H04R 7/10
Comprising superposed layers in contact
Official title: comprising superposed layers in contact
H04R7/10 (Comprising superposed layers in contact) appears on 368 US grants and 465 published applications in this corpus.
Search patents in H04R- Granted patents
- 368
- Published applications
- 465
- Assignees
- 220
- Inventors
- 899
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 3 |
| 2005 | 3 | 6 |
| 2006 | 0 | 10 |
| 2007 | 2 | 8 |
| 2008 | 8 | 1 |
| 2009 | 4 | 5 |
| 2010 | 7 | 12 |
| 2011 | 4 | 6 |
| 2012 | 7 | 6 |
| 2013 | 5 | 6 |
| 2014 | 9 | 20 |
| 2015 | 11 | 23 |
| 2016 | 17 | 23 |
| 2017 | 20 | 19 |
| 2018 | 18 | 35 |
| 2019 | 26 | 29 |
| 2020 | 25 | 39 |
| 2021 | 32 | 38 |
| 2022 | 28 | 34 |
| 2023 | 34 | 51 |
| 2024 | 25 | 36 |
| 2025 | 27 | 25 |
| 2026 | 19 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Transducer, electronic device and transducer array8 Sep 2026US 12,732,745 B2Rohm Co., Ltd.
- Diaphragm for miniature sound-generating device, and miniature sound-generating device25 Aug 2026US 12,720,262 B2Goertek Inc.
- Vibration apparatus and apparatus including the same25 Aug 2026US 12,720,263 B2LG Display Co., Ltd.
- Speaker module and electronic device11 Aug 2026US 12,707,191 B2Honor Device Co., Ltd.
- Multilayered electrostatic transducer11 Aug 2026US 12,707,206 B2Warwick Acoustics Limited
- Electoacoustic transducer17 Sep 2026US 2026/0281623 A1
- Oblong miniature receiver for hearing devices27 Aug 2026US 2026/0255106 A1Sonion Nederland B. V.
- Electrodynamic mems loudspeaker13 Aug 2026US 2026/0238924 A1Zhejiang Normal University
- Speaker and electronic device30 Jul 2026US 2026/0222720 A1Harman International Industries, Incorporated
- Electrodynamic loudspeaker with micro-electromechanical system30 Jul 2026US 2026/0222742 A1Zhejiang Normal University
Most cited
By later US patents
- Acoustic device295US 6,332,029 B1New Transducers Limited · 2001
- Acoustic device206US 7,158,647 B2New Transducers Limited · 2007
- MEMS process and device157US 7,781,249 B2Wolfson Microelectronics plc · 2010
- MEMS process and device117US 7,856,804 B2Wolfson Microelectronics plc · 2010
- Loudspeaker structure49US 5,148,493 A1992