H03H 17/0266
Filter banks
Official title: {Filter banks}
H03H17/0266 (Filter banks) appears on 233 US grants and 176 published applications in this corpus.
Search patents in H03H- Granted patents
- 233
- Published applications
- 176
- Assignees
- 114
- Inventors
- 297
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 10 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 3 |
| 2003 | 3 | 12 |
| 2004 | 4 | 8 |
| 2005 | 7 | 8 |
| 2006 | 10 | 2 |
| 2007 | 5 | 5 |
| 2008 | 7 | 6 |
| 2009 | 10 | 9 |
| 2010 | 3 | 9 |
| 2011 | 5 | 6 |
| 2012 | 9 | 5 |
| 2013 | 11 | 2 |
| 2014 | 9 | 8 |
| 2015 | 4 | 7 |
| 2016 | 11 | 10 |
| 2017 | 22 | 18 |
| 2018 | 13 | 11 |
| 2019 | 8 | 4 |
| 2020 | 8 | 12 |
| 2021 | 6 | 6 |
| 2022 | 4 | 6 |
| 2023 | 9 | 6 |
| 2024 | 13 | 6 |
| 2025 | 3 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for finite impulse response filter under constrained sampling rate2 Jun 2026US 12,647,105 B2Jabil Inc.
- System for detecting QRS complexes in an electrocardiogramy (ECG) signal24 Mar 2026US 12,582,341 B2Vios Medical, Inc.
- Adaptive filter circuit having low complexity and flexible structure and device including the same2 Sep 2025US 12,407,547 B2Samsung Electronics Co., Ltd.
- Matrix decomposition structure of two-channel quadrature mirror filter bank and coefficient design method thereof29 Jul 2025US 12,375,066 B1Hangzhou Dianzi University
- Low latency audio filterbank having improved frequency resolution4 Feb 2025US 12,218,643 B2Dolby Laboratories Licensing Corporation
- Detecting and capturing event data in a time series sensor signal30 Jul 2026US 2026/0219661 A1Eaton Intelligent Power Limited
- Device for reducing noise during the reproduction of an audio signal using a headphone or hearing aid, and corresponding method9 Oct 2025US 2025/0316256 A1Elevear GmbH
- Digital signal processing system for achieving improved filter bank computation performance with the aid of data arrangement in memory3 Jul 2025US 2025/0219619 A1Mediatek Inc.
- Digital filterbank for spectral envelope adjustment29 May 2025US 2025/0174241 A1Dolby International AB
- Low latency audio filterbank with improved frequency resolution20 Mar 2025US 2025/0096778 A1Dolby Laboratories Licensing Corporation
Most cited
By later US patents
- Filterbank structure and method for filtering and separating an information signal into different bands, particularly for audio signal in hearing aids227US 6,236,731 B1dspfactory Ltd. · 2001
- Audio signal encoding or decoding139US 7,519,538 B2Koninklijke Philips Electronics N. V. · 2009
- Signal analysing and synthesizing filter bank system123US 4,799,179 ATelecommunications Radioelectriques et Telephoniques T. R. T. · 1989
- Hybrid filter bank analog/digital converter123US 5,568,142 AMassachusetts Institute of Technology · 1996
- Multiple block-size transform video coding using an asymmetric sub-band structure115US 5,097,331 ABell Communications Research, Inc. · 1992