H04S
Stereophonic systems
H04S (Stereophonic systems) appears on 11,830 US grants and 13,562 published applications in this corpus.
Search patents in H04S- Granted patents
- 11,830
- Published applications
- 13,562
- Assignees
- 2,214
- Inventors
- 14,274
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 48 | 0 |
| 1977 | 22 | 0 |
| 1978 | 29 | 0 |
| 1979 | 18 | 0 |
| 1980 | 22 | 0 |
| 1981 | 13 | 0 |
| 1982 | 14 | 0 |
| 1983 | 18 | 0 |
| 1984 | 14 | 0 |
| 1985 | 14 | 0 |
| 1986 | 24 | 0 |
| 1987 | 22 | 0 |
| 1988 | 10 | 0 |
| 1989 | 28 | 0 |
| 1990 | 22 | 0 |
| 1991 | 25 | 0 |
| 1992 | 33 | 0 |
| 1993 | 42 | 0 |
| 1994 | 33 | 0 |
| 1995 | 41 | 0 |
| 1996 | 46 | 0 |
| 1997 | 71 | 0 |
| 1998 | 101 | 0 |
| 1999 | 73 | 0 |
| 2000 | 54 | 0 |
| 2001 | 45 | 41 |
| 2002 | 51 | 118 |
| 2003 | 64 | 132 |
| 2004 | 84 | 157 |
| 2005 | 71 | 216 |
| 2006 | 107 | 264 |
| 2007 | 102 | 316 |
| 2008 | 108 | 344 |
| 2009 | 119 | 344 |
| 2010 | 208 | 266 |
| 2011 | 239 | 313 |
| 2012 | 402 | 361 |
| 2013 | 276 | 348 |
| 2014 | 294 | 387 |
| 2015 | 362 | 517 |
| 2016 | 492 | 660 |
| 2017 | 708 | 721 |
| 2018 | 789 | 799 |
| 2019 | 943 | 914 |
| 2020 | 911 | 890 |
| 2021 | 790 | 946 |
| 2022 | 814 | 946 |
| 2023 | 805 | 987 |
| 2024 | 871 | 1036 |
| 2025 | 853 | 889 |
| 2026 | 485 | 650 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- H04S 7/00Indicating arrangements7,811
- H04S 2400/00Details of stereophonic systems covered by h04s but not provided for inIndexing code5,620
- H04S 2420/00Techniques used stereophonic systems covered by h04s but not provided for inIndexing code4,154
- H04S 3/00Systems employing more than two channels3,887
- H04S 1/00Two-channel systems2,377
- H04S 5/00Pseudo-stereo systems1,079
Recent patents
- Signaling for rendering tools6 Oct 2026US 12,755,744 B2QUALCOMM Incorporated
- Device and method for expanding 7-channel audio by using radio transmission6 Oct 2026US 12,756,977 B2Samsung Electronics Co., Ltd.
- Method and apparatus for estimating spatial content of soundfield at desired location6 Oct 2026US 12,756,978 B2
- Visualization and customization of sound space6 Oct 2026US 12,756,984 B2Meta Platforms Technologies, LLC
- Audio playing method and related apparatus6 Oct 2026US 12,756,985 B2Huawei Technologies Co., Ltd.
- A method, device, system, and software for a computer-implemented method for playback of game audio by use of representative audio objects at runtime8 Oct 2026US 2026/0306950 A1Dolby Laboratories Licensing Corporation
- Method and device for decoding an audio soundfield representation8 Oct 2026US 2026/0311709 A1Dolby Laboratories Licensing Corporation
- Camera Microphone Drainage System Designed For Beamforming8 Oct 2026US 2026/0313293 A1GoPro, Inc.
- Performing common audio convolutions using iso-trajectories in three dimensional (3d) space8 Oct 2026US 2026/0313308 A1Google Inc.
- Virtual sound sources and rendering techniques8 Oct 2026US 2026/0313309 A1Dolby International AB
Most cited
By later US patents
- Method and apparatus for controlling multimedia players in a multi-zone system2,132US 7,571,014 B1Sonos, Inc. · 2009
- Wireless and wired speaker hub for a home theater system1,803US 7,483,538 B2KSC Industries, Inc. · 2009
- Wired, wireless, infrared, and powerline audio entertainment systems1,763US 7,853,341 B2KSC Industries, Inc. · 2010
- Wired, wireless, infrared, and powerline audio entertainment systems1,762US 8,103,009 B2KSC Industries, Inc. · 2012
- Unification of multimedia devices1,620US 7,987,294 B2Altec Lansing Australia Pty Limited · 2011