G01R 33/093
Using multilayer structures
Official title: {using multilayer structures, e.g. giant magnetoresistance sensors (thin magnetic films H01F10/00)}
G01R33/093 (Using multilayer structures) appears on 2,723 US grants and 2,758 published applications in this corpus.
Search patents in G01R- Granted patents
- 2,723
- Published applications
- 2,758
- Assignees
- 458
- Inventors
- 2,992
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 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 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 9 | 0 |
| 1996 | 22 | 0 |
| 1997 | 31 | 0 |
| 1998 | 35 | 0 |
| 1999 | 50 | 0 |
| 2000 | 66 | 0 |
| 2001 | 75 | 31 |
| 2002 | 75 | 87 |
| 2003 | 82 | 131 |
| 2004 | 97 | 127 |
| 2005 | 80 | 100 |
| 2006 | 117 | 117 |
| 2007 | 98 | 151 |
| 2008 | 102 | 225 |
| 2009 | 105 | 161 |
| 2010 | 139 | 126 |
| 2011 | 127 | 90 |
| 2012 | 115 | 113 |
| 2013 | 121 | 98 |
| 2014 | 95 | 98 |
| 2015 | 103 | 86 |
| 2016 | 90 | 88 |
| 2017 | 82 | 69 |
| 2018 | 67 | 97 |
| 2019 | 75 | 101 |
| 2020 | 95 | 109 |
| 2021 | 105 | 105 |
| 2022 | 120 | 100 |
| 2023 | 104 | 109 |
| 2024 | 79 | 94 |
| 2025 | 103 | 87 |
| 2026 | 34 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Methods of manufacturing a magnetic field sensor1 Sep 2026US 12,727,389 B2Everspin Technologies, Inc.
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- Magnetic field transducer1 Oct 2026US 2026/0299055 A1TDK Corporation
- Magnetic sensor17 Sep 2026US 2026/0276745 A1TDK Corporation
- Magnetic sensor and magnetic recording device17 Sep 2026US 2026/0276749 A1Kabushiki Kaisha Toshiba
- Magnetic sensor17 Sep 2026US 2026/0276750 A1TDK Corporation
- Magnetoresistive element and magnetic sensor17 Sep 2026US 2026/0276752 A1TDK Corporation
Most cited
By later US patents
- 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
- Spin transfer magnetic element with free layers having high perpendicular anisotropy and in-plane equilibrium magnetization315US 6,992,359 B2Grandis, Inc. · 2006
- Perpendicular magnetization magnetic element utilizing spin transfer241US 6,967,863 B2Grandis, Inc. · 2005
- Dual pseudo spin valve heads231US 6,731,473 B2Seagate Technology LLC · 2004