H04N 21/2323
Using file mapping
Official title: {using file mapping}
H04N21/2323 (Using file mapping) appears on 65 US grants and 69 published applications in this corpus.
Search patents in H04N- Granted patents
- 65
- Published applications
- 69
- Assignees
- 40
- Inventors
- 119
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 0 | 3 |
| 2011 | 3 | 2 |
| 2012 | 2 | 3 |
| 2013 | 3 | 9 |
| 2014 | 8 | 11 |
| 2015 | 8 | 3 |
| 2016 | 9 | 3 |
| 2017 | 4 | 5 |
| 2018 | 3 | 0 |
| 2019 | 3 | 2 |
| 2020 | 2 | 5 |
| 2021 | 0 | 1 |
| 2022 | 3 | 3 |
| 2023 | 5 | 5 |
| 2024 | 4 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Remote virtualized asset delivery and local provisioning21 Jul 2026US 12,688,050 B2Numecent Holdings, Inc.
- Automated dynamic data extraction, distillation, and enhancement2 Dec 2025US 12,489,935 B2Torch Research, LLC
- Media stream delivery method, CDN node server, CDN system, and readable storage medium10 Jun 2025US 12,328,484 B2Zte Corporation
- Remote virtualized asset delivery and local provisioning13 Aug 2024US 12,061,648 B2Numecent Holdings, Inc.
- Method for media stream processing and apparatus for implementing the same13 Aug 2024US 12,063,393 B2Ateme
- Remote virtualized asset delivery and local provisioning13 Mar 2025US 2025/0086230 A1Numecent Holdings, Inc.
- Automated dynamic data extraction, distillation, and enhancement22 Feb 2024US 2024/0064350 A1Torch Research, LLC
- Remote virtualized asset delivery and local provisioning11 May 2023US 2023/0144263 A1Numecent Holdings, Inc.
- Preloaded content selection graph validation26 Jan 2023US 2023/0023208 A1Home Box Office, Inc.
- Automated Dynamic Data Extraction, Distillation, and Enhancement26 Jan 2023US 2023/0029096 A1Torch Research, LLC
Most cited
By later US patents
- Broadband video distribution system using segments41US 7,246,369 B1Info Valve Computing, Inc. · 2007
- Video data system with plural video data recording servers storing each camera output23US 5,923,817 AMitsubishi Denki Kabushiki Kaisha · 1999
- System and method for providing broadcast programming, a virtual VCR, and a video scrapbook to programming subscribers18US 8,584,182 B2Time Warner Cable Enterprises LLC · 2013
- Method for processing additional information related to an announced service or content in an NRT service and a broadcast receiver17US 8,407,743 B2LG Electronics Inc. · 2013
- Asynchronous shifting windows caching for forward and backward video streaming14US 8,776,158 B1EMC Corporation · 2014