Optical modulation device and phase modulation method using the same
US-2022382117-A1 · Dec 1, 2022 · US
using semi-conducting materials
using semi-conducting materials · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F1/218 |
| Official title | {using semi-conducting materials} |
| Display label | using semi-conducting materials |
| Total patents | 83 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 10 |
| 2017 | 11 |
| 2018 | 2 |
| 2019 | 11 |
| 2020 | 7 |
| 2021 | 9 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for optical full-field transmission using photonic integration
US-2022337320-A1 · Oct 20, 2022 · US
Systems and methods for optical full-field transmission using photonic integration
US-11418263-B2 · Aug 16, 2022 · US
Multilayer thin-film structure and phase shifting device using the same
US-2021405498-A1 · Dec 30, 2021 · US
Traveling waveguide in mach-zehnder modulator to facilitate phase match and impedance match
US-2021373410-A1 · Dec 2, 2021 · US
Multilayer thin-film structure and phase shifting device using the same
US-11137661-B2 · Oct 5, 2021 · US
Distributed CMOS driver with enhanced drive voltage for silicon optical push-pull Mach-Zehnder modulators
US-11112623-B1 · Sep 7, 2021 · US
Mach-Zehnder Modulator
US-2021157209-A1 · May 27, 2021 · US
Semiconductor Device
US-2021157210-A1 · May 27, 2021 · US
Multi-order, tunable Fabry-Perot etalon filter with wavelength down-selector
US-10955721-B1 · Mar 23, 2021 · US
Optical modulator, and optical transceiver module using the same
US-10955723-B2 · Mar 23, 2021 · US
Phosphor screen for MEMS image intensifiers
US-10923244-B2 · Feb 16, 2021 · US
Optical fiber array and optical measurement device
US-10830956-B2 · Nov 10, 2020 · US
Systems and methods for optical full-field transmission using photonic integration
US-2020336211-A1 · Oct 22, 2020 · US
Integrated planar optical phased array
US-10634845-B2 · Apr 28, 2020 · US
Luminous display substrate, display panel and method of controlling the same, and display apparatus
US-10613408-B2 · Apr 7, 2020 · US
Multilayer thin-film structure and phase shifting device using the same
US-2020096833-A1 · Mar 26, 2020 · US
Optical fiber array and optical measurement device
US-2020073057-A1 · Mar 5, 2020 · US
Semiconductor light-emitting device
US-10541510-B2 · Jan 21, 2020 · US
Distributed CMOS driver with enhanced drive voltage for silicon optical push-pull Mach-Zehnder modulators
US-10488682-B2 · Nov 26, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F1/218?
- CPC G02F1/218 is the Cooperative Patent Classification code for “using semi-conducting materials.”
- How many patents are filed under CPC G02F1/218 (using semi-conducting materials)?
- Our database includes 83 publications tagged with this CPC code.
- Is patent activity under CPC G02F1/218 growing?
- Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).