Dielectric stack polarisers

Dielectric stack polarisers · Cooperative Patent Classification (CPC)

Computing, optics, measurement, and control technologies.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeG02F1/133545
Official title{Dielectric stack polarisers}
Display labelDielectric stack polarisers
Total patents104

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
20158
20169
20178
201814
201913
20209
202116
202212
20239
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 G02F1/133545?
CPC G02F1/133545 is the Cooperative Patent Classification code for “Dielectric stack polarisers.”
How many patents are filed under CPC G02F1/133545 (Dielectric stack polarisers)?
Our database includes 104 publications tagged with this CPC code.
Is patent activity under CPC G02F1/133545 growing?
Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).