Beam current control or regulation circuits (H01J37/241 takes precedence)

Beam current control or regulation circuits (H01J37/241 takes precedence) · 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 codeH01J37/243
Official title{Beam current control or regulation circuits (H01J37/241 takes precedence)}
Display labelBeam current control or regulation circuits (H01J37/241 takes precedence)
Total patents145

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
201513
201612
201710
201814
201914
202015
202111
202213
202317
202410
202514
20262

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 H01J37/243?
CPC H01J37/243 is the Cooperative Patent Classification code for “Beam current control or regulation circuits (H01J37/241 takes precedence).”
How many patents are filed under CPC H01J37/243 (Beam current control or regulation circuits (H01J37/241 takes precedence))?
Our database includes 145 publications tagged with this CPC code.
Is patent activity under CPC H01J37/243 growing?
Publication counts under this code: 10 in 2024 vs 14 in 2025 (latest complete years).