H03H 9/46
Filters
Official title: Filters (multiple-port electromechanical filters H03H9/70)
H03H9/46 (Filters) appears on 4,670 US grants and 4,719 published applications in this corpus.
Search patents in H03H- Granted patents
- 4,670
- Published applications
- 4,719
- Assignees
- 634
- Inventors
- 4,013
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 24 | 0 |
| 1977 | 31 | 0 |
| 1978 | 29 | 0 |
| 1979 | 16 | 0 |
| 1980 | 23 | 0 |
| 1981 | 20 | 0 |
| 1982 | 34 | 0 |
| 1983 | 26 | 0 |
| 1984 | 20 | 0 |
| 1985 | 21 | 0 |
| 1986 | 16 | 0 |
| 1987 | 17 | 0 |
| 1988 | 14 | 0 |
| 1989 | 14 | 0 |
| 1990 | 9 | 0 |
| 1991 | 11 | 0 |
| 1992 | 25 | 0 |
| 1993 | 16 | 0 |
| 1994 | 31 | 0 |
| 1995 | 25 | 0 |
| 1996 | 37 | 0 |
| 1997 | 41 | 0 |
| 1998 | 55 | 0 |
| 1999 | 84 | 0 |
| 2000 | 68 | 0 |
| 2001 | 61 | 39 |
| 2002 | 94 | 110 |
| 2003 | 76 | 72 |
| 2004 | 81 | 122 |
| 2005 | 97 | 106 |
| 2006 | 84 | 81 |
| 2007 | 76 | 113 |
| 2008 | 82 | 83 |
| 2009 | 103 | 71 |
| 2010 | 95 | 82 |
| 2011 | 64 | 75 |
| 2012 | 69 | 101 |
| 2013 | 69 | 112 |
| 2014 | 79 | 78 |
| 2015 | 132 | 92 |
| 2016 | 109 | 134 |
| 2017 | 117 | 249 |
| 2018 | 141 | 249 |
| 2019 | 271 | 327 |
| 2020 | 296 | 358 |
| 2021 | 271 | 364 |
| 2022 | 254 | 407 |
| 2023 | 249 | 410 |
| 2024 | 345 | 316 |
| 2025 | 390 | 352 |
| 2026 | 258 | 216 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Packaged acoustic wave devices with multilayer piezoelectric substrate6 Oct 2026US 12,756,372 B2Skyworks Solutions, Inc.
- Filter and filter module6 Oct 2026US 12,756,374 B2Murata Manufacturing Co., Ltd.
- Composite transversely-excited film bulk acoustic resonator circuits having a capacitor for improved rejection6 Oct 2026US 12,756,378 B2Murata Manufacturing Co., Ltd.
- Metal-piezoelectric-metal capacitor29 Sep 2026US 12,750,032 B2Murata Manufacturing Co., Ltd.
- Acoustic wave device29 Sep 2026US 12,750,034 B2Murata Manufacturing Co., Ltd.
- Multiplexer8 Oct 2026US 2026/0312565 A1Murata Manufacturing Co., Ltd.
- Bulk acoustic wave filter for second harmonic residue reduction8 Oct 2026US 2026/0312566 A1Skyworks Solutions, Inc.
- Device for subcutaneous delivery of fluid medicament1 Oct 2026US 2026/0295153 A1NeuroDerm, Ltd.
- Acoustic wave device and filter device1 Oct 2026US 2026/0303055 A1Murata Manufacturing Co., Ltd.
- Acoustic wave device, acoustic wave filter, and multiplexer1 Oct 2026US 2026/0303059 A1Murata Manufacturing Co., Ltd.
Most cited
By later US patents
- Duplexer incorporating thin-film bulk acoustic resonators (FBARs)338US 6,262,637 B1Agilent Technologies, Inc. · 2001
- Tunable thin film acoustic resonators and method for making the same294US 5,587,620 AHewlett-Packard Company · 1996
- Layer acoustic wave device and method of making the same290US 7,619,347 B1RF Micro Devices, Inc. · 2009
- Saw filter device and method employing normal temperature bonding for producing desirable filter production and performance characteristics289US 7,105,980 B2Sawtek, Inc. · 2006
- Laterally coupled bulk acoustic wave filter with improved passband characteristics282US 9,219,466 B2Teknologian tutkimuskeskus VTT Oy · 2015