H04R 25/554
Using a wireless connection
Official title: {using a wireless connection, e.g. between microphone and amplifier or using Tcoils}
H04R25/554 (Using a wireless connection) appears on 2,470 US grants and 3,081 published applications in this corpus.
Search patents in H04R- Granted patents
- 2,470
- Published applications
- 3,081
- Assignees
- 455
- Inventors
- 3,004
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 13 | 0 |
| 1999 | 2 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 5 |
| 2002 | 5 | 11 |
| 2003 | 10 | 18 |
| 2004 | 14 | 35 |
| 2005 | 5 | 43 |
| 2006 | 20 | 45 |
| 2007 | 18 | 66 |
| 2008 | 26 | 46 |
| 2009 | 25 | 58 |
| 2010 | 41 | 90 |
| 2011 | 33 | 72 |
| 2012 | 66 | 86 |
| 2013 | 78 | 107 |
| 2014 | 94 | 126 |
| 2015 | 97 | 157 |
| 2016 | 149 | 157 |
| 2017 | 143 | 199 |
| 2018 | 176 | 195 |
| 2019 | 204 | 208 |
| 2020 | 231 | 223 |
| 2021 | 167 | 245 |
| 2022 | 195 | 211 |
| 2023 | 181 | 191 |
| 2024 | 170 | 178 |
| 2025 | 156 | 165 |
| 2026 | 104 | 144 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Hearing aid with wireless remote processor1,063US 5,721,783 A1998
- Wireless open ear canal earpiece473US 6,021,207 AResound Corporation · 2000
- Charging system for implantable hearing aids and tinnitus maskers369US 5,279,292 AImplex Corporation · 1994
- Hearing aid wireless network325US 7,778,432 B2GN ReSound A/S · 2010
- Personal communication device313US 6,112,103 A2000