Broadband optical isolator or circular polarizer
US-9851591-B2 · Dec 26, 2017 · US
used as non-reciprocal devices, e.g. optical isolators, circulators (G02F1/0955 takes precedence)
used as non-reciprocal devices, e.g. optical isolators, circulators (G02F1/0955 takes precedence) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F1/093 |
| Official title | {used as non-reciprocal devices, e.g. optical isolators, circulators (G02F1/0955 takes precedence)} |
| Display label | used as non-reciprocal devices, e.g. optical isolators, circulators (G02F1/0955 takes precedence) |
| Total patents | 232 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 27 |
| 2017 | 16 |
| 2018 | 19 |
| 2019 | 22 |
| 2020 | 22 |
| 2021 | 16 |
| 2022 | 20 |
| 2023 | 20 |
| 2024 | 23 |
| 2025 | 19 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for performing optical imaging using frequency-domain interferometry
US-9812846-B2 · Nov 7, 2017 · US
Translucent sintered body, a Faraday rotator made of this sintered body, and an optical isolator
US-9778495-B2 · Oct 3, 2017 · US
Broadband Optical Isolator or Circular Polarizer
US-2017242279-A1 · Aug 24, 2017 · US
Time-varying metasurface structure
US-2017235162-A1 · Aug 17, 2017 · US
Method for producing transparent ceramic, transparent ceramic, magneto-optical device and rare earth oxide powder for sintering
US-2017205643-A1 · Jul 20, 2017 · US
Faraday rotator and optical isolator based on this faraday rotator
US-2017192258-A1 · Jul 6, 2017 · US
Monolithic, linear glass polarizer and attenuator
US-2017123240-A1 · May 4, 2017 · US
Systems and methods for photonic polarization rotators
US-2017108649-A1 · Apr 20, 2017 · US
Optical circulators integrated into transceivers
US-9625650-B2 · Apr 18, 2017 · US
Optical material used in light-emitting device, optical isolator, and optical processing apparatus, and manufacturing method thereof
US-9617470-B2 · Apr 11, 2017 · US
Optical rotating device for injecting a laser beam and method for positioning a laser beam
US-9601897-B2 · Mar 21, 2017 · US
All-fiber laser frequency mixer and frequency-mixing fiber laser thereof
US-9588399-B2 · Mar 7, 2017 · US
Monolithic, linear glass polarizer and attenuator
US-9581742-B2 · Feb 28, 2017 · US
Combined splitter, isolator and spot-size converter
US-9563073-B2 · Feb 7, 2017 · US
Optical multiplexer and transmitter optical subassembly
US-9519151-B2 · Dec 13, 2016 · US
Method and apparatus for performing optical imaging using frequency-domain interferometry
US-2016320170-A1 · Nov 3, 2016 · US
Optically coupling waveguides
US-9482818-B2 · Nov 1, 2016 · US
Transparent ceramic, method for manufacturing same, and magneto-optical device
US-9470915-B2 · Oct 18, 2016 · US
Systems and methods for photonic polarization rotators
US-9453965-B2 · Sep 27, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F1/093?
- CPC G02F1/093 is the Cooperative Patent Classification code for “used as non-reciprocal devices, e.g. optical isolators, circulators (G02F1/0955 takes precedence).”
- How many patents are filed under CPC G02F1/093 (used as non-reciprocal devices, e.g. optical isolators, circulators (G02F1/0955 takes precedence))?
- Our database includes 232 publications tagged with this CPC code.
- Is patent activity under CPC G02F1/093 growing?
- Publication counts under this code: 23 in 2024 vs 19 in 2025 (latest complete years).