G11B 20/00724
Wherein a prepaid credit balance is registered on the recording medium
Official title: {wherein a prepaid credit balance is registered on the recording medium}
G11B20/00724 (Wherein a prepaid credit balance is registered on the recording medium) appears on 35 US grants and 42 published applications in this corpus.
Search patents in G11B- Granted patents
- 35
- Published applications
- 42
- Assignees
- 15
- Inventors
- 81
- Latest grant
- 8 Dec 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 8 |
| 2004 | 6 | 4 |
| 2005 | 2 | 5 |
| 2006 | 0 | 2 |
| 2007 | 5 | 7 |
| 2008 | 2 | 4 |
| 2009 | 2 | 0 |
| 2010 | 2 | 7 |
| 2011 | 2 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method, apparatus, and recording medium for recording multimedia content8 Dec 2015US 9,208,816 B2Thomson Licensing
- Method for providing a suggested read list of digital data to a host device20 May 2014US 8,732,179 B2SanDisk IL Ltd.
- Recording medium and apparatus for protecting copyrighted digital data9 Oct 2012US 8,284,512 B2Sony Corporation
- Method and apparatus for providing prepaid music card for deciphering recorded broadcast audio signals8 Nov 2011US 8,054,968 B2Sirius XM Radio Inc.
- Optical disk and optical disk reproducing device11 Jan 2011US 7,869,328 B2Panasonic Corporation
- Recording medium and apparatus for protecting copyrighted digital data2 May 2013US 2013/0108243 A1Sony Corporation
- Recording medium and apparatus for protecting copyrighted digital data25 Apr 2013US 2013/0100553 A1Sony Corporation
- Method for Secure Storage and Delivery of Media Content1 Jul 2010US 2010/0169222 A1
- Method for providing a suggested read list of digital data to a host device24 Jun 2010US 2010/0161633 A1SanDisk IL Ltd.
- Method for Secure Storage and Delivery of Media Content3 Jun 2010US 2010/0138673 A1
Most cited
By later US patents
- Content providing system79US 6,201,771 B1Sony Corporation · 2001
- Downloading compressed audio data from a server and detecting recording inhibiting information78US 6,011,761 ASony Corporation · 2000
- Recording medium having content identification section74US 6,452,874 B1Sony Corporation · 2002
- Recording and reproducing system for protecting copyrighted data47US 5,923,486 ASony Corporation · 1999
- Magneto-optical disc having preformatted information to prevent unauthorized data duplication46US 5,650,991 ASony Corporation · 1997