G11B 20/00391
The key being stored in subcodes
Official title: {the key being stored in subcodes, e.g. in the Q subcode of a CD}
G11B20/00391 (The key being stored in subcodes) appears on 3 US grants and 3 published applications in this corpus.
Search patents in G11B- Granted patents
- 3
- Published applications
- 3
- Assignees
- 3
- Inventors
- 15
- Latest grant
- 16 Sep 2008
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| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
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Recent patents
- Recording medium, information transmission method, terminal, server, and recording method16 Sep 2008US 7,426,751 B2Sony Corporation
- Data recording method, data recording device, and recording medium27 Nov 2007US 7,302,588 B2Sony Corporation
- Optical disc copy management system18 Mar 2003US 6,535,858 B1SONY DADC Austria AG
- Information recording medium, information processing device and method10 Aug 2006US 2006/0178993 A1Sony Corporation
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- Data recording method, data recording apparatus, and recording medium21 Nov 2002US 2002/0172361 A1Sony Corporation
Most cited
By later US patents
- Optical disc copy management system60US 6,535,858 B1SONY DADC Austria AG · 2003
- Data recording method, data recording device, and recording medium11US 7,302,588 B2Sony Corporation · 2007
- Recording medium, information transmission method, terminal, server, and recording method6US 7,426,751 B2Sony Corporation · 2008