G11B 5/39
Using magneto-resistive devices or effects
Official title: using magneto-resistive devices {or effects}
G11B5/39 (Using magneto-resistive devices or effects) appears on 6,366 US grants and 4,319 published applications in this corpus.
Search patents in G11B- Granted patents
- 6,366
- Published applications
- 4,319
- Assignees
- 418
- Inventors
- 4,484
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 11 | 0 |
| 1978 | 7 | 0 |
| 1979 | 7 | 0 |
| 1980 | 9 | 0 |
| 1981 | 10 | 0 |
| 1982 | 9 | 0 |
| 1983 | 9 | 0 |
| 1984 | 14 | 0 |
| 1985 | 10 | 0 |
| 1986 | 15 | 0 |
| 1987 | 27 | 0 |
| 1988 | 15 | 0 |
| 1989 | 31 | 0 |
| 1990 | 24 | 0 |
| 1991 | 16 | 0 |
| 1992 | 24 | 0 |
| 1993 | 41 | 0 |
| 1994 | 42 | 0 |
| 1995 | 67 | 0 |
| 1996 | 95 | 0 |
| 1997 | 134 | 0 |
| 1998 | 212 | 0 |
| 1999 | 247 | 0 |
| 2000 | 267 | 0 |
| 2001 | 299 | 152 |
| 2002 | 332 | 377 |
| 2003 | 359 | 365 |
| 2004 | 403 | 434 |
| 2005 | 272 | 382 |
| 2006 | 393 | 331 |
| 2007 | 304 | 290 |
| 2008 | 268 | 309 |
| 2009 | 221 | 230 |
| 2010 | 226 | 142 |
| 2011 | 218 | 119 |
| 2012 | 205 | 111 |
| 2013 | 167 | 86 |
| 2014 | 166 | 133 |
| 2015 | 218 | 158 |
| 2016 | 173 | 92 |
| 2017 | 114 | 84 |
| 2018 | 106 | 109 |
| 2019 | 112 | 76 |
| 2020 | 104 | 66 |
| 2021 | 104 | 66 |
| 2022 | 82 | 45 |
| 2023 | 55 | 40 |
| 2024 | 50 | 56 |
| 2025 | 40 | 44 |
| 2026 | 22 | 22 |
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.
- Magnetoresistance effect element1 Oct 2026US 2026/0302032 A1TDK Corporation
- Spin-accumulation sensors10 Sep 2026US 2026/0266930 A1Regents of the University of Minnesota
- Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus27 Aug 2026US 2026/0253611 A1FUJIFILM Corporation
- 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
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