H03F 3/193
With field-effect devices
Official title: with field-effect devices (H03F3/195 takes precedence)
H03F3/193 (With field-effect devices) appears on 2,318 US grants and 2,301 published applications in this corpus.
Search patents in H03F- Granted patents
- 2,318
- Published applications
- 2,301
- Assignees
- 618
- Inventors
- 3,338
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 10 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 10 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 12 | 0 |
| 1996 | 9 | 0 |
| 1997 | 11 | 0 |
| 1998 | 19 | 0 |
| 1999 | 19 | 0 |
| 2000 | 27 | 0 |
| 2001 | 10 | 4 |
| 2002 | 19 | 25 |
| 2003 | 28 | 19 |
| 2004 | 21 | 27 |
| 2005 | 16 | 23 |
| 2006 | 25 | 31 |
| 2007 | 27 | 46 |
| 2008 | 28 | 36 |
| 2009 | 31 | 32 |
| 2010 | 38 | 35 |
| 2011 | 39 | 39 |
| 2012 | 32 | 59 |
| 2013 | 61 | 110 |
| 2014 | 94 | 147 |
| 2015 | 146 | 188 |
| 2016 | 176 | 185 |
| 2017 | 227 | 195 |
| 2018 | 199 | 183 |
| 2019 | 202 | 159 |
| 2020 | 174 | 180 |
| 2021 | 132 | 113 |
| 2022 | 95 | 110 |
| 2023 | 84 | 140 |
| 2024 | 85 | 83 |
| 2025 | 88 | 77 |
| 2026 | 56 | 55 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Analog front end of receiver for high baud-rate communications29 Sep 2026US 12,750,015 B1Marvell Asia Pte Ltd
- Tunable effective inductance for multi-gain LNA with inductive source degeneration29 Sep 2026US 12,750,026 B2pSemi Corporation
- Active balun amplifier15 Sep 2026US 12,738,901 B2Huawei Technologies Co., Ltd.
- RF amplifier circuit with a feedback circuit and method for adjusting a gain mode of same circuit8 Sep 2026US 12,732,137 B2Infineon Technologies AG
- Tunable attenuator8 Sep 2026US 12,732,163 B2NXP B. V.
- Apparatus and techniques for jammer signal filtering27 Aug 2026US 2026/0254440 A1QUALCOMM Incorporated
- Reversed feedback amplifier and cascaded wideband high-gain amplifier circuits20 Aug 2026US 2026/0246433 A1The Regents of the University of California
- Wideband lna with output match configurability13 Aug 2026US 2026/0238168 A1Murata Manufacturing Co., Ltd.
- Configurable equalizing stage with embedded variable gain13 Aug 2026US 2026/0238172 A1Marvell Asia Pte Ltd
- Phase Shifting Element For A Pulse Width Modulator (PWM) Generator6 Aug 2026US 2026/0230039 A1Massachusetts Institute of Technology
Most cited
By later US patents
- High-frequency amplifier, transmitting device and receiving device216US 5,903,854 ASony Corporation · 1999
- High power battery powered RF amplifier topology200US 10,159,524 B2Ethicon, Inc. · 2018
- Semiconductor integrated circuit174US 5,903,178 AMatsushita Electronics Corporation · 1999
- High power high impedance microwave devices for power applications154US 6,137,367 AAMCOM Communications, Inc. · 2000
- Method and apparatus for reducing key-up distortion by pre-heating transistors134US 5,920,808 AGlenayre Electronics, Inc. · 1999