G11B 5/399
With intrinsic biasing
Official title: {with intrinsic biasing, e.g. provided by equipotential strips}
G11B5/399 (With intrinsic biasing) appears on 148 US grants and 16 published applications in this corpus.
Search patents in G11B- Granted patents
- 148
- Published applications
- 16
- Assignees
- 28
- Inventors
- 226
- Latest grant
- 29 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 11 | 0 |
| 1996 | 15 | 0 |
| 1997 | 24 | 0 |
| 1998 | 15 | 0 |
| 1999 | 11 | 0 |
| 2000 | 10 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 5 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 2 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 2 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 4 | 0 |
| 2022 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Planar design for sensors in a dual free layer read head29 Nov 2022US 11,514,934 B1Western Digital Technologies, Inc.
- Magnetic read sensors and related methods having a rear hard bias and no AFM layer30 Aug 2022US 11,430,470 B2Western Digital Technologies, Inc.
- Magnetic read sensors and related methods having a rear hard bias and no AFM layer21 Sep 2021US 11,127,422 B1Western Digital Technologies, Inc.
- Effective rear hard bias for dual free layer read heads10 Aug 2021US 11,087,785 B1Western Digital Technologies, Inc.
- Microwave-assisted magnetic recording (MAMR) write head with compensation for DC shunting field16 Feb 2021US 10,923,145 B2Western Digital Technologies, Inc.
- Magnetic Read Sensors And Related Methods Having A Rear Hard Bias And No AFM Layer6 Jan 2022US 2022/0005501 A1Western Digital Technologies, Inc.
- Microwave-assisted magnetic recording (mamr) write head with compensation for dc shunting field16 Jul 2020US 2020/0227076 A1Western Digital Technologies, Inc.
- Magnetoresistance effect device3 Oct 2019US 2019/0304491 A1TDK Corporation
- Microwave-assisted magnetic recording (mamr) write head with compensation for dc shunting field8 Aug 2019US 2019/0244635 A1Western Digital Technologies, Inc.
- Magneto-resistive effect device, magnetic head gimbal assembly, magnetic recording/reproduction device, strain sensor, pressure sensor, blood pressure sensor, and structural health monitoring sensor2 Jul 2015US 2015/0185296 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Magnetoresistive spin valve sensor with improved pinned ferromagnetic layer and magnetic recording system using the sensor249US 5,465,185 AInternational Business Machines Corporation · 1995
- Antiferromagnetic-ferromagnetic exchange bias films230US 4,103,315 AInternational Business Machines Corporation · 1978
- Spin valve magnetoresistive sensor with self-pinned laminated layer and magnetic recording system using the sensor215US 5,583,725 AInternational Business Machines Corporation · 1996
- Current perpendicular-to-the-plane spin valve type magnetoresistive transducer179US 5,668,688 AQuantum Peripherals Colorado, Inc. · 1997
- Magnetic recording assisted by spin torque oscillator with a radio frequency current bias157US 8,582,240 B1Headway Technologies, Inc. · 2013