G11B 5/3113
For improving the magnetic domain structure or avoiding the formation or displacement
Official title: {for improving the magnetic domain structure or avoiding the formation or displacement of undesirable magnetic domains}
G11B5/3113 (For improving the magnetic domain structure or avoiding the formation or displacement) appears on 274 US grants and 87 published applications in this corpus.
Search patents in G11B- Granted patents
- 274
- Published applications
- 87
- Assignees
- 67
- Inventors
- 517
- Latest grant
- 19 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 9 | 0 |
| 1993 | 12 | 0 |
| 1994 | 7 | 0 |
| 1995 | 13 | 0 |
| 1996 | 19 | 0 |
| 1997 | 17 | 0 |
| 1998 | 30 | 0 |
| 1999 | 22 | 0 |
| 2000 | 15 | 0 |
| 2001 | 17 | 3 |
| 2002 | 19 | 24 |
| 2003 | 7 | 5 |
| 2004 | 14 | 12 |
| 2005 | 7 | 10 |
| 2006 | 9 | 5 |
| 2007 | 11 | 6 |
| 2008 | 3 | 2 |
| 2009 | 4 | 2 |
| 2010 | 2 | 0 |
| 2011 | 3 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 4 |
| 2014 | 3 | 1 |
| 2015 | 1 | 3 |
| 2016 | 2 | 2 |
| 2017 | 2 | 0 |
| 2018 | 3 | 2 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 3 | 2 |
| 2022 | 0 | 0 |
| 2023 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Anti-parallel coupled writer shields with stable magnetic domain configuration19 Dec 2023US 11,848,034 B2Western Digital Technologies, Inc.
- Disk drive biasing two write assist elements using three terminal control circuitry28 Mar 2023US 11,615,804 B1Western Digital Technologies, Inc.
- Writer with HMTS (high moment trailing shield) aligned with spin layer9 Nov 2021US 11,170,802 B2Headway Technologies, Inc.
- Protecting a sensitive device from corrosion12 Oct 2021US 11,145,322 B2International Business Machines Corporation
- Writer with HMTS (high moment trailing shield) aligned with spin layer6 Jul 2021US 11,056,133 B2Headway Technologies, Inc.
- Anti-Parallel Coupled Writer Shields with Stable Magnetic Domain Configuration8 Jun 2023US 2023/0178104 A1Western Digital Technologies, Inc.
- Writer with HMTS (High Moment Trailing Shield) Aligned with Spin Layer14 Jan 2021US 2021/0012793 A1Headway Technologies, Inc.
- Writer with HMTS (HIgh Moment Trailing Shield) Aligned with Spin Layer14 Jan 2021US 2021/0012794 A1Headway Technologies, Inc.
- Protecting a sensitive device from corrosion5 Sep 2019US 2019/0272848 A1International Business Machines Corporation
- Disk-like magnetic recording medium and magnetic recording and reproducing device6 Sep 2018US 2018/0254059 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Antiferromagnetic-ferromagnetic exchange bias films230US 4,103,315 AInternational Business Machines Corporation · 1978
- Thin film write head with improved laminated flux carrying structure and method of fabrication188US 6,233,116 B1Read-Rite Corporation · 2001
- Thin film write head for improved high speed and high density recording187US 6,353,511 B1Read-Rite Corporation · 2002
- Simultaneous amplification of multiple targets174US 5,422,252 ABecton, Dickinson and Company · 1995
- Magnetic head shield pole with nonmagnetic separation film between transition portion and shield portion158US 6,430,009 B1Read-Rite SMI Corporation · 2002