H03H 11/0466
Filters combining transconductance amplifiers with other active elements
Official title: {Filters combining transconductance amplifiers with other active elements, e.g. operational amplifiers, transistors, voltage conveyors}
H03H11/0466 (Filters combining transconductance amplifiers with other active elements) appears on 36 US grants and 23 published applications in this corpus.
Search patents in H03H- Granted patents
- 36
- Published applications
- 23
- Assignees
- 27
- Inventors
- 74
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 3 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 4 | 1 |
| 2016 | 2 | 3 |
| 2017 | 1 | 1 |
| 2018 | 1 | 3 |
| 2019 | 3 | 1 |
| 2020 | 3 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
| 2023 | 2 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Baseband filter for current-mode signal path7 Oct 2025US 12,438,525 B2International Business Machines Corporation
- Baseband filter for current-mode signal path22 Aug 2023US 11,736,091 B2International Business Machines Corporation
- Notch filter with successive windowed integrations, related band-pass filtering device, frequency detection system and processing method7 Feb 2023US 11,575,399 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Reconfigurable analog filter and integrated circuit including the same26 Oct 2021US 11,159,146 B2Samsung Electronics Co., Ltd.
- Impedance converter to achieve negative capacitance and/or negative inductance for radio frequency front end matching29 Sep 2020US 10,790,805 B2QUALCOMM Incorporated
- Semiconductor Device And Electronic Apparatus4 Apr 2024US 2024/0113674 A1Seiko Epson Corporation
- Baseband filter for current-mode signal path14 Sep 2023US 2023/0291390 A1International Business Machines Corporation
- Baseband filter for current-mode signal path22 Jun 2023US 2023/0198505 A1International Business Machines Corporation
- Notch filter with successive windowed integrations, related band-pass filtering device, frequency detection system and processing method21 Apr 2022US 2022/0123771 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- N-path bandstop filter with extended spurious-free upper passband15 Jul 2021US 2021/0218382 A1BAE Systems Information and Electronic Systems Integration Inc.
Most cited
By later US patents
- Universal active filter83US 5,317,217 ADeutsche Thomson-Brandt GmbH · 1994
- Circuit technique that sets transconductance25US 5,559,470 AMicro Linear Corporation · 1996
- Slimmer circuit technique20US 5,283,483 AMicro Linear Corporation · 1994
- Integrator with high gain and fast transient response20US 6,677,799 B1Analog Devices, Inc. · 2004
- Integrator with high gain and fast transient response17US 6,819,168 B1Analog Devices, Inc. · 2004