H04R 5/023
In a chair, pillow
Official title: {in a chair, pillow}
H04R5/023 (In a chair, pillow) appears on 506 US grants and 578 published applications in this corpus.
Search patents in H04R- Granted patents
- 506
- Published applications
- 578
- Assignees
- 248
- Inventors
- 952
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 8 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 9 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 5 |
| 2002 | 2 | 9 |
| 2003 | 8 | 13 |
| 2004 | 6 | 14 |
| 2005 | 5 | 10 |
| 2006 | 7 | 11 |
| 2007 | 6 | 23 |
| 2008 | 7 | 21 |
| 2009 | 6 | 8 |
| 2010 | 9 | 9 |
| 2011 | 8 | 14 |
| 2012 | 9 | 13 |
| 2013 | 10 | 15 |
| 2014 | 13 | 12 |
| 2015 | 14 | 13 |
| 2016 | 20 | 23 |
| 2017 | 18 | 29 |
| 2018 | 28 | 21 |
| 2019 | 25 | 36 |
| 2020 | 26 | 32 |
| 2021 | 29 | 28 |
| 2022 | 33 | 46 |
| 2023 | 32 | 46 |
| 2024 | 27 | 56 |
| 2025 | 46 | 40 |
| 2026 | 18 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sound system8 Sep 2026US 12,732,746 B2NTT, Inc.
- Sound system1 Sep 2026US 12,726,761 B2NTT, Inc.
- Loudspeaker assembly14 Jul 2026US 12,684,288 B2Pss Belgium NV
- Sound system7 Jul 2026US 12,677,094 B2NTT, Inc.
- Systems and methods for tuning based on furniture configuration2 Jun 2026US 12,647,727 B2The Lovesac Company
- Aircraft passenger seats with sound immersive systems20 Aug 2026US 2026/0242061 A1Safran Seats USA LLC
- Systems and methods for audio position adjustment16 Jul 2026US 2026/0205732 A1Harman International Industries, Incorporated
- Headrest for a motor vehicle seat9 Jul 2026US 2026/0192723 A1Treves Products, Services & Innovation
- Sound control device and method for vehicle9 Jul 2026US 2026/0197569 A1Hyundai Motor Company
- Sound signal output apparatus25 Jun 2026US 2026/0181301 A1NTT, Inc.
Most cited
By later US patents
- Wearable audio system with acoustic modules202US 6,301,367 B1Interval Research Corporation · 2001
- Headrest183US 4,440,443 A1984
- Wireless personal communication apparatus in the form of a necklace155US 6,594,370 B12003
- Headband audio system with acoustically transparent material123US 5,680,465 AInterval Research Corporation · 1997
- Personal wearable communication system with enhanced low frequency response121US 5,617,477 AInterval Research Corporation · 1997