Ultrashort pulse fiber laser employing raman scattering in higher order mode fibers
US-2019386451-A1 · Dec 19, 2019 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S3/0804 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 153 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 13 |
| 2017 | 10 |
| 2018 | 12 |
| 2019 | 16 |
| 2020 | 15 |
| 2021 | 22 |
| 2022 | 16 |
| 2023 | 11 |
| 2024 | 14 |
| 2025 | 13 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Generation of high-power spatially-restructurable spectrally-tunable beams in a multi-arm-cavity VECSEL-based laser system
US-10511145-B2 · Dec 17, 2019 · US
Laser unit
US-10447001-B2 · Oct 15, 2019 · US
Optical fiber and laser device
US-2019310416-A1 · Oct 10, 2019 · US
Fiber laser system with mechanism for inducing parasitic light losses
US-2019312401-A1 · Oct 10, 2019 · US
Generation of high-power spatially-restructurable spectrally-tunable beams in a multi-arm-cavity vecsel-based laser system
US-2019312408-A1 · Oct 10, 2019 · US
Systems and methods for imaging using a random laser
US-10432871-B2 · Oct 1, 2019 · US
Micro-refractive element stabilized resonators, lasers and multiple beam lasing
US-2019252843-A1 · Aug 15, 2019 · US
Optical amplifier
US-2019245317-A1 · Aug 8, 2019 · US
Pre-Welding Analysis and Associated Laser Welding Methods and Fiber Lasers Utilizing Pre-selected Spectral Bandwidths that Avoid the Spectrum of an Electronic Transition of a Metal/Alloy Vapor
US-2019240778-A1 · Aug 8, 2019 · US
Pulsed lasers based on spatiotemporal mode-locking
US-2019207361-A1 · Jul 4, 2019 · US
Cladding-Pumped Hybrid Amplification Structure And Method
US-2019140416-A1 · May 9, 2019 · US
Adjusting an amount of coherence of a light beam
US-10267687-B2 · Apr 23, 2019 · US
Low-speckle light source and imaging devices with micro-refractive element stabilized laser array
US-2019094564-A1 · Mar 28, 2019 · US
Reflector, fiber cavity, and fiber laser
US-2019089112-A1 · Mar 21, 2019 · US
Laser apparatus and laser generation method
US-10224690-B1 · Mar 5, 2019 · US
Speckle-free imaging light source based on random fiber laser using strong-coupling multi-core optical fiber
US-2018341120-A1 · Nov 29, 2018 · US
Dual-frequency vertical-external-cavity surface-emitting laser device for THz generation and method for generating THz
US-10141718-B2 · Nov 27, 2018 · US
Brillouin laser
US-2018331490-A1 · Nov 15, 2018 · US
Fiber Encapsulation Mechanism for Energy Dissipation in a Fiber Amplifying System
US-2018254594-A1 · Sep 6, 2018 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S3/0804?
- CPC H01S3/0804 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01S3/0804 (Electricity)?
- Our database includes 153 publications tagged with this CPC code.
- Is patent activity under CPC H01S3/0804 growing?
- Publication counts under this code: 14 in 2024 vs 13 in 2025 (latest complete years).