G11B 5/3935
Flux closure films not being part of the track flux guides
Official title: {Flux closure films not being part of the track flux guides}
G11B5/3935 (Flux closure films not being part of the track flux guides) appears on 49 US grants and 20 published applications in this corpus.
Search patents in G11B- Granted patents
- 49
- Published applications
- 20
- Assignees
- 23
- Inventors
- 97
- Latest grant
- 9 Nov 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 4 |
| 2003 | 1 | 2 |
| 2004 | 3 | 4 |
| 2005 | 3 | 2 |
| 2006 | 1 | 0 |
| 2007 | 2 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 2 | 3 |
| 2016 | 2 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Magnetic recording write head with spin-torque oscillator (STO) and extended seed layer9 Nov 2021US 11,170,803 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.
- Magnetic scissor sensor with closed-loop side shield13 Jun 2017US 9,679,591 B1HGST Netherlands B. V.
- Electrostatic discharge protection for a magnetoresistive sensor21 Mar 2017US 9,601,139 B2International Business Machines Corporation
- Spin transport sensor5 Jul 2016US 9,384,762 B2Seagate Technology LLC
- Magnetic scissor sensor with closed-loop side shield1 Jun 2017US 2017/0154641 A1HGST Netherlands B. V.
- Electrostatic discharge protection for a magnetoresistive sensor26 May 2016US 2016/0148628 A1International Business Machines Corporation
- Spin transport sensor22 Oct 2015US 2015/0302872 A1Seagate Technology LLC
- Electrostatic discharge protection for a magnetoresistive sensor7 May 2015US 2015/0123655 A1International Business Machines Corporation
- Spin transport sensor30 Apr 2015US 2015/0116870 A1Seagate Technology LLC
Most cited
By later US patents
- Magnetic recording head with a side shield structure for controlling side reading of thin film read sensor179US 6,943,993 B2Western Digital (Fremont), LLC · 2005
- 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
- Spin valve sensor with encapsulated keeper layer and method of making59US 6,262,869 B1International Business Machines Corporation · 2001
- Thin film magnetoresistive head47US 4,413,296 AEastman Kodak Company · 1983