H03H 9/585
Stacked crystal filters [scf]
Official title: {Stacked Crystal Filters [SCF]}
H03H9/585 (Stacked crystal filters [scf]) appears on 89 US grants and 83 published applications in this corpus.
Search patents in H03H- Granted patents
- 89
- Published applications
- 83
- Assignees
- 44
- Inventors
- 137
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 3 |
| 2004 | 1 | 3 |
| 2005 | 5 | 6 |
| 2006 | 2 | 0 |
| 2007 | 3 | 4 |
| 2008 | 1 | 3 |
| 2009 | 6 | 4 |
| 2010 | 0 | 2 |
| 2011 | 4 | 2 |
| 2012 | 4 | 12 |
| 2013 | 2 | 6 |
| 2014 | 4 | 3 |
| 2015 | 8 | 2 |
| 2016 | 6 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 11 |
| 2020 | 2 | 2 |
| 2021 | 12 | 3 |
| 2022 | 1 | 1 |
| 2023 | 1 | 4 |
| 2024 | 0 | 5 |
| 2025 | 4 | 4 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Acoustic wave device21 Jul 2026US 12,689,353 B2Murata Manufacturing Co., Ltd.
- Steep skirt combination microelectromechanical system cavity filter and bulk acoustic wave filter26 May 2026US 12,640,705 B2Skyworks Global Pte. Ltd.
- Multilayer structure, piezoelectric device using the same, manufacturing method of multilayer structure, and manufacturing method of piezoelectric device14 Apr 2026US 12,604,665 B2Nitto Denko Corporation
- Filter circuitry using ferroelectric tunable acoustic resonator18 Nov 2025US 12,476,613 B2Qorvo US, Inc.
- Stacked filter package having multiple types of acoustic wave devices2 Sep 2025US 12,407,315 B2Skyworks Solutions, Inc.
- Stacked bulk acoustic wave resonators13 Nov 2025US 2025/0350263 A1Skyworks Solutions, Inc.
- Acoustic transformer in transmission chain28 Aug 2025US 2025/0274106 A1
- Volume acoustic device and method for producing a volume acoustic device26 Jun 2025US 2025/0211191 A1
- Bulk acoustic wave structures with vertically stacked resonators8 May 2025US 2025/0150058 A1Qorvo US, Inc.
- Acoustic wave device and composite filter device26 Sep 2024US 2024/0322793 A1Murata Manufacturing Co., Ltd.
Most cited
By later US patents
- Cavity spanning bottom electrode of a substrate-mounted bulk wave acoustic resonator268US 6,384,697 B1Agilent Technologies, Inc. · 2002
- SBAR structures and method of fabrication of SBAR.FBAR film processing techniques for the manufacturing of SBAR/BAR filters207US 6,060,818 AHewlett-Packard Company · 2000
- 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 (BAW) filter having a top portion that includes a protective acoustic mirror202US 5,872,493 ANokia Mobile Phones Ltd. · 1999
- Low frequency mechanical resonator200US 5,552,655 ATRW Inc. · 1996