G11B 5/2457
Disposed immediately adjacent to the gap
Official title: {disposed immediately adjacent to the gap ("composite" pole pieces G11B5/1877)}
G11B5/2457 (Disposed immediately adjacent to the gap) appears on 13 US grants and 5 published applications in this corpus.
Search patents in G11B- Granted patents
- 13
- Published applications
- 5
- Assignees
- 6
- Inventors
- 29
- Latest grant
- 17 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 3 | 1 |
| 2022 | 3 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Energy assisted magnetic recording head having improved areal density capability17 Jan 2023US 11,557,315 B2Western Digital Technologies, Inc.
- Magnetic head and magnetic recording device with stacked body material configurations6 Sep 2022US 11,437,059 B2Kabushiki Kaisha Toshiba
- Dual wire assisted magnetic recording24 May 2022US 11,341,990 B1Seagate Technology LLC
- Energy assisted magnetic recording head having improved areal density capability18 Jan 2022US 11,227,627 B1Western Digital Technologies, Inc.
- Perpendicular magnetic recording (PMR) writer with tunable pole protrusion (TPP) designs for 2 terabytes/platter (TB/P) and beyond19 Oct 2021US 11,152,021 B1Headway Technologies, Inc.
- Energy Assisted Magnetic Recording Head Having Improved Areal Density Capability7 Apr 2022US 2022/0108715 A1Western Digital Technologies, Inc.
- Magnetic head and magnetic recording device13 May 2021US 2021/0142821 A1Kabushiki Kaisha Toshiba
- Pole tip shield shaped to provide a differential shielding effect alongside the magnetic pole tip24 Jan 2013US 2013/0022841 A1Seagate Technology LLC
- Magnetic recording head with magnetic wall angle16 Sep 2010US 2010/0232062 A1Seagate Technology LLC
- Magneto-resistance effect element1 Apr 2004US 2004/0061980 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Soft magnetic thin film12US 5,382,305 ATDK Corporation · 1995
- Perpendicular magnetic recording (PMR) writer with tunable pole protrusion (TPP) designs for 2 terabytes/platter (TB/P) and beyond10US 11,152,021 B1Headway Technologies, Inc. · 2021
- Magnetic head comprising a soft magnetic thin film of FeNiZrN having enhanced (100) orientation10US 5,262,915 ATDK Corporation · 1993
- Longitudinal magnetic recording head with reduced side fringing10US 6,707,642 B1Seagate Technology LLC · 2004
- Dual wire assisted magnetic recording7US 11,049,515 B1Seagate Technology LLC · 2021