H03F 2201/3215
To increase the output power or efficiency
H03F2201/3215 (To increase the output power or efficiency) appears on 197 US grants and 206 published applications in this corpus.
Search patents in H03F- Granted patents
- 197
- Published applications
- 206
- Assignees
- 92
- Inventors
- 333
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 6 |
| 2007 | 1 | 15 |
| 2008 | 3 | 1 |
| 2009 | 2 | 2 |
| 2010 | 5 | 1 |
| 2011 | 2 | 2 |
| 2012 | 1 | 5 |
| 2013 | 8 | 6 |
| 2014 | 7 | 6 |
| 2015 | 21 | 44 |
| 2016 | 25 | 14 |
| 2017 | 22 | 18 |
| 2018 | 14 | 20 |
| 2019 | 17 | 20 |
| 2020 | 24 | 24 |
| 2021 | 13 | 13 |
| 2022 | 14 | 6 |
| 2023 | 5 | 2 |
| 2024 | 2 | 0 |
| 2025 | 3 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wireless communication system, power amplifier and method of determining power amplifier performance2 Jun 2026US 12,647,077 B2Bonsai Systems Inc.
- Methods and devices for increased efficiency in linear power amplifier9 Sep 2025US 12,413,189 B2Intel Corporation
- Output array for RF performance improvement26 Aug 2025US 12,401,381 B2Huawei Technologies Co., Ltd.
- Method, device, and system for signal distortion pre-correction, and composite system18 Feb 2025US 12,231,093 B2Zte Corporation
- Predistortion circuit, method for generating a predistorted baseband signal, control circuit for a predistortion circuit, method to determine parameters for a predistortion circuit, and apparatus and method for predistorting a baseband signal24 Dec 2024US 12,176,934 B2Apple Inc.
- Filter switching circuit23 Jul 2026US 2026/0213778 A1Murata Manufacturing Co., Ltd.
- Wireless communication system, power amplifier and method of determining power amplifier performance28 Dec 2023US 2023/0421118 A1Bonsai Systems Inc.
- Output Array for Rf Performance Improvement5 Jan 2023US 2023/0006702 A1Huawei Technologies Co., Ltd.
- Methods and devices for increased efficiency in linear power amplifier29 Dec 2022US 2022/0416735 A1Intel Corporation
- Predistortion Circuit, Method For Generating A Predistorted Baseband Signal, Control Circuit For A Predistortion Circuit, Method To Determine Parameters For A Predistortion Circuit, And Apparatus And Method For Predistorting A Baseband Signal17 Nov 2022US 2022/0368360 A1Apple Inc.
Most cited
By later US patents
- RF power amplifier linearization using parallel RF power amplifiers having intermod-complementing predistortion paths108US 6,111,462 A2000
- Systems and methods of RF power transmission, modulation, and amplification, including transfer function embodiments90US 7,421,036 B2ParkerVision, Inc. · 2008
- Envelope tracking system for MIMO85US 8,803,603 B2Nujira Limited · 2014
- Systems and methods for vector power amplification77US 7,184,723 B2ParkerVision, Inc. · 2007
- Systems and methods for vector power amplification73US 7,327,803 B2ParkerVision, Inc. · 2008