H04R 2225/43
Signal processing in hearing aids to enhance the speech intelligibility
H04R2225/43 (Signal processing in hearing aids to enhance the speech intelligibility) appears on 1,107 US grants and 1,336 published applications in this corpus.
Search patents in H04R- Granted patents
- 1,107
- Published applications
- 1,336
- Assignees
- 322
- Inventors
- 1,681
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 1 |
| 2002 | 13 | 12 |
| 2003 | 9 | 11 |
| 2004 | 12 | 12 |
| 2005 | 6 | 18 |
| 2006 | 8 | 12 |
| 2007 | 7 | 14 |
| 2008 | 11 | 15 |
| 2009 | 9 | 19 |
| 2010 | 8 | 31 |
| 2011 | 8 | 32 |
| 2012 | 27 | 36 |
| 2013 | 31 | 48 |
| 2014 | 40 | 48 |
| 2015 | 59 | 52 |
| 2016 | 48 | 77 |
| 2017 | 63 | 87 |
| 2018 | 70 | 87 |
| 2019 | 83 | 73 |
| 2020 | 91 | 80 |
| 2021 | 85 | 114 |
| 2022 | 73 | 91 |
| 2023 | 82 | 84 |
| 2024 | 66 | 84 |
| 2025 | 75 | 104 |
| 2026 | 54 | 94 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hearing device with foveated bearforming and related method22 Sep 2026US 12,745,047 B2GN Hearing A/S
- Method of processing an audio signal in a hearing device22 Sep 2026US 12,745,049 B2Sonova AG
- Hearing device-based systems and methods for monitoring a listening state of a user15 Sep 2026US 12,739,576 B2Sonova AG
- Open ear system using artificial intelligence (AI) driven audio signal processing15 Sep 2026US 12,739,578 B2Legato Audio, Inc.
- Audio enhancement method and apparatus, and computer storage medium25 Aug 2026US 12,718,831 B2Orka Health Co., Ltd.
- Hearing aid with adaptive level steering8 Oct 2026US 2026/0313301 A1Oticon A/S
- Method, apparatus and system for neural network hearing aid8 Oct 2026US 2026/0313302 A1Fortell Research Inc.
- Hearing aid comprising one or more sub-band filters8 Oct 2026US 2026/0313303 A1Oticon A/S
- Adaptive Improvement For Personalized Sound Processing by a Hearing Device1 Oct 2026US 2026/0304045 A1Sonova AG
- Method of operating a hearing aid and hearing aid1 Oct 2026US 2026/0304046 A1Sivantos Pte.Ltd
Most cited
By later US patents
- Adaptive, programmable signal processing and filtering for hearing aids325US 5,027,410 AWisconsin Alumni Research Foundation · 1991
- Communication system including a hearing aid and a language translation system269US 6,157,727 ASiemens Audiologische Technik GmbH · 2000
- Adaptive, programmable signal processing hearing aid266US 4,887,299 ANicolet Instrument Corporation · 1989
- Ear terminal with microphone for voice pickup244US 6,754,359 B1Nacre AS · 2004
- Automatic gain selector for a noise suppression system229US 4,630,305 AMotorola, Inc. · 1986