G11B 20/00362
The key being obtained from a media key block [mkb]
Official title: {the key being obtained from a media key block [MKB]}
G11B20/00362 (The key being obtained from a media key block [mkb]) appears on 114 US grants and 164 published applications in this corpus.
Search patents in G11B- Granted patents
- 114
- Published applications
- 164
- Assignees
- 36
- Inventors
- 204
- Latest grant
- 14 Jul 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 13 |
| 2003 | 2 | 5 |
| 2004 | 3 | 11 |
| 2005 | 5 | 18 |
| 2006 | 9 | 6 |
| 2007 | 4 | 28 |
| 2008 | 6 | 20 |
| 2009 | 9 | 17 |
| 2010 | 11 | 16 |
| 2011 | 15 | 7 |
| 2012 | 13 | 11 |
| 2013 | 17 | 6 |
| 2014 | 10 | 3 |
| 2015 | 5 | 1 |
| 2016 | 2 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Information processing device and information processing method14 Jul 2020US 10,713,336 B2Sony Corporation
- Information carrier comprising access information1 Aug 2017US 9,720,622 B2Koninklijke Philips N. V.
- Reducing errors in sending file attachments7 Jun 2016US 9,361,933 B2International Business Machines Corporation
- Method, system and program product for attaching a title key to encrypted content for synchronized transmission to a recipient29 Mar 2016US 9,300,465 B2International Business Machines Corporation
- Recording device, and content-data playback system14 Jul 2015US 9,083,512 B2Kabushiki Kaisha Toshiba
- Information processing device, and information processing method, and program23 Aug 2018US 2018/0239879 A1Sony Corporation
- Recording device, and content-data playback system17 Sep 2015US 2015/0261941 A1Kabushiki Kaisha Toshiba
- Information carrier comprising access information29 May 2014US 2014/0149661 A1Koninklijke Philips Electronics N. V.
- Apparatus, method, and computer program product for processing information13 Mar 2014US 2014/0075207 A1Kabushiki Kaisha Toshiba
- Recording device, and content-data playback system6 Feb 2014US 2014/0040634 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- System for encrypting broadcast programs in the presence of compromised receiver devices188US 6,118,873 AInternational Business Machines Corporation · 2000
- System and method for securely checking in and checking out digitized content94US 6,748,539 B1International Business Machines Corporation · 2004
- Content guard system for copy protection of recordable media91US 6,832,319 B1Intel Corporation · 2004
- Content processing system and content protecting method67US 6,993,135 B2Kabushiki Kaisha Toshiba · 2006
- Information processing device, information recording medium and information processing method, and computer program56US 7,661,000 B2Sony Corporation · 2010