G11B 5/7377
Physical structure of underlayer
Official title: {Physical structure of underlayer, e.g. texture}
G11B5/7377 (Physical structure of underlayer) appears on 162 US grants and 119 published applications in this corpus.
Search patents in G11B- Granted patents
- 162
- Published applications
- 119
- Assignees
- 68
- Inventors
- 387
- Latest grant
- 21 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 10 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 7 | 2 |
| 2002 | 5 | 11 |
| 2003 | 12 | 13 |
| 2004 | 18 | 16 |
| 2005 | 8 | 10 |
| 2006 | 5 | 9 |
| 2007 | 6 | 11 |
| 2008 | 6 | 9 |
| 2009 | 10 | 7 |
| 2010 | 5 | 4 |
| 2011 | 7 | 6 |
| 2012 | 2 | 2 |
| 2013 | 1 | 4 |
| 2014 | 6 | 0 |
| 2015 | 3 | 5 |
| 2016 | 5 | 2 |
| 2017 | 2 | 1 |
| 2018 | 0 | 3 |
| 2019 | 2 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Large moments in BCC FExCOyMNz and other alloy thin films21 Jun 2022US 11,367,551 B2Montana State University
- Hard disk substrate and hard disk device including the hard disk substrate21 Dec 2021US 11,205,453 B2Toyo Kohan Co.Ltd
- Magnetic recording medium having magnetic layer with a granular structure10 Aug 2021US 11,087,794 B2Fuji Electric Co., Ltd.
- Underlayer for perpendicularly magnetized film, perpendicularly magnetized film structure, perpendicular MTJ element, and perpendicular magnetic recording medium using the same10 Nov 2020US 10,832,719 B2National Institute for Materials Science
- Magnetic stack including MgO—Ti(ON) interlayer22 Oct 2019US 10,453,487 B2Seagate Technology LLC
- Magnetic recording media with ni-pt seed layer1 Jan 2026US 2026/0004810 A1Western Digital Technologies, Inc.
- Large moments in bcc fexcoymnz and other alloy thin films1 Oct 2020US 2020/0312510 A1Montana State University
- Hard disk substrate and hard disk device including the hard disk substrate31 Oct 2019US 2019/0333535 A1Toyo Kohan Co.Ltd
- Underlayer for perpendicularly magnetized film, perpendicularly magnetized film structure, perpendicular mtj element, and perpendicular magnetic recording medium using the same6 Jun 2019US 2019/0172486 A1National Institute for Materials Science
- Magnetic recording medium4 Oct 2018US 2018/0286445 A1Fuji Electric Co., Ltd.
Most cited
By later US patents
- Antiferromagnetically coupled magnetic recording medium with dual-layered upper magnetic layer79US 6,759,138 B2Hoya Corporation · 2004
- Magnetic recording medium with B2 structured underlayer and a cobalt-based magnetic layer77US 5,693,426 ACarnegie Mellon University · 1997
- Laser textured magnetic disk comprising NiNb76US 6,103,404 AKomag, Inc. · 2000
- Discrete track media produced by underlayer laser ablation57US 5,723,033 AAkashic Memories Corporation · 1998
- Magnetic recording medium, method for its production, and system for its use49US 5,605,733 AHitachi, Ltd. · 1997