H04B 1/405
With multiple discrete channels
Official title: with multiple discrete channels
H04B1/405 (With multiple discrete channels) appears on 167 US grants and 75 published applications in this corpus.
Search patents in H04B- Granted patents
- 167
- Published applications
- 75
- Assignees
- 96
- Inventors
- 315
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 3 |
| 2003 | 4 | 0 |
| 2004 | 4 | 1 |
| 2005 | 1 | 6 |
| 2006 | 4 | 6 |
| 2007 | 4 | 2 |
| 2008 | 0 | 2 |
| 2009 | 4 | 0 |
| 2010 | 4 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 4 |
| 2013 | 3 | 2 |
| 2014 | 3 | 1 |
| 2015 | 3 | 2 |
| 2016 | 1 | 1 |
| 2017 | 2 | 3 |
| 2018 | 1 | 1 |
| 2019 | 2 | 3 |
| 2020 | 7 | 3 |
| 2021 | 6 | 5 |
| 2022 | 5 | 6 |
| 2023 | 3 | 7 |
| 2024 | 5 | 5 |
| 2025 | 4 | 4 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-channel transceiver16 Jun 2026US 12,658,970 B2Electronics and Telecommunications Research Institute
- Simultaneous transmit and receive through active cancellation12 May 2026US 12,627,330 B2Raytheon Company
- Radio-frequency circuit and communication device24 Feb 2026US 12,562,759 B2Murata Manufacturing Co., Ltd.
- Electronic device for performing wireless communication and operation method thereof15 Jul 2025US 12,362,771 B2Samsung Electronics Co., Ltd.
- Doherty transceiver interface13 May 2025US 12,301,170 B2QUALCOMM Incorporated
- Splitter or pass-through configurable power divider27 Aug 2026US 2026/0254477 A1Honeywell International Inc.
- Radio frequency transceiver and device including the same25 Jun 2026US 2026/0180614 A1Electronics and Telecommunications Research Institute
- Transmit-receive (tr) switch architecture for electrostatic discharge (esd) protection12 Mar 2026US 2026/0074736 A1QUALCOMM Incorporated
- Adjustable gain slope compensator5 Mar 2026US 2026/0066513 A1Qorvo US, Inc.
- Communication apparatus that communicates with target apparatus and method used in communication apparatus1 Jan 2026US 2026/0005717 A1JVCKENWOOD Corporation
Most cited
By later US patents
- Transmission and reception apparatus having a single phase-locked loop and method thereof260US 5,937,335 ASamsung Electronics Co., Ltd. · 1999
- On-channel transceiver architecture in a dual band mobile phone153US 5,890,051 AEricsson Inc. · 1999
- Compatible licensed and unlicensed band portable handset unit for TDMA wireless communications system130US 5,475,677 ABell Communications Research, Inc. · 1995
- Dual band notch antenna for portable radiotelephones120US 4,723,305 AMotorola, Inc. · 1988
- Dual band antenna having separate matched inputs for each band72US 4,672,685 AMotorola, Inc. · 1987