H04B 1/0017
Digital filtering
Official title: {Digital filtering (H04B1/001 takes precedence; digital filters per se H03H17/00)}
H04B1/0017 (Digital filtering) appears on 113 US grants and 93 published applications in this corpus.
Search patents in H04B- Granted patents
- 113
- Published applications
- 93
- Assignees
- 84
- Inventors
- 244
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 3 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 3 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 3 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 1 | 2 |
| 2014 | 4 | 4 |
| 2015 | 4 | 6 |
| 2016 | 7 | 7 |
| 2017 | 7 | 15 |
| 2018 | 16 | 4 |
| 2019 | 10 | 5 |
| 2020 | 7 | 10 |
| 2021 | 6 | 7 |
| 2022 | 5 | 4 |
| 2023 | 3 | 5 |
| 2024 | 2 | 5 |
| 2025 | 3 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-stage digital converters17 Mar 2026US 12,580,604 B2Evertz Microsystems Ltd.
- 24GHz band-pass filter3 Feb 2026US 12,542,340 B2QuantumZ Inc.
- Group delay compensation13 Jan 2026US 12,525,997 B2Nokia Technologies Oy
- System and method for increasing bandwidth for digital predistortion in multi-channel wideband communication systems2 Sep 2025US 12,407,368 B2Dali Systems Co. Ltd.
- Smart FFT measurement for reconfigurable sensor using a wideband digital receiver27 May 2025US 12,316,354 B2
- Phase error monitor1 Oct 2026US 2026/0303127 A1
- Increasing Bandwidth for Digital Predistortion in Multi-Channel Wideband Communication Systems7 May 2026US 2026/0128752 A1
- Configurable load sensing via a programmable drive sense unit1 May 2025US 2025/0138575 A1Sigmasense, LLC.
- System for and method of digital to analog conversion frequency distortion compensation28 Nov 2024US 2024/0396562 A1Avago Technologies International Sales Pte. Limited
- High frequency circuit and communication apparatus26 Sep 2024US 2024/0322848 A1Murata Manufacturing Co., Ltd.
Most cited
By later US patents
- Multi-channel digital transceiver and method218US 5,579,341 AMotorola, Inc. · 1996
- Multi-channel digital transceiver and method169US 5,818,883 AMotorola, Inc. · 1998
- Multi-channel transceiver having an adaptive antenna array and method168US 5,748,683 AMotorola, Inc. · 1998
- Wideband multi-protocol wireless radio transceiver system156US 6,526,264 B2Cognio, Inc. · 2003
- Frequency conversion circuit and radio communication apparatus with the same147US 5,742,189 AKabushiki Kaisha Toshiba · 1998