Vertical-cavity surface-emitting laser with dense epi-side contacts
US-2020321754-A1 · Oct 8, 2020 · US
Semi-insulating substrates
Semi-insulating substrates · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S5/0208 |
| Official title | {Semi-insulating substrates} |
| Display label | Semi-insulating substrates |
| Total patents | 146 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 14 |
| 2017 | 13 |
| 2018 | 6 |
| 2019 | 10 |
| 2020 | 21 |
| 2021 | 16 |
| 2022 | 16 |
| 2023 | 11 |
| 2024 | 6 |
| 2025 | 15 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical semiconductor element and method of manufacturing optical semiconductor element
US-2019326466-A1 · Oct 24, 2019 · US
Method for fabricating an elctro-absorption modulated laser and electro-absorption modulated laser
US-2019326729-A1 · Oct 24, 2019 · US
Electrically isolating adjacent vertical-emitting devices
US-2019181609-A1 · Jun 13, 2019 · US
Optical semiconductor device, optical subassembly, and optical module
US-10312665-B2 · Jun 4, 2019 · US
Semiconductor optical apparatus
US-10302861-B2 · May 28, 2019 · US
Method for fabricating semiconductor optical device
US-2019067899-A1 · Feb 28, 2019 · US
Surface-emitting laser
US-2019052059-A1 · Feb 14, 2019 · US
Laser bars having trenches
US-2019052062-A1 · Feb 14, 2019 · US
Electrically isolating adjacent vertical-emitting devices
US-10199794-B1 · Feb 5, 2019 · US
Fluid analyzer
US-2019011361-A1 · Jan 10, 2019 · US
Optical semiconductor device, optical subassembly, and optical module
US-2018366909-A1 · Dec 20, 2018 · US
Multi-wavelength semiconductor lasers
US-2018261978-A1 · Sep 13, 2018 · US
Monolithical widely tunable quantum cascade laser devices
US-9917418-B2 · Mar 13, 2018 · US
III-V photonic integration on silicon
US-9910220-B2 · Mar 6, 2018 · US
Semiconductor optical apparatus
US-2018031764-A1 · Feb 1, 2018 · US
Vertical cavity surface emitting laser array and method for manufacturing the same
US-9865994-B2 · Jan 9, 2018 · US
Laser diodes with layer of graphene
US-2017331249-A1 · Nov 16, 2017 · US
Semiconductor optical device, arrayed semiconductor optical device, and optical module
US-9778428-B2 · Oct 3, 2017 · US
Terahertz quantum cascade laser implementing a {hacek over (C)}erenkov difference-frequency generation scheme
US-9711948-B2 · Jul 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S5/0208?
- CPC H01S5/0208 is the Cooperative Patent Classification code for “Semi-insulating substrates.”
- How many patents are filed under CPC H01S5/0208 (Semi-insulating substrates)?
- Our database includes 146 publications tagged with this CPC code.
- Is patent activity under CPC H01S5/0208 growing?
- Publication counts under this code: 6 in 2024 vs 15 in 2025 (latest complete years).