G11B 20/00876
Wherein physical copy protection means are attached to the medium
Official title: {wherein physical copy protection means are attached to the medium, e.g. holograms, sensors, or additional semiconductor circuitry}
G11B20/00876 (Wherein physical copy protection means are attached to the medium) appears on 338 US grants and 320 published applications in this corpus.
Search patents in G11B- Granted patents
- 338
- Published applications
- 320
- Assignees
- 120
- Inventors
- 463
- Latest grant
- 13 Oct 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 15 | 0 |
| 1999 | 13 | 0 |
| 2000 | 16 | 0 |
| 2001 | 15 | 8 |
| 2002 | 15 | 29 |
| 2003 | 22 | 35 |
| 2004 | 17 | 23 |
| 2005 | 16 | 50 |
| 2006 | 34 | 37 |
| 2007 | 30 | 44 |
| 2008 | 34 | 25 |
| 2009 | 16 | 29 |
| 2010 | 16 | 13 |
| 2011 | 12 | 8 |
| 2012 | 12 | 3 |
| 2013 | 15 | 6 |
| 2014 | 7 | 4 |
| 2015 | 6 | 3 |
| 2016 | 5 | 1 |
| 2017 | 0 | 0 |
| 2018 | 4 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for information carrier authentication13 Oct 2020US 10,803,900 B2Intrinsic Id B.V.
- Method for creating RFID copy sheets19 Jun 2018US 10,002,636 B1Lexmark International, Inc.
- User authentication in a removable media storage system29 May 2018US 9,984,008 B1International Business Machines Corporation
- Apparatus and system to secure and maintain integrity of a physical disc20 Feb 2018US 9,899,054 B2
- Out-of band tokens for rights access13 Feb 2018US 9,892,241 B2Time Warner, Inc.
- User authentication in a removable media storage system17 May 2018US 2018/0137063 A1International Business Machines Corporation
- User authentication in a removable media storage system17 May 2018US 2018/0137064 A1International Business Machines Corporation
- Out-of-band tokens for rights access28 Apr 2016US 2016/0117486 A1Time Warner, Inc.
- Bulk data erase utilizing an encryption technique12 Nov 2015US 2015/0324596 A1International Business Machines Corporation
- Method and apparatus for information carrier authentication5 Feb 2015US 2015/0040247 A1Intrinsic Id B.V.
Most cited
By later US patents
- Digital watermarks and methods for security documents503US 6,345,104 B12002
- Digital watermarks and methods for security documents266US 6,750,985 B2Digimarc Corporation · 2004
- Method and apparatus for fingerprinting and authenticating various magnetic media210US 5,920,628 AWashington University · 1999
- Presentation of media content from multiple media sources179US 7,178,106 B2Sonic Solutions, a California corporation · 2007
- Mark forming apparatus, method of forming laser mark on optical disk, reproducing apparatus, optical disk and method of producing optical disk167US 5,761,301 AMatsushita Electric Industrial Co., Ltd. · 1998