characterised by the type of medium used

characterised by the type of medium used · 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 codeH04L2012/284
Official title{characterised by the type of medium used}
Display labelcharacterised by the type of medium used
Total patents57

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
20152
20164
20179
20188
20197
20207
20216
20223
20235
20244
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 H04L2012/284?
CPC H04L2012/284 is the Cooperative Patent Classification code for “characterised by the type of medium used.”
How many patents are filed under CPC H04L2012/284 (characterised by the type of medium used)?
Our database includes 57 publications tagged with this CPC code.
Is patent activity under CPC H04L2012/284 growing?
Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).