to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators {(modulation H03C)}

to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators {(modulation H03C)} · 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 codeH03F1/06
Official titleto raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators {(modulation H03C)}
Display labelto raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators {(modulation H03C)}
Total patents38

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
20155
20162
20176
20186
20193
20203
20223
20232
20245
20252
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 H03F1/06?
CPC H03F1/06 is the Cooperative Patent Classification code for “to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators {(modulation H03C)}.”
How many patents are filed under CPC H03F1/06 (to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators {(modulation H03C)})?
Our database includes 38 publications tagged with this CPC code.
Is patent activity under CPC H03F1/06 growing?
Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).