H03H 9/644
Having two acoustic tracks
Official title: {having two acoustic tracks}
H03H9/644 (Having two acoustic tracks) appears on 326 US grants and 254 published applications in this corpus.
Search patents in H03H- Granted patents
- 326
- Published applications
- 254
- Assignees
- 81
- Inventors
- 419
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 11 | 0 |
| 1999 | 17 | 0 |
| 2000 | 10 | 0 |
| 2001 | 7 | 5 |
| 2002 | 17 | 20 |
| 2003 | 12 | 8 |
| 2004 | 11 | 15 |
| 2005 | 12 | 8 |
| 2006 | 11 | 9 |
| 2007 | 6 | 10 |
| 2008 | 7 | 9 |
| 2009 | 11 | 7 |
| 2010 | 12 | 7 |
| 2011 | 8 | 3 |
| 2012 | 4 | 10 |
| 2013 | 6 | 2 |
| 2014 | 5 | 6 |
| 2015 | 7 | 4 |
| 2016 | 7 | 11 |
| 2017 | 9 | 5 |
| 2018 | 8 | 6 |
| 2019 | 6 | 16 |
| 2020 | 10 | 18 |
| 2021 | 8 | 17 |
| 2022 | 13 | 8 |
| 2023 | 11 | 19 |
| 2024 | 16 | 17 |
| 2025 | 13 | 12 |
| 2026 | 12 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Double-mode surface-acoustic-wave (DMS) filter having a modulated interdigital transducer25 Aug 2026US 12,719,449 B2RF360 Singapore Pte. Ltd.
- Filter and multiplexer14 Jul 2026US 12,683,584 B2Taiyo Yuden Co., Ltd.
- Structure and manufacturing method of surface acoustic wave filter with interdigital transducer23 Jun 2026US 12,665,572 B2Shenzhen Newsonic Technologies Co., Ltd.
- Filter device9 Jun 2026US 12,652,022 B2Murata Manufacturing Co., Ltd.
- Reconfigurable metasurfaces and x-band RF devices employing the acoustoelectric effect2 Jun 2026US 12,647,102 B1National Technology & Engineering Solutions of Sandia, LLC
- Thin Film Bulk Acoustic FBAR Resonator With Spurious Mode Suppression Mechanism12 Feb 2026US 2026/0045930 A1Changzhou Crystal Resonance Technologies Co., Ltd.
- Multi-mode surface acoustic wave filter with impedance conversion1 Jan 2026US 2026/0005675 A1Skyworks Solutions, Inc.
- Multi-layer piezoelectric substrate surface acoustic wave device with loop circuit9 Oct 2025US 2025/0317121 A1Skyworks Solutions, Inc.
- Multi-layer piezoelectric substrate surface acoustic wave device with phase cancelling circuit9 Oct 2025US 2025/0317123 A1Skyworks Solutions, Inc.
- Phase cancelling circuit in multi-layer piezoelectric substrate surface acoustic wave device with interference suppression structure9 Oct 2025US 2025/0317124 A1Skyworks Solutions, Inc.
Most cited
By later US patents
- Electronic component and method of production thereof89US 6,262,513 B1Kabushiki Kaisha Toshiba · 2001
- Surface acoustic wave device using two parallel connected filters with different passbands69US 6,606,016 B2Murata Manufacturing Co., Ltd. · 2003
- Surface acoustic wave device and electronic device using the same54US 7,009,468 B2Murata Manufacturing Co., Ltd. · 2006
- Filter device and dual-band radio system in which the filter device is used53US 6,115,592 AFujitsu Limited · 2000
- Cascaded surface wave device filters providing balanced and unbalanced signal connections49US 5,790,000 ANorthern Telecom Limited · 1998