G11B 5/656
Containing co
Official title: {containing Co (containing inorganic, non-oxide compounds of Si, N, P, B, H or C G11B5/657; containing oxygen G11B5/658)}
G11B5/656 (Containing co) appears on 200 US grants and 91 published applications in this corpus.
Search patents in G11B- Granted patents
- 200
- Published applications
- 91
- Assignees
- 78
- Inventors
- 467
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 13 | 0 |
| 2000 | 14 | 0 |
| 2001 | 7 | 2 |
| 2002 | 9 | 10 |
| 2003 | 8 | 8 |
| 2004 | 13 | 14 |
| 2005 | 8 | 7 |
| 2006 | 6 | 4 |
| 2007 | 6 | 3 |
| 2008 | 5 | 6 |
| 2009 | 1 | 1 |
| 2010 | 3 | 3 |
| 2011 | 2 | 1 |
| 2012 | 0 | 3 |
| 2013 | 1 | 0 |
| 2014 | 4 | 3 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 5 |
| 2020 | 4 | 1 |
| 2021 | 1 | 6 |
| 2022 | 4 | 2 |
| 2023 | 2 | 4 |
| 2024 | 1 | 2 |
| 2025 | 5 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tri-level magnetic recording of bits21 Apr 2026US 12,609,135 B1Seagate Technology LLC
- Magnetic recording medium and magnetic recording device4 Nov 2025US 12,462,838 B2Kabushiki Kaisha Toshiba
- Magnetic recording medium with varying composition ratio and magnetic recording device21 Oct 2025US 12,451,159 B2Kabushiki Kaisha Toshiba
- Sputtering target27 May 2025US 12,312,674 B2JX Advanced Metals Corporation
- Magnetic recording media with metal-doped capping layer25 Feb 2025US 12,236,987 B2Western Digital Technologies, Inc.
- Magnetic recording medium with magnetic capping layer containing carbon and a magnetic recording apparatus for use therewith20 Aug 2026US 2026/0245586 A1Western Digital Technologies, Inc.
- Magnetic recording media with metal-doped capping layer5 Jun 2025US 2025/0182786 A1Western Digital Technologies, Inc.
- Magnetic recording medium and magnetic recording device10 Oct 2024US 2024/0339128 A1Kabushiki Kaisha Toshiba
- Magnetic recording medium and magnetic recording device6 Jun 2024US 2024/0185884 A1Kabushiki Kaisha Toshiba
- Magnetic Film and Perpendicular Magnetic Recording Medium20 Jul 2023US 2023/0227964 A1JX Nippon Mining & Metals Corporation
Most cited
By later US patents
- Magnetic recording medium with a chromium alloy underlayer and a cobalt-based magnetic layer60US 4,652,499 AInternational Business Machines Corporation · 1987
- High density magnetic information storage medium45US 5,587,223 AThe Board of Trustees of the Leland Stanford Jr. University · 1996
- Thin film medium for horizontal magnetic recording having an improved cobalt-based alloy magnetic layer42US 4,789,598 AInternational Business Machines Corporation · 1988
- Magnetic media with permanently defined non-magnetic tracks and servo-patterns40US 6,153,281 ASeagate Technology LLC · 2000
- Magnetic recording medium39US 4,202,932 AXerox Corporation · 1980