characterised by the material thereof

characterised by the material thereof · 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 codeH01K1/04
Official titlecharacterised by the material thereof
Display labelcharacterised by the material thereof
Total patents25

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
20153
20162
20173
20182
20195
20204
20213
20221
20231
20251

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 H01K1/04?
CPC H01K1/04 is the Cooperative Patent Classification code for “characterised by the material thereof.”
How many patents are filed under CPC H01K1/04 (characterised by the material thereof)?
Our database includes 25 publications tagged with this CPC code.
Is patent activity under CPC H01K1/04 growing?
Publication counts under this code: 1 in 2023 vs 1 in 2025 (latest complete years).