Miniature Grism System for Astronomical Spectroscopy
US-2017357038-A1 · Dec 14, 2017 · US
Spectrometry; Spectrophotometry; Monochromators; Measuring colours
Spectrometry; Spectrophotometry; Monochromators; Measuring colours · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01J3/00 |
| Official title | Spectrometry; Spectrophotometry; Monochromators; Measuring colours |
| Display label | Spectrometry; Spectrophotometry; Monochromators; Measuring colours |
| Total patents | 214 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 14 |
| 2017 | 31 |
| 2018 | 22 |
| 2019 | 39 |
| 2020 | 22 |
| 2021 | 14 |
| 2022 | 23 |
| 2023 | 13 |
| 2024 | 11 |
| 2025 | 7 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coherently receiving simultaneous optical-based electrical signals
US-9841375-B2 · Dec 12, 2017 · US
System and Method for Spectral Tuning of Broadband Light Sources
US-2017350575-A1 · Dec 7, 2017 · US
3D laser ablation tomography and spectrographic analysis
US-9835532-B2 · Dec 5, 2017 · US
Microscope system
US-9829694-B2 · Nov 28, 2017 · US
Analyzing color of color alloy using reflectance
US-2017328831-A1 · Nov 16, 2017 · US
Methods and devices for ambient light acquisition and analysis
US-2017328766-A1 · Nov 16, 2017 · US
Monitoring of dentition
US-2017325690-A1 · Nov 16, 2017 · US
Method for monitoring dentition
US-2017325689-A1 · Nov 16, 2017 · US
Emulsion detection using optical computing devices
US-2017284196-A1 · Oct 5, 2017 · US
Opticoanalytical Devices With Capacitance-Based Nanomaterial Detectors
US-2017268926-A1 · Sep 21, 2017 · US
Microlithographic projection exposure apparatus
US-9767068-B2 · Sep 19, 2017 · US
Liquid crystal fourier transform imaging spectrometer
US-2017264835-A1 · Sep 14, 2017 · US
Medication assurance system and method
US-2017262615-A1 · Sep 14, 2017 · US
Liquid crystal fourier transform imaging spectrometer
US-2017264834-A1 · Sep 14, 2017 · US
Multi parameter swimming pool fluid analysis and regulating method and device
US-2017248568-A1 · Aug 31, 2017 · US
Spectrometry device and image forming apparatus
US-9739662-B2 · Aug 22, 2017 · US
Coherently receiving simultaneous optical-based electrical signals
US-2017227461-A1 · Aug 10, 2017 · US
System and Method for Hyperspectral Imaging Metrology
US-2017219487-A1 · Aug 3, 2017 · US
Integrated computational element with multiple frequency selective surfaces
US-9708908-B2 · Jul 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01J3/00?
- CPC G01J3/00 is the Cooperative Patent Classification code for “Spectrometry; Spectrophotometry; Monochromators; Measuring colours.”
- How many patents are filed under CPC G01J3/00 (Spectrometry; Spectrophotometry; Monochromators; Measuring colours)?
- Our database includes 214 publications tagged with this CPC code.
- Is patent activity under CPC G01J3/00 growing?
- Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).