Optical amplifying element, light source device, and image pickup device
US-9853419-B2 · Dec 26, 2017 · US
Two or more frequencies or sources used for interferometric measurement (using only beat G01B9/02003)
Two or more frequencies or sources used for interferometric measurement (using only beat G01B9/02003) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01B9/02007 |
| Official title | {Two or more frequencies or sources used for interferometric measurement (using only beat G01B9/02003)} |
| Display label | Two or more frequencies or sources used for interferometric measurement (using only beat G01B9/02003) |
| Total patents | 347 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 24 |
| 2016 | 21 |
| 2017 | 24 |
| 2018 | 31 |
| 2019 | 37 |
| 2020 | 33 |
| 2021 | 29 |
| 2022 | 36 |
| 2023 | 36 |
| 2024 | 36 |
| 2025 | 33 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Microstructured optical fiber, supercontinuum light source comprising microstructured optical fiber and use of such light source
US-9835795-B2 · Dec 5, 2017 · US
System, apparatus and method for utilizing optical dispersion for fourier-domain optical coherence tomography
US-2017319071-A1 · Nov 9, 2017 · US
Nonlinear interferometer systems and methods
US-2017315054-A1 · Nov 2, 2017 · US
Feature and depth measurement using multiple beam sources and interferometry
US-2017299373-A1 · Oct 19, 2017 · US
Lithography system with differential interferometer module
US-2017277043-A1 · Sep 28, 2017 · US
Feature and depth measurement using multiple beam sources and interferometry
US-9719776-B2 · Aug 1, 2017 · US
Lithography system with differential interferometer module
US-9678443-B2 · Jun 13, 2017 · US
System, apparatus and method for utilizing optical dispersion for fourier-domain optical coherence tomography
US-9668652-B2 · Jun 6, 2017 · US
Modulated laser for atom interferometers
US-9671216-B1 · Jun 6, 2017 · US
Dual wavelength dual interferometer with combiner-splitter
US-9651359-B2 · May 16, 2017 · US
Apparatus and methods for optical coherence tomography and two-photon luminescence imaging
US-2017122720-A1 · May 4, 2017 · US
Compensated broadband fiber light source with stable mean wavelength
US-2017082420-A1 · Mar 23, 2017 · US
Supercontinuum Light Source Comprising Tapered Microstructured Optical Fiber
US-2017085051-A1 · Mar 23, 2017 · US
Apparatus and methods for one or more wavelength swept lasers and the detection of signals thereof
US-2017074640-A1 · Mar 16, 2017 · US
Systems and methods for phase measurements
US-9528817-B2 · Dec 27, 2016 · US
Apparatus and methods for optical coherence tomography and two-photon luminescence imaging
US-9482513-B2 · Nov 1, 2016 · US
Methods for 3-dimensional interferometric microscopy
US-9482512-B2 · Nov 1, 2016 · US
Light source and optical coherence tomography apparatus using the same
US-9451672-B2 · Sep 20, 2016 · US
System for fourier domain optical coherence tomography
US-9448056-B2 · Sep 20, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01B9/02007?
- CPC G01B9/02007 is the Cooperative Patent Classification code for “Two or more frequencies or sources used for interferometric measurement (using only beat G01B9/02003).”
- How many patents are filed under CPC G01B9/02007 (Two or more frequencies or sources used for interferometric measurement (using only beat G01B9/02003))?
- Our database includes 347 publications tagged with this CPC code.
- Is patent activity under CPC G01B9/02007 growing?
- Publication counts under this code: 36 in 2024 vs 33 in 2025 (latest complete years).