G11B 20/00166
Involving measures which result in a restriction to authorised contents recorded on
Official title: {involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software}
G11B20/00166 (Involving measures which result in a restriction to authorised contents recorded on) appears on 615 US grants and 680 published applications in this corpus.
Search patents in G11B- Granted patents
- 615
- Published applications
- 680
- Assignees
- 174
- Inventors
- 906
- Latest grant
- 26 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 14 | 0 |
| 1999 | 9 | 0 |
| 2000 | 12 | 0 |
| 2001 | 12 | 18 |
| 2002 | 23 | 65 |
| 2003 | 35 | 70 |
| 2004 | 32 | 66 |
| 2005 | 19 | 59 |
| 2006 | 41 | 52 |
| 2007 | 55 | 88 |
| 2008 | 47 | 70 |
| 2009 | 43 | 48 |
| 2010 | 63 | 61 |
| 2011 | 49 | 22 |
| 2012 | 43 | 16 |
| 2013 | 27 | 11 |
| 2014 | 25 | 7 |
| 2015 | 24 | 9 |
| 2016 | 5 | 3 |
| 2017 | 5 | 3 |
| 2018 | 3 | 2 |
| 2019 | 4 | 3 |
| 2020 | 8 | 4 |
| 2021 | 0 | 2 |
| 2022 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Protections for unauthorized copying (anti-cloning) method and system26 Apr 2022US 11,316,686 B2Permanent Privacy Ltd.
- Method of playing system stream files with different recording formats1 Feb 2022US 11,238,897 B2Panasonic Intellectual Property Corporation of America
- Digital information recording apparatus, reproducing apparatus and transmitting apparatus1 Dec 2020US 10,854,237 B2Maxell, Ltd.
- Method and apparatus for information carrier authentication13 Oct 2020US 10,803,900 B2Intrinsic Id B.V.
- Method of playing system stream files with different recording formats13 Oct 2020US 10,803,901 B2Panasonic Intellectual Property Corporation of America
- Information processing system, information processing method, and program31 Mar 2022US 2022/0100820 A1Sony Group Corporation
- Enhanced content tracking system and method21 Oct 2021US 2021/0326415 A1Time Machine Capital Limited
- Digital information recording apparatus, reproducing apparatus and transmitting apparatus8 Apr 2021US 2021/0104258 A1Maxell, Ltd.
- Method of playing system stream files with different recording formats31 Dec 2020US 2020/0411045 A1Panasonic Intellectual Property Corporation of America
- Method of playing system stream files with different recording formats7 May 2020US 2020/0143833 A1Panasonic Intellectual Property Corporation of America
Most cited
By later US patents
- Methods for surveying dissemination of proprietary empirical data1,132US 5,862,260 ADigimarc Corporation · 1999
- Computer system linked by using information in data objects1,131US 6,122,403 ADigimarc Corporation · 2000
- Connected audio and other media objects859US 6,505,160 B1Digimarc Corporation · 2003
- Network linking method using steganographically embedded data objects665US 5,841,978 ADigimarc Corporation · 1998
- Graphics processing system employing embedded code signals621US 5,768,426 ADigimarc Corporation · 1998