by the use, as active elements, of more than one type of element or means, e.g. BIMOS, composite devices such as IGBT

by the use, as active elements, of more than one type of element or means, e.g. BIMOS, composite devices such as IGBT · 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 codeH03K3/021
Official titleby the use, as active elements, of more than one type of element or means, e.g. BIMOS, composite devices such as IGBT
Display labelby the use, as active elements, of more than one type of element or means, e.g. BIMOS, composite devices such as IGBT
Total patents55

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
20151
20161
20173
20185
201912
20205
20218
20224
20236
20245
20254
20261

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 H03K3/021?
CPC H03K3/021 is the Cooperative Patent Classification code for “by the use, as active elements, of more than one type of element or means, e.g. BIMOS, composite devices such as IGBT.”
How many patents are filed under CPC H03K3/021 (by the use, as active elements, of more than one type of element or means, e.g. BIMOS, composite devices such as IGBT)?
Our database includes 55 publications tagged with this CPC code.
Is patent activity under CPC H03K3/021 growing?
Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).