for the control of the colour (G02F1/03 - G02F1/21 take precedence)

for the control of the colour (G02F1/03 - G02F1/21 take precedence) · 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 codeG02F1/23
Official titlefor the control of the colour (G02F1/03 - G02F1/21 take precedence)
Display labelfor the control of the colour (G02F1/03 - G02F1/21 take precedence)
Total patents119

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201519
201612
201717
201814
201916
202010
20216
20229
20233
20248
20254
20261

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 G02F1/23?
CPC G02F1/23 is the Cooperative Patent Classification code for “for the control of the colour (G02F1/03 - G02F1/21 take precedence).”
How many patents are filed under CPC G02F1/23 (for the control of the colour (G02F1/03 - G02F1/21 take precedence))?
Our database includes 119 publications tagged with this CPC code.
Is patent activity under CPC G02F1/23 growing?
Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).