Pin reconfigurable baw filters
US-12587172-B2 · Mar 24, 2026 · US
Multiple-port networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source (networks for phase shifting H03H9/66)
Multiple-port networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source (networks for phase shifting H03H9/66) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03H9/74 |
| Official title | Multiple-port networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source (networks for phase shifting H03H9/66) |
| Display label | Multiple-port networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source (networks for phase shifting H03H9/66) |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-power acoustic wave filter package capable of self-heat dissipation
US-2025323619-A1 · Oct 16, 2025 · US
Bulk acoustic wave filters for improving noise factor
US-12334908-B2 · Jun 17, 2025 · US
Filter device comprising two connected filter circuits
US-12237825-B2 · Feb 25, 2025 · US
Pin reconfigurable baw filters
US-2024313743-A1 · Sep 19, 2024 · US
Bulk acoustic wave filters for improving noise factor
US-2023188115-A1 · Jun 15, 2023 · US
Acoustic wave device, acoustic wave device package, radio-frequency front-end circuit, and communication device
US-11671071-B2 · Jun 6, 2023 · US
Acoustic wave device, high frequency front end circuit, and communication apparatus
US-11611324-B2 · Mar 21, 2023 · US
Acoustic wave device, acoustic wave device package, radio-frequency front-end circuit, and communication device
US-2023019446-A1 · Jan 19, 2023 · US
Multiplexer and communication apparatus
US-11528010-B2 · Dec 13, 2022 · US
Modular circuit board multi-tap
US-11522304-B2 · Dec 6, 2022 · US
Acoustic wave device, acoustic wave device package, radio-frequency front-end circuit, and communication device
US-11476828-B2 · Oct 18, 2022 · US
Acoustic wave device, high frequency front end circuit, and communication apparatus
US-11463068-B2 · Oct 4, 2022 · US
Filter device comprising two connected filter circuits
US-2022255529-A1 · Aug 11, 2022 · US
Frequency independence for synthesis within programmable non-reciprocal network circuit
US-11139851-B2 · Oct 5, 2021 · US
Frequency independence for synthesis within programmable non-reciprocal network circuit
US-2021111747-A1 · Apr 15, 2021 · US
Frequency independence for synthesis within programmable non-reciprocal network circuit
US-10868576-B2 · Dec 15, 2020 · US
Modular circuit board multi-tap
US-2020350710-A1 · Nov 5, 2020 · US
Modular circuit board multi-tap
US-10784597-B2 · Sep 22, 2020 · US
Multiplexer and communication apparatus
US-2020252053-A1 · Aug 6, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03H9/74?
- CPC H03H9/74 is the Cooperative Patent Classification code for “Multiple-port networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source (networks for phase shifting H03H9/66).”
- How many patents are filed under CPC H03H9/74 (Multiple-port networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source (networks for phase shifting H03H9/66))?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC H03H9/74 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).