H04N 21/2353
Specifically adapted to content descriptors
Official title: {specifically adapted to content descriptors, e.g. coding, compressing or processing of metadata}
H04N21/2353 (Specifically adapted to content descriptors) appears on 1,955 US grants and 2,219 published applications in this corpus.
Search patents in H04N- Granted patents
- 1,955
- Published applications
- 2,219
- Assignees
- 500
- Inventors
- 2,573
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 6 | 3 |
| 2002 | 4 | 16 |
| 2003 | 1 | 13 |
| 2004 | 6 | 38 |
| 2005 | 7 | 22 |
| 2006 | 14 | 32 |
| 2007 | 15 | 46 |
| 2008 | 15 | 43 |
| 2009 | 27 | 47 |
| 2010 | 56 | 74 |
| 2011 | 49 | 58 |
| 2012 | 36 | 53 |
| 2013 | 67 | 138 |
| 2014 | 134 | 159 |
| 2015 | 202 | 220 |
| 2016 | 136 | 165 |
| 2017 | 122 | 134 |
| 2018 | 131 | 151 |
| 2019 | 137 | 139 |
| 2020 | 147 | 132 |
| 2021 | 144 | 107 |
| 2022 | 141 | 119 |
| 2023 | 121 | 88 |
| 2024 | 103 | 100 |
| 2025 | 89 | 73 |
| 2026 | 43 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tune media player for broadcast and broadband services6 Oct 2026US 12,756,879 B2Sony Group Corporation
- Reception apparatus, reception method, transmission apparatus, and transmission method6 Oct 2026US 12,756,907 B2Saturn Licensing LLC
- Facilitating management of IMS metadata for scene media25 Aug 2026US 12,720,131 B2Tencent America LLC
- Systems and methods for automated extraction of closed captions in real time or near real-time and tagging of streaming data for advertisements25 Aug 2026US 12,720,139 B2Crossbar Media Group, Inc
- System and a method for generating and distributing multimedia content18 Aug 2026US 12,713,112 B2CrowdClip IP Pty Ltd
- Gameplay video system and method8 Oct 2026US 2026/0306942 A1Sony Interactive Entertainment Inc.
- Monitoring streaming media content8 Oct 2026US 2026/0312894 A1The Nielsen Company (US), LLC
- Methods, systems, and apparatuses for improved transmission of content8 Oct 2026US 2026/0313178 A1Comcast Cable Communications, LLC
- Distributed storage of content across storage subsystems24 Sep 2026US 2026/0292279 A1Comcast Cable Communications, LLC
- Systems and methods for validating live programming content based on third-party data24 Sep 2026US 2026/0292310 A1DK Crown Holdings Inc.
Most cited
By later US patents
- Client server based interactive television program guide system with remote server recording995US 7,761,892 B2United Video Properties, Inc. · 2010
- Method and apparatus for identifying media content presented on a media playing device536US 6,834,308 B1Audible Magic Corporation · 2004
- Electronic program guide using markup language328US 6,442,755 B1United Video Properties, Inc. · 2002
- Delivery and acquisition of data segments with optimized inter-arrival time286US 6,173,330 B2General Instrument Corporation · 2001
- Broadcast audio program guide277US 7,565,104 B12009