G11B 5/3903
Using magnetic thin film layers or their effects, the films being part
Official title: {using magnetic thin film layers or their effects, the films being part of integrated structures}
G11B5/3903 (Using magnetic thin film layers or their effects, the films being part) appears on 6,009 US grants and 4,092 published applications in this corpus.
Search patents in G11B- Granted patents
- 6,009
- Published applications
- 4,092
- Assignees
- 387
- Inventors
- 4,086
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 9 | 0 |
| 1978 | 6 | 0 |
| 1979 | 6 | 0 |
| 1980 | 8 | 0 |
| 1981 | 9 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 13 | 0 |
| 1985 | 10 | 0 |
| 1986 | 12 | 0 |
| 1987 | 27 | 0 |
| 1988 | 11 | 0 |
| 1989 | 30 | 0 |
| 1990 | 22 | 0 |
| 1991 | 15 | 0 |
| 1992 | 23 | 0 |
| 1993 | 41 | 0 |
| 1994 | 41 | 0 |
| 1995 | 59 | 0 |
| 1996 | 87 | 0 |
| 1997 | 124 | 0 |
| 1998 | 191 | 0 |
| 1999 | 228 | 0 |
| 2000 | 254 | 0 |
| 2001 | 289 | 145 |
| 2002 | 320 | 369 |
| 2003 | 343 | 352 |
| 2004 | 393 | 425 |
| 2005 | 264 | 337 |
| 2006 | 372 | 315 |
| 2007 | 294 | 278 |
| 2008 | 249 | 286 |
| 2009 | 210 | 227 |
| 2010 | 213 | 141 |
| 2011 | 208 | 118 |
| 2012 | 202 | 106 |
| 2013 | 165 | 85 |
| 2014 | 162 | 128 |
| 2015 | 198 | 149 |
| 2016 | 160 | 86 |
| 2017 | 110 | 80 |
| 2018 | 100 | 98 |
| 2019 | 102 | 68 |
| 2020 | 96 | 58 |
| 2021 | 91 | 62 |
| 2022 | 75 | 40 |
| 2023 | 48 | 32 |
| 2024 | 45 | 48 |
| 2025 | 37 | 42 |
| 2026 | 17 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Magnetoresistive sensor based on the spin valve effect373US 5,206,590 AInternational Business Machines Corporation · 1993
- 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
- Antiferromagnetic-ferromagnetic exchange bias films230US 4,103,315 AInternational Business Machines Corporation · 1978
- Bottom or dual spin valve having a seed layer that results in an improved antiferromagnetic layer230US 6,222,707 B1Read-Rite Corporation · 2001