G11B 20/00442
Content protection for recordable media [cprm]
Official title: {content protection for recordable media [CPRM]}
G11B20/00442 (Content protection for recordable media [cprm]) appears on 14 US grants and 24 published applications in this corpus.
Search patents in G11B- Granted patents
- 14
- Published applications
- 24
- Assignees
- 11
- Inventors
- 60
- Latest grant
- 10 Jun 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 7 |
| 2008 | 0 | 4 |
| 2009 | 0 | 2 |
| 2010 | 2 | 4 |
| 2011 | 5 | 0 |
| 2012 | 3 | 4 |
| 2013 | 2 | 0 |
| 2014 | 2 | 0 |
By publication year.
Recent patents
- Interoperable digital rights management10 Jun 2014US 8,750,523 B2Disney Enterprises, Inc.
- System and method for protection of content stored in a storage device8 Apr 2014US 8,694,799 B2International Business Machines Corporation
- Playback device, recording medium, playback method and program5 Mar 2013US 8,391,110 B2Panasonic Corporation
- Recording medium, and device and method for recording information on recording medium5 Mar 2013US 8,393,005 B2Panasonic Corporation
- Interoperable digital rights management29 May 2012US 8,190,918 B2Disney Enterprises, Inc.
- Content distribution with renewable content protection25 Oct 2012US 2012/0272068 A9
- Interoperable Digital Rights Management6 Sep 2012US 2012/0224696 A1Disney Enterprises, Inc.
- Information distribution system, its distribution center apparatus and user terminal apparatus, and information storage medium usable for the system17 May 2012US 2012/0119483 A1Kabushiki Kaisha Toshiba
- Playback device, recording medium, playback method and program5 Jan 2012US 2012/0002520 A1Panasonic Corporation
- Information processor, optical disc failure analysis method, and computer product28 Oct 2010US 2010/0271913 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Recording device, replay device, integrated circuit, and control program18US 7,979,915 B2Panasonic Corporation · 2011
- Storage medium conversion method, non-transitory computer readable storage medium and device11US 7,890,773 B2Kabushiki Kaisha Toshiba · 2011
- Playback device, recording medium, playback method and program5US 8,391,110 B2Panasonic Corporation · 2013
- Method of copying and decrypting encrypted digital data and apparatus therefor4US 7,987,361 B2Samsung Electronics Co., Ltd. · 2011
- Apparatus, method, and computer program product for recording content3US 8,031,868 B2Kabushiki Kaisha Toshiba · 2011