G11B 20/00804
Wherein the usage restriction limits the number of users or devices that
Official title: {wherein the usage restriction limits the number of users or devices that are allowed to access a given content}
G11B20/00804 (Wherein the usage restriction limits the number of users or devices that) appears on 10 US grants and 22 published applications in this corpus.
Search patents in G11B- Granted patents
- 10
- Published applications
- 22
- Assignees
- 11
- Inventors
- 46
- Latest grant
- 13 Jan 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 0 | 6 |
| 2005 | 0 | 5 |
| 2006 | 1 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 2 | 3 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Content distribution and aggregation13 Jan 2015US 8,935,532 B2Qumu Corporation
- Secure content distribution13 May 2014US 8,726,010 B2Qumu Corporation
- Digital rights management of content when content is a future live event25 Sep 2012US 8,275,709 B2ContentGuard Holdings, Inc.
- Digital rights management of content when content is a future live event17 Jan 2012US 8,099,364 B2ContentGuard Holdings, Inc.
- Content-duplication management system, apparatus and method, playback apparatus and method, and computer program6 Jul 2010US 7,752,433 B2Panasonic Corporation
- System and method for exchanging physical media for a secured digital copy30 Oct 2014US 2014/0324705 A1Fox Digital Enterprises, Inc.
- Secure content distribution24 Jul 2014US 2014/0208122 A1Qumu Corporation
- Digital rights management of content when content is a future live event23 May 2013US 2013/0133084 A1ContentGuard Holdings, Inc.
- Content list and content delivery apparatus and method13 Dec 2012US 2012/0315017 A1
- Secure content distribution26 Apr 2012US 2012/0102317 A1Rimage Corporation
Most cited
By later US patents
- Method and system for limiting multi-user play of video game cartridges79US 5,592,651 A1997
- Media protection system and method35US 7,062,045 B2Clwt, LLC · 2006
- Content duplication management system and networked apparatus20US 7,188,224 B2Matsushita Electric Industrial Co., Ltd. · 2007
- Digital rights management of content when content is a future live event18US 8,275,709 B2ContentGuard Holdings, Inc. · 2012
- Information processing system using remote control, with device and method therefor15US 7,243,131 B1Sony Corporation · 2007