H04N 21/8453
By locking or enabling a set of features
Official title: {by locking or enabling a set of features, e.g. optional functionalities in an executable program}
H04N21/8453 (By locking or enabling a set of features) appears on 182 US grants and 230 published applications in this corpus.
Search patents in H04N- Granted patents
- 182
- Published applications
- 230
- Assignees
- 131
- Inventors
- 389
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 5 |
| 2002 | 1 | 10 |
| 2003 | 5 | 8 |
| 2004 | 1 | 11 |
| 2005 | 1 | 12 |
| 2006 | 3 | 5 |
| 2007 | 4 | 10 |
| 2008 | 6 | 10 |
| 2009 | 4 | 22 |
| 2010 | 6 | 12 |
| 2011 | 6 | 8 |
| 2012 | 11 | 10 |
| 2013 | 13 | 9 |
| 2014 | 10 | 12 |
| 2015 | 13 | 12 |
| 2016 | 7 | 8 |
| 2017 | 17 | 19 |
| 2018 | 9 | 10 |
| 2019 | 17 | 7 |
| 2020 | 10 | 4 |
| 2021 | 5 | 4 |
| 2022 | 6 | 6 |
| 2023 | 3 | 6 |
| 2024 | 6 | 6 |
| 2025 | 4 | 2 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for implementing a locked mode for viewing media assets26 May 2026US 12,641,314 B2Adeia Guides Inc.
- Same-screen interaction control method and apparatus, and electronic device and non-transitory storage medium17 Mar 2026US 12,581,152 B2Guangzhou Boguan Telecommunication Technology Co., Ltd.
- Detecting and removing media modifications for identification services and copyright compliance6 Jan 2026US 12,520,019 B2Audible Magic Corporation
- Signaling replacement of video data units in a picture-in-picture region4 Nov 2025US 12,464,137 B2Lemon Inc.
- Reception apparatus, reception method, and program for switching between first and second content23 Sep 2025US 12,425,691 B2Saturn Licensing LLC
- Methods and systems for implementing a locked mode for viewing media assets24 Sep 2026US 2026/0292302 A1Adeia Guides Inc.
- A method of generating video content25 Jun 2026US 2026/0181195 A1Flok Health Ltd
- Detecting and removing media modifications for identification services and copyright compliance10 Apr 2025US 2025/0119626 A1Audible Magic Corporation
- Automated video clip non-fungible token (nft) generation9 Jan 2025US 2025/0015997 A1Nagravision Sarl
- Method for managing playback of multimedia content26 Dec 2024US 2024/0430531 A1
Most cited
By later US patents
- Method and apparatus for transmitting and receiving television program information842US 5,038,211 AThe SuperGuide Corporation · 1991
- Streaming information appliance with buffer read and write synchronization253US 6,378,035 B1Microsoft Corporation · 2002
- Analyzing, indexing and seeking of streaming information188US 6,535,920 B1Microsoft Corporation · 2003
- Interactive, multi-user media delivery system166US 7,711,774 B1Reagan Inventions, LLC · 2010
- User profile information data structure based on user preference and multimedia data browsing system using the same104US 7,318,104 B1LG Electronics Inc. · 2008