G11B 5/674
Having differing macroscopic or microscopic structures
Official title: {having differing macroscopic or microscopic structures, e.g. differing crystalline lattices, varying atomic structures or differing roughnesses}
G11B5/674 (Having differing macroscopic or microscopic structures) appears on 149 US grants and 151 published applications in this corpus.
Search patents in G11B- Granted patents
- 149
- Published applications
- 151
- Assignees
- 57
- Inventors
- 323
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 6 |
| 2003 | 5 | 7 |
| 2004 | 6 | 6 |
| 2005 | 4 | 10 |
| 2006 | 3 | 7 |
| 2007 | 6 | 7 |
| 2008 | 4 | 9 |
| 2009 | 5 | 12 |
| 2010 | 4 | 19 |
| 2011 | 3 | 12 |
| 2012 | 6 | 7 |
| 2013 | 14 | 6 |
| 2014 | 10 | 12 |
| 2015 | 14 | 8 |
| 2016 | 4 | 2 |
| 2017 | 6 | 2 |
| 2018 | 6 | 7 |
| 2019 | 4 | 2 |
| 2020 | 2 | 0 |
| 2021 | 4 | 2 |
| 2022 | 1 | 4 |
| 2023 | 2 | 2 |
| 2024 | 3 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic layer of a magnetic recording disk, and related magnetic recording disks28 Jul 2026US 12,694,900 B2Seagate Technology LLC
- Magnetic recording medium, magnetic tape cartridge, and magnetic recording and reproducing device30 Jul 2024US 12,051,454 B2FUJIFILM Corporation
- Multilayer exchange spring recording media25 Jun 2024US 12,020,734 B2
- Multilayer exchange spring recording media20 Feb 2024US 11,908,500 B2
- Magnetic recording medium, tape cartridge, and data processing method5 Sep 2023US 11,749,305 B2Sony Group Corporation
- Multilayer exchange spring recording media7 Mar 2024US 2024/0079030 A1
- A magnetic layer of a magnetic recording disk, and related magnetic recording disks24 Aug 2023US 2023/0267958 A1Seagate Technology LLC
- Magnetic recording medium, magnetic tape cartridge, and magnetic recording and reproducing device16 Mar 2023US 2023/0081800 A1FUJIFILM Corporation
- Magnetic recording medium, tape cartridge, and data processing method26 May 2022US 2022/0165301 A1Sony Corporation
- Magnetic recording medium26 May 2022US 2022/0165302 A1Sony Corporation
Most cited
By later US patents
- Magnetic recording media and magnetic recording read-back system which uses such media113US 5,851,643 AHitachi, Ltd. · 1998
- Magnetic recording disk with composite perpendicular recording layer99US 6,468,670 B1International Business Machines Corporation · 2002
- Composite magnetic recording medium78US 8,530,065 B1WD Media, LLC · 2013
- Perpendicular magnetic recording medium and process for manufacture thereof76US 8,580,410 B2WD Media (Singapore) Pte. Ltd. · 2013
- Magnetic recording medium and method for manufacturing magnetic recording medium74US 7,833,639 B2WD Media (Singapore) Pte. Ltd. · 2010