H04R 9/06
Loudspeakers
H04R9/06 (Loudspeakers) appears on 3,335 US grants and 3,934 published applications in this corpus.
Search patents in H04R- Granted patents
- 3,335
- Published applications
- 3,934
- Assignees
- 839
- Inventors
- 4,189
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 9 | 0 |
| 1978 | 3 | 0 |
| 1979 | 7 | 0 |
| 1980 | 9 | 0 |
| 1981 | 11 | 0 |
| 1982 | 6 | 0 |
| 1983 | 9 | 0 |
| 1984 | 6 | 0 |
| 1985 | 14 | 0 |
| 1986 | 15 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 6 | 0 |
| 1990 | 10 | 0 |
| 1991 | 6 | 0 |
| 1992 | 12 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 12 | 0 |
| 1998 | 28 | 0 |
| 1999 | 13 | 0 |
| 2000 | 16 | 0 |
| 2001 | 34 | 12 |
| 2002 | 31 | 63 |
| 2003 | 42 | 39 |
| 2004 | 41 | 70 |
| 2005 | 31 | 65 |
| 2006 | 42 | 82 |
| 2007 | 36 | 52 |
| 2008 | 38 | 44 |
| 2009 | 24 | 53 |
| 2010 | 33 | 37 |
| 2011 | 45 | 48 |
| 2012 | 49 | 65 |
| 2013 | 36 | 46 |
| 2014 | 51 | 67 |
| 2015 | 60 | 90 |
| 2016 | 93 | 135 |
| 2017 | 131 | 233 |
| 2018 | 191 | 231 |
| 2019 | 249 | 243 |
| 2020 | 269 | 375 |
| 2021 | 263 | 333 |
| 2022 | 244 | 265 |
| 2023 | 231 | 325 |
| 2024 | 312 | 420 |
| 2025 | 311 | 304 |
| 2026 | 210 | 237 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- TWS including planar speaker incorporating circuit-embedded vibrator, dynamic speaker, and microphone6 Oct 2026US 12,756,969 B2
- Sound device6 Oct 2026US 12,756,981 B2AAC Microtech (Changzhou) Co., Ltd.
- Loudspeaker and loudspeaker manufacturing method29 Sep 2026US 12,750,614 B2Panasonic Automotive Systems Co., Ltd.
- Sound apparatus and vehicular apparatus including the same22 Sep 2026US 12,745,027 B2LG Display Co., Ltd.
- Micro speaker structure including diaphragm with locally thinner regions and method for forming the same22 Sep 2026US 12,745,043 B2Fortemedia, Inc.
- Exterior communication system for mobility vehicle8 Oct 2026US 2026/0313278 A1Hyundai Motor Company
- Loudspeaker drive unit8 Oct 2026US 2026/0313287 A1Genelec Oy
- Full-bandwidth dual-sided speaker device8 Oct 2026US 2026/0313288 A1Merry Electronics (Suzhou) Co., Ltd.
- Loudspeaker with phase plug8 Oct 2026US 2026/0313292 A1Ask Industries Societa' Per Azioni
- Devices, systems and methods relating to audio transducers and audio devices8 Oct 2026US 2026/0313296 A1Wing Acoustics Limited
Most cited
By later US patents
- Electroacoustical transducing with low frequency augmenting devices304US 8,238,578 B2Bose Corporation · 2012
- Acoustic device295US 6,332,029 B1New Transducers Limited · 2001
- Acoustic device206US 7,158,647 B2New Transducers Limited · 2007
- Ultra low frequency transducer and loud speaker comprising same205US 6,611,604 B1Stillwater Designs and Audio, Inc. · 2003
- Loudspeaker system192US 4,504,704 APioneer Electronic Corporation · 1985