Method to requalify die after storage
US-12590797-B2 · Mar 31, 2026 · US
Measuring instruments characterised by the use of optical techniques
Measuring instruments characterised by the use of optical 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 | G01B9/00 |
| Official title | Measuring instruments characterised by the use of optical techniques |
| Display label | Measuring instruments characterised by the use of optical techniques |
| Total patents | 49 |
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 | 9 |
| 2016 | 7 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 4 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method to requalify die after storage
US-2025205778-A1 · Jun 26, 2025 · US
Frequency control of orthogonal polarisation modes in an optical cavity
US-12174015-B2 · Dec 24, 2024 · US
Frequency control of orthogonal polarisation modes in an optical cavity
US-2023288183-A1 · Sep 14, 2023 · US
Device and method for measuring horological shakes
US-11402805-B2 · Aug 2, 2022 · US
Determining facial metrics of a patient and identifying a custom mask for the patient therefrom
US-11338102-B2 · May 24, 2022 · US
Substrate processing system and state monitoring method
US-2022068672-A1 · Mar 3, 2022 · US
Light sensing device and particle sensing device
US-11035777-B2 · Jun 15, 2021 · US
Device and method for measuring horological shakes
US-2021173349-A1 · Jun 10, 2021 · US
Measurement method for resin state of prepreg surface and measurement device therefor
US-2021003387-A1 · Jan 7, 2021 · US
Methods for confocal optical protractor with structured light illumination to determine angles
US-10809057-B2 · Oct 20, 2020 · US
Confocal optical protractor
US-10670391-B2 · Jun 2, 2020 · US
Optical measuring apparatus and adapter for optical measuring apparatus
US-10641654-B2 · May 5, 2020 · US
Methods for confocal optical protractor with structured light illumination to determine angles
US-2020132444-A1 · Apr 30, 2020 · US
Confocal optical protractor
US-2020132443-A1 · Apr 30, 2020 · US
Measuring instrument that detects displacement of a contact point
US-10598524-B2 · Mar 24, 2020 · US
Methods and systems for managing photographic capture
US-10576016-B2 · Mar 3, 2020 · US
Light sensing device and particle sensing device
US-2019339191-A1 · Nov 7, 2019 · US
Interferometer and imaging method therefor
US-10422744-B2 · Sep 24, 2019 · US
Determining facial metrics of a patient and identifying a custom mask for the patient therefrom
US-2019184122-A1 · Jun 20, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01B9/00?
- CPC G01B9/00 is the Cooperative Patent Classification code for “Measuring instruments characterised by the use of optical techniques.”
- How many patents are filed under CPC G01B9/00 (Measuring instruments characterised by the use of optical techniques)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC G01B9/00 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).