H03H 7/487
Particularly adapted as coupling circuit between transmitters and antennas
Official title: {particularly adapted as coupling circuit between transmitters and antennas}
H03H7/487 (Particularly adapted as coupling circuit between transmitters and antennas) appears on 42 US grants and 35 published applications in this corpus.
Search patents in H03H- Granted patents
- 42
- Published applications
- 35
- Assignees
- 23
- Inventors
- 58
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 4 | 6 |
| 2019 | 6 | 10 |
| 2020 | 9 | 4 |
| 2021 | 3 | 1 |
| 2022 | 1 | 3 |
| 2023 | 2 | 2 |
| 2024 | 2 | 3 |
| 2025 | 3 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Combiner/splitter9 Jun 2026US 12,652,014 B2Qorvo US, Inc.
- Circuit with first and second terminals coupled together via a branch-interconnection arrangement23 Sep 2025US 12,424,723 B2NXP B. V.
- Cable module19 Aug 2025US 12,395,144 B2Xiang Yao Electronics (Shenzhen) Co., Ltd.
- Duplexer measurement and tuning systems22 Apr 2025US 12,283,936 B2Apple Inc.
- Duplexer measurement and tuning systems12 Nov 2024US 12,143,145 B2Apple Inc.
- Combiner/splitter3 Sep 2026US 2026/0261249 A1Qorvo US, Inc.
- Rf device29 Jan 2026US 2026/0031848 A1Texas Instruments Incorporated
- Circuit with first and second terminals coupled together via a branch-interconnection arrangement28 Mar 2024US 2024/0106101 A1NXP B. V.
- Duplexer measurement and tuning systems7 Mar 2024US 2024/0080008 A1Apple Inc.
- Duplexer measurement and tuning systems7 Mar 2024US 2024/0080063 A1Apple Inc.
Most cited
By later US patents
- Combining power amplifiers at millimeter wave frequencies117US 10,291,193 B2Texas Instruments Incorporated · 2019
- N-way combiner19US 5,754,082 AHarris Corporation · 1998
- Quadrature combined doherty amplifiers17US 10,554,177 B2Skyworks Solutions, Inc. · 2020
- Quadrature combined doherty amplifiers10US 11,070,174 B2Skyworks Solutions, Inc. · 2021
- Dynamic antenna tuner10US 3,939,422 AWestinghouse Electric Corp. · 1976