Porosity measurement of semiconductor structures
US-10041873-B2 · Aug 7, 2018 · US
Coatings
Coatings · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N2021/8427 |
| Official title | {Coatings} |
| Display label | Coatings |
| Total patents | 406 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 17 |
| 2017 | 24 |
| 2018 | 35 |
| 2019 | 38 |
| 2020 | 35 |
| 2021 | 35 |
| 2022 | 43 |
| 2023 | 54 |
| 2024 | 48 |
| 2025 | 55 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatuses and methods for measuring spatial properties of surface coating containing flake pigment
US-2018180556-A1 · Jun 28, 2018 · US
Protective film detecting method
US-9976951-B2 · May 22, 2018 · US
Methods for manufacturing semiconductor device and for detecting end point of dry etching
US-9935023-B2 · Apr 3, 2018 · US
Apparatus for measuring a curvature of a thin film and the method thereof
US-2018052115-A1 · Feb 22, 2018 · US
Fluorescence detecting apparatus
US-2017370845-A1 · Dec 28, 2017 · US
Methods for sorting printed materials and methods for making paper using the printed materials
US-2017362774-A1 · Dec 21, 2017 · US
Defect inspection method and apparatus therefor
US-2017356855-A1 · Dec 14, 2017 · US
Multiscale uniformity analysis of a material
US-9841383-B2 · Dec 12, 2017 · US
Inspection device of display device and inspection method of display device
US-9835565-B2 · Dec 5, 2017 · US
Primer composition and method
US-2017329244-A1 · Nov 16, 2017 · US
Porosity Measurement Of Semiconductor Structures
US-2017315044-A1 · Nov 2, 2017 · US
Method for assessing the damage to a paint-covered composite material, measuring two separate criteria on the spectrogram
US-9797829-B2 · Oct 24, 2017 · US
Display of effect coatings on electronic display devices
US-9791318-B2 · Oct 17, 2017 · US
System and method for improved visual detection of protective coatings
US-2017292831-A1 · Oct 12, 2017 · US
Methods for manufacturing semiconductor device and for detecting end point of dry etching
US-2017287794-A1 · Oct 5, 2017 · US
Measuring apparatus and measuring method
US-9766132-B2 · Sep 19, 2017 · US
Process monitoring for uv curing
US-2017254745-A1 · Sep 7, 2017 · US
System and method for performing laser induced breakdown spectroscopy during laser ablation coating removal
US-2017247797-A1 · Aug 31, 2017 · US
Heat flux measurement system
US-2017211408-A1 · Jul 27, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N2021/8427?
- CPC G01N2021/8427 is the Cooperative Patent Classification code for “Coatings.”
- How many patents are filed under CPC G01N2021/8427 (Coatings)?
- Our database includes 406 publications tagged with this CPC code.
- Is patent activity under CPC G01N2021/8427 growing?
- Publication counts under this code: 48 in 2024 vs 55 in 2025 (latest complete years).