Optical waveguide device, and optical modulation device and optical transmission device using same
US-11402594-B2 · Aug 2, 2022 · US
Optical features
Optical features · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B6/4209 |
| Official title | {Optical features} |
| Display label | Optical features |
| Total patents | 73 |
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 | 1 |
| 2016 | 6 |
| 2017 | 7 |
| 2018 | 10 |
| 2019 | 12 |
| 2020 | 7 |
| 2021 | 10 |
| 2022 | 9 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical module
US-11294128-B2 · Apr 5, 2022 · US
Nonreciprocal optical transmission device and optical apparatus including the same
US-11262606-B2 · Mar 1, 2022 · US
Light isolator member and light isolator
US-11256116-B2 · Feb 22, 2022 · US
Optical module
US-2022050248-A1 · Feb 17, 2022 · US
Chip-scale coherent lidar with integrated high power laser diode
US-11226403-B2 · Jan 18, 2022 · US
Optical module and method of producing the same
US-2022011528-A1 · Jan 13, 2022 · US
Optical waveguide device, and optical modulation device and optical transmission device using same
US-2021302679-A1 · Sep 30, 2021 · US
Laser diode optical frequency modulation linearization algorithm
US-11092671-B2 · Aug 17, 2021 · US
Heterogeneously integrated chip-scale lidar system
US-11067670-B2 · Jul 20, 2021 · US
Reconfigurable integrated-optics-based non-reciprocal devices
US-11016317-B2 · May 25, 2021 · US
Optical module
US-2021149131-A1 · May 20, 2021 · US
Chip-scale LIDAR with a single 2D MEMS scanner
US-11002832-B2 · May 11, 2021 · US
Heterogeneous integration of curved mirror structure for passive alignment in chip-scale lidar
US-10976414-B2 · Apr 13, 2021 · US
Light isolator member and light isolator
US-2021041728-A1 · Feb 11, 2021 · US
Calibration and alignment of coherent lidar system
US-10914821-B2 · Feb 9, 2021 · US
Dual-laser chip-scale lidar for simultaneous range-doppler sensing
US-10914822-B2 · Feb 9, 2021 · US
Nonreciprocal optical transmission device and optical apparatus including the same
US-2020257142-A1 · Aug 13, 2020 · US
Bi-directional optical sub-assembly and optical module
US-2020174204-A1 · Jun 4, 2020 · US
Nonreciprocal optical transmission device and optical apparatus including the same
US-10670891-B2 · Jun 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B6/4209?
- CPC G02B6/4209 is the Cooperative Patent Classification code for “Optical features.”
- How many patents are filed under CPC G02B6/4209 (Optical features)?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC G02B6/4209 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).