G11B 5/397
With a plurality of independent magnetoresistive active read-out elements for respectively transducing
Official title: {with a plurality of independent magnetoresistive active read-out elements for respectively transducing from selected components}
G11B5/397 (With a plurality of independent magnetoresistive active read-out elements for respectively transducing) appears on 151 US grants and 89 published applications in this corpus.
Search patents in G11B- Granted patents
- 151
- Published applications
- 89
- Assignees
- 38
- Inventors
- 255
- Latest grant
- 27 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 2 | 1 |
| 2006 | 1 | 5 |
| 2007 | 0 | 2 |
| 2008 | 5 | 3 |
| 2009 | 3 | 3 |
| 2010 | 5 | 4 |
| 2011 | 2 | 4 |
| 2012 | 5 | 3 |
| 2013 | 2 | 4 |
| 2014 | 11 | 5 |
| 2015 | 17 | 12 |
| 2016 | 18 | 13 |
| 2017 | 25 | 14 |
| 2018 | 17 | 8 |
| 2019 | 7 | 2 |
| 2020 | 6 | 1 |
| 2021 | 2 | 0 |
| 2022 | 2 | 1 |
| 2023 | 2 | 2 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Mechanism to shift the head span of a tape head at a wafer level27 Aug 2024US 12,073,858 B2International Business Machines Corporation
- Direct measurement of magnetoresistive head resistance in a storage system7 May 2024US 11,978,489 B1International Business Machines Corporation
- Mechanism to shift the head span of a tape head at a wafer level7 Nov 2023US 11,810,602 B2International Business Machines Corporation
- Tape head design having a null shield for same gap verify20 Jun 2023US 11,682,421 B2Western Digital Technologies, Inc.
- Magnetic read sensors having stabilized upper readers, and related methods29 Nov 2022US 11,514,935 B1Western Digital Technologies, Inc.
- Mechanism to shift the head span of a tape head at a wafer level30 Nov 2023US 2023/0386509 A1International Business Machines Corporation
- Mechanism to shift the head span of a tape head at a wafer level9 Mar 2023US 2023/0072460 A1International Business Machines Corporation
- Tape Head Design Having A Null Shield For Same Gap Verify29 Dec 2022US 2022/0415344 A1Western Digital Technologies, Inc.
- Apparatus with data reader sensors more recessed than servo reader sensor27 Aug 2020US 2020/0273487 A1International Business Machines Corporation
- Magnetic recording apparatus having circuits with differing tunnel valve sensors and about the same resistance17 Oct 2019US 2019/0318761 A1International Business Machines Corporation
Most cited
By later US patents
- Narrow track magnetoresistive transducer assembly62US 4,356,523 AAmpex Corporation · 1982
- Differential/dual CPP recording head56US 7,436,632 B2Seagate Technology LLC · 2008
- Two dimensional magnetic sensor immune to skew angle misalignment53US 8,711,517 B2Seagate Technology LLC · 2014
- Floating down stream perpendicular write head shield49US 6,842,313 B1Maxtor Corporation · 2005
- Decoupled magnetic head assembly for quarter-inch tape47US 5,488,525 AInternational Business Machines Corporation · 1996