H03F 2203/21142
Output signals of a plurality of power amplifiers are parallel combined to
Official title: Output signals of a plurality of power amplifiers are parallel combined to a common output
H03F2203/21142 (Output signals of a plurality of power amplifiers are parallel combined to) appears on 343 US grants and 366 published applications in this corpus.
Search patents in H03F- Granted patents
- 343
- Published applications
- 366
- Assignees
- 143
- Inventors
- 601
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 2 |
| 2007 | 2 | 10 |
| 2008 | 5 | 7 |
| 2009 | 2 | 9 |
| 2010 | 10 | 20 |
| 2011 | 24 | 25 |
| 2012 | 23 | 34 |
| 2013 | 21 | 16 |
| 2014 | 24 | 28 |
| 2015 | 36 | 41 |
| 2016 | 44 | 48 |
| 2017 | 45 | 25 |
| 2018 | 21 | 13 |
| 2019 | 12 | 17 |
| 2020 | 17 | 23 |
| 2021 | 17 | 12 |
| 2022 | 11 | 10 |
| 2023 | 3 | 6 |
| 2024 | 7 | 5 |
| 2025 | 4 | 6 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fully integrated CMOS multiple MOSFET-stacked double push-pull RF power amplifier29 Sep 2026US 12,750,012 B2Shanghai WUQI Microelectronics Co., Ltd.
- Outphasing amplifier7 Jul 2026US 12,676,581 B2Sumitomo Electric Industries, Ltd.
- Power amplification device, power amplification system, and operation method thereof17 Feb 2026US 12,556,145 B2Bestechnic (Shanghai) Co., Ltd.
- RF amplifier and electronic device comprising the same27 Jan 2026US 12,537,484 B2Ampleon Netherlands B.V.
- Amplifier and amplification method23 Sep 2025US 12,424,993 B2Sony Semiconductor Solutions Corporation
- Dual-drive high-efficiency wide-band compact doherty power amplifier17 Sep 2026US 2026/0280490 A1EMTAR Technologies Inc.
- Fault protection circuits and methods14 May 2026US 2026/0135521 A1
- Methods and devices including amplifier circuitry1 Jan 2026US 2026/0005654 A1Intel Corporation
- Selective activation of amplifying devices of a power amplification system4 Dec 2025US 2025/0373204 A1Nokia Solutions and Networks Oy
- Amplifier circuit19 Jun 2025US 2025/0202434 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- High efficiency power amplifier circuit with wide dynamic backoff range169US 6,157,253 AMotorola, Inc. · 2000
- High sensitivity, high resolution detection of signals163US 7,085,502 B2Amplification Technologies, Corp. · 2006
- High power high impedance microwave devices for power applications154US 6,137,367 AAMCOM Communications, Inc. · 2000
- Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control151US 6,285,251 B1Ericsson Inc. · 2001
- Distributed automatic gain control system140US 7,505,747 B2ADC Telecommunications, Inc. · 2009