H04R 1/406
Microphones
Official title: {microphones}
H04R1/406 (Microphones) appears on 3,162 US grants and 3,574 published applications in this corpus.
Search patents in H04R- Granted patents
- 3,162
- Published applications
- 3,574
- Assignees
- 970
- Inventors
- 5,722
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 8 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 4 |
| 2002 | 5 | 15 |
| 2003 | 8 | 14 |
| 2004 | 10 | 17 |
| 2005 | 6 | 18 |
| 2006 | 17 | 20 |
| 2007 | 11 | 31 |
| 2008 | 8 | 31 |
| 2009 | 11 | 48 |
| 2010 | 17 | 38 |
| 2011 | 24 | 46 |
| 2012 | 54 | 56 |
| 2013 | 38 | 60 |
| 2014 | 54 | 62 |
| 2015 | 60 | 86 |
| 2016 | 101 | 113 |
| 2017 | 125 | 148 |
| 2018 | 159 | 256 |
| 2019 | 272 | 349 |
| 2020 | 336 | 356 |
| 2021 | 323 | 387 |
| 2022 | 355 | 367 |
| 2023 | 346 | 354 |
| 2024 | 309 | 270 |
| 2025 | 287 | 241 |
| 2026 | 151 | 187 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Personalized, real-time audio processing6 Oct 2026US 12,755,748 B2eBay Inc.
- Coordination of audio devices29 Sep 2026US 12,750,621 B2Dolby International AB
- Playback transitions22 Sep 2026US 12,745,052 B2Sonos, Inc.
- Acoustic detection of disguised vehicles15 Sep 2026US 12,736,395 B2Oracle International Corporation
- Adaptive beam cancellation15 Sep 2026US 12,739,564 B1Amazon Technologies, Inc.
- Earphone8 Oct 2026US 2026/0313280 A1Shenzhen Dancing Future Technology Ltd.
- Acoustic imaging systems for visual diagnosis8 Oct 2026US 2026/0313307 A1Fluke Corporation
- Diagnosis system for vehicle components1 Oct 2026US 2026/0298773 A1Magic Engineering Srl
- Robust voice activity detector system for use with an earphone1 Oct 2026US 2026/0299875 A1ST DetectTech, LLC
- Sound extraction method, sound extraction system, and program1 Oct 2026US 2026/0301762 A1KYOCERA Corporation
Most cited
By later US patents
- Sound localization system for teleconferencing using self-steering microphone arrays423US 5,335,011 ABell Communications Research, Inc. · 1994
- Electronic apparatus having microphones with controllable front-side gain and rear-side gain331US 8,300,845 B2Motorola Mobility LLC · 2012
- Multimedia personal computer with active noise reduction and piezo speakers298US 5,828,768 ANoise Cancellation Technologies, Inc. · 1998
- Acoustic source location using a microphone array278US 6,469,732 B1VTEL Corporation · 2002
- Directed audio for speech recognition264US 9,076,450 B1Amazon Technologies, Inc. · 2015