H03H 11/0472
Current or voltage controlled filters
Official title: {Current or voltage controlled filters}
H03H11/0472 (Current or voltage controlled filters) appears on 109 US grants and 72 published applications in this corpus.
Search patents in H03H- Granted patents
- 109
- Published applications
- 72
- Assignees
- 81
- Inventors
- 195
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 2 |
| 2002 | 2 | 0 |
| 2003 | 2 | 4 |
| 2004 | 2 | 1 |
| 2005 | 2 | 9 |
| 2006 | 5 | 4 |
| 2007 | 4 | 6 |
| 2008 | 6 | 4 |
| 2009 | 4 | 3 |
| 2010 | 6 | 4 |
| 2011 | 3 | 4 |
| 2012 | 0 | 4 |
| 2013 | 6 | 6 |
| 2014 | 5 | 3 |
| 2015 | 1 | 2 |
| 2016 | 7 | 5 |
| 2017 | 4 | 3 |
| 2018 | 3 | 0 |
| 2019 | 2 | 1 |
| 2020 | 3 | 0 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Calibration method and tuning method for on-chip differential active RC filter5 Aug 2025US 12,381,538 B2South China University of Technology
- Transconductor circuits with programmable tradeoff between bandwidth and flicker noise31 Jan 2023US 11,569,797 B2Analog Devices, Inc.
- Noise filter12 Jul 2022US 11,387,811 B2Semiconductor Components Industries, LLC
- Complementary current-mode biquad with high linearity5 Apr 2022US 11,296,678 B1QUALCOMM Incorporated
- Reconfigurable analog filter and integrated circuit including the same26 Oct 2021US 11,159,146 B2Samsung Electronics Co., Ltd.
- Bandpass filter18 Jun 2026US 2026/0172004 A1Mitsubishi Electric Corporation
- High- and low-pass network circuit with integrated amplitude-phase regulation and control method thereof30 Oct 2025US 2025/0337392 A138th Research Institute, China Electronics Technology Group Corporation
- Voltage and current generator28 Nov 2024US 2024/0396529 A1Yokogawa Electric Corporation
- Calibration method and tuning method for on-chip differential active rc filter18 Jul 2024US 2024/0243731 A1South China University of Technology
- Noise filter21 Apr 2022US 2022/0123734 A1Semiconductor Components Industries, LLC
Most cited
By later US patents
- Method for time constant tuning of gm-C filters104US 6,084,465 ATritech Microelectronics, Ltd. · 2000
- Integration circuit including a differential amplifier having a variable transconductance55US 5,384,501 AKabushiki Kaisha Toshiba · 1995
- Tuning method for integrated continuous-time filters43US 5,625,317 ATexas Instruments Incorporated · 1997
- Continuous time filter with programmable bandwidth and tuning loop37US 5,912,583 ATexas Instruments Incorporated · 1999
- Tunable resonance amplifier35US 5,220,686 AU. S. Philips Corporation · 1993