H04S 3/004
For headphones
Official title: {For headphones}
H04S3/004 (For headphones) appears on 235 US grants and 250 published applications in this corpus.
Search patents in H04S- Granted patents
- 235
- Published applications
- 250
- Assignees
- 115
- Inventors
- 383
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 3 |
| 2002 | 0 | 2 |
| 2003 | 1 | 5 |
| 2004 | 5 | 2 |
| 2005 | 4 | 8 |
| 2006 | 3 | 9 |
| 2007 | 2 | 7 |
| 2008 | 2 | 8 |
| 2009 | 5 | 10 |
| 2010 | 6 | 5 |
| 2011 | 5 | 10 |
| 2012 | 8 | 4 |
| 2013 | 4 | 7 |
| 2014 | 10 | 16 |
| 2015 | 7 | 7 |
| 2016 | 14 | 15 |
| 2017 | 12 | 11 |
| 2018 | 13 | 11 |
| 2019 | 23 | 23 |
| 2020 | 23 | 18 |
| 2021 | 16 | 16 |
| 2022 | 8 | 17 |
| 2023 | 19 | 12 |
| 2024 | 17 | 12 |
| 2025 | 9 | 9 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Generating binaural audio in response to multi-channel audio using at least one feedback delay network11 Aug 2026US 12,707,228 B2Dolby Laboratories Licensing Corporation
- Apparatus and method for generating a control signal for a sound generator or for generating an extended multi-channel audio signal by using a similarity analysis4 Aug 2026US 12,701,384 B2Kaetel Systems GmbH
- Methods and apparatus to generate binaural sounds for hearing devices14 Jul 2026US 12,684,304 B2Intel Corporation
- Real-time sound field synthesis by modifying produced audio streams13 Jan 2026US 12,526,600 B2Little Dog Live, LLC
- Method, device, storage medium, and headphones of headphone virtual spatial sound playback6 Jan 2026US 12,520,100 B2Guangzhou Synergy Info-Tech Ltd.
- Open-ended audio tracking system via audio foundational and large language models11 Jun 2026US 2026/0164200 A1Robert Bosch GmbH
- Real-time sound field synthesis by modifying produced audio streams16 Apr 2026US 2026/0107106 A1Little Dog Live, LLC
- Directional sound recording and playback9 Apr 2026US 2026/0101141 A1
- Surround Sound Location Virtualization11 Dec 2025US 2025/0380106 A1Bose Corporation
- Collider system for the generation and reproduction of signals from trisonic audio with zero latency28 Aug 2025US 2025/0274711 A1
Most cited
By later US patents
- Method and device for processing a multichannel signal for use with a headphone148US 5,742,689 AVirtual Listening Systems, Inc. · 1998
- Personal sound system with virtually positioned lateral speakers103US 5,459,790 ASonics Associates, Inc. · 1995
- Multiple channel wireless communication system82US 6,987,947 B2Unwired Technology LLC · 2006
- Coherence-based audio coding and synthesis79US 7,006,636 B2Agere Systems Inc. · 2006
- Personalized headphone virtualization78US 7,936,887 B2Smyth Research LLC · 2011