H03H 17/0227
Measures concerning the coefficients
Official title: {Measures concerning the coefficients}
H03H17/0227 (Measures concerning the coefficients) appears on 103 US grants and 71 published applications in this corpus.
Search patents in H03H- Granted patents
- 103
- Published applications
- 71
- Assignees
- 99
- Inventors
- 201
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 2 |
| 2004 | 3 | 3 |
| 2005 | 0 | 3 |
| 2006 | 4 | 4 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 2 | 3 |
| 2010 | 2 | 2 |
| 2011 | 2 | 2 |
| 2012 | 2 | 2 |
| 2013 | 2 | 1 |
| 2014 | 4 | 0 |
| 2015 | 1 | 2 |
| 2016 | 2 | 6 |
| 2017 | 4 | 1 |
| 2018 | 4 | 4 |
| 2019 | 4 | 7 |
| 2020 | 5 | 6 |
| 2021 | 4 | 5 |
| 2022 | 5 | 4 |
| 2023 | 4 | 3 |
| 2024 | 2 | 2 |
| 2025 | 1 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Horner form arbitrary coefficient multiplierless fir filter13 Jan 2026US 12,525,962 B2The Boeing Company
- Dynamic current-mode finite impulse response filter19 Aug 2025US 12,395,155 B2Northrop Grumman Systems Corporation
- High-rate decimation filter with low hardware complexity7 May 2024US 11,979,131 B2Hughes Network Systems, LLC
- Filter device6 Feb 2024US 11,894,822 B2Mitsubishi Electric Corporation
- Configurable multiplier-free multirate filter23 May 2023US 11,658,643 B2Raytheon Company
- Compensation filter circuit17 Sep 2026US 2026/0280532 A1STMicroelectronics International N. V.
- Electronic filter16 Oct 2025US 2025/0323629 A1NXP USA, Inc.
- Horner form arbitrary coefficient multiplierless fir filter2 Oct 2025US 2025/0309866 A1The Boeing Company
- Dynamic current-mode finite impulse response filter26 Jun 2025US 2025/0211207 A1Northrop Grumman Systems Corporation
- Filtering device and method30 May 2024US 2024/0178817 A1
Most cited
By later US patents
- System for dynamically adapting the length of a filter82US 5,909,384 AConexant Systems, Inc. · 1999
- Data compression system and method for audio signals57US 4,802,222 ASRI International · 1989
- Decimation filter as for a sigma-delta analog-to-digital converter50US 5,027,306 A1991
- Method and apparatus for implementing a digital filter employing coefficients expressed as sums of 2 to an integer power50US 5,287,299 AMonolith Technologies Corporation · 1994
- Programmable canonic signed digit filter chip45US 5,262,974 ATRW Inc. · 1993