having negative temperature coefficient

having negative temperature coefficient · 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 codeH01C7/04
Official titlehaving negative temperature coefficient
Display labelhaving negative temperature coefficient
Total patents289

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201523
201614
201724
201815
201914
202029
202137
202231
202322
202436
202531
202613

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 H01C7/04?
CPC H01C7/04 is the Cooperative Patent Classification code for “having negative temperature coefficient.”
How many patents are filed under CPC H01C7/04 (having negative temperature coefficient)?
Our database includes 289 publications tagged with this CPC code.
Is patent activity under CPC H01C7/04 growing?
Publication counts under this code: 36 in 2024 vs 31 in 2025 (latest complete years).