H03F 3/265
With field-effect transistors only
Official title: {with field-effect transistors only}
H03F3/265 (With field-effect transistors only) appears on 340 US grants and 292 published applications in this corpus.
Search patents in H03F- Granted patents
- 340
- Published applications
- 292
- Assignees
- 187
- Inventors
- 544
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 2 |
| 2002 | 5 | 6 |
| 2003 | 6 | 6 |
| 2004 | 4 | 3 |
| 2005 | 6 | 7 |
| 2006 | 6 | 6 |
| 2007 | 5 | 3 |
| 2008 | 5 | 5 |
| 2009 | 3 | 2 |
| 2010 | 6 | 7 |
| 2011 | 8 | 10 |
| 2012 | 11 | 12 |
| 2013 | 13 | 11 |
| 2014 | 16 | 22 |
| 2015 | 24 | 16 |
| 2016 | 12 | 11 |
| 2017 | 19 | 21 |
| 2018 | 19 | 22 |
| 2019 | 27 | 11 |
| 2020 | 8 | 11 |
| 2021 | 16 | 18 |
| 2022 | 11 | 9 |
| 2023 | 9 | 26 |
| 2024 | 12 | 17 |
| 2025 | 16 | 15 |
| 2026 | 9 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Amplifier arrangement with enhanced harmonic rejection4 Aug 2026US 12,700,839 B2Telefonaktiebolaget LM Ericsson (publ)
- Receiver circuit and optical receiver circuit28 Jul 2026US 12,695,516 B2Sumitomo Electric Industries, Ltd.
- Crystal oscillators including a two stage amplifier7 Jul 2026US 12,676,579 B1Infineon Technologies Americas Corp.
- Variable gain amplifier2 Jun 2026US 12,647,081 B2Fujikura Ltd.
- Signal amplifying circuit and signal processing system and analog-to-digital converting system comprising the same14 Apr 2026US 12,603,618 B2Realtek Semiconductor Corp.
- Method and devices to increase power added efficiency in power amplifiers20 Aug 2026US 2026/0246427 A1pSemi Corporation
- Power amplifier system with reduced gain variation for envelope tracking applications16 Jul 2026US 2026/0205072 A1Skyworks Solutions, Inc.
- Transformation module for an rf amplifier arrangement, rf amplifier arrangement comprising such a transformation module, and arrangement for accelerating particles comprising at least one such rf amplifier arrangement2 Jul 2026US 2026/0189198 A1Trumpf HüTtinger GmbH + Co. KG
- Integrate-and-hold circuit18 Jun 2026US 2026/0171977 A1
- Radio frequency power amplifier based on transformer matching28 May 2026US 2026/0149412 A1Beijing Onmicro Electronics Co., Ltd.
Most cited
By later US patents
- Single-ended to differential converter93US 5,945,878 AMotorola, Inc. · 1999
- Linear RF power amplifier77US 5,726,603 AENI Technologies, Inc. · 1998
- Solid-state RF power amplifier for radio transmitters74US 8,031,003 B22011
- Field effect transistor cable television line amplifier73US 5,742,205 AScientific-Atlanta, Inc. · 1998
- RF power amplifier stability network72US 7,777,567 B2MKS Instruments, Inc. · 2010