G11B 20/00536
Wherein encrypted content data is subjected to a further, iterated encryption
Official title: {wherein encrypted content data is subjected to a further, iterated encryption, e.g. interwoven encryption}
G11B20/00536 (Wherein encrypted content data is subjected to a further, iterated encryption) appears on 84 US grants and 89 published applications in this corpus.
Search patents in G11B- Granted patents
- 84
- Published applications
- 89
- Assignees
- 29
- Inventors
- 131
- Latest grant
- 7 Jun 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 10 |
| 2003 | 1 | 18 |
| 2004 | 2 | 7 |
| 2005 | 2 | 11 |
| 2006 | 16 | 14 |
| 2007 | 5 | 10 |
| 2008 | 16 | 5 |
| 2009 | 6 | 2 |
| 2010 | 9 | 4 |
| 2011 | 9 | 4 |
| 2012 | 5 | 1 |
| 2013 | 3 | 3 |
| 2014 | 0 | 0 |
| 2015 | 2 | 0 |
| 2016 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Reducing errors in sending file attachments7 Jun 2016US 9,361,933 B2International Business Machines Corporation
- System, method and apparatus for controlling the dissemination of digital works30 Jun 2015US 9,069,935 B2
- Information processing apparatus, information processing method and program9 Jun 2015US 9,053,739 B2Sony Corporation
- Efficient rebinding of partitioned content encrypted using broadcast encryption16 Jul 2013US 8,488,793 B2International Business Machines Corporation
- System, method and apparatus for controlling the dissemination of digital works18 Jun 2013US 8,468,369 B2Qxzeb LLC
- System, method and apparatus for controlling the dissemination of digital works24 Oct 2013US 2013/0283390 A1Dual Digital Media LLC
- Information processing apparatus, information processing method and program21 Mar 2013US 2013/0073872 A1Sony Corporation
- Reducing Errors in Sending File Attachments10 Jan 2013US 2013/0013624 A1International Business Machines Corporation
- Method and apparatus for protecting digital data by double re-encryption19 Apr 2012US 2012/0093319 A1Intarsia Software LLC
- System, method and apparatus for controlling the dissemination of digital works22 Sep 2011US 2011/0229107 A1
Most cited
By later US patents
- Method and apparatus for copy protection for various recording media255US 5,513,260 AMacrovision Corporation · 1996
- Method and device for protecting digital data by double re-encryption162US 7,093,295 B12006
- Method and apparatus for copy protection for various recording media using a video finger print157US 5,659,613 AMacrovision Corporation · 1997
- Illegal view and copy protection method in digital video system and controlling method thereof123US 5,757,909 ALG Electronics Inc. · 1998
- Data authentication system119US 7,373,506 B2Sony Corporation · 2008