H03F 3/393
With field-effect devices
Official title: with field-effect devices
H03F3/393 (With field-effect devices) appears on 158 US grants and 149 published applications in this corpus.
Search patents in H03F- Granted patents
- 158
- Published applications
- 149
- Assignees
- 105
- Inventors
- 321
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 0 | 1 |
| 2007 | 6 | 4 |
| 2008 | 3 | 6 |
| 2009 | 5 | 7 |
| 2010 | 5 | 2 |
| 2011 | 5 | 3 |
| 2012 | 5 | 1 |
| 2013 | 1 | 2 |
| 2014 | 3 | 6 |
| 2015 | 2 | 8 |
| 2016 | 10 | 12 |
| 2017 | 13 | 11 |
| 2018 | 16 | 11 |
| 2019 | 9 | 6 |
| 2020 | 14 | 14 |
| 2021 | 11 | 8 |
| 2022 | 4 | 12 |
| 2023 | 7 | 10 |
| 2024 | 8 | 8 |
| 2025 | 9 | 7 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Amplifier circuit18 Aug 2026US 12,712,496 B2Sony Semiconductor Solutions Corporation
- Continuous time operation amplifier and operating method16 Jun 2026US 12,658,869 B2Korea Advanced Institute of Science and Technology
- Envelope tracking integrated circuit operable across wide modulation bandwidth12 May 2026US 12,627,269 B2Qorvo US, Inc.
- Ratiometric sensor circuit5 May 2026US 12,618,920 B2Infineon Technologies AG
- Circuit arrangement comprising a MOS sensor, in particular TMOS sensor, and a corresponding method for operating the circuit arrangement20 Jan 2026US 12,531,570 B2STMicroelectronics S,r.l.
- Chopper circuit for multipath chopper amplifier and corresponding method of chopping16 Jul 2026US 2026/0205075 A1NXP B. V.
- Electronic circuit and method for suppressing offset changes in a buffer2 Jul 2026US 2026/0189191 A1
- Class ab amplifier19 Mar 2026US 2026/0081570 A1Kabushiki Kaisha Toshiba
- Low-EMI capacitively-coupled Class-D amplifiers with voltage boosting1 Jan 2026US 2026/0005657 A1National Cheng Kung University
- Amplifier2 Oct 2025US 2025/0309844 A1Ablic Inc.
Most cited
By later US patents
- Transmitter using input modulation for envelope restoration scheme for linear high-efficiency power amplification120US 6,380,802 B1Ericsson Inc. · 2002
- Analog to digital converter with autoranging offset86US 5,329,281 AHewlett-Packard Company · 1994
- CMOS operational amplifier47US 6,456,159 B1Analog Devices, Inc. · 2002
- Chopper-stabilized instrumentation amplifier for wireless telemetry41US 8,265,769 B2Medtronic, Inc. · 2012
- Differential amplifier, operational amplifier employing the same, and liquid crystal driving circuit incorporating the operational amplifier32US 6,331,846 B1Sharp Kabushiki Kaisha · 2001