G11B 20/00673
Wherein the erased or nullified data include a cryptographic key
Official title: {wherein the erased or nullified data include a cryptographic key}
G11B20/00673 (Wherein the erased or nullified data include a cryptographic key) appears on 36 US grants and 48 published applications in this corpus.
Search patents in G11B- Granted patents
- 36
- Published applications
- 48
- Assignees
- 32
- Inventors
- 65
- Latest grant
- 17 Nov 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 6 |
| 2003 | 1 | 6 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 10 |
| 2007 | 4 | 4 |
| 2008 | 0 | 5 |
| 2009 | 4 | 2 |
| 2010 | 6 | 1 |
| 2011 | 2 | 2 |
| 2012 | 2 | 3 |
| 2013 | 3 | 1 |
| 2014 | 4 | 3 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Physical digital media delivery17 Nov 2020US RE48,313 E1Cufer Asset Ltd. L.L.C.
- Storage device, storage system, and authentication method23 Jun 2015US 9,064,108 B2Kabushiki Kaisha Toshiba
- Imaging apparatus and image capturing method for increasing security of a captured image file18 Nov 2014US 8,890,976 B2Ricoh Company, Ltd.
- Apparatus and method for decoding digital image and audio signals19 Aug 2014US 8,813,137 B2QUALCOMM Incorporated
- Storage device, storage system, and authentication method15 Jul 2014US 8,782,804 B2Kabushiki Kaisha Toshiba
- Storage device, storage system, and authentication method20 Aug 2015US 2015/0235020 A1Kabushiki Kaisha Toshiba
- Storage device, storage system, and authentication method2 Oct 2014US 2014/0298448 A1Kabushiki Kaisha Toshiba
- System for controlling access and distribution of digital property1 May 2014US 2014/0123218 A1Intellectual Ventures II LLC
- Method and device for controlling distribution and use of digital works6 Feb 2014US 2014/0040143 A1Koninklijke Philips N. V.
- Physical Digital Media Delivery7 Mar 2013US 2013/0061063 A1Drakez Tokaj Rt. L.L.C.
Most cited
By later US patents
- System for controlling access and distribution of digital property1,018US 5,933,498 AMRJ, Inc. · 1999
- System for controlling access and distribution of digital property681US 6,314,409 B1Veridian Information Solutions, Inc. · 2001
- Method and apparatus for copy protection258US 6,523,113 B1Apple Computer, Inc. · 2003
- Storage device having a nonvolatile memory for storing user changeable operating parameters163US 5,930,358 AMitsubishi Chemical America, Inc. · 1999
- Copy protection for recorded media102US 5,923,754 ACompaq Computer Corporation · 1999