G11B 20/00521
Wherein each session of a multisession recording medium is encrypted with a
Official title: {wherein each session of a multisession recording medium is encrypted with a separate encryption key}
G11B20/00521 (Wherein each session of a multisession recording medium is encrypted with a) appears on 27 US grants and 32 published applications in this corpus.
Search patents in G11B- Granted patents
- 27
- Published applications
- 32
- Assignees
- 18
- Inventors
- 65
- Latest grant
- 7 Nov 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 5 |
| 2004 | 2 | 6 |
| 2005 | 0 | 3 |
| 2006 | 1 | 4 |
| 2007 | 6 | 3 |
| 2008 | 3 | 4 |
| 2009 | 2 | 0 |
| 2010 | 3 | 1 |
| 2011 | 1 | 0 |
| 2012 | 2 | 2 |
| 2013 | 2 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
By publication year.
Recent patents
- Information processing device, information processing method, and program7 Nov 2017US 9,811,670 B2Sony Corporation
- Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method11 Oct 2016US 9,467,287 B2Sony Corporation
- Information processing device, information processing method, and program20 Jan 2015US 8,938,073 B2Sony Corporation
- Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method30 Dec 2014US 8,923,511 B2Sony Corporation
- Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method26 Nov 2013US 8,594,325 B2Sony Corporation
- Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method31 Dec 2015US 2015/0381359 A1Sony Corporation
- Information processing device, information processing method, and program12 Feb 2015US 2015/0046719 A1Sony Corporation
- Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method12 Sep 2013US 2013/0236009 A1Sony Corporation
- Aligned Data Storage for Network Attached Media Streaming Systems11 Apr 2013US 2013/0091237 A1LSI Corporation
- Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method11 Oct 2012US 2012/0257744 A1Sony Corporation
Most cited
By later US patents
- Recording medium, recording apparatus and recording/reproducing system for tracking use and transfer of data69US 6,748,485 B1Sony Corporation · 2004
- Aligned data storage for network attached media streaming systems57US 8,521,955 B2LSI Corporation · 2013
- Encryption apparatus, decryption apparatus, secret key generation apparatus, and copyright protection system30US 7,484,090 B2Panasonic Corporation · 2009
- Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method29US 6,256,391 B1Sony Corporation · 2001
- Processing method and apparatus for encrypted data transfer22US 6,792,539 B1Sony Corporation · 2004