Integrated semiconductor laser device and semiconductor laser module
US-2016336719-A1 · Nov 17, 2016 · US
Amplifier structures not provided for in groups H01S5/02 - H01S5/30
Amplifier structures not provided for in groups H01S5/02 - H01S5/30 · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S5/50 |
| Official title | Amplifier structures not provided for in groups H01S5/02 - H01S5/30 |
| Display label | Amplifier structures not provided for in groups H01S5/02 - H01S5/30 |
| Total patents | 714 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 38 |
| 2016 | 43 |
| 2017 | 53 |
| 2018 | 56 |
| 2019 | 63 |
| 2020 | 70 |
| 2021 | 76 |
| 2022 | 72 |
| 2023 | 87 |
| 2024 | 78 |
| 2025 | 58 |
| 2026 | 20 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Laser emitting apparatus and master oscillator power amplifier system
US-9496685-B2 · Nov 15, 2016 · US
Dual wavelength laser module with constant output intensity
US-9484708-B2 · Nov 1, 2016 · US
Optical Amplifier Module
US-2016276797-A1 · Sep 22, 2016 · US
Photonic circuit device with on-chip optical gain measurement structures
US-2016252692-A1 · Sep 1, 2016 · US
Chip-scale power scalable ultraviolet optical source
US-2016248225-A1 · Aug 25, 2016 · US
Loss compensated optical switching
US-2016238795-A1 · Aug 18, 2016 · US
Wavelength-tunable light source and wavelength-tunable light source module
US-2016233642-A1 · Aug 11, 2016 · US
Optical device with semiconductor optical amplifier with automatic current supply control
US-2016226219-A1 · Aug 4, 2016 · US
Tunable laser source
US-2016226218-A1 · Aug 4, 2016 · US
Laser module
US-2016204568-A1 · Jul 14, 2016 · US
Method of achieving acceptable performance in and fabrication of a monolithic photonic integrated circuit (PIC) with integrated arrays of laser sources and modulators employing an extended identical active layer (EIAL)
US-9372306-B1 · Jun 21, 2016 · US
Athermal hybrid optical source
US-2016170141-A1 · Jun 16, 2016 · US
Metamaterial-based optical dispersion compensation
US-9360590-B2 · Jun 7, 2016 · US
Semiconductor laser and optical integrated light source including the same
US-2016149379-A1 · May 26, 2016 · US
Optical amplification device
US-2016149378-A1 · May 26, 2016 · US
Method for controlling amplifying unit including variable optical attenuator and semiconductor optical amplifier
US-2016141834-A1 · May 19, 2016 · US
Optical amplification device and optical amplification method
US-9343872-B2 · May 17, 2016 · US
Semiconductor-laser-device assembly
US-2016111857-A1 · Apr 21, 2016 · US
Optical amplifying unit and method to control the same
US-2016079730-A1 · Mar 17, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S5/50?
- CPC H01S5/50 is the Cooperative Patent Classification code for “Amplifier structures not provided for in groups H01S5/02 - H01S5/30.”
- How many patents are filed under CPC H01S5/50 (Amplifier structures not provided for in groups H01S5/02 - H01S5/30)?
- Our database includes 714 publications tagged with this CPC code.
- Is patent activity under CPC H01S5/50 growing?
- Publication counts under this code: 78 in 2024 vs 58 in 2025 (latest complete years).