H04R 19/04
Microphones
Official title: Microphones (H04R19/01 takes precedence)
H04R19/04 (Microphones) appears on 2,029 US grants and 2,404 published applications in this corpus.
Search patents in H04R- Granted patents
- 2,029
- Published applications
- 2,404
- Assignees
- 494
- Inventors
- 2,500
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 6 | 16 |
| 2003 | 4 | 18 |
| 2004 | 12 | 11 |
| 2005 | 11 | 20 |
| 2006 | 10 | 39 |
| 2007 | 15 | 36 |
| 2008 | 16 | 45 |
| 2009 | 15 | 44 |
| 2010 | 24 | 57 |
| 2011 | 46 | 80 |
| 2012 | 48 | 70 |
| 2013 | 72 | 87 |
| 2014 | 98 | 90 |
| 2015 | 101 | 131 |
| 2016 | 117 | 169 |
| 2017 | 155 | 187 |
| 2018 | 139 | 205 |
| 2019 | 212 | 174 |
| 2020 | 179 | 183 |
| 2021 | 140 | 155 |
| 2022 | 139 | 145 |
| 2023 | 127 | 173 |
| 2024 | 112 | 105 |
| 2025 | 121 | 100 |
| 2026 | 60 | 63 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electromechanical system comprising two movable elements side by side15 Sep 2026US 12,739,571 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Mems microphone and electronic device15 Sep 2026US 12,739,572 B2Goertek Microelectronics Inc.
- Micro-electro-mechanical systems microphone with increased back volume8 Sep 2026US 12,732,742 B2Knowles Electronics, LLC
- Capacitive transducer8 Sep 2026US 12,732,756 B2
- Desktop microphone8 Sep 2026US 12,732,757 B1Guangdong Dingchuang Smart Manufacturing Co., Ltd.
- Manufacturing a microphone by bonding layers1 Oct 2026US 2026/0296881 A1InvenSense, Inc.
- Micro-speaker with integrated microphone and system1 Oct 2026US 2026/0304044 A1Vibrant Microsystems Inc.
- Method and system for recognizing a squeal noise of a vehicle24 Sep 2026US 2026/0290092 A1Hyundai Motor Company
- Filtering architecture with minimized transients17 Sep 2026US 2026/0281617 A1Infineon Technologies AG
- Foundry-compatible process for integrated micro-speaker and microphone17 Sep 2026US 2026/0281642 A1Vibrant Microsystems Inc.
Most cited
By later US patents
- Microelectromechanical system package with environmental and interference shield293US 6,781,231 B2Knowles Electronics, LLC · 2004
- Synchronization of buffered data in multiple microphones260US 9,111,548 B2Knowles Electronics, LLC · 2015
- Acoustic transducer with improved low frequency response232US 5,452,268 AThe Charles Stark Draper Laboratory, Inc. · 1995
- Acoustic transducer202US 5,146,435 AThe Charles Stark Draper Laboratory, Inc. · 1992
- Solid state condenser and microphone devices185US 5,490,220 AKnowles Electronics, LLC · 1996