H04N 21/20
Servers specifically adapted for the distribution of content
Official title: Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
H04N21/20 (Servers specifically adapted for the distribution of content) appears on 47,463 US grants and 58,638 published applications in this corpus.
Search patents in H04N- Granted patents
- 47,463
- Published applications
- 58,638
- Assignees
- 7,588
- Inventors
- 62,203
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 13 | 0 |
| 1987 | 9 | 0 |
| 1988 | 12 | 0 |
| 1989 | 24 | 0 |
| 1990 | 25 | 0 |
| 1991 | 28 | 0 |
| 1992 | 36 | 0 |
| 1993 | 61 | 0 |
| 1994 | 63 | 0 |
| 1995 | 91 | 0 |
| 1996 | 189 | 0 |
| 1997 | 174 | 0 |
| 1998 | 314 | 0 |
| 1999 | 356 | 0 |
| 2000 | 376 | 0 |
| 2001 | 432 | 377 |
| 2002 | 405 | 1504 |
| 2003 | 440 | 1336 |
| 2004 | 514 | 1446 |
| 2005 | 453 | 1602 |
| 2006 | 772 | 1767 |
| 2007 | 647 | 2050 |
| 2008 | 727 | 2168 |
| 2009 | 899 | 2432 |
| 2010 | 1306 | 2324 |
| 2011 | 1461 | 2132 |
| 2012 | 1837 | 2269 |
| 2013 | 2092 | 2618 |
| 2014 | 2976 | 3331 |
| 2015 | 2865 | 3071 |
| 2016 | 2790 | 2983 |
| 2017 | 2797 | 2987 |
| 2018 | 2556 | 2769 |
| 2019 | 2823 | 2791 |
| 2020 | 3092 | 2896 |
| 2021 | 2813 | 2818 |
| 2022 | 2624 | 2717 |
| 2023 | 2553 | 2577 |
| 2024 | 2440 | 2431 |
| 2025 | 2136 | 2030 |
| 2026 | 1216 | 1212 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Replay of game play between a video frame where a snapshot was captured and a selected video frame to begin a new game play of a video game6 Oct 2026US 12,752,200 B2Sony Interactive Entertainment Inc.
- Audio-visual navigation and communication dynamic memory architectures6 Oct 2026US 12,754,651 B2Aq Media, Inc.
- System and method for streaming session data management6 Oct 2026US 12,754,850 B2DISH Network Technologies India Private Limited
- Picture content enhancement method and system, and electronic device6 Oct 2026US 12,755,460 B1Uc Global Trade Inc.
- Modifying buffer delay in a media broadcast system6 Oct 2026US 12,756,490 B1iHeartMedia Management Services, Inc.
- Gameplay video system and method8 Oct 2026US 2026/0306942 A1Sony Interactive Entertainment Inc.
- Fine-grained segmentation of content items for tiered cloud archival using machine-learned models8 Oct 2026US 2026/0310721 A1Charter Communications Operating, LLC
- Prompt content display method, electronic device and storage medium8 Oct 2026US 2026/0311239 A1Beijing Youzhuju Network Technology Co., Ltd.
- Virtual interaction method and apparatus, device and medium8 Oct 2026US 2026/0311440 A1Beijing Zitiao Network Technology Co., Ltd.
- Method, system, and apparatus for updating statistical databases based on sensed movement data8 Oct 2026US 2026/0311567 A1AdrenalineIP
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
- Systems and methods for displaying and recording control interface with television programs, video, advertising information and program scheduling information2,572US 6,177,931 B1Index Systems, Inc. · 2001
- System for generation of user profiles for a system for customized electronic identification of desirable objects2,365US 5,754,939 A1998
- Synchronous network for digital media streams2,236US 6,611,537 B1Centillium Communications, Inc. · 2003
- Computer system and process for transferring multiple high bandwidth streams of data between multiple storage units and multiple applications in a scalable and reliable manner1,970US 6,374,336 B1Avid Technology, Inc. · 2002