H04R 25/04
Comprising pocket amplifiers
Official title: comprising pocket amplifiers
H04R25/04 (Comprising pocket amplifiers) appears on 33 US grants and 44 published applications in this corpus.
Search patents in H04R- Granted patents
- 33
- Published applications
- 44
- Assignees
- 26
- Inventors
- 72
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 3 |
| 2014 | 1 | 4 |
| 2015 | 3 | 7 |
| 2016 | 7 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 2 | 3 |
| 2020 | 3 | 3 |
| 2021 | 2 | 2 |
| 2022 | 2 | 2 |
| 2023 | 2 | 1 |
| 2024 | 2 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Smart phone network for hearing impaired18 Aug 2026US 12,712,964 B2T-Mobile Innovations LLC
- Mobile device that provides sound enhancement for hearing device23 Sep 2025US 12,425,781 B2Starkey Laboratories, Inc.
- Media system and method of accommodating hearing loss using a personalized audio filter6 Aug 2024US 12,058,494 B2Apple Inc.
- Mobile hearing aid having foldable earphone and howling prevention circuit2 Jul 2024US 12,028,682 B2
- Hearing protection device, hearing protection system, and related method5 Dec 2023US 11,838,718 B2GN Hearing A/S
- Mobile device that provides sound enhancement for hearing device19 Mar 2026US 2026/0082165 A1Starkey Laboratories, Inc.
- Audio Enhancement Processing for Ambient Sound5 Feb 2026US 2026/0040001 A1Sonitum Inc.
- Smart phone network for hearing impaired28 Nov 2024US 2024/0396991 A1T-Mobile Innovations LLC
- Assistive listening device and system and method for providing hearing assistance17 Oct 2024US 2024/0348963 A1Sonova AG
- Mobile hearing aid having foldable earphone and howling prevention circuit8 Feb 2024US 2024/0048918 A1
Most cited
By later US patents
- Hearing aid with wireless remote processor1,063US 5,721,783 A1998
- Electronic hearing aid with gain control means for eliminating low frequency noise47US 4,837,832 A1989
- Hearing system and finger ring for the hearing system28US 9,020,170 B2Finewell Co., Ltd. · 2015
- Pocket hearing aid with slideable mechanism for battery replacement and access openings15US 4,152,551 AMinisonic AG · 1979
- Portable communication apparatus15US 4,472,603 A1984