G11B 5/70621
Containing co metal or alloys
Official title: {containing Co metal or alloys}
G11B5/70621 (Containing co metal or alloys) appears on 156 US grants and 93 published applications in this corpus.
Search patents in G11B- Granted patents
- 156
- Published applications
- 93
- Assignees
- 53
- Inventors
- 281
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 9 | 0 |
| 2000 | 11 | 0 |
| 2001 | 6 | 6 |
| 2002 | 5 | 14 |
| 2003 | 14 | 5 |
| 2004 | 9 | 7 |
| 2005 | 5 | 6 |
| 2006 | 3 | 6 |
| 2007 | 5 | 7 |
| 2008 | 3 | 1 |
| 2009 | 1 | 3 |
| 2010 | 2 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 2 | 5 |
| 2019 | 3 | 6 |
| 2020 | 2 | 3 |
| 2021 | 12 | 11 |
| 2022 | 6 | 3 |
| 2023 | 4 | 3 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sputtering target27 May 2025US 12,312,674 B2JX Advanced Metals Corporation
- Heat-assisted magnetic recording (HAMR) medium with optical-coupling multilayer between the recording layer and heat-sink layer9 Jan 2024US 11,869,556 B2Western Digital Technologies, Inc.
- Process for forming magnetic recording layer for tape media17 Oct 2023US 11,790,942 B2International Business Machines Corporation
- Tape media having synergistic magnetic recording layer and underlayer5 Sep 2023US 11,749,306 B2International Business Machines Corporation
- Base for magnetic recording medium, magnetic recording medium, and magnetic storage apparatus10 Jan 2023US 11,551,712 B2Showa Denko K. K.
- Magnetic recording medium30 Jul 2026US 2026/0221154 A1Sony Group Corporation
- Magnetic recording medium, magnetic tape cartridge, and magnetic recording and reproducing device30 Nov 2023US 2023/0386515 A1FUJIFILM Corporation
- Heat-assisted magnetic recording (hamr) medium with optical-coupling multilayer between the recording layer and heat-sink layer16 Feb 2023US 2023/0048634 A1Western Digital Technologies, Inc.
- Sputtering Target19 Jan 2023US 2023/0019656 A1JX Nippon Mining & Metals Corporation
- Magnetic recording medium5 May 2022US 2022/0139423 A1Sony Group Corporation
Most cited
By later US patents
- Process for producing a magnetic material and magnetic recording medium containing the same39US 4,020,236 AFuji Photo Film Co., Ltd. · 1977
- Process for production of ferromagnetic powder33US 4,063,000 AFuji Photo Film Co., Ltd. · 1977
- Corrosion resistant ferromagnetic metal powders and method of preparing the same33US 4,253,886 AFuji Photo Film Co., Ltd. · 1981
- Underlayer formulation for tape media26US 11,158,340 B2International Business Machines Corporation · 2021
- Metal alloy fine particles and method for producing thereof25US 6,875,253 B2Hitachi Maxell, Ltd. · 2005