G11B 20/00384
The key being derived from a physical signature of the record carrier
Official title: {the key being derived from a physical signature of the record carrier, e.g. unique feature set}
G11B20/00384 (The key being derived from a physical signature of the record carrier) appears on 43 US grants and 23 published applications in this corpus.
Search patents in G11B- Granted patents
- 43
- Published applications
- 23
- Assignees
- 11
- Inventors
- 40
- Latest grant
- 25 Jun 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 2 |
| 2002 | 5 | 4 |
| 2003 | 3 | 1 |
| 2004 | 5 | 3 |
| 2005 | 1 | 1 |
| 2006 | 5 | 6 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 2 | 2 |
| 2010 | 1 | 0 |
| 2011 | 2 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk25 Jun 2013US 8,472,291 B2Panasonic Corporation
- Reliable storage medium access control method and device22 Nov 2011US 8,065,533 B2Intrinsic Id B.V.
- Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk6 Sep 2011US 8,014,236 B2Panasonic Corporation
- System for copy protection of an information carrier12 Jan 2010US 7,646,869 B2Koninklijke Philips Electronics N. V.
- Reliable storage medium access control method and device28 Jul 2009US 7,568,113 B2
- Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk24 Nov 2011US 2011/0286315 A1Panasonic Corporation
- Reliable storage medium access control method and device15 Oct 2009US 2009/0259852 A1Intrinsic Id B.V.
- Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk2 Jul 2009US 2009/0168619 A1Panasonic Corporation
- Record Carrier with Copy Protection Means27 Nov 2008US 2008/0291801 A1Koninklijke Philips Electronics N. V.
- Method for Securing a Hard Drive and Preventing Cloning or Tampering Attacks18 Oct 2007US 2007/0244827 A1Sony Corporation
Most cited
By later US patents
- Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk108US 6,052,465 AMatsushita Electric Industrial Co., Ltd. · 2000
- Method for minimizing pirating and/or unauthorized copying and/or unauthorized access of/to data on/from data media including compact discs and digital versatile discs, and system and data media for same50US 6,684,199 B1Recording Industry Association of America · 2004
- Encrypting method and apparatus, recording method, decrypting method and apparatus, and recording medium48US 5,917,910 ASony Corporation · 1999
- Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk18US 7,520,001 B2Panasonic Corporation · 2009
- Optical disk, optical disk barcode forming method, optical disk reproduction apparatus, marking forming apparatus, method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk17US 6,285,762 B1Matsushita Electric Industrial Co., Ltd. · 2001