Semiconductor device, semiconductor laser, and method of producing a semiconductor device
US-11876349-B2 · Jan 16, 2024 · US
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with an active layer having a graded composition in the growth direction
with an active layer having a graded composition in the growth direction · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S5/3205 |
| Official title | {with an active layer having a graded composition in the growth direction} |
| Display label | with an active layer having a graded composition in the growth direction |
| Total patents | 10 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 2 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Semiconductor device, semiconductor laser, and method of producing a semiconductor device
US-2021376571-A1 · Dec 2, 2021 · US
Semiconductor device, semiconductor laser, and method of producing a semiconductor device
US-11121524-B2 · Sep 14, 2021 · US
Semiconductor chip and method for producing a semiconductor chip
US-10693033-B2 · Jun 23, 2020 · US
Semiconductor device, semiconductor laser, and method of producing a semiconductor device
US-2019393679-A1 · Dec 26, 2019 · US
Semiconductor chip and method for producing a semiconductor chip
US-2019319162-A1 · Oct 17, 2019 · US
Semiconductor chip and method for producing a semiconductor chip
US-10388823-B2 · Aug 20, 2019 · US
Semiconductor chip and method for producing a semiconductor chip
US-2017330996-A1 · Nov 16, 2017 · US
Quantum efficiency of multiple quantum wells
US-9583671-B2 · Feb 28, 2017 · US
Quantum efficiency of multiple quantum wells
US-2015171265-A1 · Jun 18, 2015 · US