G11B 20/00137
Involving measures which result in a restriction to contents recorded on or
Official title: {involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users}
G11B20/00137 (Involving measures which result in a restriction to contents recorded on or) appears on 415 US grants and 415 published applications in this corpus.
Search patents in G11B- Granted patents
- 415
- Published applications
- 415
- Assignees
- 143
- Inventors
- 607
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 13 | 0 |
| 2000 | 21 | 0 |
| 2001 | 19 | 12 |
| 2002 | 26 | 67 |
| 2003 | 35 | 31 |
| 2004 | 26 | 33 |
| 2005 | 15 | 50 |
| 2006 | 22 | 29 |
| 2007 | 22 | 35 |
| 2008 | 15 | 28 |
| 2009 | 29 | 46 |
| 2010 | 35 | 24 |
| 2011 | 25 | 16 |
| 2012 | 24 | 11 |
| 2013 | 8 | 9 |
| 2014 | 20 | 8 |
| 2015 | 13 | 4 |
| 2016 | 6 | 1 |
| 2017 | 1 | 1 |
| 2018 | 5 | 4 |
| 2019 | 3 | 0 |
| 2020 | 3 | 5 |
| 2021 | 2 | 0 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of inserting audio-watermark specialized for music usage and NFT and providing music source11 Aug 2026US 12,705,319 B2
- Media device content review and management24 May 2022US 11,343,286 B2Eturi Corp.
- Information processing apparatus, information recording medium, information processing method, and program22 Feb 2022US 11,259,073 B2Sony Corporation
- Method and system for watermarking video media to trace video distribution7 Dec 2021US 11,195,556 B2
- Methods and systems for use in customizing displayed content associated with a portable storage medium5 Oct 2021US 11,137,966 B2Deluxe Media Inc.
- Method of inserting audio-watermark specialized for music usage and nft and providing music source29 May 2025US 2025/0174239 A1
- Method and system for watermarking video media to trace video distribution27 Aug 2020US 2020/0273496 A1
- Information processing apparatus, information recording medium, information processing method, and program2 Apr 2020US 2020/0107067 A1Sony Corporation
- Media device content review and management16 Jan 2020US 2020/0021621 A1Eturi Corp.
- Media device content review and management16 Jan 2020US 2020/0021622 A1Eturi Corp.
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
- 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
- Media content protection utilizing public key cryptography501US 6,550,011 B1Hewlett-Packard Development Company, L. P. · 2003
- Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels387US 6,240,185 B1Intertrust Technologies Corporation · 2001