Terahertz light source device
US-11876143-B2 · Jan 16, 2024 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01L29/882 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| 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 | 4 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 11 |
| 2020 | 8 |
| 2021 | 3 |
| 2022 | 8 |
| 2023 | 9 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Terahertz oscillator and producing method thereof
US-11863125-B2 · Jan 2, 2024 · US
Terahertz element and semiconductor device
US-2023378640-A1 · Nov 23, 2023 · US
Resonant tunneling diodes and manufacturing methods thereof
US-2023343877-A1 · Oct 26, 2023 · US
Semiconductor device with high-electron mobility transistor
US-2023327008-A1 · Oct 12, 2023 · US
Semiconductor device with field effect transistor
US-2023326921-A1 · Oct 12, 2023 · US
Resonant tunneling diodes and manufacturing methods thereof
US-2023290892-A1 · Sep 14, 2023 · US
Resonant tunneling diode, oscillator and detection system
US-2023246112-A1 · Aug 3, 2023 · US
Terahertz element and semiconductor device
US-11699846-B2 · Jul 11, 2023 · US
Terahertz oscillator and producing method thereof
US-2023057209-A1 · Feb 23, 2023 · US
Terahertz device
US-11569184-B2 · Jan 31, 2023 · US
Oscillator
US-11496095-B2 · Nov 8, 2022 · US
Terahertz device
US-2022238464-A1 · Jul 28, 2022 · US
Gallium nitride cross-gap light emitters based on unipolar-doped tunneling structures
US-11342482-B2 · May 24, 2022 · US
Terahertz device
US-11335653-B2 · May 17, 2022 · US
Terahertz light source device
US-2022140170-A1 · May 5, 2022 · US
Oscillator
US-2022140788-A1 · May 5, 2022 · US
Terahertz element and semiconductor device
US-2022109233-A1 · Apr 7, 2022 · US
Terahertz element and semiconductor device
US-11239547-B2 · Feb 1, 2022 · US
Methods for using remote plasma chemical vapor deposition (RP-CVD) and sputtering deposition to grow layers in light emitting devices
US-11069525-B2 · Jul 20, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L29/882?
- CPC H01L29/882 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L29/882 (Electricity)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC H01L29/882 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).