Non-reciprocal filter
US-11973490-B2 · Apr 30, 2024 · US
One-way transmission networks, i.e. unilines
One-way transmission networks, i.e. unilines · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03H7/52 |
| Official title | One-way transmission networks, i.e. unilines |
| Display label | One-way transmission networks, i.e. unilines |
| Total patents | 68 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 11 |
| 2019 | 10 |
| 2020 | 11 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Input impedance networks with power recovery
US-11876460-B2 · Jan 16, 2024 · US
Directional coupler
US-11600895-B2 · Mar 7, 2023 · US
Capacitive coupling circuit device provided with capacitive coupling circuit demodulating modulated signal transmitted through coupling capacitor
US-11601162-B2 · Mar 7, 2023 · US
Module with high peak bandwidth i/o channels
US-2022209871-A1 · Jun 30, 2022 · US
Capacitive coupling circuit device provided with capacitive coupling circuit demodulating modulated signal transmitted through coupling capacitor
US-2022190876-A1 · Jun 16, 2022 · US
Directional coupler
US-11309617-B2 · Apr 19, 2022 · US
Module with high peak bandwidth I/O channels
US-11239922-B2 · Feb 1, 2022 · US
Input impedance networks with power recovery
US-2021320594-A1 · Oct 14, 2021 · US
Non-reciprocal filter
US-2021226609-A1 · Jul 22, 2021 · US
Antenna array with wide-band reactance cancellation
US-RE48528-E · Apr 20, 2021 · US
Directional coupler
US-2020365964-A1 · Nov 19, 2020 · US
Directional coupler
US-2020365965-A1 · Nov 19, 2020 · US
Matching device
US-10840874-B2 · Nov 17, 2020 · US
Magnetless non-reciprocal devices using modulated filters
US-10804583-B2 · Oct 13, 2020 · US
Circuit for driving switched transistor and filter, circulator and correlator including the same
US-10742208-B1 · Aug 11, 2020 · US
Microelectromechanical resonant circulator
US-10673407-B2 · Jun 2, 2020 · US
Circulator for use in superconducting quantum technology
US-10665918-B2 · May 26, 2020 · US
Non-reciprocal band pass filter
US-10608613-B1 · Mar 31, 2020 · US
Module with high peak bandwidth i/o channels
US-2020092014-A1 · Mar 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03H7/52?
- CPC H03H7/52 is the Cooperative Patent Classification code for “One-way transmission networks, i.e. unilines.”
- How many patents are filed under CPC H03H7/52 (One-way transmission networks, i.e. unilines)?
- Our database includes 68 publications tagged with this CPC code.
- Is patent activity under CPC H03H7/52 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).