G11B 20/0084
Wherein the usage restriction can be expressed as a specific time or
Official title: {wherein the usage restriction can be expressed as a specific time or date}
G11B20/0084 (Wherein the usage restriction can be expressed as a specific time or) appears on 248 US grants and 288 published applications in this corpus.
Search patents in G11B- Granted patents
- 248
- Published applications
- 288
- Assignees
- 93
- Inventors
- 503
- Latest grant
- 6 Nov 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 13 | 0 |
| 2001 | 14 | 5 |
| 2002 | 15 | 20 |
| 2003 | 17 | 42 |
| 2004 | 10 | 34 |
| 2005 | 10 | 23 |
| 2006 | 13 | 33 |
| 2007 | 12 | 40 |
| 2008 | 14 | 25 |
| 2009 | 19 | 21 |
| 2010 | 31 | 20 |
| 2011 | 12 | 7 |
| 2012 | 17 | 8 |
| 2013 | 13 | 6 |
| 2014 | 9 | 2 |
| 2015 | 9 | 0 |
| 2016 | 2 | 1 |
| 2017 | 2 | 1 |
| 2018 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Information processing apparatus and information processing method for decoding, reproducing and providing encrypted content6 Nov 2018US 10,120,984 B2Sony Corporation
- Reproducing apparatus, correlated information notifying method, and correlated information notifying program19 Jun 2018US 10,002,643 B2Sony Corporation
- Location-based regulation of access13 Feb 2018US 9,894,078 B2Google Inc.
- Information processing apparatus, information processing method and program20 Jun 2017US 9,684,772 B2Sony Corporation
- Data storage management and scheduling system3 Jan 2017US 9,538,243 B2TiVo Inc.
- Data storage management and scheduling system20 Apr 2017US 2017/0111695 A1TiVo Inc.
- Location-based regulation of access17 Mar 2016US 2016/0080942 A1Google Inc.
- Content-receiving device11 Sep 2014US 2014/0255008 A1Hitachi Consumer Electronics Co., Ltd.
- Secure content distribution24 Jul 2014US 2014/0208122 A1Qumu Corporation
- Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels7 Nov 2013US 2013/0298249 A1Intertrust Technologies 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
- Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels387US 6,240,185 B1Intertrust Technologies Corporation · 2001
- Apparatus for controlling the reception of transmitted programs381US 4,598,288 ACodart, Inc. · 1986
- Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels378US 6,449,367 B2Intertrust Technologies Corporation · 2002
- Copy security for portable music players345US 6,367,019 B1Liquid Audio, Inc. · 2002