G11B 20/00572
Involving measures which change the format of the recording medium
Official title: {involving measures which change the format of the recording medium}
G11B20/00572 (Involving measures which change the format of the recording medium) appears on 601 US grants and 610 published applications in this corpus.
Search patents in G11B- Granted patents
- 601
- Published applications
- 610
- Assignees
- 153
- Inventors
- 719
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 16 | 0 |
| 1999 | 15 | 0 |
| 2000 | 19 | 0 |
| 2001 | 19 | 17 |
| 2002 | 26 | 50 |
| 2003 | 38 | 53 |
| 2004 | 35 | 71 |
| 2005 | 23 | 77 |
| 2006 | 67 | 80 |
| 2007 | 51 | 66 |
| 2008 | 45 | 80 |
| 2009 | 57 | 49 |
| 2010 | 41 | 20 |
| 2011 | 38 | 14 |
| 2012 | 24 | 13 |
| 2013 | 20 | 6 |
| 2014 | 15 | 3 |
| 2015 | 5 | 2 |
| 2016 | 4 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 3 | 3 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Magnetic disk device21 Jan 2025US 12,205,617 B2Kabushiki Kaisha Toshiba
- Content recording apparatus, content editing apparatus, content reproduction apparatus, content recording method, content editing method, and content reproduction method25 Apr 2023US 11,636,877 B2Panasonic Intellectual Property Management Co., Ltd.
- Content recording apparatus, content editing apparatus, content reproduction apparatus, content recording method, content editing method, and content reproduction method13 Sep 2022US 11,443,768 B2Panasonic Intellectual Property Management Co., Ltd.
- Hard disk drive scrapper2 Mar 2021US 10,933,504 B2Dell Products L. P.
- Magnetic disk device configured to write parity data that is based on data being written to a parity sector when no error is detected in writing the data being written10 Dec 2019US 10,504,550 B2Kabushiki Kaisha Toshiba
- Magnetic disk device5 Sep 2024US 2024/0296869 A1Kabushiki Kaisha Toshiba
- Content recording apparatus, content editing apparatus, content reproduction apparatus, content recording method, content editing method, and content reproduction method24 Nov 2022US 2022/0375499 A1Panasonic Intellectual Property Management Co., Ltd.
- Content recording apparatus, content editing apparatus, content reproduction apparatus, content recording method, content editing method, and content reproduction method31 Dec 2020US 2020/0411046 A1Panasonic Intellectual Property Management Co., Ltd.
- Hard disk drive scrapper31 Oct 2019US 2019/0329373 A1Dell Products L. P.
- Magnetic disk device configured to write parity data that is based on data being written to a parity sector when noo error is detected in writing the data being written12 Sep 2019US 2019/0279678 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Method and apparatus for copy protection for various recording media255US 5,513,260 AMacrovision Corporation · 1996
- Method of secure server control of local media via a trigger through a network for instant local access of encrypted data on local media219US 5,892,825 A1999
- 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