H03H 17/0286
Combinations of filter structures
Official title: {Combinations of filter structures}
H03H17/0286 (Combinations of filter structures) appears on 168 US grants and 90 published applications in this corpus.
Search patents in H03H- Granted patents
- 168
- Published applications
- 90
- Assignees
- 118
- Inventors
- 264
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 2 |
| 2002 | 10 | 11 |
| 2003 | 8 | 5 |
| 2004 | 4 | 9 |
| 2005 | 5 | 6 |
| 2006 | 6 | 4 |
| 2007 | 8 | 3 |
| 2008 | 5 | 3 |
| 2009 | 1 | 0 |
| 2010 | 3 | 2 |
| 2011 | 1 | 3 |
| 2012 | 0 | 4 |
| 2013 | 3 | 1 |
| 2014 | 4 | 1 |
| 2015 | 2 | 3 |
| 2016 | 4 | 4 |
| 2017 | 1 | 2 |
| 2018 | 3 | 1 |
| 2019 | 4 | 4 |
| 2020 | 3 | 3 |
| 2021 | 8 | 6 |
| 2022 | 4 | 7 |
| 2023 | 6 | 1 |
| 2024 | 1 | 4 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Signal processing apparatus for generating a plurality of output samples using combiner logic based on a hiearchical tree structure29 Sep 2026US 12,750,040 B2Advantest Corporation
- Cascadable filter architecture11 Mar 2025US 12,249,970 B2Imec Vzw
- Active multi-pole filter9 Apr 2024US 11,955,942 B2Anlotek Limited
- Signal processing system and signal processing method27 Jun 2023US 11,687,474 B2Rohde & Schwarz GmbH & Co.KG
- Near-zero latency analog bi-quad infinite impulse response filter27 Jun 2023US 11,689,393 B1The Boeing Company
- Method for realizing speaker array-oriented multiple filter system, device, and computer-readable storage medium17 Apr 2025US 2025/0125791 A1AAC Acoustic Technologies (Shanghai) Co., Ltd.
- Multi-loop signal processing12 Dec 2024US 2024/0413844 A1Anlotek Limited
- Circuitry for Measurement of Electrochemical Cells12 Sep 2024US 2024/0305119 A1Cirrus Logic International Semiconductor Ltd.
- In-memory analog channel equalization4 Apr 2024US 2024/0113698 A1Intel Corporation
- Filter unit and filter array25 Jan 2024US 2024/0030899 A1Sanechips Tecnology Co., Ltd
Most cited
By later US patents
- Signature filter system544US 4,944,036 A1990
- Liquid crystal display having conductive cooling174US 5,432,526 A1995
- Sampling frequency converter149US 4,472,785 AVictor Company of Japan, Ltd. · 1984
- Apparatus and method for a combination D/A converter and FIR filter employing active current division from a single current source98US 5,995,030 AAdvanced Micro Devices, Inc. · 1999
- Efficient and scalable FIR filter architecture for decimation98US 6,260,053 B1Cirrus Logic, Inc. · 2001