H04N 21/2343
Involving reformatting operations of video signals for distribution or compliance with end-user
Official title: involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements {(video transcoding H04N19/40; media packet handling at the source H04L65/762)}
H04N21/2343 (Involving reformatting operations of video signals for distribution or compliance with end-user) appears on 8,671 US grants and 10,678 published applications in this corpus.
Search patents in H04N- Granted patents
- 8,671
- Published applications
- 10,678
- Assignees
- 2,089
- Inventors
- 13,833
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 15 | 0 |
| 1997 | 24 | 0 |
| 1998 | 27 | 0 |
| 1999 | 28 | 0 |
| 2000 | 42 | 0 |
| 2001 | 54 | 66 |
| 2002 | 76 | 217 |
| 2003 | 85 | 246 |
| 2004 | 71 | 285 |
| 2005 | 80 | 278 |
| 2006 | 152 | 309 |
| 2007 | 123 | 304 |
| 2008 | 145 | 287 |
| 2009 | 157 | 359 |
| 2010 | 209 | 417 |
| 2011 | 205 | 396 |
| 2012 | 311 | 418 |
| 2013 | 333 | 466 |
| 2014 | 530 | 536 |
| 2015 | 492 | 564 |
| 2016 | 468 | 523 |
| 2017 | 495 | 537 |
| 2018 | 499 | 566 |
| 2019 | 554 | 600 |
| 2020 | 653 | 640 |
| 2021 | 605 | 581 |
| 2022 | 572 | 595 |
| 2023 | 523 | 503 |
| 2024 | 491 | 454 |
| 2025 | 422 | 325 |
| 2026 | 217 | 206 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 21/23439For generating different versions2,894
- H04N 21/234327By decomposing into layers1,247
- H04N 21/234363By altering the spatial resolution1,166
- H04N 21/234309By transcoding between formats or standards935
- H04N 21/234345The reformatting operation being performed only on part of the stream721
- H04N 21/234381By altering the temporal resolution659
- H04N 21/234318By decomposing into objects650
- H04N 21/234336By media transcoding387
All 9 subgroupsShow fewer
Recent patents
- Systems and methods for encoding and streaming video encoded using a plurality of maximum bitrate levels6 Oct 2026US 12,756,877 B2Divx, LLC
- Method and system for video quality monitoring6 Oct 2026US 12,756,880 B2Comcast Cable Communications, LLC
- Context-dependent in-call video codec switching29 Sep 2026US 12,750,251 B2Google Inc.
- Systems and methods for just in time transcoding of video on demand29 Sep 2026US 12,750,536 B2Qumu Corporation
- Signalling of preselection information in media file29 Sep 2026US 12,750,537 B2Bytedance Inc.
- Gameplay video system and method8 Oct 2026US 2026/0306942 A1Sony Interactive Entertainment Inc.
- Realtime wireless synchronization of live event audio stream with a video recording8 Oct 2026US 2026/0314022 A1Bygge Technologies Inc.
- Streaming apparatus, streaming method, and storage medium1 Oct 2026US 2026/0303883 A1Honda Motor Co., Ltd.
- Streaming apparatus, streaming method, and storage medium1 Oct 2026US 2026/0303884 A1Honda Motor Co., Ltd.
- Scheduled scene modification for extraction, preprocessing, and publishing of streaming video data1 Oct 2026US 2026/0303916 A1Insight Direct USA, Inc.
Most cited
By later US patents
- Audio network distribution system1,807US 7,643,894 B2Netstreams, LLC · 2010
- Information distribution and processing system1,232US 7,181,758 B1Data Innovation LLC · 2007
- Client server based interactive television program guide system with remote server recording995US 7,761,892 B2United Video Properties, Inc. · 2010
- Audio and video transmission and receiving system941US 5,132,992 A1992
- Integration of dynamic universal resource locators with television presentations886US 5,929,849 APhoenix Technologies Ltd. · 1999