H03H 9/706
Duplexers
Official title: {Duplexers}
H03H9/706 (Duplexers) appears on 518 US grants and 610 published applications in this corpus.
Search patents in H03H- Granted patents
- 518
- Published applications
- 610
- Assignees
- 81
- Inventors
- 540
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 1 | 3 |
| 2004 | 1 | 8 |
| 2005 | 10 | 16 |
| 2006 | 8 | 13 |
| 2007 | 8 | 19 |
| 2008 | 8 | 14 |
| 2009 | 12 | 8 |
| 2010 | 12 | 15 |
| 2011 | 11 | 15 |
| 2012 | 14 | 25 |
| 2013 | 7 | 22 |
| 2014 | 13 | 19 |
| 2015 | 32 | 24 |
| 2016 | 25 | 23 |
| 2017 | 29 | 38 |
| 2018 | 28 | 39 |
| 2019 | 40 | 47 |
| 2020 | 42 | 62 |
| 2021 | 41 | 50 |
| 2022 | 34 | 38 |
| 2023 | 35 | 44 |
| 2024 | 44 | 27 |
| 2025 | 39 | 16 |
| 2026 | 19 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-shielded acoustic wave device package4 Aug 2026US 12,700,848 B2Skyworks Solutions, Inc.
- Acoustic wave filter with second harmonic emission suppression14 Jul 2026US 12,683,583 B2
- Differential duplexer systems with phase shifters30 Jun 2026US 12,671,445 B2Apple Inc.
- Bulk acoustic wave filter for second harmonic residue reduction23 Jun 2026US 12,665,570 B2
- Ladder-type filter, and duplexer and modules with ladder-type filter16 Jun 2026US 12,658,890 B2Sanan Japan Technology Corporation
- Bulk acoustic wave filter for second harmonic residue reduction8 Oct 2026US 2026/0312566 A1Skyworks Solutions, Inc.
- Multiplexer with hybrid acoustic passive filter13 Aug 2026US 2026/0238178 A1Skyworks Solutions, Inc.
- Acoustic wave filter device and method of manufacturing acoustic wave filter device23 Jul 2026US 2026/0213730 A1Murata Manufacturing Co., Ltd.
- Power rugged filter module23 Jul 2026US 2026/0213775 A1Skyworks Solutions, Inc.
- Bandpass Filter, Multiplexer and Duplexer9 Jul 2026US 2026/0196979 A1Sanan Japan Technology Corporation
Most cited
By later US patents
- Duplexer incorporating thin-film bulk acoustic resonators (FBARs)338US 6,262,637 B1Agilent Technologies, Inc. · 2001
- Controlled effective coupling coefficients for film bulk acoustic resonators214US 6,472,954 B1Agilent Technologies, Inc. · 2002
- Filters and duplexers utilizing thin film stacked crystal filter structures and thin film bulk acoustic wave resonators203US 5,910,756 ANokia Mobile Phones Ltd. · 1999
- Bulk acoustic wave resonator with two piezoelectric layers as balun in filters and duplexers180US 6,670,866 B2Nokia Corporation · 2003
- Duplexer174US 7,941,103 B2Taiyo Yuden Co., Ltd. · 2011