Device emitting or detecting terahertz waves, and manufacturing method for device
US-12237811-B2 · Feb 25, 2025 · US
using solid state devices, e.g. Gunn-effect devices · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03B9/12 |
| Official title | using solid state devices, e.g. Gunn-effect devices |
| Display label | using solid state devices, e.g. Gunn-effect devices |
| Total patents | 17 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 2 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12237811-B2 · Feb 25, 2025 · US
US-2023208359-A1 · Jun 29, 2023 · US
US-11626839-B2 · Apr 11, 2023 · US
US-2021091722-A1 · Mar 25, 2021 · US
US-10594260-B2 · Mar 17, 2020 · US
US-2020013769-A1 · Jan 9, 2020 · US
US-10277167-B2 · Apr 30, 2019 · US
US-2019097594-A1 · Mar 28, 2019 · US
US-10171053-B2 · Jan 1, 2019 · US
US-2018269835-A1 · Sep 20, 2018 · US
US-9998074-B2 · Jun 12, 2018 · US
US-2017324388-A1 · Nov 9, 2017 · US
US-2016380591-A1 · Dec 29, 2016 · US
US-2016373061-A1 · Dec 22, 2016 · US
US-9385321-B1 · Jul 5, 2016 · US
US-2016181523-A1 · Jun 23, 2016 · US
US-8957737-B2 · Feb 17, 2015 · US