Precision Ferrite-Based Electromagnetic Signal Circulators for Quantum Computing Systems
US-2026073266-A1 · Mar 12, 2026 · US
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using Faraday rotators
using Faraday rotators · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01P1/393 |
| Official title | using Faraday rotators |
| Display label | using Faraday rotators |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Corona prevention in high power circulators
US-11961635-B2 · Apr 16, 2024 · US
Corona prevention in high power circulators
US-2023223173-A1 · Jul 13, 2023 · US
Non-reciprocal circuit element and communication apparatus having the same
US-2023139241-A1 · May 4, 2023 · US
Non-reciprocal circuit element and communication apparatus having the same
US-2023140741-A1 · May 4, 2023 · US
Corona prevention in high power circulators
US-11610704-B2 · Mar 21, 2023 · US
Non-reciprocal circuit element
US-11283146-B2 · Mar 22, 2022 · US
Nonreciprocal circuit element and communication apparatus using the same
US-10964994-B2 · Mar 30, 2021 · US
Non-reciprocal circuit element
US-2021091444-A1 · Mar 25, 2021 · US
Corona prevention in high power circulators
US-2020203044-A1 · Jun 25, 2020 · US
Nonreciprocal circuit element and communication apparatus using the same
US-2019386369-A1 · Dec 19, 2019 · US