G11B 2005/3996
Large or giant magnetoresistive effects [gmr]
Official title: {large or giant magnetoresistive effects [GMR], e.g. as generated in spin-valve [SV] devices}
G11B2005/3996 (Large or giant magnetoresistive effects [gmr]) appears on 2,149 US grants and 1,497 published applications in this corpus.
Search patents in G11B- Granted patents
- 2,149
- Published applications
- 1,497
- Assignees
- 199
- Inventors
- 1,847
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 9 | 0 |
| 1995 | 10 | 0 |
| 1996 | 17 | 0 |
| 1997 | 39 | 0 |
| 1998 | 66 | 0 |
| 1999 | 99 | 0 |
| 2000 | 144 | 0 |
| 2001 | 155 | 96 |
| 2002 | 140 | 166 |
| 2003 | 163 | 189 |
| 2004 | 190 | 207 |
| 2005 | 125 | 149 |
| 2006 | 179 | 113 |
| 2007 | 125 | 77 |
| 2008 | 103 | 79 |
| 2009 | 73 | 73 |
| 2010 | 53 | 41 |
| 2011 | 60 | 34 |
| 2012 | 65 | 40 |
| 2013 | 48 | 24 |
| 2014 | 37 | 28 |
| 2015 | 52 | 52 |
| 2016 | 55 | 31 |
| 2017 | 31 | 19 |
| 2018 | 18 | 9 |
| 2019 | 12 | 15 |
| 2020 | 19 | 11 |
| 2021 | 14 | 7 |
| 2022 | 12 | 3 |
| 2023 | 4 | 5 |
| 2024 | 8 | 14 |
| 2025 | 13 | 11 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Read head with multiple contacts formed underneath the sensor8 Sep 2026US 12,731,606 B2Western Digital Technologies, Inc.
- Magneto-resistive reader utilizing read shields to maintain reference layer magnetization25 Aug 2026US 12,718,839 B2Headway Technologies, Inc.
- Non-localized spin valve multi-free-layer reader hybridized with spin orbit torque layers4 Aug 2026US 12,700,425 B2Western Digital Technologies, Inc.
- Film and method for BiSbX (012) texture for SOT devices28 Jul 2026US 12,694,895 B2Western Digital Technologies, Inc.
- Topological insulator based spin torque oscillator reader21 Jul 2026US 12,688,869 B2Western Digital Technologies, Inc.
- Spin-accumulation sensors10 Sep 2026US 2026/0266930 A1Regents of the University of Minnesota
- Magnetic recording head having a sensor stack disposed along a stripe-height direction20 Aug 2026US 2026/0245585 A1Seagate Technology LLC
- Optimizing A Current Distribution In Write Heads For Efficient Energy-Assisted Magnetic Recording23 Apr 2026US 2026/0112388 A1Headway Technologies, Inc.
- Magnetic head and magnetic recording device16 Apr 2026US 2026/0105931 A1Kabushiki Kaisha Toshiba
- Read Head with Multiple Contacts Formed Underneath the Sensor25 Dec 2025US 2025/0391433 A1Western Digital Technologies, Inc.
Most cited
By later US patents
- Electronic device using magnetic components385US 5,695,864 AInternational Business Machines Corporation · 1997
- Magnetoresistive sensor based on the spin valve effect373US 5,206,590 AInternational Business Machines Corporation · 1993
- Magnetic tunnel junctions with controlled magnetic response321US 5,650,958 AInternational Business Machines Corporation · 1997
- Magnetoresistive spin valve sensor with improved pinned ferromagnetic layer and magnetic recording system using the sensor249US 5,465,185 AInternational Business Machines Corporation · 1995
- Dual pseudo spin valve heads231US 6,731,473 B2Seagate Technology LLC · 2004