Optical sensing devices

Optical sensing devices · 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 codeB25J19/021
Official title{Optical sensing devices}
Display labelOptical sensing devices
Total patents917

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
201521
201629
201747
201871
201978
202090
202196
2022108
2023117
2024113
2025120
202627

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 B25J19/021?
CPC B25J19/021 is the Cooperative Patent Classification code for “Optical sensing devices.”
How many patents are filed under CPC B25J19/021 (Optical sensing devices)?
Our database includes 917 publications tagged with this CPC code.
Is patent activity under CPC B25J19/021 growing?
Publication counts under this code: 113 in 2024 vs 120 in 2025 (latest complete years).