H03H 11/1204
Distributed rc filters
Official title: {Distributed RC filters}
H03H11/1204 (Distributed rc filters) appears on 30 US grants and 28 published applications in this corpus.
Search patents in H03H- Granted patents
- 30
- Published applications
- 28
- Assignees
- 28
- Inventors
- 65
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 2 | 2 |
| 2018 | 4 | 4 |
| 2019 | 4 | 2 |
| 2020 | 2 | 3 |
| 2021 | 4 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 3 |
| 2025 | 2 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oscillator with a multiple pole resonator14 Apr 2026US 12,603,610 B2Anlotek Limited
- Canonical lowpass filter with digitally programmable cutoff frequency settings using current followers16 Dec 2025US 12,500,575 B2King Fahd University of Petroleum and Minerals
- Calibration method and tuning method for on-chip differential active RC filter5 Aug 2025US 12,381,538 B2South China University of Technology
- Wideband current-mode low-pass filter circuits8 Oct 2024US 12,113,499 B2QUALCOMM Incorporated
- Amplifier circuit with high-order damping circuit and the high-order damping circuit7 Dec 2021US 11,196,387 B2Mediatek Inc.
- Notch filter circuit with all-pass filter for independent control of filter gain and quality factor6 Aug 2026US 2026/0230062 A1QUALCOMM Incorporated
- Low-Pass Filter Circuitry8 Jan 2026US 2026/0012159 A1Apple Inc.
- Semiconductor device23 Oct 2025US 2025/0331291 A1Nuvoton Technology Corporation Japan
- Canonical lowpass filter with digitally programmable cutoff frequency settings using current followers4 Sep 2025US 2025/0279767 A1King Fahd University of Petroleum and Minerals
- Estimation of the cut-off frequency of an electronic filter19 Sep 2024US 2024/0313868 A1Nordic Semiconductor ASA
Most cited
By later US patents
- Quadrature modulator with integrated distributed RC filters90US 5,530,722 AEricsson GE Mobile Communications Inc. · 1996
- Integrated distributed RC low-pass filters64US 5,629,655 AEricsson Inc. · 1997
- High-pass filter circuit and band-pass filter circuit31US 9,923,546 B2Ricoh Company, Ltd. · 2018
- Analog RC active filter16US 4,560,963 AU. S. Philips Corporation · 1985
- Integrated CRC filter circuit10US 4,399,417 ABell Telephone Laboratories, Incorporated · 1983