G11B 5/2455
The magnetic circuit including at least one magnetic thin film of controllable
Official title: {the magnetic circuit including at least one magnetic thin film of controllable properties (for scanning G11B5/4938)}
G11B5/2455 (The magnetic circuit including at least one magnetic thin film of controllable) appears on 20 US grants and 8 published applications in this corpus.
Search patents in G11B- Granted patents
- 20
- Published applications
- 8
- Assignees
- 9
- Inventors
- 39
- Latest grant
- 7 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 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 | 1 |
| 2021 | 5 | 1 |
| 2022 | 3 | 2 |
| 2023 | 3 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Magnetic head including multiple magnetic layers and magnetic recording device7 Nov 2023US 11,810,601 B2Kabushiki Kaisha Toshiba
- Magnetic recording device and magnetic recording method utilizing assisted magnetic recording31 Jan 2023US 11,568,890 B2Kabushiki Kaisha Toshiba
- 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
- Magnetic head and magnetic recording device2 Feb 2023US 2023/0031273 A1Kabushiki Kaisha Toshiba
- Magnetic recording device and magnetic recording method19 May 2022US 2022/0157336 A1Kabushiki Kaisha Toshiba
- 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
- Magnetic head and magnetic recording and reproducing device28 May 2020US 2020/0168244 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Adaptive-gap magnetic recording and reading head12US 5,173,821 AUnisys Corporation · 1992
- 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
- Dual gap horizontal thin film inductive head10US 5,926,350 AInternational Business Machines Corporation · 1999