Radiation, e.g. UV, laser

Radiation, e.g. UV, laser · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC23C18/204
Official title{Radiation, e.g. UV, laser}
Display labelRadiation, e.g. UV, laser
Total patents174

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
201524
201631
201723
201827
201918
202012
202113
202212
20233
20246
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 C23C18/204?
CPC C23C18/204 is the Cooperative Patent Classification code for “Radiation, e.g. UV, laser.”
How many patents are filed under CPC C23C18/204 (Radiation, e.g. UV, laser)?
Our database includes 174 publications tagged with this CPC code.
Is patent activity under CPC C23C18/204 growing?
Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).