G11B 5/3919
The guide being interposed in the flux path
Official title: {the guide being interposed in the flux path}
G11B5/3919 (The guide being interposed in the flux path) appears on 207 US grants and 51 published applications in this corpus.
Search patents in G11B- Granted patents
- 207
- Published applications
- 51
- Assignees
- 42
- Inventors
- 301
- Latest grant
- 20 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 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 | 12 | 0 |
| 1999 | 27 | 0 |
| 2000 | 10 | 0 |
| 2001 | 16 | 7 |
| 2002 | 5 | 11 |
| 2003 | 13 | 9 |
| 2004 | 12 | 5 |
| 2005 | 6 | 5 |
| 2006 | 6 | 2 |
| 2007 | 5 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 3 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 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.
- Data storage device with data writer deactivation responsive to security threats11 May 2021US 11,004,467 B2Seagate Technology LLC
- Current-perpendicular-to-plane (CPP) read transducer structure having flux guide and pinned soft bias layer for stabilizing sensor and flux guide4 May 2021US 10,997,994 B1International Business Machines Corporation
- True one turn (T1T) perpendicular magnetic recording (PMR) writer designs9 Feb 2021US 10,916,261 B1Headway Technologies, Inc.
- 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.
- Data storage device with read only data surface14 Nov 2019US 2019/0348070 A1Seagate Technology LLC
- Disk-like magnetic recording medium and magnetic recording and reproducing device6 Sep 2018US 2018/0254059 A1Kabushiki Kaisha Toshiba
- Flux-guided tunneling magnetoresistive (tmr) sensor for magnetic tape with reduced likelihood of electrical shorting12 Oct 2017US 2017/0294197 A1HGST Netherlands B. V.
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
- Method of making recording heads with side shields98US 5,075,956 ADigital Equipment Corporation · 1991
- Recording heads with side shields76US 4,935,832 ADigital Equipment Corporation · 1990
- Magnetoresistance effect device and magnetoresistance effect type head, memory device, and amplifying device using the same67US 5,841,611 AMatsushita Electric Industrial Co., Ltd. · 1998
- Thin film giant magnetoresistive CPP transducer with flux guide yoke structure66US 5,627,704 ARead-Rite Corporation · 1997