H04R 25/40
Arrangements for obtaining a desired directivity characteristic
Official title: {Arrangements for obtaining a desired directivity characteristic}
H04R25/40 (Arrangements for obtaining a desired directivity characteristic) appears on 1,336 US grants and 1,552 published applications in this corpus.
Search patents in H04R- Granted patents
- 1,336
- Published applications
- 1,552
- Assignees
- 368
- Inventors
- 1,886
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 8 |
| 2002 | 9 | 28 |
| 2003 | 16 | 25 |
| 2004 | 18 | 38 |
| 2005 | 15 | 42 |
| 2006 | 31 | 21 |
| 2007 | 27 | 45 |
| 2008 | 24 | 33 |
| 2009 | 17 | 48 |
| 2010 | 21 | 47 |
| 2011 | 25 | 39 |
| 2012 | 53 | 41 |
| 2013 | 48 | 50 |
| 2014 | 50 | 66 |
| 2015 | 55 | 63 |
| 2016 | 80 | 76 |
| 2017 | 77 | 76 |
| 2018 | 81 | 101 |
| 2019 | 87 | 79 |
| 2020 | 90 | 78 |
| 2021 | 82 | 113 |
| 2022 | 87 | 93 |
| 2023 | 84 | 89 |
| 2024 | 65 | 92 |
| 2025 | 81 | 85 |
| 2026 | 56 | 76 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ear-worn device with neural network-based noise modification and/or spatial focusing29 Sep 2026US 12,750,623 B2Fortell Research Inc.
- Hearing device with foveated bearforming and related method22 Sep 2026US 12,745,047 B2GN Hearing A/S
- Microphone assembly and method for providing hearing assistance with optimized directivity22 Sep 2026US 12,745,048 B2Sonova AG
- Audio playback management of multiple concurrent connections15 Sep 2026US 12,738,966 B2Sonos, Inc.
- Magnified binaural cues in a binaural hearing system15 Sep 2026US 12,739,573 B2Cochlear Limited
- Feedback Canceller in a Hearing Assistance System8 Oct 2026US 2026/0313299 A1Legato Audio, Inc.
- Method and system for use of hearing prosthesis for linguistic evaluation1 Oct 2026US 2026/0295254 A1Cochlear Limited
- Hearing aid or hearing aid system comprising a sound source localization estimator24 Sep 2026US 2026/0292409 A1Oticon A/S
- Hearing aid comprising a combined feedback and active noise cancellation system24 Sep 2026US 2026/0292410 A1Oticon A/S
- Implantable microphone management17 Sep 2026US 2026/0281613 A1Cochlear Limited
Most cited
By later US patents
- Hearing aid having plural microphones and a microphone switching system227US 5,524,056 AEtymotic Research, Inc. · 1996
- Filterbank structure and method for filtering and separating an information signal into different bands, particularly for audio signal in hearing aids227US 6,236,731 B1dspfactory Ltd. · 2001
- Apparatus for and method of filtering in an digital hearing aid, including an application specific integrated circuit and a programmable digital signal processor212US 6,240,192 B1dspfactory Ltd. · 2001
- Biocompatible fully implantable hearing aid transducers207US 6,068,589 A2000
- Directional self containing ear mounted hearing aid204US 3,983,336 A1976