H03H 9/6433
Coupled resonator filters
Official title: {Coupled resonator filters}
H03H9/6433 (Coupled resonator filters) appears on 1,629 US grants and 1,715 published applications in this corpus.
Search patents in H03H- Granted patents
- 1,629
- Published applications
- 1,715
- Assignees
- 170
- Inventors
- 1,319
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 9 | 0 |
| 1995 | 3 | 0 |
| 1996 | 10 | 0 |
| 1997 | 18 | 0 |
| 1998 | 23 | 0 |
| 1999 | 38 | 0 |
| 2000 | 28 | 0 |
| 2001 | 24 | 16 |
| 2002 | 46 | 52 |
| 2003 | 29 | 32 |
| 2004 | 33 | 56 |
| 2005 | 41 | 25 |
| 2006 | 40 | 23 |
| 2007 | 22 | 29 |
| 2008 | 18 | 22 |
| 2009 | 22 | 21 |
| 2010 | 28 | 28 |
| 2011 | 21 | 20 |
| 2012 | 19 | 34 |
| 2013 | 22 | 31 |
| 2014 | 19 | 31 |
| 2015 | 55 | 28 |
| 2016 | 39 | 68 |
| 2017 | 54 | 97 |
| 2018 | 60 | 96 |
| 2019 | 106 | 161 |
| 2020 | 114 | 149 |
| 2021 | 118 | 124 |
| 2022 | 89 | 102 |
| 2023 | 95 | 142 |
| 2024 | 102 | 131 |
| 2025 | 141 | 122 |
| 2026 | 98 | 75 |
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.
- Composite transversely-excited film bulk acoustic resonator circuits having a capacitor for improved rejection6 Oct 2026US 12,756,378 B2Murata Manufacturing Co., Ltd.
- Multiplexer with dies of different acoustic velocity29 Sep 2026US 12,750,035 B2Skyworks Solutions, Inc.
- Fuse capacitor electrostatic discharge (ESD) protection for electroacoustic devices15 Sep 2026US 12,738,924 B2QUALCOMM Incorporated
- High frequency filter, high frequency circuit, and communication device8 Sep 2026US 12,732,161 B2Murata Manufacturing Co., Ltd.
- Multiplexer8 Oct 2026US 2026/0312565 A1Murata Manufacturing Co., Ltd.
- Acoustic wave device, acoustic wave filter, and multiplexer1 Oct 2026US 2026/0303059 A1Murata Manufacturing Co., Ltd.
- Acoustic wave device with tilted interdigital transducer electrode17 Sep 2026US 2026/0280512 A1Skyworks Solutions, Inc.
- Acoustic wave device with reduced acoustic coupling17 Sep 2026US 2026/0280513 A1Skyworks Solutions, Inc.
- Acoustic wave device, filter, and multiplexer17 Sep 2026US 2026/0280515 A1Taiyo Yuden Co., Ltd.
Most cited
By later US patents
- Saw filter device for radio tranceiver utilizing different coupling coefficient ratios207US 5,726,610 AMotorola, Inc. · 1998
- Temperature compensated surface acoustic wave device and methods of manufacturing the same196US 10,284,176 B1Qorvo US, Inc. · 2019
- RF ladder filter with simplified acoustic RF resonator parallel capacitance compensation185US 9,837,984 B2Qorvo US, Inc. · 2017
- Saw resonator filter with bridged-T configuration171US 6,377,140 B1Oki Electric Industry Co., Ltd. · 2002
- Filter devices having reduced spurious emissions from lamb waves170US 10,187,039 B2Skyworks Filter Solutions Japan Co., Ltd. · 2019