H04B 1/1081
Reduction of multipath noise
Official title: {Reduction of multipath noise (by equalising H04B7/005)}
H04B1/1081 (Reduction of multipath noise) appears on 382 US grants and 358 published applications in this corpus.
Search patents in H04B- Granted patents
- 382
- Published applications
- 358
- Assignees
- 187
- Inventors
- 642
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 3 |
| 2002 | 6 | 10 |
| 2003 | 2 | 10 |
| 2004 | 9 | 10 |
| 2005 | 3 | 7 |
| 2006 | 11 | 12 |
| 2007 | 9 | 11 |
| 2008 | 5 | 8 |
| 2009 | 13 | 15 |
| 2010 | 8 | 6 |
| 2011 | 10 | 20 |
| 2012 | 13 | 7 |
| 2013 | 15 | 19 |
| 2014 | 19 | 23 |
| 2015 | 30 | 29 |
| 2016 | 18 | 24 |
| 2017 | 31 | 20 |
| 2018 | 19 | 24 |
| 2019 | 20 | 26 |
| 2020 | 33 | 17 |
| 2021 | 17 | 16 |
| 2022 | 9 | 18 |
| 2023 | 16 | 6 |
| 2024 | 8 | 7 |
| 2025 | 7 | 6 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method of noise reduction7 Apr 2026US 12,597,954 B2Aeronix, Inc.
- Reducing signal interference24 Mar 2026US 12,587,223 B1NVIDIA Corporation
- Rate splitting for multiple input multiple output communications17 Feb 2026US 12,556,234 B2QUALCOMM Incorporated
- Electronic device with millimeter wave antennas30 Dec 2025US 12,512,864 B2
- Controlling reflected signals2 Dec 2025US 12,489,481 B2Comcast Cable Communications, LLC
- Reducing signal interference9 Jul 2026US 2026/0197018 A1NVIDIA Corporation
- Controlling Reflected Signals4 Jun 2026US 2026/0155853 A1Comcast Cable Communications, LLC
- Dynamic switching of a receiver operating mode7 May 2026US 2026/0128755 A1QUALCOMM Incorporated
- Method and apparatus for tracking direct sequence spread spectrum signal in fractional fourier domain19 Mar 2026US 2026/0081643 A1AUROXAT Inc.
- System and method of noise reduction6 Nov 2025US 2025/0343567 A1Aeronix, Inc.
Most cited
By later US patents
- Spatio-temporal processing for communication580US 6,144,711 ACisco Systems, Inc. · 2000
- Dual mode communications device and methods for use therewith426US 10,062,970 B1AT&T Intellectual Property I, L. P. · 2018
- Spatio-temporal processing for interference handling318US 6,452,981 B1Cisco Systems, Inc. · 2002
- Transmitter incorporating spatio-temporal processing164US 6,377,631 B1Cisco Systems, Inc. · 2002
- Spatio-temporal processing for communication155US 6,888,899 B2Cisco Technology, Inc. · 2005