H04N 21/6334
For authorisation
Official title: for authorisation, e.g. by transmitting a key {(wireless communications network key management H04W12/04; wireless communications network access security H04W12/08)}
H04N21/6334 (For authorisation) appears on 1,246 US grants and 1,585 published applications in this corpus.
Search patents in H04N- Granted patents
- 1,246
- Published applications
- 1,585
- Assignees
- 457
- Inventors
- 2,318
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 11 |
| 2002 | 12 | 64 |
| 2003 | 11 | 42 |
| 2004 | 20 | 84 |
| 2005 | 18 | 62 |
| 2006 | 33 | 105 |
| 2007 | 33 | 101 |
| 2008 | 38 | 76 |
| 2009 | 33 | 94 |
| 2010 | 39 | 72 |
| 2011 | 58 | 64 |
| 2012 | 72 | 81 |
| 2013 | 88 | 78 |
| 2014 | 103 | 89 |
| 2015 | 92 | 68 |
| 2016 | 78 | 87 |
| 2017 | 89 | 75 |
| 2018 | 74 | 63 |
| 2019 | 56 | 50 |
| 2020 | 48 | 42 |
| 2021 | 44 | 35 |
| 2022 | 42 | 33 |
| 2023 | 38 | 38 |
| 2024 | 39 | 30 |
| 2025 | 19 | 25 |
| 2026 | 16 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and device for distributing a multicast encryption key18 Aug 2026US 12,712,712 B2Koninklijke Philips N. V.
- Systems and methods for connecting a public device to a private device with pre-installed content management applications18 Aug 2026US 12,712,881 B2Adeia Guides Inc.
- Validating parameters on discrete computing applications to grant access control to content or commands16 Jun 2026US 12,659,552 B2Touchstream Technologies, Inc.
- Realtime wireless synchronization of live event audio stream with a video recording16 Jun 2026US 12,660,290 B2Bygge Technologies Inc.
- Secure content delivery to multiple client devices via a local server2 Jun 2026US 12,647,632 B2AT&T Intellectual Property I, L. P.
- Realtime wireless synchronization of live event audio stream with a video recording8 Oct 2026US 2026/0314022 A1Bygge Technologies Inc.
- Validating parameters on discrete computing applications to grant access control to content or commands24 Sep 2026US 2026/0292311 A1Touchstream Technologies, Inc.
- Method for providing authenticated digital content13 Aug 2026US 2026/0238492 A1Nagravision Sarl
- Conditional access system based audience measurement13 Aug 2026US 2026/0238851 A1Nagravision Sarl
- System and method for transcoding media stream6 Aug 2026US 2026/0230658 A1Resi Media LLC
Most cited
By later US patents
- System and method for secure purchase and delivery of video content programs716US 6,055,314 AMicrosoft Corporation · 2000
- Method and apparatus for operating a transactional server in a proprietary database environment573US 5,825,884 AThomson Consumer Electronics, Inc. · 1998
- Systems and methods for secure transaction management and electronic rights protection380US 7,095,854 B1Intertrust Technologies Corporation · 2006
- ATM packet demultiplexer for use in full service network having distributed architecture371US 5,544,161 ABell Atlantic Network Services, Inc. · 1996
- Network providing signals of different formats to a user by multplexing compressed broadband data with data of a different format into MPEG encoded data stream371US 5,666,487 ABell Atlantic Network Services, Inc. · 1997