H04B 1/525
With means for reducing leakage of transmitter signal into the receiver
Official title: with means for reducing leakage of transmitter signal into the receiver
H04B1/525 (With means for reducing leakage of transmitter signal into the receiver) appears on 1,836 US grants and 2,008 published applications in this corpus.
Search patents in H04B- Granted patents
- 1,836
- Published applications
- 2,008
- Assignees
- 569
- Inventors
- 3,296
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 11 | 0 |
| 2001 | 9 | 1 |
| 2002 | 5 | 9 |
| 2003 | 10 | 10 |
| 2004 | 12 | 17 |
| 2005 | 8 | 15 |
| 2006 | 24 | 33 |
| 2007 | 9 | 37 |
| 2008 | 18 | 45 |
| 2009 | 11 | 37 |
| 2010 | 33 | 53 |
| 2011 | 49 | 64 |
| 2012 | 58 | 72 |
| 2013 | 61 | 103 |
| 2014 | 107 | 128 |
| 2015 | 121 | 133 |
| 2016 | 130 | 163 |
| 2017 | 145 | 140 |
| 2018 | 161 | 141 |
| 2019 | 157 | 158 |
| 2020 | 150 | 116 |
| 2021 | 117 | 108 |
| 2022 | 95 | 85 |
| 2023 | 77 | 113 |
| 2024 | 68 | 102 |
| 2025 | 85 | 76 |
| 2026 | 62 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and apparatuses for determining whether an anomalous event occurred locally at a first entity6 Oct 2026US 12,756,413 B2Telefonaktiebolaget LM Ericsson (publ)
- Coexistence management for radio frequency communication systems29 Sep 2026US 12,750,083 B2Skyworks Solutions, Inc.
- Systems and methods for adaptive selection of estimation taps29 Sep 2026US 12,750,084 B2Samsung Electronics Co., Ltd.
- Reception signal processing device and method for cancelling self-interference signal generated by transmission signal22 Sep 2026US 12,744,559 B2Korea University Research and Business Foundation
- Phase shift of signals for RFI mitigation22 Sep 2026US 12,744,605 B2Intel Corporation
- Symbol-Based Control of Passive Intermodulation Cancellation in a Network Node24 Sep 2026US 2026/0291541 A1
- Full-duplex beam-nulling isolation beween transmit and receive arrays24 Sep 2026US 2026/0291600 A1ViaSat, Inc.
- Circuit and method for improving sensing accuracy17 Sep 2026US 2026/0280540 A1Realtek Semiconductor Corp.
- Replica signal generator for simultaneous bidirectional data communication link20 Aug 2026US 2026/0246490 A1QUALCOMM Incorporated
- Regression-based passive intermodulation detection methods20 Aug 2026US 2026/0246545 A1Telefonaktiebolaget LM Ericsson (publ)
Most cited
By later US patents
- Active cancellation of transmitter leakage in a wireless transceiver363US 8,175,535 B2Telefonaktiebolaget LM Ericsson (publ) · 2012
- Adaptive method and apparatus for eliminating interference between radio transceivers251US 5,630,223 AAmerican Nucleonics Corporation · 1997
- Self-cancelling full-duplex RF communication system243US 5,691,978 ASignal Science, Inc. · 1997
- System and method for providing high speed wireless media access241US 7,061,877 B1Georgia Tech Reseach Corporation · 2006
- Intelligent backhaul radio with co-band zero division duplexing utilizing transmitter to receiver antenna isolation adaptation217US 8,948,235 B2CBF Networks, Inc. · 2015