Spectrophotometer
US-10866140-B2 · Dec 15, 2020 · US
Reflectance
Reflectance · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01J2003/425 |
| Official title | {Reflectance} |
| Display label | Reflectance |
| Total patents | 173 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 9 |
| 2018 | 18 |
| 2019 | 17 |
| 2020 | 31 |
| 2021 | 29 |
| 2022 | 18 |
| 2023 | 18 |
| 2024 | 14 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Attenuated total reflection crystal fabricated from diamond material
US-10852234-B2 · Dec 1, 2020 · US
High-resolution terahertz wave concentration module, scattered light detection module, and high-resolution inspection apparatus using terahertz Bessel beam
US-10768049-B2 · Sep 8, 2020 · US
Methods for nondestructive measurements of thickness of underlying layers
US-2020208964-A1 · Jul 2, 2020 · US
Light pipe for spectroscopy
US-10690590-B2 · Jun 23, 2020 · US
High-resolution terahertz wave concentration module, scattered light detection module, and high-resolution inspection apparatus using terahertz bessel beam
US-2020191656-A1 · Jun 18, 2020 · US
Method for detecting shipwrecked vessel and drown victims by using aerial hyperspectral image
US-10656018-B2 · May 19, 2020 · US
Spectroscopic evaluation of edible oil using profiles
US-2020124582-A1 · Apr 23, 2020 · US
Spectroscopic measurement apparatus, electronic apparatus, and spectroscopic measurement method
US-2020041343-A1 · Feb 6, 2020 · US
Reflective detection method and reflectance detection apparatus
US-10471536-B2 · Nov 12, 2019 · US
An attenuated total reflection crystal fabricated from diamond material
US-2019302020-A1 · Oct 3, 2019 · US
Method for detecting shipwrecked vessel and drown victims by using aerial hyperspectral image
US-2019293489-A1 · Sep 26, 2019 · US
Sensor device for plants having a spectroscopy vegetation index and height of the target plant determination
US-10408678-B2 · Sep 10, 2019 · US
Optical measurement device and optical measurement method
US-2019271642-A1 · Sep 5, 2019 · US
High-resolution terahertz wave concentration module, scattered light detection module, and high-resolution inspection apparatus using terahertz bessel beam
US-2019250037-A1 · Aug 15, 2019 · US
Ink tank, ink measuring system, and ink measuring method
US-2019232672-A1 · Aug 1, 2019 · US
Terahertz wave spectrometry system
US-10345150-B2 · Jul 9, 2019 · US
Systems and methods for an absorbance detector with optical reference
US-2019186995-A1 · Jun 20, 2019 · US
Method and electronic device for detecting wavelength spectrum of incident light
US-10306198-B2 · May 28, 2019 · US
Systems and methods for an absorbance detector with optical reference
US-10274369-B2 · Apr 30, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01J2003/425?
- CPC G01J2003/425 is the Cooperative Patent Classification code for “Reflectance.”
- How many patents are filed under CPC G01J2003/425 (Reflectance)?
- Our database includes 173 publications tagged with this CPC code.
- Is patent activity under CPC G01J2003/425 growing?
- Publication counts under this code: 14 in 2024 vs 10 in 2025 (latest complete years).