G11B 5/718
At least one on each side of the base layer
Official title: at least one on each side of the base layer
G11B5/718 (At least one on each side of the base layer) appears on 19 US grants and 13 published applications in this corpus.
Search patents in G11B- Granted patents
- 19
- Published applications
- 13
- Assignees
- 18
- Inventors
- 50
- Latest grant
- 11 Nov 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 0 | 2 |
| 2005 | 2 | 3 |
| 2006 | 2 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Microwave assisted magnetic recording medium and information recording apparatus using the same11 Nov 2014US 8,883,327 B2Hitachi, Ltd.
- Tape drive for recording data onto and reading data from opposing sides of tape media4 Feb 2014US 8,643,977 B1Oracle International Corporation
- Magnetic recording tape having large particles in magnetic recording layer19 Oct 2010US 7,816,023 B2Imation Corp.
- Method and apparatus for increasing capacity of magnetic media storage20 Feb 2007US 7,180,699 B1Storage Technology Corporation
- Double sided magnetic tape27 Jun 2006US 7,068,464 B2Storage Technology Corporation
- Microwave assisted magnetic recording medium and information recording apparatus using the same7 Nov 2013US 2013/0293983 A1Hitachi, Ltd.
- Method of providing and selecting particles to increase signal-to-noise ratio in magnetic recording media2 Sep 2010US 2010/0223206 A1
- Magnetic recording tape having large particles in magnetic recording layer25 Jun 2009US 2009/0162701 A1Imation Corp.
- Magnetic recording medium with dual magnetic sides and having a low resistivity13 Sep 2007US 2007/0212576 A1Imation Corp.
- Magnetic recording medium with diamond-like carbon lubricant7 Jun 2007US 2007/0127158 A1Imation Corp.
Most cited
By later US patents
- Magnetic recording medium34US 4,649,073 AKabushiki Kaisha Toshiba · 1987
- Magnetic recording medium21US 4,223,361 AHitachi Maxell, Ltd. · 1980
- Magnetic tape16US 6,319,595 B1Quantum Corporation · 2001
- Magnetic recording medium15US 4,652,479 AKabushiki Kaisha Toshiba · 1987
- Dual-surface flexible magnetic tape12US 6,890,631 B2International Business Machines Corporation · 2005