H03F 3/45771
Using switching means
Official title: {using switching means}
H03F3/45771 (Using switching means) appears on 69 US grants and 44 published applications in this corpus.
Search patents in H03F- Granted patents
- 69
- Published applications
- 44
- Assignees
- 46
- Inventors
- 98
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 3 |
| 2002 | 1 | 2 |
| 2003 | 9 | 7 |
| 2004 | 3 | 3 |
| 2005 | 2 | 2 |
| 2006 | 4 | 0 |
| 2007 | 4 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 2 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 4 | 4 |
| 2017 | 3 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 5 | 4 |
| 2021 | 2 | 2 |
| 2022 | 3 | 1 |
| 2023 | 2 | 2 |
| 2024 | 2 | 0 |
| 2025 | 0 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Input stage circuit for an operational amplifier with enhanced input offset voltage trimming capabilities14 Jul 2026US 12,683,567 B2Zjw Microelectronics North America Inc.
- Offset correction circuit24 Feb 2026US 12,562,703 B2Mitsubishi Electric Corporation
- Offset correction circuit12 Nov 2024US 12,143,080 B2Mitsubishi Electric Corporation
- Low power operational amplifier trim offset circuitry27 Feb 2024US 11,916,516 B2Texas Instruments Incorporated
- Operational amplifier offset trim29 Aug 2023US 11,742,811 B2Texas Instruments Incorporated
- Signal processing circuit16 Apr 2026US 2026/0106588 A1Fuji Electric Co., Ltd.
- Adjustment circuit and adjustment method using the same, current adjustment circuit and current adjustment method using the same, operational amplifier, and offset adjustment method18 Sep 2025US 2025/0293649 A1Rohm Co., Ltd.
- Input stage circuit for an operational amplifier with enhanced input offset voltage trimming capabilities13 Mar 2025US 2025/0088158 A1Zjw Microelectronics North America Inc.
- Low power operational amplifier trim offset circuitry18 May 2023US 2023/0155553 A1Texas Instruments Incorporated
- Offset correction circuit26 Jan 2023US 2023/0028576 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Equipotential sense methods for resistive cross point memory cell arrays112US 6,259,644 B1Hewlett-Packard Company · 2001
- Adaptive operational amplifier offset voltage trimming system58US 6,194,962 B1Analog Devices, Inc. · 2001
- Operational amplifier with digital offset calibration57US 6,262,625 B1Hewlett-Packard Company · 2001
- Multiple trim structure43US 4,412,241 ANational Semiconductor Corporation · 1983
- Apparatus for adjusting DC offset voltage35US 4,987,327 AMotorola, Inc. · 1991