H04N 21/231
Content storage operation
Official title: Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
H04N21/231 (Content storage operation) appears on 2,961 US grants and 3,550 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,961
- Published applications
- 3,550
- Assignees
- 1,002
- Inventors
- 5,643
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 11 | 0 |
| 1998 | 27 | 0 |
| 1999 | 21 | 0 |
| 2000 | 31 | 0 |
| 2001 | 29 | 24 |
| 2002 | 32 | 115 |
| 2003 | 22 | 104 |
| 2004 | 21 | 99 |
| 2005 | 22 | 91 |
| 2006 | 44 | 86 |
| 2007 | 51 | 82 |
| 2008 | 42 | 106 |
| 2009 | 39 | 109 |
| 2010 | 73 | 116 |
| 2011 | 70 | 123 |
| 2012 | 93 | 136 |
| 2013 | 116 | 183 |
| 2014 | 192 | 307 |
| 2015 | 211 | 202 |
| 2016 | 227 | 185 |
| 2017 | 208 | 204 |
| 2018 | 166 | 196 |
| 2019 | 194 | 188 |
| 2020 | 200 | 171 |
| 2021 | 187 | 170 |
| 2022 | 178 | 148 |
| 2023 | 129 | 120 |
| 2024 | 136 | 117 |
| 2025 | 111 | 102 |
| 2026 | 69 | 66 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 21/23106Involving caching operations1,062
- H04N 21/23109By placing content in organized collections688
- H04N 21/23113Involving housekeeping operations for stored content395
- H04N 21/23103Using load balancing strategies366
- H04N 21/23116Involving data replication242
- H04N 21/2312Data placement on disk arrays224
Recent patents
- Methods and systems for remote rendering6 Oct 2026US 12,756,894 B2signageOS s.r.o.
- Fine-grained segmentation of content items for tiered cloud archival using machine-learned models22 Sep 2026US 12,743,466 B1Charter Communications Operating, LLC
- Systems, methods, and apparatuses for improved content recording and playback22 Sep 2026US 12,744,947 B2Comcast Cable Communications, LLC
- Video transcoding task scheduling15 Sep 2026US 12,739,456 B2Beijing Baidu Netcom Science Technology Co., Ltd.
- Generating a customized highlight sequence depicting multiple events8 Sep 2026US 12,732,674 B2Stats LLC
- Fine-grained segmentation of content items for tiered cloud archival using machine-learned models8 Oct 2026US 2026/0310721 A1Charter Communications Operating, LLC
- Techniques for traffic surge protection of live origin server1 Oct 2026US 2026/0303887 A1Netflix, Inc.
- Video transmission method, video transmission apparatus, electronic device and readable medium24 Sep 2026US 2026/0292277 A1Boe Technology Group Co., Ltd.
- Network video management computer system with bandwidth usage display17 Sep 2026US 2026/0281283 A1Dice Corporation
- Data forwarding in a content delivery network17 Sep 2026US 2026/0281468 A1Comcast Cable Communications, LLC
Most cited
By later US patents
- System for generation of user profiles for a system for customized electronic identification of desirable objects2,365US 5,754,939 A1998
- 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
- System for customized electronic identification of desirable objects1,946US 6,029,195 A2000
- Computer system and process for transferring streams of data between multiple storage units and multiple applications in a scalable and reliable manner1,737US 6,449,688 B1Avid Technology, Inc. · 2002
- System and method for scheduling broadcast of and access to video programs and other data using customer profiles1,609US 5,758,257 A1998