G11B 20/1207
With transverse tracks only
Official title: {with transverse tracks only}
G11B20/1207 (With transverse tracks only) appears on 300 US grants and 33 published applications in this corpus.
Search patents in G11B- Granted patents
- 300
- Published applications
- 33
- Assignees
- 48
- Inventors
- 394
- Latest grant
- 8 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 16 | 0 |
| 1993 | 9 | 0 |
| 1994 | 25 | 0 |
| 1995 | 23 | 0 |
| 1996 | 24 | 0 |
| 1997 | 23 | 0 |
| 1998 | 27 | 0 |
| 1999 | 21 | 0 |
| 2000 | 22 | 0 |
| 2001 | 19 | 7 |
| 2002 | 18 | 4 |
| 2003 | 13 | 6 |
| 2004 | 7 | 4 |
| 2005 | 2 | 5 |
| 2006 | 10 | 4 |
| 2007 | 5 | 0 |
| 2008 | 4 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 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.
Subgroups
Granted patents
Recent patents
- Recording density setting method based on linear recording densit and track pitch limiting8 Sep 2020US 10,770,095 B2Kabushiki Kaisha Toshiba
- Data formatting in data storage6 Mar 2012US 8,132,088 B2Hewlett-Packard Development Company, L. P.
- Recording and reproducing an MPEG information signal on/from a record carrier7 Sep 2010US 7,792,413 B2Koninklijke Philips Electronics N. V.
- Video tape recorder and recording method23 Jun 2009US 7,551,840 B2Sony Corporation
- Recording apparatus and method9 Sep 2008US 7,424,206 B2Sony Corporation
- 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
- Data formatting in data storage19 Feb 2009US 2009/0046386 A1Hewlett-Packard Development Company, L. P.
- Tape drive apparatus27 Jul 2006US 2006/0164748 A1Hewlett-Packard Development Company, L. P.
- Magnetic tape recording apparatus and method, magnetic tape format, and recording medium therefor13 Jul 2006US 2006/0153534 A1Sony Corporation
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
- MPEG information signal conversion system144US 5,566,174 APhilips Electronics North America Corporation · 1996
- Recording and reproducing an MPEG information signal using tagged timing information129US 5,596,581 APhilips Electronics North America Corporation · 1997
- Telecommunication system, radio base station thereof, and portable telecommunication terminal thereof129US 6,101,381 ASony Corporation · 2000
- Data transmission and reception apparatus and method94US 4,975,915 ASony Corporation · 1990