H03F 3/45968
By offset reduction
Official title: {by offset reduction}
H03F3/45968 (By offset reduction) appears on 762 US grants and 636 published applications in this corpus.
Search patents in H03F- Granted patents
- 762
- Published applications
- 636
- Assignees
- 372
- Inventors
- 1,408
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 11 | 0 |
| 2001 | 25 | 4 |
| 2002 | 21 | 24 |
| 2003 | 28 | 29 |
| 2004 | 40 | 33 |
| 2005 | 29 | 40 |
| 2006 | 37 | 47 |
| 2007 | 39 | 31 |
| 2008 | 42 | 30 |
| 2009 | 30 | 32 |
| 2010 | 27 | 17 |
| 2011 | 25 | 12 |
| 2012 | 15 | 17 |
| 2013 | 20 | 23 |
| 2014 | 23 | 18 |
| 2015 | 18 | 22 |
| 2016 | 21 | 19 |
| 2017 | 35 | 27 |
| 2018 | 30 | 22 |
| 2019 | 29 | 19 |
| 2020 | 24 | 35 |
| 2021 | 31 | 27 |
| 2022 | 26 | 31 |
| 2023 | 24 | 14 |
| 2024 | 18 | 37 |
| 2025 | 11 | 17 |
| 2026 | 16 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods and apparatus to determine a bias current of an amplifier29 Sep 2026US 12,750,024 B2Texas Instruments Incorporated
- Current sense amplifier circuit and trimming method of offset referred to input voltage22 Sep 2026US 12,744,501 B2Richtek Technology Corporation
- Charge injection-related and switching error-related offset reduction by local chopping of switched-capacitor circuits1 Sep 2026US 12,726,163 B1Cirrus Logic, Inc.
- Signal processing25 Aug 2026US 12,719,418 B2Nordic Semiconductor ASA
- Enhanced auto-zero circuit25 Aug 2026US 12,719,428 B2Analog Devices, Inc.
- Current shunt monitoring system10 Sep 2026US 2026/0269798 A1Faraday Technology Corp.
- Measurement and compensation of amplifier input offset6 Aug 2026US 2026/0230052 A1Microchip Technology Incorporated
- Feedback amplifier input stage circuit2 Jul 2026US 2026/0189197 A1Harman International Industries, Incorporated
- Charge amplifier circuit for a capacitive sensing arrangement11 Jun 2026US 2026/0163541 A1EM Microelectronic-Marin SA
- Current protection system28 May 2026US 2026/0149265 A1Infineon Technologies AG
Most cited
By later US patents
- Subthreshold CMOS amplifier with offset adaptation214US 4,935,702 ASynaptics Incorporated · 1990
- High-order multipath operational amplifier with dynamic offset reduction, controlled saturation current limiting, and current feedback for enhanced conditional stability183US 6,002,299 ACirrus Logic, Inc. · 1999
- Differential DC offset compensation circuit181US 5,471,665 AMotorola, Inc. · 1995
- CMOS amplifier with offset adaptation153US 5,059,920 ASynaptics Incorporated · 1991
- CMOS amplifier with offset adaptation149US 5,068,622 ASynaptics Incorporated · 1991