H03F 3/45609
By using a feedforward circuit
Official title: {by using a feedforward circuit}
H03F3/45609 (By using a feedforward circuit) appears on 18 US grants and 13 published applications in this corpus.
Search patents in H03F- Granted patents
- 18
- Published applications
- 13
- Assignees
- 15
- Inventors
- 35
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 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 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 3 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Opto-electronic assemblies16 Dec 2025US 12,498,529 B2Hilight Semiconductor Limited
- Voltage gain amplifier architecture for automotive radar23 May 2023US 11,658,624 B2STMicroelectronics International N. V.
- Voltage gain amplifier architecture for automotive radar14 Sep 2021US 11,121,687 B1STMicroelectronics International N. V.
- Bias modulation active linearization for broadband amplifiers24 Nov 2020US 10,848,109 B2Analog Devices, Inc.
- Bias switch circuit for compensating frontend offset of high accuracy measurement circuit3 Nov 2020US 10,826,449 B2Hycon Technology Corp.
- Amplifier equalizer and bias offset correction22 Jan 2026US 2026/0025114 A1
- Opto-electronic assemblies28 Sep 2023US 2023/0305246 A1Hilight Semiconductor Limited
- Voltage gain amplifier architecture for automotive radar16 Dec 2021US 2021/0391837 A1STMicroelectronics International N. V.
- Bias switch circuit for compensating frontend offset of high accuracy measurement circuit11 Jun 2020US 2020/0186109 A1Hycon Technology Corp.
- Bias modulation active linearization for broadband amplifiers14 Nov 2019US 2019/0348955 A1Analog Devices, Inc.
Most cited
By later US patents
- Current mirror circuit22US 6,278,326 B1Texas Instruments Tucson Corporation · 2001
- Wideband operational amplifier13US 6,163,216 ATexas Instruments Tucson Corporation · 2000
- Output stage amplifier with compensation circuitry12US 6,552,613 B2Texas Instruments Tucson Corporation · 2003
- Offset reducing circuit for differential amplifier9US 5,365,191 ARohm Co., Ltd. · 1994
- Differential amplifier having balanced output6US 4,511,852 AHazeltine Corporation · 1985