Quantum cascade laser system with angled active region
US-2020395736-A1 · Dec 17, 2020 · US
Lateral grating, i.e. grating only adjacent ridge or mesa
Lateral grating, i.e. grating only adjacent ridge or mesa · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S5/1237 |
| Official title | {Lateral grating, i.e. grating only adjacent ridge or mesa} |
| Display label | Lateral grating, i.e. grating only adjacent ridge or mesa |
| Total patents | 110 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 9 |
| 2017 | 10 |
| 2018 | 17 |
| 2019 | 12 |
| 2020 | 8 |
| 2021 | 11 |
| 2022 | 11 |
| 2023 | 9 |
| 2024 | 4 |
| 2025 | 12 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for making quantum cascade laser with angled active region
US-10790637-B2 · Sep 29, 2020 · US
Distributed feedback semiconductor laser
US-10714897-B2 · Jul 14, 2020 · US
Distributed feedback semiconductor laser device
US-2020203925-A1 · Jun 25, 2020 · US
Unipolar light devices integrated with foreign substrates and methods of fabrication
US-2020185885-A1 · Jun 11, 2020 · US
Distributed feedback laser diode
US-10658816-B2 · May 19, 2020 · US
Light source and method for controlling the same
US-10615575-B2 · Apr 7, 2020 · US
Laser device and process for fabricating such a laser device
US-10511147-B2 · Dec 17, 2019 · US
Photonic device comprising a laser optically connected to a silicon wave guide and method of fabricating such a photonic device
US-10483716-B2 · Nov 19, 2019 · US
Quantum cascade laser
US-10476237-B2 · Nov 12, 2019 · US
Quantum cascade laser
US-10404038-B2 · Sep 3, 2019 · US
Grating element
US-10393931-B2 · Aug 27, 2019 · US
Method for making quantum cascade laser with angled active region
US-2019260181-A1 · Aug 22, 2019 · US
Grating structure for surface-emitting laser
US-2019252857-A1 · Aug 15, 2019 · US
Edge emitting laser light source and 3D image obtaining apparatus including the same
US-10367332-B2 · Jul 30, 2019 · US
Quantum cascade laser with angled active region and related methods
US-10355449-B2 · Jul 16, 2019 · US
Distributed feedback laser diode
US-2019165545-A1 · May 30, 2019 · US
Guided light source for emission of single photons
US-10295742-B2 · May 21, 2019 · US
Distributed feedback semiconductor laser
US-2019081454-A1 · Mar 14, 2019 · US
Quantum cascade laser
US-2018375294-A1 · Dec 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S5/1237?
- CPC H01S5/1237 is the Cooperative Patent Classification code for “Lateral grating, i.e. grating only adjacent ridge or mesa.”
- How many patents are filed under CPC H01S5/1237 (Lateral grating, i.e. grating only adjacent ridge or mesa)?
- Our database includes 110 publications tagged with this CPC code.
- Is patent activity under CPC H01S5/1237 growing?
- Publication counts under this code: 4 in 2024 vs 12 in 2025 (latest complete years).