PatentsDB

doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers

doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers · 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 codeC03B2201/34
Official titledoped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers
Display labeldoped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers
Total patents60

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
20156
20165
20176
20184
20194
20208
20217
20223
20234
20249
20254

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 C03B2201/34?
CPC C03B2201/34 is the Cooperative Patent Classification code for “doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers.”
How many patents are filed under CPC C03B2201/34 (doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers)?
Our database includes 60 publications tagged with this CPC code.
Is patent activity under CPC C03B2201/34 growing?
Publication counts under this code: 9 in 2024 vs 4 in 2025 (latest complete years).