H04N 21/440227
By decomposing into layers
Official title: {by decomposing into layers, e.g. base layer and one or more enhancement layers}
H04N21/440227 (By decomposing into layers) appears on 253 US grants and 295 published applications in this corpus.
Search patents in H04N- Granted patents
- 253
- Published applications
- 295
- Assignees
- 121
- Inventors
- 506
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 3 |
| 2002 | 3 | 8 |
| 2003 | 6 | 10 |
| 2004 | 5 | 12 |
| 2005 | 5 | 10 |
| 2006 | 10 | 8 |
| 2007 | 3 | 7 |
| 2008 | 8 | 7 |
| 2009 | 3 | 11 |
| 2010 | 6 | 14 |
| 2011 | 8 | 13 |
| 2012 | 8 | 9 |
| 2013 | 14 | 17 |
| 2014 | 11 | 11 |
| 2015 | 12 | 20 |
| 2016 | 15 | 15 |
| 2017 | 14 | 13 |
| 2018 | 7 | 10 |
| 2019 | 13 | 8 |
| 2020 | 11 | 8 |
| 2021 | 9 | 9 |
| 2022 | 11 | 14 |
| 2023 | 17 | 15 |
| 2024 | 11 | 13 |
| 2025 | 16 | 16 |
| 2026 | 15 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Scalable systems for controlling color management comprising varying levels of metadata29 Sep 2026US 12,750,508 B2
- Scalable systems for controlling color management comprising varying levels of metadata8 Sep 2026US 12,732,624 B2Dolby Laboratories Licensing Corporation
- Scalable systems for controlling color management comprising varying levels of metadata1 Sep 2026US 12,726,641 B2Dolby Laboratories Licensing Corporation
- Decoding a video stream within a browser11 Aug 2026US 12,707,130 B2V-Nova International Limited
- File format concepts for video coding28 Jul 2026US 12,695,940 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Scalable systems for controlling color management comprising varying levels of metadata24 Sep 2026US 2026/0292223 A1Dolby Laboratories Licensing Corporation
- Scalable systems for controlling color management comprising varying levels of metadata24 Sep 2026US 2026/0292224 A1Dolby Laboratories Licensing Corporation
- Miracast end to end (e2e) stream transmission13 Aug 2026US 2026/0238848 A1QUALCOMM Incorporated
- Streaming system and method16 Jul 2026US 2026/0205657 A1Sony Interactive Entertainment Inc.
- Scalable systems for controlling color management comprising varying levels of metadata9 Jul 2026US 2026/0197472 A1Dolby Laboratories Licensing Corporation
Most cited
By later US patents
- Moving image compression quality enhancement using displacement filters with negative lobes497US 6,728,317 B1Dolby Laboratories Licensing Corporation · 2004
- Combined MPEG-4 FGS and modulation algorithm for wireless video transmission443US 6,909,753 B2Koninklijke Philips Electronics N. V. · 2005
- Method and apparatus for progressively deleting media objects from storage439US 7,751,628 B12010
- System for controlling and enforcing playback restrictions for a media file by splitting the media file into usable and unusable portions for playback208US 7,024,485 B2Yahoo! Inc. · 2006
- Encrypted and watermarked temporal and resolution layering in advanced television201US 6,957,350 B1Dolby Laboratories Licensing Corporation · 2005