H03H 9/009
Lattice filters
Official title: {Lattice filters}
H03H9/009 (Lattice filters) appears on 22 US grants and 26 published applications in this corpus.
Search patents in H03H- Granted patents
- 22
- Published applications
- 26
- Assignees
- 21
- Inventors
- 54
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 0 | 0 |
| 2006 | 1 | 3 |
| 2007 | 3 | 0 |
| 2008 | 2 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 0 | 4 |
| 2024 | 1 | 3 |
| 2025 | 3 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bulk filter10 Mar 2026US 12,574,001 B2Guangdong Zhineng Technologies, Co. Ltd.
- Bridge filters2 Sep 2025US 12,407,320 B2RF360 Singapore Pte. Ltd.
- Elastic wave device and ladder filter1 Jul 2025US 12,348,212 B2Murata Manufacturing Co., Ltd.
- Resonator-assisted LC filter exhibiting high-pass and bandpass behavior6 May 2025US 12,294,354 B2Qorvo US, Inc.
- Tunable and switchable SAW-BAW RF resonators2 Jul 2024US 12,028,047 B2University of Florida Research Foundation, Inc.
- Ssh circuit and electronic device18 Jul 2024US 2024/0243717 A1Rohm Co., Ltd.
- Integrated balun and filter27 Jun 2024US 2024/0213957 A1Texas Instruments Incorporated
- Bulk filter11 Apr 2024US 2024/0120898 A1Guangdong Zhineng Technologies, Co. Ltd.
- Bridge Filters2 Nov 2023US 2023/0353117 A1Rf360 Europe GmbH
- Filter device31 Aug 2023US 2023/0275567 A1Murata Manufacturing Co., Ltd.
Most cited
By later US patents
- Unbalanced saw filter18US 5,093,638 AMotorola, Inc. · 1992
- Balanced bridge saw filter16US 5,508,667 AAdvanced SAW Products SA · 1996
- Dual-channel passband filtering system using acoustic resonators in lattice topology16US 7,194,247 B2Nokia Corporation · 2007
- Surface acoustic wave filters15US 6,246,148 B1Clarisay, Inc. · 2001
- Resonator filter structure having equal resonance frequencies12US 7,319,371 B2NXP B. V. · 2008