H04N 21/435
Processing of additional data
Official title: Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
H04N21/435 (Processing of additional data) appears on 6,277 US grants and 7,538 published applications in this corpus.
Search patents in H04N- Granted patents
- 6,277
- Published applications
- 7,538
- Assignees
- 1,273
- Inventors
- 8,889
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 26 | 0 |
| 1997 | 31 | 0 |
| 1998 | 49 | 0 |
| 1999 | 70 | 0 |
| 2000 | 66 | 0 |
| 2001 | 103 | 79 |
| 2002 | 80 | 322 |
| 2003 | 88 | 265 |
| 2004 | 122 | 326 |
| 2005 | 111 | 321 |
| 2006 | 182 | 382 |
| 2007 | 154 | 408 |
| 2008 | 151 | 458 |
| 2009 | 199 | 429 |
| 2010 | 314 | 465 |
| 2011 | 317 | 386 |
| 2012 | 318 | 264 |
| 2013 | 367 | 307 |
| 2014 | 531 | 485 |
| 2015 | 483 | 431 |
| 2016 | 375 | 336 |
| 2017 | 315 | 338 |
| 2018 | 281 | 275 |
| 2019 | 279 | 226 |
| 2020 | 260 | 219 |
| 2021 | 220 | 190 |
| 2022 | 217 | 188 |
| 2023 | 179 | 147 |
| 2024 | 177 | 137 |
| 2025 | 130 | 102 |
| 2026 | 62 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Broadcast receiving device6 Oct 2026US 12,756,893 B2Maxell, Ltd.
- Reception apparatus, reception method, transmission apparatus, and transmission method6 Oct 2026US 12,756,907 B2Saturn Licensing LLC
- Asset quality management using multimodality29 Sep 2026US 12,750,559 B1Roku, Inc.
- High-level syntax for signaling neural networks within a media bitstream22 Sep 2026US 12,740,744 B2Nokia Technologies Oy
- Adapting runtime and providing content during an activity22 Sep 2026US 12,744,060 B2Adeia Guides Inc.
- Methods and apparatus to identify an episode number based on fingerprint and matched viewing information8 Oct 2026US 2026/0313195 A1The Nielsen Company (US), LLC
- Data processing method and data processing apparatus24 Sep 2026US 2026/0292294 A1Anypoint Media Co., Ltd.
- Generating a notification in response to a live broadcast10 Sep 2026US 2026/0270503 A1Adeia Guides Inc.
- Video system3 Sep 2026US 2026/0261730 A1ARRIS Enterprises LLC
- Bullet comment information display method based on virtual reality and apparatus, and electronic device27 Aug 2026US 2026/0253337 A1Beijing Zitiao Network Technology Co., Ltd.
Most cited
By later US patents
- Techniques for intelligent video ad insertion1,777US 6,698,020 B1WebTV Networks, Inc. · 2004
- Systems and methods for secure transaction management and electronic rights protection1,270US 5,982,891 AIntertrust Technologies Corporation · 1999
- Network controller for cable television delivery systems1,167US 5,600,364 ADiscovery Communications, Inc. · 1997
- Systems and methods for secure transaction management and electronic rights protection1,156US 5,910,987 AIntertrust Technologies Corporation · 1999
- Terminal for suggesting programs offered on a television program delivery system1,065US 5,798,785 ADiscovery Communications, Inc. · 1998