H04N 21/234
Processing of video elementary streams
Official title: Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
H04N21/234 (Processing of video elementary streams) appears on 16,665 US grants and 20,126 published applications in this corpus.
Search patents in H04N- Granted patents
- 16,665
- Published applications
- 20,126
- Assignees
- 3,404
- Inventors
- 24,838
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 10 | 0 |
| 1996 | 32 | 0 |
| 1997 | 43 | 0 |
| 1998 | 62 | 0 |
| 1999 | 80 | 0 |
| 2000 | 89 | 0 |
| 2001 | 117 | 122 |
| 2002 | 132 | 399 |
| 2003 | 155 | 405 |
| 2004 | 159 | 497 |
| 2005 | 163 | 515 |
| 2006 | 264 | 557 |
| 2007 | 213 | 553 |
| 2008 | 249 | 561 |
| 2009 | 279 | 680 |
| 2010 | 370 | 655 |
| 2011 | 401 | 631 |
| 2012 | 566 | 699 |
| 2013 | 604 | 757 |
| 2014 | 925 | 980 |
| 2015 | 876 | 1035 |
| 2016 | 912 | 1027 |
| 2017 | 990 | 1127 |
| 2018 | 931 | 1086 |
| 2019 | 1105 | 1123 |
| 2020 | 1267 | 1239 |
| 2021 | 1167 | 1169 |
| 2022 | 1123 | 1113 |
| 2023 | 1044 | 1020 |
| 2024 | 971 | 933 |
| 2025 | 855 | 758 |
| 2026 | 484 | 485 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 21/2343Involving reformatting operations of video signals for distribution or compliance with end-user8,671
- H04N 21/23418Involving operations for analysing video streams3,545
- H04N 21/23424Involving splicing one content stream with another content stream3,144
- H04N 21/2347Involving video stream encryption1,693
- H04N 21/23406Involving management of server-side video buffer1,156
- H04N 21/23412For generating or manipulating the scene composition of objects721
Recent patents
- System and method for streaming session data management6 Oct 2026US 12,754,850 B2DISH Network Technologies India Private Limited
- Syntax and semantics for buffering information to simplify video splicing6 Oct 2026US 12,756,853 B2Microsoft Technology Licensing, LLC
- Syntax and semantics for buffering information to simplify video splicing6 Oct 2026US 12,756,854 B2Microsoft Technology Licensing, LLC
- Syntax and semantics for buffering information to simplify video splicing6 Oct 2026US 12,756,855 B2Microsoft Technology Licensing, LLC
- Video composition retargeting6 Oct 2026US 12,756,876 B1Adobe Inc.
- Gameplay video system and method8 Oct 2026US 2026/0306942 A1Sony Interactive Entertainment Inc.
- Method, system, and apparatus for updating statistical databases based on sensed movement data8 Oct 2026US 2026/0311567 A1AdrenalineIP
- Techniques for detecting reference frame mismatches in encoded video streams8 Oct 2026US 2026/0313165 A1Netflix, Inc.
- Packet lake: novel network primitive for low latency volumetric streaming8 Oct 2026US 2026/0313174 A1Nokia Solutions and Networks Oy
- Server-side initiation and playback of primary and secondary media content8 Oct 2026US 2026/0313175 A1Google Inc.
Most cited
By later US patents
- Systems and methods for secure transaction management and electronic rights protection3,563US 5,892,900 AIntertrust Technologies Corporation · 1999
- Audio network distribution system1,807US 7,643,894 B2Netstreams, LLC · 2010
- Systems and methods for secure transaction management and electronic rights protection1,270US 5,982,891 AIntertrust Technologies Corporation · 1999
- Information distribution and processing system1,232US 7,181,758 B1Data Innovation LLC · 2007
- Systems and methods for secure transaction management and electronic rights protection1,156US 5,910,987 AIntertrust Technologies Corporation · 1999