G11B 5/3916
Arrangements in which the active read-out elements are coupled to the magnetic
Official title: {Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide}
G11B5/3916 (Arrangements in which the active read-out elements are coupled to the magnetic) appears on 273 US grants and 102 published applications in this corpus.
Search patents in G11B- Granted patents
- 273
- Published applications
- 102
- Assignees
- 57
- Inventors
- 382
- Latest grant
- 20 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 10 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 13 | 0 |
| 1997 | 11 | 0 |
| 1998 | 14 | 0 |
| 1999 | 29 | 0 |
| 2000 | 12 | 0 |
| 2001 | 19 | 7 |
| 2002 | 7 | 25 |
| 2003 | 21 | 19 |
| 2004 | 20 | 13 |
| 2005 | 11 | 9 |
| 2006 | 15 | 3 |
| 2007 | 9 | 5 |
| 2008 | 3 | 1 |
| 2009 | 2 | 2 |
| 2010 | 3 | 2 |
| 2011 | 2 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 3 | 4 |
| 2015 | 2 | 2 |
| 2016 | 2 | 2 |
| 2017 | 3 | 1 |
| 2018 | 2 | 2 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 3 | 0 |
| 2022 | 1 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Magnetic flux guiding device with spin torque oscillator (STO) film having negative spin polarization layers in assisted writing application20 Aug 2024US 12,068,008 B2Headway Technologies, Inc.
- Magnetic flux guiding device with spin torque oscillator (STO) film having negative spin polarization layers in assisted writing application31 Jan 2023US 11,568,891 B1Headway Technologies, Inc.
- Writer with laterally graded spin layer MsT3 Jan 2023US 11,545,175 B2Headway Technologies, Inc.
- Writer with laterally graded spin layer MsT5 Apr 2022US 11,295,768 B1Headway Technologies, Inc.
- Data storage device with data writer deactivation responsive to security threats11 May 2021US 11,004,467 B2Seagate Technology LLC
- Magnetic Flux Guiding Device With Spin Torque Oscillator (STO) Film Having Negative Spin Polarization Layers In Assisted Writing Application7 Nov 2024US 2024/0371402 A1Headway Technologies, Inc.
- Magnetic Flux Guiding Device With Spin Torque Oscillator (STO) Film Having Negative Spin Polarization Layers In Assisted Writing Application8 Jun 2023US 2023/0178103 A1Headway Technologies, Inc.
- Writer with Laterally Graded Spin Layer MsT23 Jun 2022US 2022/0199113 A1Headway Technologies, Inc.
- Writer with Laterally Graded Spin Layer MsT24 Mar 2022US 2022/0093123 A1Headway Technologies, Inc.
- Data storage device with read only data surface14 Nov 2019US 2019/0348070 A1Seagate Technology LLC
Most cited
By later US patents
- Magnetoresistive effect device utilizing a magnetization-coupling layer which couples adjacent ferromagnetic layers perpendicularly153US 6,710,984 B1Kabushiki Kaisha Toshiba · 2004
- Data storage and retrieval apparatus with thin film read head having a planar sensor element and an extra gap and method of fabrication thereof151US 6,801,408 B1Western Digital (Fremont), LLC · 2004
- System for providing a magnetoresistive head having higher efficiency148US 6,137,661 ARead-Rite Corporation · 2000
- Method and system for providing a magnetoresistive head having higher efficiency147US 6,468,436 B1Read-Rite Corporation · 2002
- Magnetoresistive element, magnetic head, magnetic memory and magnetic recording apparatus using the same129US 6,842,317 B2Matsushita Electric Industrial Co., Ltd. · 2005