H03F 3/62
Two-way amplifiers
H03F3/62 (Two-way amplifiers) appears on 92 US grants and 90 published applications in this corpus.
Search patents in H03F- Granted patents
- 92
- Published applications
- 90
- Assignees
- 69
- Inventors
- 215
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 2 |
| 2006 | 2 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 5 |
| 2010 | 2 | 2 |
| 2011 | 3 | 3 |
| 2012 | 3 | 1 |
| 2013 | 1 | 0 |
| 2014 | 2 | 2 |
| 2015 | 1 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 7 |
| 2019 | 9 | 6 |
| 2020 | 2 | 5 |
| 2021 | 4 | 6 |
| 2022 | 6 | 5 |
| 2023 | 6 | 10 |
| 2024 | 6 | 14 |
| 2025 | 10 | 8 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pseudo bi-directional amplifier25 Aug 2026US 12,719,423 B2QUALCOMM Incorporated
- Gain invariant bidirectional phase shifter18 Aug 2026US 12,712,245 B2Texas Instruments Incorporated
- Transceiver interface with power detection9 Jun 2026US 12,652,008 B2QUALCOMM Incorporated
- Off-state isolation bias circuit for D-mode amplifiers31 Mar 2026US 12,592,673 B2Raytheon Company
- Bidirectional amplifier including matching circuits having symmetrical structure and communication device including the same10 Feb 2026US 12,549,146 B2Electronics and Telecommunications Research Institute
- Bidirectional differential amplifier6 Aug 2026US 2026/0230094 A1Space Exploration Technologies Corp.
- Temperature controlled phase compensation for tuned amplifiers21 May 2026US 2026/0142622 A1Space Exploration Technologies Corp.
- Communication circuitry including amplifying module and an electronic device including the communication circuitry2 Apr 2026US 2026/0095203 A1Samsung Electronics Co., Ltd.
- Preamplifier circuit with coupling for wired bidirectional communication with power26 Feb 2026US 2026/0058687 A1Interdisciplinary Consulting Corporation
- Reconfigurable dual input receiver front end25 Sep 2025US 2025/0300612 A1QUALCOMM Incorporated
Most cited
By later US patents
- Bi-directional amplifier module for insertion between microwave transmission channels231US 6,686,875 B1Phase IV Systems, Inc. · 2004
- Area efficient concurrent matching transceiver78US 8,626,084 B2QUALCOMM Incorporated · 2014
- Bidirectional transconductance amplifier26US 4,689,607 AGeneral DataComm, Inc. · 1987
- Symmetric bi-directional amplifier26US 5,105,166 ARaytheon Company · 1992
- Semiconductor amplifier circuit and system22US 6,366,172 B1Matsushita Electric Industrial Co., Ltd. · 2002