G11B 20/00326
The key being embossed on the record carrier
Official title: {the key being embossed on the record carrier}
G11B20/00326 (The key being embossed on the record carrier) appears on 77 US grants and 53 published applications in this corpus.
Search patents in G11B- Granted patents
- 77
- Published applications
- 53
- Assignees
- 19
- Inventors
- 87
- Latest grant
- 25 Jun 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 3 |
| 2002 | 6 | 8 |
| 2003 | 7 | 5 |
| 2004 | 5 | 15 |
| 2005 | 3 | 2 |
| 2006 | 4 | 7 |
| 2007 | 4 | 2 |
| 2008 | 5 | 3 |
| 2009 | 6 | 5 |
| 2010 | 6 | 1 |
| 2011 | 4 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 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
- Optical disc, and production method and reproduction apparatus for optical disc14 May 2013US 8,441,911 B2JVC KENWOOD Corporation
- Method of managing copy protection information of a recording medium, recording medium with copy protection information for contents recorded thereon, and reproducing method for the recording medium3 Jan 2012US 8,090,103 B2LG Electronics Inc.
- 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
- Method of managing copy protection information of a recording medium, recording medium with copy protection information for contents recorded thereon, and reproducing method for the recording medium30 Aug 2011US 8,009,832 B2LG Electronics Inc.
- Optical disc, and production method and reproduction apparatus for optical disc28 Jun 2012US 2012/0163151 A1JVC KENWOOD Corporation
- 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
- Information recording medium, and method of manufacturing information recording medium7 Jan 2010US 2010/0002566 A1Pioneer Corporation
- Apparatus for manufacturing information record medium, information record medium, information recording apparatus and information recording method1 Oct 2009US 2009/0245061 A1Pioneer Corporation
- 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
Most cited
By later US patents
- Method for utilizing medium nonuniformities to minimize unauthorized duplication of digital information183US 5,412,718 AInstitute of Systems Science · 1995
- Method for installing a mailbox file associated with a disk storage medium135US 7,543,117 B1Western Digital Ventures, Inc. · 2009
- Optical disk, optical recorder, optical reproducer, crytocommunication system and program license system125US 6,081,785 AMatsushita Electric Industrial Co., Ltd. · 2000
- CD-ROM with machine-readable i.d. code117US 5,513,169 ADigital Audio Disc Corporation · 1996
- CD-ROM with machine-readable I.D. code114US 5,400,319 ADigital Audio Disc Corporation · 1995