Other ferrites containing rare earth metals, e.g. rare earth ferrite garnets

Other ferrites containing rare earth metals, e.g. rare earth ferrite garnets · 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 codeC04B35/2675
Official title{Other ferrites containing rare earth metals, e.g. rare earth ferrite garnets}
Display labelOther ferrites containing rare earth metals, e.g. rare earth ferrite garnets
Total patents61

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
20157
20161
20174
20187
20198
20204
20217
20223
202311
20245
20253
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 C04B35/2675?
CPC C04B35/2675 is the Cooperative Patent Classification code for “Other ferrites containing rare earth metals, e.g. rare earth ferrite garnets.”
How many patents are filed under CPC C04B35/2675 (Other ferrites containing rare earth metals, e.g. rare earth ferrite garnets)?
Our database includes 61 publications tagged with this CPC code.
Is patent activity under CPC C04B35/2675 growing?
Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).