Semiconductor laser device
US-2025357730-A1 · Nov 20, 2025 · US
with window regions made by diffusion or disordening of the active layer
with window regions made by diffusion or disordening of the active layer · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S5/162 |
| Official title | {with window regions made by diffusion or disordening of the active layer} |
| Display label | with window regions made by diffusion or disordening of the active layer |
| Total patents | 62 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 9 |
| 2022 | 9 |
| 2023 | 8 |
| 2024 | 7 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Laser architectures using quantum well intermixing techniques
US-12300974-B2 · May 13, 2025 · US
Semiconductor laser element, testing method, and testing device
US-12107393-B2 · Oct 1, 2024 · US
Method for producing an optoelectronic semiconductor component and optoelectronic semiconductor component
US-2024234626-A9 · Jul 11, 2024 · US
Method for producing an optoelectronic semiconductor chip and optoelectronic semiconductor chip
US-2024162211-A1 · May 16, 2024 · US
Method for producing an optoelectronic semiconductor component and optoelectronic semiconductor component
US-2024136468-A1 · Apr 25, 2024 · US
Laser Architectures Using Quantum Well Intermixing Techniques
US-2024113508-A1 · Apr 4, 2024 · US
Semiconductor laser element, testing method, and testing device
US-2024055830-A1 · Feb 15, 2024 · US
Semiconductor laser device and method for manufacturing semiconductor laser device
US-2024006849-A1 · Jan 4, 2024 · US
Manufacturing method of semiconductor device
US-2023402822-A1 · Dec 14, 2023 · US
Semiconductor laser element
US-2023387662-A1 · Nov 30, 2023 · US
Semiconductor laser element, testing method, and testing device
US-11824326-B2 · Nov 21, 2023 · US
Semiconductor laser
US-11777277-B2 · Oct 3, 2023 · US
Laser architectures using quantum well intermixing techniques
US-11777279-B2 · Oct 3, 2023 · US
Semiconductor laser and semiconductor laser device
US-2023261438-A1 · Aug 17, 2023 · US
Semiconductor laser element
US-11710941-B2 · Jul 25, 2023 · US
Semiconductor laser device and method of manufacturing the same
US-2023021325-A1 · Jan 26, 2023 · US
Semiconductor light-emitting element and method of manufacturing the same
US-2022285918-A1 · Sep 8, 2022 · US
Semiconductor laser device, semiconductor laser module, and welding laser light source system
US-11437780-B2 · Sep 6, 2022 · US
Grating coupled laser for Si photonics
US-11435522-B2 · Sep 6, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S5/162?
- CPC H01S5/162 is the Cooperative Patent Classification code for “with window regions made by diffusion or disordening of the active layer.”
- How many patents are filed under CPC H01S5/162 (with window regions made by diffusion or disordening of the active layer)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC H01S5/162 growing?
- Publication counts under this code: 7 in 2024 vs 3 in 2025 (latest complete years).