H04N 21/4331
Caching operations
Official title: {Caching operations, e.g. of an advertisement for later insertion during playback}
H04N21/4331 (Caching operations) appears on 2,321 US grants and 3,142 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,321
- Published applications
- 3,142
- Assignees
- 781
- Inventors
- 4,449
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 15 | 0 |
| 1998 | 15 | 0 |
| 1999 | 25 | 0 |
| 2000 | 22 | 0 |
| 2001 | 34 | 35 |
| 2002 | 35 | 237 |
| 2003 | 33 | 194 |
| 2004 | 31 | 168 |
| 2005 | 37 | 123 |
| 2006 | 64 | 136 |
| 2007 | 65 | 190 |
| 2008 | 58 | 189 |
| 2009 | 62 | 162 |
| 2010 | 123 | 132 |
| 2011 | 109 | 110 |
| 2012 | 126 | 110 |
| 2013 | 124 | 144 |
| 2014 | 196 | 150 |
| 2015 | 145 | 146 |
| 2016 | 163 | 124 |
| 2017 | 121 | 116 |
| 2018 | 107 | 100 |
| 2019 | 88 | 91 |
| 2020 | 115 | 100 |
| 2021 | 89 | 99 |
| 2022 | 83 | 68 |
| 2023 | 75 | 67 |
| 2024 | 61 | 56 |
| 2025 | 60 | 52 |
| 2026 | 27 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for streaming session data management6 Oct 2026US 12,754,850 B2DISH Network Technologies India Private Limited
- Data caching method and electronic device6 Oct 2026US 12,756,891 B2Huawei Technologies Co., Ltd.
- Terminal, method and computer program6 Oct 2026US 12,756,892 B217LIVE Japan Inc.
- Method and apparatus for dynamically downloading a video, electronic device and storage medium22 Sep 2026US 12,744,960 B2Beijing Bytedance Network Technology Co., Ltd.
- Systems and methods for playing media assets stored on a digital video recorder based on a determined beginning of a recorded program22 Sep 2026US 12,744,965 B2DISH Network L.L.C.
- Systems and methods for playing media assets stored on a digital video recorder based on a determined beginning of a recorded program8 Oct 2026US 2026/0313199 A1DISH Network L.L.C.
- digital contents receiving apparatus1 Oct 2026US 2026/0303892 A1NL Giken Incorporated
- Services over wireless communication with high flexibility and efficiency1 Oct 2026US 2026/0303900 A1
- Video data transmission method and device, storage medium, and system17 Sep 2026US 2026/0281496 A1Cloud Intelligence Assets Holding (Singapore) Private Limited
- Method for managing time-shifted access to chunks of content having been broadcast in real time10 Sep 2026US 2026/0270501 A1
Most cited
By later US patents
- System and method for providing content, management, and interactivity for client devices1,890US 7,130,616 B2Simple Devices · 2006
- System and method for delivery of video data over a computer network1,423US 5,956,716 AIntervu, Inc. · 1999
- Network controller for cable television delivery systems1,167US 5,600,364 ADiscovery Communications, Inc. · 1997
- Terminal for suggesting programs offered on a television program delivery system1,065US 5,798,785 ADiscovery Communications, Inc. · 1998
- Television program delivery system971US 5,559,549 ADiscovery Communications, Inc. · 1996