Optical fiber amplifier
US-2019379174-A1 · Dec 12, 2019 · US
characterised by the core effective area or mode field radius
characterised by the core effective area or mode field radius · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B6/02004 |
| Official title | {characterised by the core effective area or mode field radius} |
| Display label | characterised by the core effective area or mode field radius |
| Total patents | 162 |
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 | 6 |
| 2016 | 5 |
| 2017 | 15 |
| 2018 | 20 |
| 2019 | 22 |
| 2020 | 14 |
| 2021 | 21 |
| 2022 | 20 |
| 2023 | 17 |
| 2024 | 19 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multi-core optical fiber, optical cable, and optical connector
US-10495811-B2 · Dec 3, 2019 · US
Single-mode large effective area optical fibers with low cutoff wavelength
US-2019361170-A1 · Nov 28, 2019 · US
Adjustable beam characteristics
US-10423015-B2 · Sep 24, 2019 · US
Adjustable beam characteristics
US-2019258091-A1 · Aug 22, 2019 · US
Optical receptacle and optical transceiver
US-2019212501-A1 · Jul 11, 2019 · US
Fiber-Optic Strength Member Components for Use in Outer Strength Member Layers
US-2019170955-A1 · Jun 6, 2019 · US
Fiber optic cable assembly
US-10310192-B2 · Jun 4, 2019 · US
Broad spectrum radiation by supercontinuum generation using a tapered optical fiber
US-2019154910-A1 · May 23, 2019 · US
Adjustable beam characteristics
US-10295845-B2 · May 21, 2019 · US
Low bend loss single mode optical fiber with bromine up-doped cladding
US-10215915-B2 · Feb 26, 2019 · US
Topological insulator tubes applied to signal transmission systems
US-10186351-B1 · Jan 22, 2019 · US
Multi-core optical fiber, optical cable, and optical connector
US-2019018185-A1 · Jan 17, 2019 · US
Optical receptacle and optical transceiver
US-10180546-B2 · Jan 15, 2019 · US
Multi-core optical fiber, optical cable, and optical connector
US-10139559-B2 · Nov 27, 2018 · US
Multimode beam combiner
US-10114172-B2 · Oct 30, 2018 · US
Dynamic aspect ratio rectangular laser beams
US-2018281108-A1 · Oct 4, 2018 · US
Low bend loss optical fiber
US-10082622-B2 · Sep 25, 2018 · US
Mode division multiplexing systems and methods using a rectangular-core optical fiber
US-2018241496-A1 · Aug 23, 2018 · US
Low bend loss single mode optical fiber with chlorine updoped cladding
US-10048438-B2 · Aug 14, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B6/02004?
- CPC G02B6/02004 is the Cooperative Patent Classification code for “characterised by the core effective area or mode field radius.”
- How many patents are filed under CPC G02B6/02004 (characterised by the core effective area or mode field radius)?
- Our database includes 162 publications tagged with this CPC code.
- Is patent activity under CPC G02B6/02004 growing?
- Publication counts under this code: 19 in 2024 vs 3 in 2025 (latest complete years).