H03F 3/245
With semiconductor devices only
Official title: {with semiconductor devices only}
H03F3/245 (With semiconductor devices only) appears on 4,455 US grants and 5,545 published applications in this corpus.
Search patents in H03F- Granted patents
- 4,455
- Published applications
- 5,545
- Assignees
- 758
- Inventors
- 6,067
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 3 |
| 2003 | 1 | 6 |
| 2004 | 9 | 7 |
| 2005 | 5 | 7 |
| 2006 | 11 | 12 |
| 2007 | 6 | 27 |
| 2008 | 18 | 56 |
| 2009 | 21 | 54 |
| 2010 | 43 | 75 |
| 2011 | 82 | 92 |
| 2012 | 83 | 138 |
| 2013 | 132 | 184 |
| 2014 | 169 | 218 |
| 2015 | 238 | 295 |
| 2016 | 261 | 278 |
| 2017 | 345 | 299 |
| 2018 | 323 | 348 |
| 2019 | 374 | 369 |
| 2020 | 348 | 431 |
| 2021 | 319 | 433 |
| 2022 | 347 | 395 |
| 2023 | 273 | 474 |
| 2024 | 310 | 526 |
| 2025 | 395 | 462 |
| 2026 | 313 | 355 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Doherty amplifier system6 Oct 2026US 12,756,363 B2Qorvo US, Inc.
- Method and apparatus for controlling second harmonic-of power amplifier in wide frequency range6 Oct 2026US 12,756,365 B2Avago Technologies International Sales Pte. Limited
- Matching network for a power amplifier6 Oct 2026US 12,756,366 B2QUALCOMM Incorporated
- Power amplifier circuit and power amplification method6 Oct 2026US 12,756,367 B2Murata Manufacturing Co., Ltd.
- Power amplifier and radio frequency module6 Oct 2026US 12,756,368 B2Mitsubishi Electric Corporation
- Doherty power amplifiers with controllable capacitor for tuning harmonic termination and inverter8 Oct 2026US 2026/0312543 A1Skyworks Solutions, Inc.
- Power amplifier systems with load control8 Oct 2026US 2026/0312548 A1Skyworks Solutions, Inc.
- Stability circuits and methods for power amplifiers8 Oct 2026US 2026/0312549 A1Skyworks Solutions, Inc.
- Power amplifier phase compensation circuits and methods8 Oct 2026US 2026/0312550 A1Skyworks Solutions, Inc.
- Rfic with substrate partition8 Oct 2026US 2026/0312551 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents
- Distortion compensation apparatus and distortion compensation method358US 9,397,619 B2Fujitsu Limited · 2016
- Apparatus and methods for envelope tracking202US 8,718,188 B2Skyworks Solutions, Inc. · 2014
- High power high impedance microwave devices for power applications154US 6,137,367 AAMCOM Communications, Inc. · 2000
- RFIC with high power PA138US 7,853,234 B2Broadcom Corporation · 2010
- Apparatus and method for enabled switch detection133US 8,008,970 B1Skyworks Solutions, Inc. · 2011