activity under CPC H01M4/665 growing?
Publication counts under this code: 8 in 2024 vs 15 in 2025 (latest complete years).