Optical semiconductor device
US-9508662-B2 · Nov 29, 2016 · US
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01L31/02002 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 338 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 35 |
| 2016 | 43 |
| 2017 | 44 |
| 2018 | 34 |
| 2019 | 28 |
| 2020 | 33 |
| 2021 | 32 |
| 2022 | 38 |
| 2023 | 24 |
| 2024 | 25 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-9508662-B2 · Nov 29, 2016 · US
US-9508772-B2 · Nov 29, 2016 · US
US-9496472-B2 · Nov 15, 2016 · US
US-9478677-B2 · Oct 25, 2016 · US
US-2016293587-A1 · Oct 6, 2016 · US
US-2016293816-A1 · Oct 6, 2016 · US
US-9455286-B2 · Sep 27, 2016 · US
US-9443835-B2 · Sep 13, 2016 · US
US-9425358-B2 · Aug 23, 2016 · US
US-9425175-B2 · Aug 23, 2016 · US
US-9397137-B2 · Jul 19, 2016 · US
US-9397076-B2 · Jul 19, 2016 · US
US-9391385-B2 · Jul 12, 2016 · US
US-2016141279-A1 · May 19, 2016 · US
US-2016141831-A1 · May 19, 2016 · US
US-9324756-B2 · Apr 26, 2016 · US
US-2016111611-A1 · Apr 21, 2016 · US
US-2016111581-A1 · Apr 21, 2016 · US
US-2016104805-A1 · Apr 14, 2016 · US
US-9312296-B2 · Apr 12, 2016 · US
Answers are generated from the same data shown on this page.