G11B 20/00768
Wherein copy control information is used
Official title: {wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags}
G11B20/00768 (Wherein copy control information is used) appears on 408 US grants and 423 published applications in this corpus.
Search patents in G11B- Granted patents
- 408
- Published applications
- 423
- Assignees
- 71
- Inventors
- 492
- Latest grant
- 12 Nov 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 12 | 0 |
| 2000 | 9 | 0 |
| 2001 | 15 | 11 |
| 2002 | 26 | 90 |
| 2003 | 35 | 50 |
| 2004 | 38 | 38 |
| 2005 | 25 | 43 |
| 2006 | 30 | 31 |
| 2007 | 47 | 62 |
| 2008 | 28 | 44 |
| 2009 | 26 | 20 |
| 2010 | 31 | 10 |
| 2011 | 21 | 8 |
| 2012 | 18 | 7 |
| 2013 | 13 | 7 |
| 2014 | 8 | 1 |
| 2015 | 4 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- System and method for controlled copying and moving of content between devices and domains based on conditional encryption of content key depending on usage state12 Nov 2019US RE47,730 E1Nokia Technologies Oy
- System and method for controlled copying and moving of content between devices and domains based on conditional encryption of content key depending on usage state3 Sep 2019US RE47,595 E1Nokia Technologies Oy
- Digital watermarking and fingerprinting applications for copy protection24 May 2016US 9,349,411 B2Digimarc Corporation
- Method and apparatus for managing contents16 Jun 2015US 9,058,837 B2Samsung Electronics Co., Ltd.
- Content providing device, data processing method, and computer program12 May 2015US 9,032,019 B2Sony Corporation
- Copy protection using detailed copy control information5 Nov 2015US 2015/0317460 A1Sony Corporation
- Trusted infrastructure support systems, methods and techniques for secure electronic commerce, electronic transactions and rights management25 Dec 2014US 2014/0380408 A1Intertrust Technologies Corporation
- Information storage medium, information recording method, information playback method, information recording apparatus, and information playback apparatus28 Nov 2013US 2013/0315563 A1Kabushiki Kaisha Toshiba
- Information recording medium, information recording/playback method, and information recording/playback apparatus21 Nov 2013US 2013/0308923 A1Kabushiki Kaisha Toshiba
- Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels7 Nov 2013US 2013/0298249 A1Intertrust Technologies Corporation
Most cited
By later US patents
- Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels1,021US 5,943,422 AIntertrust Technologies Corporation · 1999
- Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management720US 6,658,568 B1Intertrust Technologies Corporation · 2003
- Systems and methods using cryptography to protect secure computing environments603US 6,157,721 AIntertrust Technologies Corporation · 2000
- Media content protection utilizing public key cryptography501US 6,550,011 B1Hewlett-Packard Development Company, L. P. · 2003
- Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels387US 6,240,185 B1Intertrust Technologies Corporation · 2001