Optical scanning device that includes waveguides
US-2018372951-A1 · Dec 27, 2018 · US
by controlled diffraction or phased-array beam steering (controlled diffraction for optical waveguide switching G02F1/313)
by controlled diffraction or phased-array beam steering (controlled diffraction for optical waveguide switching G02F1/313) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F1/2955 |
| Official title | {by controlled diffraction or phased-array beam steering (controlled diffraction for optical waveguide switching G02F1/313)} |
| Display label | by controlled diffraction or phased-array beam steering (controlled diffraction for optical waveguide switching G02F1/313) |
| Total patents | 363 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 6 |
| 2017 | 17 |
| 2018 | 29 |
| 2019 | 32 |
| 2020 | 45 |
| 2021 | 50 |
| 2022 | 65 |
| 2023 | 37 |
| 2024 | 43 |
| 2025 | 23 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Nanophotonic radiator using grid structure for application to photonic phased-array antenna
US-2018356705-A1 · Dec 13, 2018 · US
Hybrid beamsteerer for steering a light beam with both sub-aperture and full-aperture beam steering portions
US-10133083-B1 · Nov 20, 2018 · US
Chip scale optical systems
US-2018321569-A1 · Nov 8, 2018 · US
Array of sub-aperture refractive elements for steering a light beam
US-10120261-B2 · Nov 6, 2018 · US
Array of Sub-Aperture Refractive Elements for Steering a Light Beam
US-2018292727-A1 · Oct 11, 2018 · US
Chalcogenide glass waveguides for refractive non-mechanical beam steerer
US-2018292726-A1 · Oct 11, 2018 · US
Systems and methods for dynamic spectral shaping in optical communications
US-2018269964-A1 · Sep 20, 2018 · US
Method for improved optical power stability and predictability in fiber optical networks
US-2018267266-A1 · Sep 20, 2018 · US
Nanophotonic radiators with tunable grating structures for photonic phased array antenna
US-2018246390-A1 · Aug 30, 2018 · US
Holographic waveguide optical tracker
US-2018232048-A1 · Aug 16, 2018 · US
Imaging system
US-2018217258-A1 · Aug 2, 2018 · US
Thermal phase shifters for optical phased arrays
US-2018217472-A1 · Aug 2, 2018 · US
Method and Apparatus for Light Field Generation
US-2018210394-A1 · Jul 26, 2018 · US
Chip-scale two-dimensional optical phased array with simplified controls
US-9989831-B2 · Jun 5, 2018 · US
Beam steering device and system including the same
US-2018136539-A1 · May 17, 2018 · US
Beam steering device and system employing same
US-2018136540-A1 · May 17, 2018 · US
Apparatus for eye tracking
US-2018113303-A1 · Apr 26, 2018 · US
Self-aligning travelling collimating lens for sweeping laser
US-2018107007-A1 · Apr 19, 2018 · US
Large scale optical phased array
US-2018107091-A1 · Apr 19, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F1/2955?
- CPC G02F1/2955 is the Cooperative Patent Classification code for “by controlled diffraction or phased-array beam steering (controlled diffraction for optical waveguide switching G02F1/313).”
- How many patents are filed under CPC G02F1/2955 (by controlled diffraction or phased-array beam steering (controlled diffraction for optical waveguide switching G02F1/313))?
- Our database includes 363 publications tagged with this CPC code.
- Is patent activity under CPC G02F1/2955 growing?
- Publication counts under this code: 43 in 2024 vs 23 in 2025 (latest complete years).