Photonic chip security structure
US-11815717-B2 · Nov 14, 2023 · US
as light absorbers
as light absorbers · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B6/243 |
| Official title | {as light absorbers} |
| Display label | as light absorbers |
| Total patents | 81 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 4 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 10 |
| 2021 | 3 |
| 2022 | 11 |
| 2023 | 6 |
| 2024 | 9 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Photodetectors and absorbers with slanted light incidence
US-2022344523-A1 · Oct 27, 2022 · US
Michelson interference optical fiber temperature sensor for detecting contrast change of fringes
US-11448558-B2 · Sep 20, 2022 · US
Tip reflection reduction for shape-sensing optical fiber
US-2022283373-A1 · Sep 8, 2022 · US
Michelson interference optical fiber temperature sensor for detecting contrast change of fringes
US-2022268641-A1 · Aug 25, 2022 · US
Waveguide with attenuator
US-11422303-B2 · Aug 23, 2022 · US
Tip reflection reduction for shape-sensing optical fiber
US-11422308-B2 · Aug 23, 2022 · US
High index edge blackening material
US-2022221723-A1 · Jul 14, 2022 · US
Ring-Geometry Photodetector Designs For High-Sensitivity And High-Speed Detection Of Optical Signals For Fiber Optic And Integrated Optoelectronic Devices
US-2022196913-A1 · Jun 23, 2022 · US
Multi-mode optical waveguide structures with isolated absorbers
US-11353651-B2 · Jun 7, 2022 · US
Waveguide with attenuator
US-2022171123-A1 · Jun 2, 2022 · US
Multi-mode optical waveguide structures with isolated absorbers
US-2022137290-A1 · May 5, 2022 · US
Waveguide absorbers
US-11079544-B2 · Aug 3, 2021 · US
Dump terminator
US-10989874-B2 · Apr 27, 2021 · US
Waveguide absorbers
US-2021041628-A1 · Feb 11, 2021 · US
Apparatuses for coupling radiation out of an optical fiber
US-10830953-B2 · Nov 10, 2020 · US
Optical member, light guiding member, and method for producing optical member
US-10739506-B2 · Aug 11, 2020 · US
Dump terminator
US-2020241203-A1 · Jul 30, 2020 · US
Waveguide termination device
US-10705294-B2 · Jul 7, 2020 · US
Optical fiber with integrated absorber material
US-2020209466-A1 · Jul 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B6/243?
- CPC G02B6/243 is the Cooperative Patent Classification code for “as light absorbers.”
- How many patents are filed under CPC G02B6/243 (as light absorbers)?
- Our database includes 81 publications tagged with this CPC code.
- Is patent activity under CPC G02B6/243 growing?
- Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).