H04N 21/64715
Protecting content from unauthorized alteration within the network
Official title: {Protecting content from unauthorized alteration within the network (verifying the information received for network security in communication control or processing H04L63/12; integrity in wireless network security H04W12/10)}
H04N21/64715 (Protecting content from unauthorized alteration within the network) appears on 87 US grants and 102 published applications in this corpus.
Search patents in H04N- Granted patents
- 87
- Published applications
- 102
- Assignees
- 55
- Inventors
- 161
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 3 |
| 2012 | 1 | 2 |
| 2013 | 2 | 9 |
| 2014 | 7 | 17 |
| 2015 | 15 | 17 |
| 2016 | 9 | 4 |
| 2017 | 8 | 3 |
| 2018 | 4 | 3 |
| 2019 | 6 | 7 |
| 2020 | 6 | 6 |
| 2021 | 3 | 5 |
| 2022 | 4 | 5 |
| 2023 | 8 | 5 |
| 2024 | 4 | 2 |
| 2025 | 5 | 4 |
| 2026 | 3 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Verifying the rendering of video content at client devices using trusted platform modules23 Jun 2026US 12,666,117 B2Google Inc.
- Web service client container16 Jun 2026US 12,659,430 B2Dice Corporation
- Computer-implemented methods for implementing a privacy compliance watermark that indicates one or more actions taken in the generation of modified media content according to one or more privacy settings for a client device14 Apr 2026US 12,604,050 B1Amazon Technologies, Inc.
- Protocol and system for tee-based authenticating and editing of mobile-device captured visual and audio media18 Nov 2025US 12,475,212 B2TruePic Inc.
- Authentication module for sensor data11 Nov 2025US 12,470,667 B2Trustnxt GmbH
- Video transmission method and apparatus, and electronic device and computer storage medium6 Aug 2026US 2026/0230682 A1Shenzhen Tcl New Technology Co., Ltd.
- Method for securing an aircraft video link using a protocol switch, associated system and aircraft11 Jun 2026US 2026/0164092 A1Dassault Aviation
- Authenticating content delivered in peer-to-peer networks19 Feb 2026US 2026/0052157 A1Google Inc.
- Video transmission apparatus, video reception apparatus, video transmission method, video reception method, and storage medium4 Dec 2025US 2025/0373783 A1Canon Kabushiki Kaisha
- Asserting and establishing provenance of media content during live streaming29 May 2025US 2025/0175655 A1Microsoft Technology Licensing, LLC
Most cited
By later US patents
- Systems and methods for protecting alternative streams in adaptive bitrate streaming systems77US 8,918,636 B2Sonic IP, Inc. · 2014
- Systems and methods for playing back alternative streams of protected content protected using common cryptographic information67US 8,909,922 B2Sonic IP, Inc. · 2014
- Systems and methods for playing back alternative streams of protected content protected using common cryptographic information56US 9,247,311 B2Sonic IP, Inc. · 2016
- Smartcard encryption cycling40US 8,819,722 B2EchoStar Technologies L. L. C. · 2014
- Systems and methods for playing back alternative streams of protected content protected using common cryptographic information40US 9,621,522 B2Sonic IP, Inc. · 2017