Planar immersion lens with metasurfaces
US-10594166-B2 · Mar 17, 2020 · US
Optics using evanescent waves, i.e. inhomogeneous waves
Optics using evanescent waves, i.e. inhomogeneous waves · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B27/56 |
| Official title | Optics using evanescent waves, i.e. inhomogeneous waves |
| Display label | Optics using evanescent waves, i.e. inhomogeneous waves |
| Total patents | 112 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 13 |
| 2017 | 10 |
| 2018 | 10 |
| 2019 | 16 |
| 2020 | 11 |
| 2021 | 12 |
| 2022 | 11 |
| 2023 | 4 |
| 2024 | 10 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High sensitivity sensor utilizing ultra-fast laser pulse excitation and time delayed detector
US-10520437-B1 · Dec 31, 2019 · US
Imaging Apparatus and Method for Imaging an Object
US-2019383743-A1 · Dec 19, 2019 · US
Device and method for providing illumination for total-internal-reflection fluorescence microscopy
US-2019285547-A1 · Sep 19, 2019 · US
Device and method for shielding at least one sub-wavelength-scale object from an incident electromagnetic wave
US-2019250315-A1 · Aug 15, 2019 · US
Optical detection device and optical detection method
US-2019234875-A1 · Aug 1, 2019 · US
Coupling-modulated optical resonator
US-10338416-B2 · Jul 2, 2019 · US
Total internal reflection microscope
US-2019187449-A1 · Jun 20, 2019 · US
Analysis device, microscope device, analysis method, and program
US-2019137754-A1 · May 9, 2019 · US
Solid immersion lens holder for high resolution optical microscope
US-10281707-B2 · May 7, 2019 · US
Method and device for microscopic examination of a sample
US-10281705-B2 · May 7, 2019 · US
Analysis device, microscope device, analysis method, and program
US-10268033-B2 · Apr 23, 2019 · US
Near field metrology
US-10261014-B2 · Apr 16, 2019 · US
Device for forming a field intensity pattern in the near zone, from incident electromagnetic waves
US-2019101769-A1 · Apr 4, 2019 · US
Device for forming at least one focused beam in the near zone, from incident electromagnetic waves
US-2019101700-A1 · Apr 4, 2019 · US
Total internal reflection microscope
US-10241312-B2 · Mar 26, 2019 · US
Hydrocarbon sensing methods and apparatus
US-10175168-B2 · Jan 8, 2019 · US
Beam expander
US-10067401-B2 · Sep 4, 2018 · US
Infrared spectroscopic imaging microscope with an attenuated total reflection imaging sub-assembly
US-10054782-B2 · Aug 21, 2018 · US
Fiber-waveguide evanescent coupler
US-2018188454-A1 · Jul 5, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B27/56?
- CPC G02B27/56 is the Cooperative Patent Classification code for “Optics using evanescent waves, i.e. inhomogeneous waves.”
- How many patents are filed under CPC G02B27/56 (Optics using evanescent waves, i.e. inhomogeneous waves)?
- Our database includes 112 publications tagged with this CPC code.
- Is patent activity under CPC G02B27/56 growing?
- Publication counts under this code: 10 in 2024 vs 5 in 2025 (latest complete years).