H03H 9/0004
Impedance-matching networks
Official title: {Impedance-matching networks (H03H9/145 takes precedence)}
H03H9/0004 (Impedance-matching networks) appears on 203 US grants and 225 published applications in this corpus.
Search patents in H03H- Granted patents
- 203
- Published applications
- 225
- Assignees
- 62
- Inventors
- 298
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 2 | 2 |
| 2010 | 2 | 0 |
| 2011 | 0 | 5 |
| 2012 | 2 | 2 |
| 2013 | 5 | 3 |
| 2014 | 1 | 3 |
| 2015 | 4 | 7 |
| 2016 | 5 | 21 |
| 2017 | 14 | 19 |
| 2018 | 18 | 19 |
| 2019 | 29 | 42 |
| 2020 | 19 | 19 |
| 2021 | 29 | 17 |
| 2022 | 13 | 16 |
| 2023 | 18 | 14 |
| 2024 | 18 | 7 |
| 2025 | 17 | 18 |
| 2026 | 5 | 7 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hybrid structure for a surface acoustic wave device6 Oct 2026US 12,757,634 B2Soitec
- Liquid fluid systems for turbine engines1 Sep 2026US 12,723,521 B2General Electric Company
- Vestigial loads for acoustic resonators21 Jul 2026US 12,689,348 B2Avago Technologies International Sales Pte. Limited
- Acoustic wave filter and radio frequency module21 Jul 2026US 12,689,349 B2Murata Manufacturing Co., Ltd.
- Liquid fluid systems including phase detection sensors for turbine engines10 Mar 2026US 12,571,327 B2General Electric Company
- Liquid fluid systems for turbine engines28 May 2026US 2026/0146545 A1General Electric Company
- Mixed radio frequency filter with capacitors and resonators14 May 2026US 2026/0135542 A1RichWave Technology Corp.
- Radio Frequency Filter With Resonators14 May 2026US 2026/0135543 A1RichWave Technology Corp.
- Reconfigurable filters in a multiplexer5 Mar 2026US 2026/0066876 A1Avago Technologies International Sales Pte. Limited
- 5.5 ghz wi-fi 5g coexistence acoustic wave resonator rf filter circuit26 Feb 2026US 2026/0058640 A1Akoustis Technologies Corp.
Most cited
By later US patents
- Guided wave devices with embedded electrodes and non-embedded electrodes171US 10,211,806 B2Qorvo US, Inc. · 2019
- Smart blade and power pulsing49US 11,337,746 B2Cilag GmbH International · 2022
- Coupled FBAR filter37US 7,414,495 B2Matsushita Electric Industrial Co., Ltd. · 2008
- Tunable compensation circuit for filter circuitry using acoustic resonators28US 9,847,769 B2Qorvo US, Inc. · 2017
- Multiplexer including filter with two types of acoustic wave resonators26US 11,101,787 B2Skyworks Solutions, Inc. · 2021