Image forming system, color measurement device, and non-transitory computer-readable recording medium
US-2026002818-A1 · Jan 1, 2026 · US
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Densitometric colour measurements
Densitometric colour measurements · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01J2003/503 |
| Official title | {Densitometric colour measurements} |
| Display label | Densitometric colour measurements |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2022 | 1 |
| 2024 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus and method for detecting dye mixing ratio
US-2024328858-A1 · Oct 3, 2024 · US
Apparatus and method for evaluating degradation of display panel and display driver using degradation evaluation value
US-12057040-B2 · Aug 6, 2024 · US
Apparatus and method for evaluating degradation of display panel and display driver using degradation evaluation value
US-2022093022-A1 · Mar 24, 2022 · US
Ink tank, ink measuring system, and ink measuring method
US-10792925-B2 · Oct 6, 2020 · US
Image forming apparatus, image forming system, and calibration method
US-10389919-B2 · Aug 20, 2019 · US
Ink tank, ink measuring system, and ink measuring method
US-2019232672-A1 · Aug 1, 2019 · US
Image forming apparatus, image forming system, and image formation control program
US-2018341208-A1 · Nov 29, 2018 · US
Image forming apparatus, image forming system, and image formation control program
US-10139765-B1 · Nov 27, 2018 · US
Determining a color of a color patch
US-9290030-B2 · Mar 22, 2016 · US
Color measurement device and image forming apparatus
US-9267841-B2 · Feb 23, 2016 · US
Determining a color of a color patch
US-2016001582-A1 · Jan 7, 2016 · US
Color analysis
US-9132681-B2 · Sep 15, 2015 · US
Spectrometer, and image evaluating unit and image forming device incorporating the same
US-8964176-B2 · Feb 24, 2015 · US
Color analysis
US-8960845-B2 · Feb 24, 2015 · US
Color analysis
US-2015049139-A1 · Feb 19, 2015 · US