H03F 1/07
Doherty-type amplifiers
H03F1/07 (Doherty-type amplifiers) appears on 40 US grants and 40 published applications in this corpus.
Search patents in H03F- Granted patents
- 40
- Published applications
- 40
- Assignees
- 24
- Inventors
- 64
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 4 |
| 2015 | 0 | 3 |
| 2016 | 7 | 9 |
| 2017 | 10 | 4 |
| 2018 | 3 | 4 |
| 2019 | 7 | 5 |
| 2020 | 5 | 5 |
| 2021 | 2 | 0 |
| 2022 | 0 | 3 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Radio frequency amplifier30 Dec 2025US 12,512,792 B2NXP USA, Inc.
- Electronic device comprising amplifier circuit for processing wideband RF signal23 Dec 2025US 12,506,448 B2Samsung Electronics Co., Ltd.
- Harmonic processing circuit and amplifier21 Jan 2025US 12,206,366 B2Sumitomo Electric Industries, Ltd.
- Radio-frequency module and communication device27 Aug 2024US 12,074,995 B2Murata Manufacturing Co., Ltd.
- Doherty amplifier and Doherty amplifier circuit28 Sep 2021US 11,133,781 B2Mitsubishi Electric Corporation
- Harmonic processing circuit and amplifier10 Apr 2025US 2025/0119103 A1Sumitomo Electric Industries, Ltd.
- Radio frequency amplifier16 Feb 2023US 2023/0050988 A1NXP USA, Inc.
- Electronic device comprising amplifier circuit for processing wideband rf signal27 Oct 2022US 2022/0345093 A1Samsung Electronics Co., Ltd.
- Radio-frequency module and communication device9 Jun 2022US 2022/0182472 A1Murata Manufacturing Co., Ltd.
- Higher harmonics processing circuit and amplifier28 Apr 2022US 2022/0131504 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Apparatus and methods for capacitive load reduction61US 8,598,950 B2Skyworks Solutions, Inc. · 2013
- Amplitude modulator using a carrier tube and a peaking tube12US 4,335,363 AThe Marconi Company Limited · 1982
- Apparatus and methods for capacitive load reduction of an envelope tracker12US 9,548,702 B2Skyworks Solutions, Inc. · 2017
- Power amplification system with reactance compensation11US 10,110,184 B2Skyworks Solutions, Inc. · 2018
- Apparatus and methods for capacitive load reduction11US 9,257,940 B2Skyworks Solutions, Inc. · 2016