Radio frequency module and communication apparatus
US-2024421845-A1 · Dec 19, 2024 · US
Networks using surface acoustic waves
Networks using surface acoustic waves · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03H9/72 |
| Official title | Networks using surface acoustic waves |
| Display label | Networks using surface acoustic waves |
| Total patents | 682 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 24 |
| 2018 | 47 |
| 2019 | 107 |
| 2020 | 119 |
| 2021 | 94 |
| 2022 | 84 |
| 2023 | 72 |
| 2024 | 59 |
| 2025 | 51 |
| 2026 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Elastic wave device, filter, splitter, and communication device
US-2024339986-A1 · Oct 10, 2024 · US
Elastic wave apparatus
US-2018375495-A1 · Dec 27, 2018 · US
Filter device
US-10158341-B2 · Dec 18, 2018 · US
Radio frequency front-end circuit and communication device
US-2018343000-A1 · Nov 29, 2018 · US
Multiplexer, transmission apparatus, and reception apparatus
US-10141913-B2 · Nov 27, 2018 · US
Method for manufacturing acoustic wave device
US-10109785-B2 · Oct 23, 2018 · US
Acoustic wave element, multi plexer, and communication module
US-2018269854-A1 · Sep 20, 2018 · US
Elastic wave resonator, elastic wave filter, duplexer, and elastic wave device
US-10062830-B2 · Aug 28, 2018 · US
Elastic wave filter device
US-10056879-B2 · Aug 21, 2018 · US
Multiplexer, transmission apparatus, and reception apparatus
US-2018234079-A1 · Aug 16, 2018 · US
Filter circuit, multiplexer, and module
US-2018226952-A1 · Aug 9, 2018 · US
Radio frequency filter, high selectivity triplexer, and communications device
US-10038424-B2 · Jul 31, 2018 · US
Apparatus and method for selecting frequency band
US-2018198438-A1 · Jul 12, 2018 · US
Hybrid passive-on-glass (pog) acoustic filter
US-2018167054-A1 · Jun 14, 2018 · US
Electronic component
US-2018159499-A1 · Jun 7, 2018 · US
Elastic wave device, high-frequency front-end circuit, and communication device
US-2018152170-A1 · May 31, 2018 · US
Multiplexer, radio frequency front-end circuit, communication device, and multiplexer design method
US-9979379-B2 · May 22, 2018 · US
Multiplexer, high-frequency front end circuit, and communication apparatus
US-2018123556-A1 · May 3, 2018 · US
Multiplexer, transmission device, reception device, high-frequency front end circuit, communication device and impedance matching method for multiplexer
US-2018109243-A1 · Apr 19, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03H9/72?
- CPC H03H9/72 is the Cooperative Patent Classification code for “Networks using surface acoustic waves.”
- How many patents are filed under CPC H03H9/72 (Networks using surface acoustic waves)?
- Our database includes 682 publications tagged with this CPC code.
- Is patent activity under CPC H03H9/72 growing?
- Publication counts under this code: 59 in 2024 vs 51 in 2025 (latest complete years).