G11B 5/7371
Non-magnetic single underlayer comprising nickel
Official title: {Non-magnetic single underlayer comprising nickel}
G11B5/7371 (Non-magnetic single underlayer comprising nickel) appears on 91 US grants and 70 published applications in this corpus.
Search patents in G11B- Granted patents
- 91
- Published applications
- 70
- Assignees
- 50
- Inventors
- 253
- Latest grant
- 20 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 3 |
| 2002 | 4 | 6 |
| 2003 | 4 | 9 |
| 2004 | 13 | 9 |
| 2005 | 5 | 1 |
| 2006 | 5 | 5 |
| 2007 | 3 | 1 |
| 2008 | 0 | 4 |
| 2009 | 3 | 6 |
| 2010 | 3 | 2 |
| 2011 | 3 | 3 |
| 2012 | 1 | 1 |
| 2013 | 1 | 4 |
| 2014 | 5 | 1 |
| 2015 | 1 | 4 |
| 2016 | 3 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 4 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic recording medium20 Aug 2024US 12,068,012 B2Sony Group Corporation
- Base for magnetic recording medium, magnetic recording medium, and magnetic storage apparatus10 Jan 2023US 11,551,712 B2Showa Denko K. K.
- Base for magnetic recording medium, magnetic recording medium, and magnetic storage apparatus10 Jan 2023US 11,551,713 B2Showa Denko K. K.
- Magnetic recording medium14 Jun 2022US 11,361,790 B2Sony Corporation
- Hard disk substrate and hard disk device including the hard disk substrate21 Dec 2021US 11,205,453 B2Toyo Kohan Co.Ltd
- Magnetic recording media with ni-pt seed layer1 Jan 2026US 2026/0004810 A1Western Digital Technologies, Inc.
- Magnetic recording medium2 Nov 2023US 2023/0352046 A1Sony Group Corporation
- Base for magnetic recording medium, magnetic recording medium, and magnetic storage apparatus3 Feb 2022US 2022/0036920 A1Showa Denko K. K.
- Base for magnetic recording medium, magnetic recording medium, and magnetic storage apparatus3 Feb 2022US 2022/0036921 A1Showa Denko K. K.
- Magnetic recording medium and magnetic recording and reproducing device3 Sep 2020US 2020/0279581 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Magnetic recording disk with composite perpendicular recording layer99US 6,468,670 B1International Business Machines Corporation · 2002
- 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
- Annealing process for electroless coated disks for high temperature applications72US 8,668,953 B1WD Media, LLC · 2014
- Method for manufacturing a magnetic disk having reduced bit shift, minimized noise, increased resolution and uniform magnetic characteristics, and the resulting disk64US 4,786,564 AKomag, Inc. · 1988