H04H 40/72
For noise suppression
Official title: for noise suppression
H04H40/72 (For noise suppression) appears on 92 US grants and 40 published applications in this corpus.
Search patents in H04H- Granted patents
- 92
- Published applications
- 40
- Assignees
- 47
- Inventors
- 117
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 4 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 2 | 1 |
| 2011 | 3 | 2 |
| 2012 | 4 | 3 |
| 2013 | 1 | 5 |
| 2014 | 3 | 5 |
| 2015 | 7 | 2 |
| 2016 | 3 | 0 |
| 2017 | 2 | 2 |
| 2018 | 4 | 1 |
| 2019 | 0 | 1 |
| 2020 | 4 | 2 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Radio apparatus for a vehicle and a control method thereof22 Sep 2026US 12,744,609 B2Hyundai Motor Company
- Methods, circuits, systems and apparatus providing audio sensitivity enhancement in a wireless receiver, power management and other performances27 Aug 2024US 12,074,622 B2Texas Instruments Incorporated
- Methods, circuits, systems and apparatus providing audio sensitivity enhancement in a wireless receiver, power management and other performances4 Jul 2023US 11,695,440 B2Texas Instruments Incorporated
- Methods, circuits, systems and apparatus providing audio sensitivity enhancement in a wireless receiver, power management and other performances28 Dec 2021US 11,211,959 B2Texas Instruments Incorporated
- Methods, circuits, systems and apparatus providing audio sensitivity enhancement in a wireless receiver, power management and other performances19 Jan 2021US 10,897,278 B2Texas Instruments Incorporated
- Radio apparatus for a vehicle and a control method thereof11 Dec 2025US 2025/0379674 A1Hyundai Motor Company
- Methods, circuits, systems and apparatus providing audio sensitivity enhancement in a wireless receiver, power management and other performances7 Nov 2024US 2024/0372573 A1Texas Instruments Incorporated
- Methods, circuits, systems and apparatus providing audio sensitivity enhancement in a wireless receiver, power management and other performances19 Oct 2023US 2023/0336200 A1Texas Instruments Incorporated
- Methods, circuits, systems and apparatus providing audio sensitivity enhancement in a wireless receiver, power management and other performances30 Jun 2022US 2022/0209807 A1Texas Instruments Incorporated
- Methods, circuits, systems and apparatus providing audio sensitivity enhancement in a wireless receiver, power management and other performances22 Oct 2020US 2020/0336163 A1Texas Instruments Incorporated
Most cited
By later US patents
- Diversity radio system with RDS35US 6,141,536 AVisteon Global Technologies, Inc. · 2000
- Sound multiplex receiver25US 4,703,501 APioneer Electronic Corporation · 1987
- Pulsive noise removing apparatus19US 4,419,541 ASanyo Electric Co., Ltd. · 1983
- Pulsive noise removing apparatus for an FM receiver17US 4,066,845 ASanyo Electric Co., Ltd. · 1978
- Differential stereo using two coding techniques15US 6,741,965 B1Sony Corporation · 2004