H04N 21/84
Generation or processing of descriptive data
Official title: Generation or processing of descriptive data, e.g. content descriptors {(systems specially adapted for using meta-information in broadcast systems H04H60/73)}
H04N21/84 (Generation or processing of descriptive data) appears on 6,922 US grants and 8,785 published applications in this corpus.
Search patents in H04N- Granted patents
- 6,922
- Published applications
- 8,785
- Assignees
- 1,417
- Inventors
- 10,828
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 17 | 0 |
| 1997 | 28 | 0 |
| 1998 | 32 | 0 |
| 1999 | 35 | 0 |
| 2000 | 47 | 0 |
| 2001 | 61 | 49 |
| 2002 | 70 | 294 |
| 2003 | 66 | 311 |
| 2004 | 79 | 278 |
| 2005 | 73 | 311 |
| 2006 | 119 | 318 |
| 2007 | 104 | 329 |
| 2008 | 121 | 375 |
| 2009 | 161 | 386 |
| 2010 | 240 | 390 |
| 2011 | 256 | 336 |
| 2012 | 282 | 335 |
| 2013 | 323 | 398 |
| 2014 | 495 | 524 |
| 2015 | 448 | 437 |
| 2016 | 454 | 400 |
| 2017 | 409 | 481 |
| 2018 | 378 | 401 |
| 2019 | 421 | 347 |
| 2020 | 389 | 406 |
| 2021 | 377 | 370 |
| 2022 | 377 | 341 |
| 2023 | 384 | 336 |
| 2024 | 298 | 273 |
| 2025 | 237 | 214 |
| 2026 | 120 | 145 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Display apparatus and method6 Oct 2026US 12,756,890 B2Vidaa (Netherlands) International Holdings B.V.
- Reception apparatus, reception method, transmission apparatus, and transmission method6 Oct 2026US 12,756,907 B2Saturn Licensing LLC
- Auxiliary MPDs for MPEG DASH to support preroll and midrolls and their playback using W3C MSE/EME29 Sep 2026US 12,750,414 B2Tencent America LLC
- Systems and methods for generating supplemental content for a program content stream29 Sep 2026US 12,750,568 B2DISH Network L.L.C.
- Two-stage camera-based video search using a combination of draft model and full vision language model (VLM)22 Sep 2026US 12,743,463 B1Ambarella International LP
- Systems and methods for providing a contextual menu with information related to an emergency alert8 Oct 2026US 2026/0313205 A1Adeia Guides Inc.
- Systems and server computing devices that generate multiple tracks for communication of multimedia content components1 Oct 2026US 2026/0303930 A1Lenovo Global Technology (United States) Inc.
- Method, apparatus, device and storage medium for video generation1 Oct 2026US 2026/0303931 A1Beijing Zitiao Network Technology Co., Ltd.
- Dynamically preprocessing of streaming video data and review of the video data by a large language model1 Oct 2026US 2026/0303932 A1Insight Direct USA, Inc.
- Method and device for energy reduction adjustment using an adaptive streaming network24 Sep 2026US 2026/0292300 A1InterDigital CE Patent Holdings, SAS
Most cited
By later US patents
- Inter-active program guide with default selection control1,314US 5,850,218 ATime Warner Entertainment Co., L. P. · 1998
- Electronic television program guide schedule system and method with data feed access1,287US 5,589,892 A1996
- Method and apparatus for providing interactive electronic programming guide1,223US 5,592,551 AScientific-Atlanta, Inc. · 1997
- Systems and methods for linking television viewers with advertisers and broadcasters1,174US 6,002,394 AStarsight Telecast, Inc. · 1999
- Television schedule system1,133US 5,353,121 AStarsight Telecast, Inc. · 1994