H04S 7/304
For headphones
Official title: {For headphones}
H04S7/304 (For headphones) appears on 1,580 US grants and 1,965 published applications in this corpus.
Search patents in H04S- Granted patents
- 1,580
- Published applications
- 1,965
- Assignees
- 381
- Inventors
- 2,335
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 12 |
| 2003 | 2 | 8 |
| 2004 | 3 | 3 |
| 2005 | 5 | 10 |
| 2006 | 3 | 3 |
| 2007 | 4 | 4 |
| 2008 | 4 | 8 |
| 2009 | 3 | 8 |
| 2010 | 4 | 10 |
| 2011 | 4 | 10 |
| 2012 | 9 | 19 |
| 2013 | 5 | 20 |
| 2014 | 14 | 34 |
| 2015 | 21 | 61 |
| 2016 | 30 | 51 |
| 2017 | 71 | 79 |
| 2018 | 96 | 117 |
| 2019 | 122 | 165 |
| 2020 | 184 | 175 |
| 2021 | 166 | 205 |
| 2022 | 162 | 169 |
| 2023 | 216 | 222 |
| 2024 | 166 | 219 |
| 2025 | 175 | 210 |
| 2026 | 94 | 143 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Spatial extent modeling for volumetric audio sources29 Sep 2026US 12,750,632 B2Telefonaktiebolaget LM Ericsson (publ)
- Method and device of active noise reduction for earphone, earphone, and computer readable storage medium22 Sep 2026US 12,745,054 B2Goertek Technology Co., Ltd.
- Information processing device, information processing method, and information processing system15 Sep 2026US 12,739,589 B2Sony Group Corporation
- Enhanced audio using personal audio device8 Sep 2026US 12,732,770 B2Apple Inc.
- Spatial audio system for videoconferencing1 Sep 2026US 12,726,373 B1Zoom Communications, Inc.
- Spatial Audio Representation and Rendering8 Oct 2026US 2026/0313312 A1Nokia Technologies Oy
- Spatial audio adjustment based on user heading and head rotation1 Oct 2026US 2026/0304060 A1QUALCOMM Incorporated
- Electronic device for generating binaural impulse response and operation method of the same1 Oct 2026US 2026/0304061 A1Electronics and Telecommunications Research Institute
- Creating a large scale head-related filter database24 Sep 2026US 2026/0288862 A1Telefonaktiebolaget LM Ericsson (publ)
- Virtual environment scaling using audio zoning24 Sep 2026US 2026/0292436 A1Meta Platforms Technologies, LLC
Most cited
By later US patents
- Virtual reality television system255US 5,714,997 A1998
- Audio system and method188US 6,990,211 B2Hewlett-Packard Development Company, L. P. · 2006
- Augmented reality enhanced audio186US 8,170,222 B2Sony Mobile Communications Inc. · 2012
- Audio user interface183US 7,190,794 B2Hewlett-Packard Development Company, L. P. · 2007
- Method and apparatus for creating a multi-dimensional communication space for use in a binaural audio system179US 7,876,903 B2Harris Corporation · 2011