H04N 21/4623
Processing of entitlement messages
Official title: Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message] {(arrangements for conditional access to broadcast information or to broadcast-related services H04H60/14)}
H04N21/4623 (Processing of entitlement messages) appears on 955 US grants and 1,153 published applications in this corpus.
Search patents in H04N- Granted patents
- 955
- Published applications
- 1,153
- Assignees
- 363
- Inventors
- 1,760
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 10 | 0 |
| 2000 | 13 | 0 |
| 2001 | 11 | 16 |
| 2002 | 11 | 32 |
| 2003 | 10 | 58 |
| 2004 | 18 | 69 |
| 2005 | 21 | 78 |
| 2006 | 46 | 98 |
| 2007 | 34 | 119 |
| 2008 | 31 | 85 |
| 2009 | 51 | 77 |
| 2010 | 78 | 88 |
| 2011 | 64 | 60 |
| 2012 | 65 | 53 |
| 2013 | 73 | 53 |
| 2014 | 76 | 46 |
| 2015 | 66 | 35 |
| 2016 | 48 | 33 |
| 2017 | 35 | 31 |
| 2018 | 31 | 29 |
| 2019 | 31 | 13 |
| 2020 | 22 | 22 |
| 2021 | 21 | 15 |
| 2022 | 19 | 12 |
| 2023 | 11 | 9 |
| 2024 | 11 | 8 |
| 2025 | 6 | 9 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Broadcast receiving apparatus, broadcast receiving method, and contents outputting method28 Jul 2026US 12,695,938 B2Maxell, Ltd.
- Consumer electronic registration, control and support concierge device and method21 Jul 2026US 12,689,691 B2NexStep, Inc.
- Broadcast receiving apparatus and portable information terminal2 Jun 2026US 12,647,652 B2Maxell, Ltd.
- Smart card interface, data transmission method and television chip21 Apr 2026US 12,610,102 B2Beijing ESWIN Computing Technology Co., Ltd.
- Content protection10 Feb 2026US 12,549,786 B2Nagravision Sarl
- Broadcast receiving apparatus and portable information terminal8 Oct 2026US 2026/0313200 A1Maxell, Ltd.
- Conditional access system based audience measurement13 Aug 2026US 2026/0238851 A1Nagravision Sarl
- Content protection4 Jun 2026US 2026/0156307 A1Nagravision Sarl
- Initialization Encryption for Streaming Content14 May 2026US 2026/0135838 A1Combined Conditional Access Development And Support, LLC
- Techniques for securing live positioning signals29 Jan 2026US 2026/0029542 A1OpenTV, Inc.
Most cited
By later US patents
- Systems and methods for secure transaction management and electronic rights protection3,563US 5,892,900 AIntertrust Technologies Corporation · 1999
- System for transmitting information provided with means for controlling access to the information transmitted409US 4,323,921 AEtablissement Public de Diffusion dit "Telediffusion de France" · 1982
- Independent external security module for a digitally upgradeable television signal decoder368US 5,237,610 AScientific-Atlanta, Inc. · 1993
- Methods for providing conditional access information to decoders in a packet-based multiplexed communications system297US 5,420,866 AScientific-Atlanta, Inc. · 1995
- Systems and methods for secure transaction management and electronic rights protection286US 8,291,238 B2Intertrust Technologies Corporation · 2012