H04N 21/4348
Demultiplexing of additional data and video streams
Official title: {Demultiplexing of additional data and video streams}
H04N21/4348 (Demultiplexing of additional data and video streams) appears on 2,018 US grants and 2,321 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,018
- Published applications
- 2,321
- Assignees
- 491
- Inventors
- 3,142
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 14 | 0 |
| 1996 | 18 | 0 |
| 1997 | 16 | 0 |
| 1998 | 33 | 0 |
| 1999 | 28 | 0 |
| 2000 | 28 | 0 |
| 2001 | 35 | 28 |
| 2002 | 38 | 104 |
| 2003 | 43 | 97 |
| 2004 | 40 | 112 |
| 2005 | 53 | 133 |
| 2006 | 71 | 145 |
| 2007 | 46 | 150 |
| 2008 | 61 | 164 |
| 2009 | 60 | 143 |
| 2010 | 108 | 149 |
| 2011 | 117 | 109 |
| 2012 | 121 | 94 |
| 2013 | 143 | 125 |
| 2014 | 200 | 140 |
| 2015 | 147 | 136 |
| 2016 | 98 | 80 |
| 2017 | 81 | 69 |
| 2018 | 67 | 49 |
| 2019 | 62 | 41 |
| 2020 | 62 | 53 |
| 2021 | 43 | 44 |
| 2022 | 50 | 42 |
| 2023 | 42 | 38 |
| 2024 | 39 | 28 |
| 2025 | 27 | 35 |
| 2026 | 18 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Display apparatus and method15 Sep 2026US 12,739,466 B2Vidaa (Netherlands) International Holdings B.V.
- 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
- Testing rendering of screen objects25 Aug 2026US 12,720,145 B2Nagravision Sarl
- Linear interactive television data insertion11 Aug 2026US 12,707,112 B2Comcast Cable Communications, LLC
- Broadcast reception device and video display method4 Aug 2026US 12,701,290 B2Maxell, Ltd.
- Transmitting method, receiving method, transmitting device and receiving device17 Sep 2026US 2026/0281476 A1Panasonic Intellectual Property Corporation of America
- Shoe with Knit Upper Having Thermoplastic Yarn Regions13 Aug 2026US 2026/0232066 A1Cole Haan LLC
- Extended metadata blocks in media transport frames6 Aug 2026US 2026/0230661 A1Netflix, Inc.
- Method and System for Controlling Lighting in a Viewing Area of a Content-Presentation Device14 May 2026US 2026/0136058 A1Roku, Inc.
- Image processing system and method30 Apr 2026US 2026/0115592 A1
Most cited
By later US patents
- Steganographic method and device844US 5,613,004 ADice Corporation · 1997
- Downloading operating system software through a broadcast channel820US 5,666,293 ABell Atlantic Network Services, Inc. · 1997
- Method and apparatus for multiplexing separately-authored metadata for insertion into a video data stream689US 6,357,042 B22002
- Electronic television program guide schedule system and method with pop-up hints677US 5,822,123 A1998
- Electronic television program guide schedule system and method including virtual channels670US 5,585,866 A1996