H04B 1/56
With provision for simultaneous communication in two directions
Official title: with provision for simultaneous communication in two directions
H04B1/56 (With provision for simultaneous communication in two directions) appears on 288 US grants and 220 published applications in this corpus.
Search patents in H04B- Granted patents
- 288
- Published applications
- 220
- Assignees
- 137
- Inventors
- 532
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 8 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 2 |
| 2002 | 4 | 3 |
| 2003 | 4 | 2 |
| 2004 | 3 | 7 |
| 2005 | 3 | 2 |
| 2006 | 0 | 2 |
| 2007 | 4 | 2 |
| 2008 | 3 | 1 |
| 2009 | 2 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 4 |
| 2012 | 1 | 4 |
| 2013 | 5 | 30 |
| 2014 | 4 | 12 |
| 2015 | 17 | 18 |
| 2016 | 27 | 20 |
| 2017 | 17 | 20 |
| 2018 | 16 | 22 |
| 2019 | 28 | 25 |
| 2020 | 18 | 12 |
| 2021 | 11 | 10 |
| 2022 | 10 | 4 |
| 2023 | 3 | 5 |
| 2024 | 4 | 7 |
| 2025 | 6 | 3 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for performing full duplex radio in wireless communication system29 Sep 2026US 12,750,085 B2Industry-Academic Cooperation Foundation, Yonsei University
- Simultaneous transmit signals and receive signals4 Aug 2026US 12,701,032 B2Rtx Bbn Technologies, Inc.
- Method and apparatus of multi-link communication for vehicle in communication system based on frame information including multiple information schemes24 Mar 2026US 12,588,017 B2Electronics and Telecommunications Research Institute
- Radio frequency module and communication device16 Dec 2025US 12,500,614 B2Murata Manufacturing Co., Ltd.
- Electronic control device16 Dec 2025US 12,500,795 B2Panasonic Intellectual Property Management Co., Ltd.
- North port interference mitigation in a full duplex (fdx) amplifier16 Oct 2025US 2025/0323807 A1Avago Technologies International Sales Pte. Limited
- Control unit, entity and method for use in wireless communications network18 Sep 2025US 2025/0293726 A1
- Method and apparatus for performing full duplex radio in wireless communication system1 May 2025US 2025/0141489 A1Industry-Academic Cooperation Foundation, Yonsei University
- Mimo interference cancellation28 Nov 2024US 2024/0396600 A1Forefront RF Ltd
- Radio frequency front-end architecture18 Jul 2024US 2024/0243772 A1Skyworks Solutions, Inc.
Most cited
By later US patents
- Full duplex ultrawide-band communication system and method272US 5,687,169 ATime Domain Systems, Inc. · 1997
- Fast locking mechanism for channelized ultrawide-band communications257US 5,832,035 ATime Domain Corporation · 1998
- Self-cancelling full-duplex RF communication system243US 5,691,978 ASignal Science, Inc. · 1997
- Multiple access communications system and method using code and time division226US 5,894,473 AEricsson Inc. · 1999
- Arrangement for transmitting and receiving radio frequency signal at two frequency bands199US 6,014,551 ANokia Mobile Phones Ltd. · 2000