Microscopy system
US-2018348495-A1 · Dec 6, 2018 · US
in which spectral selection is performed by means of a conductive grid or array, e.g. frequency selective surfaces (for use with wavelengths longer than the infrared light H01Q15/0006)
in which spectral selection is performed by means of a conductive grid or array, e.g. frequency selective surfaces (for use with wavelengths longer than the infrared light H01Q15/0006) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B5/204 |
| Official title | {in which spectral selection is performed by means of a conductive grid or array, e.g. frequency selective surfaces (for use with wavelengths longer than the infrared light H01Q15/0006)} |
| Display label | in which spectral selection is performed by means of a conductive grid or array, e.g. frequency selective surfaces (for use with wavelengths longer than the infrared light H01Q15/0006) |
| Total patents | 223 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 19 |
| 2017 | 28 |
| 2018 | 19 |
| 2019 | 23 |
| 2020 | 20 |
| 2021 | 25 |
| 2022 | 27 |
| 2023 | 21 |
| 2024 | 15 |
| 2025 | 19 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
MIMO visible light communication system receiving device
US-10128945-B2 · Nov 13, 2018 · US
Directive colour filter and naked-eye 3d display apparatus
US-2018321500-A1 · Nov 8, 2018 · US
Pellicle for reticle and multilayer mirror
US-2018259846-A1 · Sep 13, 2018 · US
Metal mirror based multispectral filter array
US-2018204864-A1 · Jul 19, 2018 · US
Green laser line notch absorber
US-9958583-B1 · May 1, 2018 · US
Optical detection apparatus and methods
US-9848112-B2 · Dec 19, 2017 · US
Arrangement of an aperture and a filter region for a filter sensor device and filter sensor device
US-2017323171-A1 · Nov 9, 2017 · US
Plasmonic filter
US-9810823-B2 · Nov 7, 2017 · US
Liquid crystal display panel of improving color washout
US-9804433-B2 · Oct 31, 2017 · US
Display device
US-2017293168-A1 · Oct 12, 2017 · US
Solid-state image capturing apparatus and electronic device
US-2017278826-A1 · Sep 28, 2017 · US
Process for plasmonic-based high resolution color printing
US-2017192351-A1 · Jul 6, 2017 · US
Electro-optic windows
US-2017191308-A1 · Jul 6, 2017 · US
Coloured mirror
US-2017192141-A1 · Jul 6, 2017 · US
Material for blocking crosstalk, optical assembly, and method for preparing material
US-2017192186-A1 · Jul 6, 2017 · US
Sensing images and light sources via visible light filters
US-9696470-B2 · Jul 4, 2017 · US
Metal mirror based multispectral filter array
US-2017186793-A1 · Jun 29, 2017 · US
Liquid crystal display panel of improving color washout
US-2017160584-A1 · Jun 8, 2017 · US
Plasmonic filter
US-2017153367-A1 · Jun 1, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B5/204?
- CPC G02B5/204 is the Cooperative Patent Classification code for “in which spectral selection is performed by means of a conductive grid or array, e.g. frequency selective surfaces (for use with wavelengths longer than the infrared light H01Q15/0006).”
- How many patents are filed under CPC G02B5/204 (in which spectral selection is performed by means of a conductive grid or array, e.g. frequency selective surfaces (for use with wavelengths longer than the infrared light H01Q15/0006))?
- Our database includes 223 publications tagged with this CPC code.
- Is patent activity under CPC G02B5/204 growing?
- Publication counts under this code: 15 in 2024 vs 19 in 2025 (latest complete years).