G11B 20/00188
Involving measures which result in a restriction to authorised devices recording or
Official title: {involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier}
G11B20/00188 (Involving measures which result in a restriction to authorised devices recording or) appears on 384 US grants and 428 published applications in this corpus.
Search patents in G11B- Granted patents
- 384
- Published applications
- 428
- Assignees
- 118
- Inventors
- 599
- Latest grant
- 13 Apr 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 11 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 11 |
| 2002 | 17 | 63 |
| 2003 | 23 | 32 |
| 2004 | 22 | 48 |
| 2005 | 15 | 37 |
| 2006 | 20 | 27 |
| 2007 | 29 | 53 |
| 2008 | 22 | 39 |
| 2009 | 32 | 34 |
| 2010 | 40 | 21 |
| 2011 | 23 | 14 |
| 2012 | 28 | 13 |
| 2013 | 10 | 13 |
| 2014 | 20 | 6 |
| 2015 | 11 | 5 |
| 2016 | 4 | 5 |
| 2017 | 2 | 4 |
| 2018 | 5 | 1 |
| 2019 | 5 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Encoding-locked method for audio processing and audio processing system13 Apr 2021US 10,977,378 B2Silicon Integrated Systems Corp.
- Physical digital media delivery17 Nov 2020US RE48,313 E1Cufer Asset Ltd. L.L.C.
- Information processing device, information recording medium, and information processing method25 Feb 2020US 10,572,394 B2Sony Corporation
- Audio-based internet search methods and sub-combinations22 Oct 2019US 10,449,797 B2Digimarc Corporation
- Playback method and playback device22 Oct 2019US 10,455,189 B2Panasonic Intellectual Property Management Co., Ltd.
- Magnetic recording medium processing device26 Mar 2020US 2020/0098393 A1Nidec Sankyo Corporation
- Playback method and playback device25 Jul 2019US 2019/0230316 A1Panasonic Intellectual Property Management Co., Ltd.
- Playback method and playback device17 May 2018US 2018/0139406 A1Panasonic Intellectual Property Management Co., Ltd.
- Encoding-locked method for audio processing and audio receiving device16 Nov 2017US 2017/0329977 A1Silicon Integrated Systems Corp.
- Information processing device, information recording medium, and information processing method, and program9 Nov 2017US 2017/0322890 A1Sony Corporation
Most cited
By later US patents
- Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels1,021US 5,943,422 AIntertrust Technologies Corporation · 1999
- Digital information library and delivery system with logic for generating files targeted to the playback device846US 5,926,624 AAudible, Inc. · 1999
- Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management720US 6,658,568 B1Intertrust Technologies Corporation · 2003
- Systems and methods using cryptography to protect secure computing environments603US 6,157,721 AIntertrust Technologies Corporation · 2000
- Digital information library and delivery system with logic for generating files targeting a playback device425US 6,560,651 B2Audible, Inc. · 2003