H04N 21/4182
For identification purposes
Official title: {for identification purposes, e.g. storing user identification data, preferences, personal settings or data (restricting access to computer systems by authenticating users using a predetermined code in combination with an additional device, e.g. dongle or smart card G06F21/123)}
H04N21/4182 (For identification purposes) appears on 166 US grants and 260 published applications in this corpus.
Search patents in H04N- Granted patents
- 166
- Published applications
- 260
- Assignees
- 130
- Inventors
- 390
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 4 |
| 2002 | 1 | 11 |
| 2003 | 2 | 12 |
| 2004 | 1 | 27 |
| 2005 | 4 | 10 |
| 2006 | 3 | 9 |
| 2007 | 7 | 14 |
| 2008 | 9 | 14 |
| 2009 | 4 | 18 |
| 2010 | 7 | 15 |
| 2011 | 8 | 16 |
| 2012 | 11 | 12 |
| 2013 | 13 | 12 |
| 2014 | 18 | 18 |
| 2015 | 17 | 9 |
| 2016 | 10 | 14 |
| 2017 | 13 | 6 |
| 2018 | 6 | 8 |
| 2019 | 5 | 6 |
| 2020 | 7 | 11 |
| 2021 | 8 | 5 |
| 2022 | 1 | 3 |
| 2023 | 3 | 3 |
| 2024 | 3 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Secure management of accounts on display devices using a contactless card5 May 2026US 12,621,155 B2Capital One Services, LLC
- Interactive notifications between a media device and a secondary device12 Aug 2025US 12,389,081 B2OpenTV, Inc.
- Networking modules for display systems9 Apr 2024US 11,956,493 B2Blonder-Tongue Laboratories, Inc.
- Secure management of accounts on display devices using a contactless card13 Feb 2024US 11,902,442 B2Capital One Services, LLC
- Control method of playing content and content playing apparatus performing the same13 Feb 2024US 11,902,626 B2Samsung Electronics Co., Ltd.
- Server device, display device, and program23 Jul 2026US 2026/0214287 A1Radius Inc.
- Audio output system and audio content output device20 Nov 2025US 2025/0355615 A1Kokozi Co., Ltd
- Secure management of accounts on display devices using a contactless card6 Jun 2024US 2024/0187236 A1Capital One Services, LLC
- System and method for encrypted multimedia information management30 Nov 2023US 2023/0388107 A1
- Signal processing device and image display apparatus including same24 Aug 2023US 2023/0269417 A1LG Electronics Inc.
Most cited
By later US patents
- System and method for using television schedule information551US 6,323,911 B1Starsight Telecast, Inc. · 2001
- Audiovisual information management system435US 6,236,395 B1Sharp Laboratories of America, Inc. · 2001
- System, method, and apparatus for securely providing content viewable on a secure device221US 7,007,170 B2Widevine Technologies, Inc. · 2006
- System, method, and apparatus for securely providing content viewable on a secure device148US 7,640,435 B2Widevine Technologies, Inc. · 2009
- System and method for providing conditional access to digital content136US 6,865,555 B2Digeo, Inc. · 2005