H04R 19/005
Electrostatic transducers: using semiconductor materials
Official title: {using semiconductor materials}
H04R19/005 (Electrostatic transducers: using semiconductor materials) appears on 1,897 US grants and 2,311 published applications in this corpus.
Search patents in H04R- Granted patents
- 1,897
- Published applications
- 2,311
- Assignees
- 436
- Inventors
- 2,347
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 12 |
| 2003 | 5 | 9 |
| 2004 | 8 | 9 |
| 2005 | 7 | 16 |
| 2006 | 10 | 20 |
| 2007 | 11 | 38 |
| 2008 | 18 | 51 |
| 2009 | 10 | 49 |
| 2010 | 28 | 85 |
| 2011 | 43 | 81 |
| 2012 | 67 | 75 |
| 2013 | 68 | 109 |
| 2014 | 116 | 110 |
| 2015 | 116 | 176 |
| 2016 | 150 | 163 |
| 2017 | 145 | 170 |
| 2018 | 133 | 191 |
| 2019 | 189 | 149 |
| 2020 | 169 | 169 |
| 2021 | 127 | 107 |
| 2022 | 125 | 113 |
| 2023 | 87 | 138 |
| 2024 | 85 | 100 |
| 2025 | 94 | 96 |
| 2026 | 49 | 74 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Differential drive of a sound transducer system15 Sep 2026US 12,735,314 B2Robert Bosch GmbH
- Selective hydrophobic layer removal using UV irradiation with non-aligned mask25 Aug 2026US 12,715,758 B2InvenSense, Inc.
- Microelectromechanical acoustic component25 Aug 2026US 12,715,761 B2Robert Bosch GmbH
- Mems device, nearfield loudspeaker, hearable, mems pump, loudspeaker and method for controlling an mems device18 Aug 2026US 12,709,536 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Cylindrical mems structures for audio components18 Aug 2026US 12,713,185 B2Apple Inc.
- Electronic devices and methods of manufacturing electronic devices1 Oct 2026US 2026/0296878 A1Amkor Technology Singapore Holding Pte. Ltd.
- Micromechanical component for a sensor device, microphone device and/or micro-loudspeaker device27 Aug 2026US 2026/0250121 A1
- Microelectromechanical Systems (MEMS) Transducers for High Sound Pressure Level (SPL) Measurements27 Aug 2026US 2026/0255108 A1Shure Acquisition Holdings, Inc.
- Method for producing a mems converter using a stretching of an actuator material27 Aug 2026US 2026/0255880 A1Hahn-Schickard-Gesellschaft FüR Angewandte Forschung E. V.
- Sensor drive device and method for operating a capacitive sensor13 Aug 2026US 2026/0235420 A1
Most cited
By later US patents
- Miniature silicon condenser microphone268US 5,870,482 AKnowles Electronics, LLC · 1999
- 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