G11B 20/00586
Said format change concerning the physical format of the recording medium
Official title: {said format change concerning the physical format of the recording medium}
G11B20/00586 (Said format change concerning the physical format of the recording medium) appears on 437 US grants and 440 published applications in this corpus.
Search patents in G11B- Granted patents
- 437
- Published applications
- 440
- Assignees
- 111
- Inventors
- 485
- Latest grant
- 2 Mar 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 11 | 0 |
| 1999 | 7 | 0 |
| 2000 | 14 | 0 |
| 2001 | 16 | 14 |
| 2002 | 18 | 39 |
| 2003 | 34 | 36 |
| 2004 | 24 | 53 |
| 2005 | 17 | 44 |
| 2006 | 48 | 59 |
| 2007 | 37 | 51 |
| 2008 | 32 | 62 |
| 2009 | 47 | 39 |
| 2010 | 27 | 11 |
| 2011 | 25 | 11 |
| 2012 | 18 | 8 |
| 2013 | 13 | 4 |
| 2014 | 12 | 3 |
| 2015 | 3 | 1 |
| 2016 | 2 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Hard disk drive scrapper2 Mar 2021US 10,933,504 B2Dell Products L. P.
- Data transferring device and data transferring method6 Aug 2019US 10,373,650 B2Samsung Electronics Co., Ltd.
- Method of protection of optical media, such as CDs and DVDs against unauthorised copying and a non-standard optical audio disc and video disc with protection against loading and playing in personal computers and matrices for making thereof23 Jul 2019US 10,360,940 B2Imi Technology, S.R.O.
- Optical disk device and large-scale optical disk device22 May 2018US 9,978,421 B1Panasonic Intellectual Property Management Co., Ltd.
- Information carrier comprising access information1 Aug 2017US 9,720,622 B2Koninklijke Philips N. V.
- Hard disk drive scrapper31 Oct 2019US 2019/0329373 A1Dell Products L. P.
- A method of protection of optical media, such as CDs and DVDs against unauthorised copying and a non-standard optical audio disc and video disc with protection against loading and playing in personal computers and matrices for making thereof21 Mar 2019US 2019/0088284 A1Imi Technology, S.R.O.
- Optical disk device and large-scale optical disk device24 May 2018US 2018/0144772 A1Panasonic Intellectual Property Management Co., Ltd.
- Data transferring device and data transferring method13 Jul 2017US 2017/0200478 A1Samsung Electronics Co., Ltd.
- Anti-piracy feature for optical discs31 Mar 2016US 2016/0093324 A1Microsoft Corporation
Most cited
By later US patents
- Method and apparatus for copy protection for various recording media255US 5,513,260 AMacrovision Corporation · 1996
- Mark forming apparatus, method of forming laser mark on optical disk, reproducing apparatus, optical disk and method of producing optical disk167US 5,761,301 AMatsushita Electric Industrial Co., Ltd. · 1998
- Method and apparatus for copy protection for various recording media using a video finger print157US 5,659,613 AMacrovision Corporation · 1997
- Marking a video and/or audio signal140US 5,940,134 AU. S. Philips Corporation · 1999
- Software protection and identification system132US 4,980,782 A1990