G11B 5/8408
Protecting the magnetic layer
Official title: {protecting the magnetic layer}
G11B5/8408 (Protecting the magnetic layer) appears on 468 US grants and 350 published applications in this corpus.
Search patents in G11B- Granted patents
- 468
- Published applications
- 350
- Assignees
- 121
- Inventors
- 890
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 9 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 11 | 0 |
| 1995 | 7 | 0 |
| 1996 | 18 | 0 |
| 1997 | 25 | 0 |
| 1998 | 24 | 0 |
| 1999 | 29 | 0 |
| 2000 | 32 | 0 |
| 2001 | 19 | 6 |
| 2002 | 13 | 11 |
| 2003 | 26 | 21 |
| 2004 | 23 | 22 |
| 2005 | 15 | 21 |
| 2006 | 12 | 14 |
| 2007 | 12 | 21 |
| 2008 | 11 | 24 |
| 2009 | 8 | 20 |
| 2010 | 15 | 38 |
| 2011 | 16 | 22 |
| 2012 | 11 | 15 |
| 2013 | 19 | 21 |
| 2014 | 21 | 23 |
| 2015 | 26 | 20 |
| 2016 | 15 | 9 |
| 2017 | 5 | 7 |
| 2018 | 10 | 5 |
| 2019 | 3 | 5 |
| 2020 | 5 | 6 |
| 2021 | 1 | 1 |
| 2022 | 7 | 0 |
| 2023 | 4 | 2 |
| 2024 | 0 | 2 |
| 2025 | 2 | 3 |
| 2026 | 0 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Deposition apparatus24 Jun 2025US 12,338,526 B2Canon Anelva Corporation
- Magnetic recording media with metal-doped capping layer25 Feb 2025US 12,236,987 B2Western Digital Technologies, Inc.
- Method of protecting a magnetic layer of a magnetic recording medium19 Dec 2023US 11,848,037 B2National University of Singapore
- Organic fluorine compound, lubricant, and processing method of magnetic recording medium21 Nov 2023US 11,820,862 B2Resonac Corporation
- Deposition apparatus21 Nov 2023US 11,821,067 B2Canon Anelva Corporation
- Lubricant for magnetic recording media3 Sep 2026US 2026/0258319 A1Resonac Corporation
- Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium27 Aug 2026US 2026/0250595 A1Resonac Corporation
- Magnetic recording medium with amorphous metallic alloy overcoat and magnetic recording apparatus for use therewith6 Aug 2026US 2026/0229251 A1Western Digital Technologies, Inc.
- Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium18 Jun 2026US 2026/0167775 A1Resonac Corporation
- Thermo-mechanical-optical bonding of lubricants to carbon overcoat of magnetic recording media28 May 2026US 2026/0148750 A1Western Digital Technologies, Inc.
Most cited
By later US patents
- Method for producing recording media having protective overcoats of highly tetrahedral amorphous carbon122US 5,858,477 AAkashic Memories Corporation · 1999
- Magnetic tape device and head tracking servo method122US 9,984,716 B1FUJIFILM Corporation · 2018
- Method for forming diamond-like nanocomposite or doped-diamond-like nanocomposite films120US 5,352,493 A1994
- Method of sputtering a carbon protective film on a magnetic disk with high sp.sup.3 content120US 6,086,730 AKomag, Inc. · 2000
- Diamond-like metallic nanocomposites118US 5,466,431 A1995