H04R 25/604
Of acoustic or vibrational transducers
Official title: {of acoustic or vibrational transducers}
H04R25/604 (Of acoustic or vibrational transducers) appears on 2,183 US grants and 2,550 published applications in this corpus.
Search patents in H04R- Granted patents
- 2,183
- Published applications
- 2,550
- Assignees
- 483
- Inventors
- 2,657
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 11 | 0 |
| 1989 | 11 | 0 |
| 1990 | 8 | 0 |
| 1991 | 11 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 10 | 0 |
| 1996 | 10 | 0 |
| 1997 | 6 | 0 |
| 1998 | 19 | 0 |
| 1999 | 22 | 0 |
| 2000 | 23 | 0 |
| 2001 | 24 | 15 |
| 2002 | 22 | 34 |
| 2003 | 35 | 29 |
| 2004 | 29 | 51 |
| 2005 | 15 | 42 |
| 2006 | 35 | 48 |
| 2007 | 32 | 56 |
| 2008 | 30 | 46 |
| 2009 | 18 | 100 |
| 2010 | 48 | 71 |
| 2011 | 39 | 82 |
| 2012 | 73 | 82 |
| 2013 | 67 | 99 |
| 2014 | 88 | 114 |
| 2015 | 93 | 119 |
| 2016 | 100 | 118 |
| 2017 | 105 | 138 |
| 2018 | 118 | 142 |
| 2019 | 129 | 116 |
| 2020 | 130 | 131 |
| 2021 | 129 | 203 |
| 2022 | 140 | 172 |
| 2023 | 157 | 171 |
| 2024 | 126 | 145 |
| 2025 | 136 | 121 |
| 2026 | 73 | 105 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Open ear system using artificial intelligence (AI) driven audio signal processing15 Sep 2026US 12,739,578 B2Legato Audio, Inc.
- Binaural loudness cue preservation in bimodal hearing systems8 Sep 2026US 12,728,265 B2Cochlear Limited
- Distributed implantable hearing systems8 Sep 2026US 12,728,269 B2Cochlear Limited
- Housing arrangements for magnet rotation1 Sep 2026US 12,722,017 B2Cochlear Limited
- Bone conduction speaker and earphone1 Sep 2026US 12,726,768 B2Shenzhen Shokz Co., Ltd.
- 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 an activation element24 Sep 2026US 2026/0292415 A1Oticon A/S
- Hearing assistance devices with control of other devices24 Sep 2026US 2026/0292416 A1Starkey Laboratories, Inc.
Most cited
By later US patents
- Method for optimally positioning and securing the external unit of a transcutaneous transducer of the skin of a living body482US 5,545,191 AAlfred E. Mann Foundation for Scientific Research · 1996
- Charging system for implantable hearing aids and tinnitus maskers369US 5,279,292 AImplex Corporation · 1994
- Wide audio bandwidth transduction method and device365US 6,631,197 B1GN ReSound North America Corporation · 2003
- Ear microphone340US 4,588,867 A1986
- Electromechanical transducer for implantable hearing aids311US 5,277,694 AImplex Corporation · 1994