H03F 2203/45031
The differential amplifier amplifying transistors are compositions of multiple transistors
Official title: the differential amplifier amplifying transistors are compositions of multiple transistors
H03F2203/45031 (The differential amplifier amplifying transistors are compositions of multiple transistors) appears on 39 US grants and 23 published applications in this corpus.
Search patents in H03F- Granted patents
- 39
- Published applications
- 23
- Assignees
- 31
- Inventors
- 66
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
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| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
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| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 2 | 2 |
| 2010 | 2 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
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| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 5 | 7 |
| 2020 | 4 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 3 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High-linearity dynamic amplifier20 Jan 2026US 12,531,531 B2Chengdu Sino Microelectronics Technology Co.,Ltd.
- Continuous-time linear equalizer of compact layout and high immunity to common-mode noise5 Jul 2022US 11,381,427 B1Realtek Semiconductor Corp.
- Amplifiers with wide input range and low input capacitance15 Feb 2022US 11,251,760 B2Analog Devices, Inc.
- Chopper amplifiers with tracking of multiple input offsets5 Oct 2021US 11,139,789 B1Analog Devices, Inc.
- Low noise differential amplifier25 Aug 2020US 10,756,680 B2Semiconductor Components Industries, LLC
- Variable gain amplification and phase shifting device and method11 Jun 2026US 2026/0163542 A1
- Operational amplifier, drive circuit, interface chip, and electronic device2 Nov 2023US 2023/0353109 A1
- High-linearity dynamic amplifier24 Aug 2023US 2023/0268898 A1Chengdu Sino Microelectronics Technology Co.,Ltd.
- Amplifier circuit, differential amplifier circuit, reception circuit, and semiconductor integrated circuit30 Mar 2023US 2023/0095506 A1Socionext Inc.
- Amplifiers with wide input range and low input capacitance25 Nov 2021US 2021/0367572 A1Analog Devices, Inc.
Most cited
By later US patents
- Differential input circuit and operational amplifier with wide common mode input voltage range69US 5,280,199 AKabushiki Kaisha Toshiba · 1994
- Low noise differential amplifier30US 4,460,872 AInventab Audio Kb · 1984
- Differential amplifier circuit with rail-to-rail capability26US 4,532,479 ASignetics Corporation · 1985
- Differential transimpedance amplifier19US 5,900,779 AVTC Inc. · 1999
- Differential data driver17US 6,069,523 ANortel Networks Limited · 2000