using high-frequency excitation, e.g. microwave excitation

using high-frequency excitation, e.g. microwave excitation · 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 codeH01J27/16
Official titleusing high-frequency excitation, e.g. microwave excitation
Display labelusing high-frequency excitation, e.g. microwave excitation
Total patents64

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
201510
201611
201716
20187
20198
20201
20213
20223
20233
20252

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 H01J27/16?
CPC H01J27/16 is the Cooperative Patent Classification code for “using high-frequency excitation, e.g. microwave excitation.”
How many patents are filed under CPC H01J27/16 (using high-frequency excitation, e.g. microwave excitation)?
Our database includes 64 publications tagged with this CPC code.
Is patent activity under CPC H01J27/16 growing?
Publication counts under this code: 3 in 2023 vs 2 in 2025 (latest complete years).