H03H 2222/00
Indexing scheme relating to digital filtering methods
H03H2222/00 (Indexing scheme relating to digital filtering methods) appears on 29 US grants and 11 published applications in this corpus.
Search patents in H03H- Granted patents
- 29
- Published applications
- 11
- Assignees
- 21
- Inventors
- 43
- Latest grant
- 5 Jan 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Security system using a convolutional neural network with pruned filters5 Jan 2021US 10,885,437 B2NEC Corporation
- Passive pruning of filters in a convolutional neural network10 Nov 2020US 10,832,136 B2NEC Corporation
- Fuzzy entropy based noisy signal processing method and iterative singular spectrum analysis soft threshold de-noising method23 Jul 2019US 10,361,680 B2Hwashen Electronics Co., Ltd.
- Linear phase FIR biorthogonal wavelet filters with complementarity for image noise reduction22 Nov 2016US 9,503,054 B2Avago Technolgies General IP (Singapore) Pte. Ltd.
- Filter banks for enhancing signals using oversampled subband transforms31 Dec 2013US 8,620,979 B2Zoran (France) S.A.
- Fuzzy entropy based noisy signal processing method and iterative singular spectrum analysis soft threshold de-noising method17 May 2018US 2018/0138896 A1Hwashen Electronics Co., Ltd.
- Security system using a convolutional neural network with pruned filters23 Nov 2017US 2017/0337467 A1NEC Laboratories America, Inc.
- Passive pruning of filters in a convolutional neural network23 Nov 2017US 2017/0337471 A1NEC Laboratories America, Inc.
- Linear phase fir biorthogonal wavelet filters with complementarity for image noise reduction18 Sep 2014US 2014/0280417 A1LSI Corporation
- Filter banks for enhancing signals using oversampled subband transforms7 Oct 2010US 2010/0253447 A1Zoran (France) S.A.
Most cited
By later US patents
- Asynchronous temporal neural processing element156US 5,355,435 ANew Mexico State University Technology Transfer Corporation · 1994
- Neural network method and apparatus for retrieving signals embedded in noise and analyzing the retrieved signals96US 5,402,520 A1995
- Optimal filtering by neural networks with range extenders and/or reducers77US 5,649,065 AMaryland Technology Corporation · 1997
- Digital group delay compensator57US 7,050,918 B2LeCroy Corporation · 2006
- Method and system for training dynamic nonlinear adaptive filters which have embedded memory47US 6,351,740 B1The Board of Trustees of the Leland Stanford Junior University · 2002