G11B 20/00753
Wherein the usage restriction limits the number of copies that can be
Official title: {wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags}
G11B20/00753 (Wherein the usage restriction limits the number of copies that can be) appears on 525 US grants and 568 published applications in this corpus.
Search patents in G11B- Granted patents
- 525
- Published applications
- 568
- Assignees
- 99
- Inventors
- 673
- 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 | 10 | 0 |
| 2001 | 17 | 13 |
| 2002 | 27 | 98 |
| 2003 | 41 | 61 |
| 2004 | 45 | 51 |
| 2005 | 31 | 63 |
| 2006 | 35 | 50 |
| 2007 | 57 | 78 |
| 2008 | 37 | 56 |
| 2009 | 37 | 29 |
| 2010 | 48 | 24 |
| 2011 | 32 | 13 |
| 2012 | 23 | 17 |
| 2013 | 28 | 10 |
| 2014 | 13 | 3 |
| 2015 | 6 | 2 |
| 2016 | 4 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 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
- Method for creating RFID copy sheets19 Jun 2018US 10,002,636 B1Lexmark International, Inc.
- Content-receiving device23 Aug 2016US 9,424,875 B2Hitachi Maxell, Ltd.
- Record-playback device19 Jul 2016US 9,396,753 B2Panasonic Intellectual Property Management Co., Ltd.
- Copy protection using detailed copy control information5 Nov 2015US 2015/0317460 A1Sony Corporation
- Copy limitation management device and method, and content storage device1 Jan 2015US 2015/0007352 A1Kabushiki Kaisha Toshiba
- Trusted infrastructure support systems, methods and techniques for secure electronic commerce, electronic transactions and rights management25 Dec 2014US 2014/0380408 A1Intertrust Technologies Corporation
- Content-receiving device11 Sep 2014US 2014/0255008 A1Hitachi Consumer Electronics Co., Ltd.
- Method and device for controlling distribution and use of digital works6 Feb 2014US 2014/0040143 A1Koninklijke Philips N. V.
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