H04B 1/0042
Digital filtering
Official title: {Digital filtering (H04B1/0035 takes precedence; digital filters per se H03H17/00)}
H04B1/0042 (Digital filtering) appears on 65 US grants and 71 published applications in this corpus.
Search patents in H04B- Granted patents
- 65
- Published applications
- 71
- Assignees
- 38
- Inventors
- 147
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 3 | 0 |
| 2016 | 3 | 4 |
| 2017 | 6 | 17 |
| 2018 | 11 | 8 |
| 2019 | 7 | 6 |
| 2020 | 6 | 6 |
| 2021 | 8 | 8 |
| 2022 | 4 | 6 |
| 2023 | 5 | 5 |
| 2024 | 4 | 2 |
| 2025 | 5 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Configurable radio frequency front-end to support TTC and ISL satellite links11 Aug 2026US 12,706,616 B2CesiumAstro, Inc.
- High efficiency non-pulse width modulation communications system and method2 Dec 2025US 12,489,469 B2The United States of America as represented by the Secretary of the Navy
- High frequency module and communication apparatus12 Aug 2025US 12,388,473 B2Murata Manufacturing Co., Ltd.
- Chip-scale control of reconfigurable radio frequency filters5 Aug 2025US 12,381,582 B1Indiana Microelectronics, LLC
- Integrated mixed-signal ASIC with ADC, DAC, and DSP18 Mar 2025US 12,255,729 B2Seakr Engineering, Inc.
- Configurable Radio Frequency Front-End to Support TTC and ISL Satellite Links21 May 2026US 2026/0142676 A1CesiumAstro, Inc.
- Configurable load sensing via a programmable drive sense unit1 May 2025US 2025/0138575 A1Sigmasense, LLC.
- Reconfigurable carrier aggregation mmwave receiver architecture2 Jan 2025US 2025/0007538 A1QUALCOMM Incorporated
- High efficiency non-pulse width modulation communications system and method24 Oct 2024US 2024/0356569 A1The United States of America as represented by the Secretary of the Navy
- Integrated mixed-signal asic with adc, dac, and dsp2 May 2024US 2024/0146402 A1Seakr Engineering, Inc.
Most cited
By later US patents
- Digitally programmable multifunction radio system architecture271US 6,072,994 ANorthrop Grumman Corporation · 2000
- Analog compensation circuit and method64US 9,136,883 B1Futurewei Technologies, Inc. · 2015
- Software defined radio front end28US 9,564,932 B1LGS Innovations LLC · 2017
- Digital self-interference residual cancellation19US 9,647,705 B2LGS Innovations LLC · 2017
- Analog compensation circuit and method12US 9,479,198 B2Huwaei Technologies Co., Ltd. · 2016