G11B 5/3938
The flux closure films being used for absorbing or reducing demagnetisating or
Official title: {the flux closure films being used for absorbing or reducing demagnetisating or saturating fields}
G11B5/3938 (The flux closure films being used for absorbing or reducing demagnetisating or) appears on 19 US grants and 9 published applications in this corpus.
Search patents in G11B- Granted patents
- 19
- Published applications
- 9
- Assignees
- 10
- Inventors
- 32
- Latest grant
- 9 Nov 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 3 |
| 2016 | 2 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Magnetic recording write head with spin-torque oscillator (STO) and extended seed layer9 Nov 2021US 11,170,803 B1Western Digital Technologies, Inc.
- Perpendicular magnetic recording (PMR) writer with tunable pole protrusion (TPP) designs for 2 terabytes/platter (TB/P) and beyond19 Oct 2021US 11,152,021 B1Headway Technologies, Inc.
- Electrostatic discharge protection for a magnetoresistive sensor21 Mar 2017US 9,601,139 B2International Business Machines Corporation
- Spin transport sensor5 Jul 2016US 9,384,762 B2Seagate Technology LLC
- Electrostatic discharge protection for a magnetoresistive sensor8 Mar 2016US 9,279,862 B2International Business Machines Corporation
- Electrostatic discharge protection for a magnetoresistive sensor26 May 2016US 2016/0148628 A1International Business Machines Corporation
- Spin transport sensor22 Oct 2015US 2015/0302872 A1Seagate Technology LLC
- Electrostatic discharge protection for a magnetoresistive sensor7 May 2015US 2015/0123655 A1International Business Machines Corporation
- Spin transport sensor30 Apr 2015US 2015/0116870 A1Seagate Technology LLC
- Extended pinned layer on top of lead/HB to avoid amplitude flipping29 Dec 2005US 2005/0286177 A1Hitachi Global Storage Technologies
Most cited
By later US patents
- Thin film magnetoresistive head47US 4,413,296 AEastman Kodak Company · 1983
- Magnetic head having a read element upper shield film and a write element lower magnetic film separated by a non-magnetic film having a thickness such that magnetic coupling is enduced therebetween36US 5,850,325 ATDK Corporation · 1998
- MR structures for high areal density reader by using side shields22US 6,680,829 B2Seagate Technology LLC · 2004
- Dual magnetic tunnel junction sensor with a longitudinal bias stack17US 6,822,838 B2International Business Machines Corporation · 2004
- Magnetically capped dual magnetoresistive reproduce head15US 5,644,456 AEastman Kodak Company · 1997