as to hue or predominant wavelength

as to hue or predominant wavelength · 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 codeG02F1/25
Official titleas to hue or predominant wavelength
Display labelas to hue or predominant wavelength
Total patents39

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
20153
20161
20173
20185
20198
20206
20214
20222
20236
20251

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 G02F1/25?
CPC G02F1/25 is the Cooperative Patent Classification code for “as to hue or predominant wavelength.”
How many patents are filed under CPC G02F1/25 (as to hue or predominant wavelength)?
Our database includes 39 publications tagged with this CPC code.
Is patent activity under CPC G02F1/25 growing?
Publication counts under this code: 6 in 2023 vs 1 in 2025 (latest complete years).