Differential frequency generation
US-2024243541-A1 · Jul 18, 2024 · US
Parametric amplification
Parametric amplification · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F1/392 |
| Official title | {Parametric amplification} |
| Display label | Parametric amplification |
| Total patents | 217 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 23 |
| 2016 | 15 |
| 2017 | 15 |
| 2018 | 11 |
| 2019 | 14 |
| 2020 | 21 |
| 2021 | 17 |
| 2022 | 28 |
| 2023 | 21 |
| 2024 | 26 |
| 2025 | 17 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical parametric ultrashort pulse amplifier
US-10133150-B2 · Nov 20, 2018 · US
Method and apparatus for generating THz radiation
US-10095083-B2 · Oct 9, 2018 · US
Method and system for parametric amplification
US-10061181-B2 · Aug 28, 2018 · US
Optical amplifier, optical amplification system, wavelength converter, and optical communication system
US-2018231870-A1 · Aug 16, 2018 · US
Periodically poled crystal and optical parametric amplifier
US-2018231869-A1 · Aug 16, 2018 · US
Optical parametric ultrashort pulse amplifier
US-2018046060-A1 · Feb 15, 2018 · US
Multi-wavelength, ultrashort pulse generation and delivery, with applications in microscopy
US-9825419-B2 · Nov 21, 2017 · US
Parametric mixer having tunable gain bands and method for tuning the same
US-9778543-B1 · Oct 3, 2017 · US
Heteroepitaxial growth of orientation-patterned materials on orientation-patterned foreign substrates
US-9777402-B2 · Oct 3, 2017 · US
Optical signal-processing apparatus, receiving apparatus, and optical network system
US-2017264370-A1 · Sep 14, 2017 · US
Off-axis zigzag parametric oscillator
US-9742145-B1 · Aug 22, 2017 · US
Terahertz wave generation apparatus
US-2017219911-A1 · Aug 3, 2017 · US
Noncollinear achromatic phase matching based optical parametric chirped-pulse amplifier with insensitivity to temperature and wavelength
US-9711931-B1 · Jul 18, 2017 · US
Heteroepitaxial Growth of Orientation-Patterned Materials on Orientation-Patterned Foreign Substrates
US-2017183793-A1 · Jun 29, 2017 · US
Optical signal-processing apparatus, receiving apparatus, and optical network system
US-9692520-B2 · Jun 27, 2017 · US
High efficiency fiber optical parametric oscillator
US-9684223-B2 · Jun 20, 2017 · US
Quasi-parametric chirped-pulse amplifier
US-2017133812-A1 · May 11, 2017 · US
Heteroepitaxial growth of orientation-patterned materials on orientation-patterned foreign substrates
US-9647156-B1 · May 9, 2017 · US
Quasi-parametric chirped-pulse amplifier
US-9647407-B1 · May 9, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F1/392?
- CPC G02F1/392 is the Cooperative Patent Classification code for “Parametric amplification.”
- How many patents are filed under CPC G02F1/392 (Parametric amplification)?
- Our database includes 217 publications tagged with this CPC code.
- Is patent activity under CPC G02F1/392 growing?
- Publication counts under this code: 26 in 2024 vs 17 in 2025 (latest complete years).