detecting presence or properties of a dot on paper

detecting presence or properties of a dot on paper · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB41J2/04558
Official title{detecting presence or properties of a dot on paper}
Display labeldetecting presence or properties of a dot on paper
Total patents292

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
201515
201622
201723
201824
201926
202031
202145
202239
202325
202423
202517
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 B41J2/04558?
CPC B41J2/04558 is the Cooperative Patent Classification code for “detecting presence or properties of a dot on paper.”
How many patents are filed under CPC B41J2/04558 (detecting presence or properties of a dot on paper)?
Our database includes 292 publications tagged with this CPC code.
Is patent activity under CPC B41J2/04558 growing?
Publication counts under this code: 23 in 2024 vs 17 in 2025 (latest complete years).