G11B 5/7361
Two or more non-magnetic layers
Official title: {Two or more non-magnetic layers}
G11B5/7361 (Two or more non-magnetic layers) appears on 14 US grants and 16 published applications in this corpus.
Search patents in G11B- Granted patents
- 14
- Published applications
- 16
- Assignees
- 15
- Inventors
- 55
- Latest grant
- 25 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 4 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 2 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 2 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year.
Subgroups
Granted patents
Recent patents
- Magnetic recording medium, magnetic recording and reproducing apparatus, magnetic tape cartridge, and magnetic tape cartridge group25 Oct 2022US 11,482,250 B2FUJIFILM Corporation
- Magnetic recording medium, magnetic recording and reproducing apparatus, magnetic tape cartridge, and magnetic tape cartridge group8 Feb 2022US 11,244,702 B2FUJIFILM Corporation
- Magnetic recording medium utilizing adjacent underlayer and magnetic layer having particular compositions, magnetic storage apparatus, and method of manufacturing magnetic recording medium30 Nov 2021US 11,189,313 B2Showa Denko K. K.
- Negative thermal expansion layer for heat assisted magnetic recording media19 Jan 2021US 10,896,693 B1Seagate Technology LLC
- Soft underlayer for heat assisted magnetic recording media21 Nov 2017US 9,824,711 B1WD Media, LLC
- Magnetic recording medium manufacturing method and magnetic read/write device28 Aug 2025US 2025/0273240 A1Resonac Hard Disk Corporation
- Magnetic recording medium, magnetic recording and reproducing apparatus, magnetic tape cartridge, and magnetic tape cartridge group27 Jan 2022US 2022/0028420 A1FUJIFILM Corporation
- Magnetic recording medium, magnetic storage apparatus, and method of manufacturing magnetic recording medium19 Aug 2021US 2021/0256998 A1Showa Denko K. K.
- Magnetic recording medium, magnetic recording and reproducing apparatus, magnetic tape cartridge, and magnetic tape cartridge group29 Jul 2021US 2021/0233566 A1FUJIFILM Corporation
- Recording layer for heat assisted magnetic recording3 Jan 2013US 2013/0004796 A1Seagate Technology LLC
Most cited
By later US patents
- Recording layer for heat assisted magnetic recording17US 8,507,114 B2Seagate Technology LLC · 2013
- Soft underlayer for heat assisted magnetic recording media10US 9,824,711 B1WD Media, LLC · 2017
- Heatsink for heat assisted magnetic recording media7US 9,263,076 B1Seagate Technology LLC · 2016
- Magnetic recording medium and magnetic recording and reproduction apparatus6US 7,385,785 B2TDK Corporation · 2008
- Recording medium and method of making the same4US 7,521,135 B2Fujitsu Limited · 2009