Photonic integrated circuit-based optical phased array phasing technique
US-11532881-B2 · Dec 20, 2022 · US
using holographic techniques
using holographic techniques · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01B9/021 |
| Official title | using holographic techniques |
| Display label | using holographic techniques |
| Total patents | 88 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 6 |
| 2017 | 7 |
| 2018 | 9 |
| 2019 | 10 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 15 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Measurement device
US-11523099-B2 · Dec 6, 2022 · US
Digital holography for alignment in layer deposition
US-2022341722-A1 · Oct 27, 2022 · US
Photonic integrated circuit-based optical phased array phasing technique
US-2022255219-A1 · Aug 11, 2022 · US
Method and apparatus for processing phase information
US-2022229397-A1 · Jul 21, 2022 · US
Method and apparatus for carrying out a time-resolved interferometric measurement
US-11293747-B2 · Apr 5, 2022 · US
Method And Device For Measuring Apex Radius Of Optical Element Based On Computer-Generated Hologram
US-2021364278-A1 · Nov 25, 2021 · US
Holographic three-dimensional multi-spot light stimulation device and method
US-2021293714-A1 · Sep 23, 2021 · US
Three-dimensional measurement device
US-11118895-B2 · Sep 14, 2021 · US
Measurement device
US-2021203907-A1 · Jul 1, 2021 · US
Polarization holographic microscope system and sample image acquisition method using the same
US-2021199417-A1 · Jul 1, 2021 · US
Method for defect inspection of transparent substrate by integrating interference and wavefront recording to reconstruct defect complex images information
US-10976152-B2 · Apr 13, 2021 · US
Chip defect detection device and detection method
US-10942129-B2 · Mar 9, 2021 · US
Method and apparatus for rapid diagnosis of hematologic malignancy using 3d quantitative phase imaging and deep learning
US-2020394794-A1 · Dec 17, 2020 · US
Three-dimensional measurement device
US-2020271434-A1 · Aug 27, 2020 · US
Apparatus for measure of coherence of light source for holographic display and method thereof
US-2020182701-A1 · Jun 11, 2020 · US
Chip defect detection device and detection method
US-2020173932-A1 · Jun 4, 2020 · US
Method and apparatus for carrying out a time-resolved interferometric measurement
US-2020103213-A1 · Apr 2, 2020 · US
Metrology target
US-2020011650-A1 · Jan 9, 2020 · US
Displacement detecting device with controlled heat generation
US-10451401-B2 · Oct 22, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01B9/021?
- CPC G01B9/021 is the Cooperative Patent Classification code for “using holographic techniques.”
- How many patents are filed under CPC G01B9/021 (using holographic techniques)?
- Our database includes 88 publications tagged with this CPC code.
- Is patent activity under CPC G01B9/021 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).