H03H 11/1278
Modifications to reduce detrimental influences of amplifier imperfections
Official title: {Modifications to reduce detrimental influences of amplifier imperfections, e.g. limited gain-bandwith product, limited input impedance}
H03H11/1278 (Modifications to reduce detrimental influences of amplifier imperfections) appears on 8 US grants and 8 published applications in this corpus.
Search patents in H03H- Granted patents
- 8
- Published applications
- 8
- Assignees
- 8
- Inventors
- 15
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Input/output capacitance reduction with negative impedance23 Jun 2026US 12,663,886 B2Intel Corporation
- Tunable filter9 Mar 2021US 10,944,383 B2Huawei Technologies Co., Ltd.
- Methods and apparatuses for testing inductive coupling circuitry9 Jun 2020US 10,680,572 B2NXP B. V.
- Tunable filter19 Feb 2019US 10,211,811 B2Huawei Technologies Co., Ltd.
- High-pass filter circuit and band-pass filter circuit20 Mar 2018US 9,923,546 B2Ricoh Company, Ltd.
- Input/output capacitance reduction with negative impedance11 Jan 2024US 2024/0012497 A1Intel Corporation
- Tunable filter16 May 2019US 2019/0149133 A1Huawei Technologies Co., Ltd.
- Methods and apparatuses for testing inductive coupling circuitry28 Feb 2019US 2019/0068156 A1NXP B. V.
- Tunable filter30 Aug 2018US 2018/0248538 A1Huawei Technologies Co., Ltd.
- High-pass filter circuit and band-pass filter circuit13 Aug 2015US 2015/0229293 A1Ricoh Company, Ltd.
Most cited
By later US patents
- High-pass filter circuit and band-pass filter circuit31US 9,923,546 B2Ricoh Company, Ltd. · 2018
- Active filter7US 7,132,881 B2Sharp Kabushiki Kaisha · 2006
- Active filter circuit with operational amplifier6US 6,680,645 B2Micronas GmbH · 2004
- Practical active capacitor filter5US 6,943,619 B1The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 2005