Millimeter wave quantum sensor device
US-2026024912-A1 · Jan 22, 2026 · US
using an ionized gas
using an ionized gas · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01Q1/366 |
| Official title | {using an ionized gas} |
| Display label | using an ionized gas |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Millimeter wave quantum sensor device
US-12431615-B2 · Sep 30, 2025 · US
Synchronous plasma arc radiating circuit (sparc)
US-2025275048-A1 · Aug 28, 2025 · US
Millimeter wave quantum sensor device
US-2025141098-A1 · May 1, 2025 · US
Antenna extended with a laser induced plasma
US-11942679-B2 · Mar 26, 2024 · US
Antenna Extended with a Laser Induced Plasma
US-2024072422-A1 · Feb 29, 2024 · US
Plasmonic metamaterial structure
US-11898905-B2 · Feb 13, 2024 · US
Plasmonic metamaterial structure
US-2023074749-A1 · Mar 9, 2023 · US
Plasma radome with flexible density control
US-11289804-B2 · Mar 29, 2022 · US
Quantum atomic receiving antenna and quantum sensing of radiofrequency radiation
US-11165505-B2 · Nov 2, 2021 · US
Radio-frequency antenna and plasma processing device
US-2021327683-A1 · Oct 21, 2021 · US
Quantum atomic receiving antenna and quantum sensing of radiofrequency radiation
US-2021250101-A1 · Aug 12, 2021 · US
Wideband laser-induced plasma filament antenna with modulated conductivity
US-11024950-B2 · Jun 1, 2021 · US
Plasma radome with flexible density control
US-2020365982-A1 · Nov 19, 2020 · US
Antenna and plasma processing apparatus
US-10825658-B2 · Nov 3, 2020 · US
Plasma radome with flexible density control
US-10770785-B2 · Sep 8, 2020 · US
Waveguide antenna for microwave enhanced combustion
US-10677456-B2 · Jun 9, 2020 · US
Electrically short antennas with enhanced radiation resistance
US-10601125-B2 · Mar 24, 2020 · US
Antenna device and array antenna device
US-10530046-B2 · Jan 7, 2020 · US
Waveguide antenna for microwave enhanced combustion
US-2019203931-A1 · Jul 4, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01Q1/366?
- CPC H01Q1/366 is the Cooperative Patent Classification code for “using an ionized gas.”
- How many patents are filed under CPC H01Q1/366 (using an ionized gas)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC H01Q1/366 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).