H04R 25/609
Of circuitry
Official title: {of circuitry (of electronic switches or control elements H04R25/603)}
H04R25/609 (Of circuitry) appears on 532 US grants and 655 published applications in this corpus.
Search patents in H04R- Granted patents
- 532
- Published applications
- 655
- Assignees
- 125
- Inventors
- 909
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 4 |
| 2002 | 8 | 4 |
| 2003 | 6 | 12 |
| 2004 | 11 | 8 |
| 2005 | 4 | 11 |
| 2006 | 7 | 10 |
| 2007 | 7 | 14 |
| 2008 | 6 | 12 |
| 2009 | 4 | 15 |
| 2010 | 9 | 19 |
| 2011 | 8 | 20 |
| 2012 | 18 | 8 |
| 2013 | 18 | 17 |
| 2014 | 17 | 15 |
| 2015 | 11 | 27 |
| 2016 | 23 | 20 |
| 2017 | 17 | 23 |
| 2018 | 22 | 34 |
| 2019 | 28 | 17 |
| 2020 | 22 | 36 |
| 2021 | 23 | 55 |
| 2022 | 45 | 71 |
| 2023 | 51 | 56 |
| 2024 | 52 | 50 |
| 2025 | 42 | 54 |
| 2026 | 29 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hearing aid with internal antenna6 Oct 2026US 12,756,982 B2Oticon A/S
- Antenna designs for hearing instruments15 Sep 2026US 12,738,635 B2Starkey Laboratories, Inc.
- Customized wireless earphone18 Aug 2026US 12,713,169 B2Earweiss Technology (Shenzhen) Co., Ltd
- System and method for enhancing speech of target speaker from audio signal in an ear-worn device using voice signatures18 Aug 2026US 12,713,188 B2Fortell Research Inc.
- Method at a binaural hearing device system and a binaural hearing device system11 Aug 2026US 12,707,208 B2GN Hearing A/S
- A wearable electronic device comprising an rf antenna8 Oct 2026US 2026/0306856 A1Uneeg Medical A/S
- Hearing device and battery unit for a hearing device8 Oct 2026US 2026/0313305 A1GN Hearing A/S
- Hearing device incorporating conformal folded antenna1 Oct 2026US 2026/0304050 A1Starkey Laboratories, Inc.
- Hearing aid or hearing aid system comprising a sound source localization estimator24 Sep 2026US 2026/0292409 A1Oticon A/S
- Hearing assistance devices with control of other devices24 Sep 2026US 2026/0292416 A1Starkey Laboratories, Inc.
Most cited
By later US patents
- Mass production auditory canal hearing aid274US 4,870,688 A1989
- Modular in-the-ear hearing aid258US 4,069,400 AUnited States Surgical Corporation · 1978
- Disposable modular hearing aid249US 7,113,611 B2Sarnoff Corporation · 2006
- Hearing aid234US 7,010,137 B1Sarnoff Corporation · 2006
- Articulated hearing device223US 5,701,348 ADecibel Instruments, Inc. · 1997