G11B 5/3906
Details related to the use of magnetic thin film layers or to
Official title: {Details related to the use of magnetic thin film layers or to their effects}
G11B5/3906 (Details related to the use of magnetic thin film layers or to) appears on 3,702 US grants and 2,896 published applications in this corpus.
Search patents in G11B- Granted patents
- 3,702
- Published applications
- 2,896
- Assignees
- 263
- Inventors
- 2,747
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 11 | 0 |
| 1988 | 2 | 0 |
| 1989 | 10 | 0 |
| 1990 | 8 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 17 | 0 |
| 1994 | 20 | 0 |
| 1995 | 22 | 0 |
| 1996 | 40 | 0 |
| 1997 | 56 | 0 |
| 1998 | 103 | 0 |
| 1999 | 106 | 0 |
| 2000 | 81 | 0 |
| 2001 | 116 | 52 |
| 2002 | 124 | 167 |
| 2003 | 135 | 161 |
| 2004 | 182 | 243 |
| 2005 | 135 | 236 |
| 2006 | 221 | 215 |
| 2007 | 202 | 215 |
| 2008 | 188 | 230 |
| 2009 | 142 | 174 |
| 2010 | 161 | 109 |
| 2011 | 154 | 94 |
| 2012 | 155 | 88 |
| 2013 | 135 | 68 |
| 2014 | 130 | 109 |
| 2015 | 177 | 141 |
| 2016 | 148 | 82 |
| 2017 | 103 | 73 |
| 2018 | 92 | 93 |
| 2019 | 93 | 62 |
| 2020 | 86 | 52 |
| 2021 | 82 | 59 |
| 2022 | 69 | 37 |
| 2023 | 47 | 32 |
| 2024 | 42 | 46 |
| 2025 | 34 | 41 |
| 2026 | 17 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G11B 5/3909Arrangements using a magnetic tunnel junction1,457
- G11B 5/3929Disposition of magnetic thin films not used for directly coupling magnetic flux1,341
- G11B 5/3912Arrangements in which the active read-out elements are transducing in association with781
- G11B 5/3945Heads comprising more than one sensitive element597
- G11B 5/3916Arrangements in which the active read-out elements are coupled to the magnetic273
Recent patents
- Read head with multiple contacts formed underneath the sensor8 Sep 2026US 12,731,606 B2Western Digital Technologies, Inc.
- Magnetic storage device provided with magnetoresistive element1 Sep 2026US 12,725,632 B2National Institute of Advanced Industrial Science and Technology
- Magneto-resistive reader utilizing read shields to maintain reference layer magnetization25 Aug 2026US 12,718,839 B2Headway Technologies, Inc.
- Magnetic sensor, magnetic head and magnetic recording device25 Aug 2026US 12,721,047 B2Kabushiki Kaisha Toshiba
- Non-localized spin valve multi-free-layer reader hybridized with spin orbit torque layers4 Aug 2026US 12,700,425 B2Western Digital Technologies, Inc.
- Spin-accumulation sensors10 Sep 2026US 2026/0266930 A1Regents of the University of Minnesota
- Dual Free Layer Reader with Rear Soft Bias Design with Improved Soft Bias Stability20 Aug 2026US 2026/0245582 A1Western Digital Technologies, Inc.
- Magnetic recording head having a sensor stack disposed along a stripe-height direction20 Aug 2026US 2026/0245585 A1Seagate Technology LLC
- Magnesium Oxide Seed Layer For High Magnetic Moment Material With Amorphous Or Fine Grain Structure16 Jul 2026US 2026/0204281 A1Headway Technologies, Inc.
- Magnetoresistance effect element7 May 2026US 2026/0130119 A1TDK Corporation
Most cited
By later US patents
- Dual pseudo spin valve heads231US 6,731,473 B2Seagate Technology LLC · 2004
- Bottom or dual spin valve having a seed layer that results in an improved antiferromagnetic layer230US 6,222,707 B1Read-Rite Corporation · 2001
- Magnetoresistive sensor and head216US 6,153,062 AAlps Electric Co., Ltd. · 2000
- Low resistance magnetic tunnel junction device with bilayer or multilayer tunnel barrier216US 6,347,049 B1International Business Machines Corporation · 2002
- Method and system for reducing assymetry in a spin valve having a synthetic pinned layer214US 6,447,935 B1Read-Rite Corporation · 2002