G11B 20/1209
For discontinuous data
Official title: {for discontinuous data, e.g. digital information signals or computer program data}
G11B20/1209 (For discontinuous data) appears on 89 US grants and 10 published applications in this corpus.
Search patents in G11B- Granted patents
- 89
- Published applications
- 10
- Assignees
- 23
- Inventors
- 135
- Latest grant
- 8 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 10 | 0 |
| 1993 | 3 | 0 |
| 1994 | 12 | 0 |
| 1995 | 11 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 2 |
| 2002 | 6 | 0 |
| 2003 | 4 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 1 | 0 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Recording density setting method based on linear recording densit and track pitch limiting8 Sep 2020US 10,770,095 B2Kabushiki Kaisha Toshiba
- Recording apparatus and method9 Sep 2008US 7,424,206 B2Sony Corporation
- Data storage apparatus and method29 Jan 2008US 7,324,297 B2Hewlett-Packard Development Company, L. P.
- Tape drive apparatus25 Sep 2007US 7,274,526 B2Hewlett-Packard Development Company, L. P.
- Method and system of a head for a storage media14 Feb 2006US 6,999,268 B2Hewlett-Packard Development Company, L. P.
- Recording density setting method and magnetic disk device19 Nov 2020US 2020/0365175 A1Kabushiki Kaisha Toshiba
- Recording density setting method and magnetic disk device6 Feb 2020US 2020/0043521 A1Kabushiki Kaisha Toshiba
- Tape drive apparatus27 Jul 2006US 2006/0164748 A1Hewlett-Packard Development Company, L. P.
- Recording apparatus and method15 Jun 2006US 2006/0127065 A1Sony Corporation
- Data storage apparatus and method1 Jun 2006US 2006/0114592 A1Hewlett-Packard Development Company, L. P.
Most cited
By later US patents
- Method and apparatus for replacing a selected file with another longer or shorter file with no portion of the selected file remaining185US 5,677,900 ASharp Kabushiki Kaisha · 1997
- Dual channel helical recorder63US 5,142,422 AExabyte Corporation · 1992
- Apparatus and method for formatting and recording digital data on magnetic tape58US 4,835,628 AExabyte Corporation · 1989
- Storing plural data records on tape in an entity with an index entry common to those records58US 5,598,388 AHewlett-Packard Company · 1997
- Digital data tape storage system utilizing plurality of read/write heads with system diagnostic capability56US 5,287,478 AR-Byte, Inc. · 1994