G11B 5/7379
Seed layer
Official title: {Seed layer, e.g. at least one non-magnetic layer is specifically adapted as a seed or seeding layer}
G11B5/7379 (Seed layer) appears on 305 US grants and 325 published applications in this corpus.
Search patents in G11B- Granted patents
- 305
- Published applications
- 325
- Assignees
- 79
- Inventors
- 554
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 11 | 0 |
| 2001 | 8 | 1 |
| 2002 | 8 | 13 |
| 2003 | 17 | 27 |
| 2004 | 25 | 39 |
| 2005 | 25 | 31 |
| 2006 | 17 | 28 |
| 2007 | 16 | 20 |
| 2008 | 13 | 19 |
| 2009 | 17 | 16 |
| 2010 | 9 | 18 |
| 2011 | 12 | 10 |
| 2012 | 5 | 8 |
| 2013 | 8 | 6 |
| 2014 | 13 | 14 |
| 2015 | 10 | 8 |
| 2016 | 9 | 13 |
| 2017 | 7 | 8 |
| 2018 | 7 | 5 |
| 2019 | 11 | 4 |
| 2020 | 8 | 14 |
| 2021 | 10 | 9 |
| 2022 | 8 | 2 |
| 2023 | 6 | 4 |
| 2024 | 2 | 1 |
| 2025 | 2 | 3 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic recording media with sacrificial layer and corresponding etching processes to minimize head to media spacing25 Mar 2025US 12,260,889 B1Western Digital Technologies, Inc.
- Magnetic recording media with metal-doped capping layer25 Feb 2025US 12,236,987 B2Western Digital Technologies, Inc.
- Magnetic recording media with dead magnetic layer31 Dec 2024US 12,183,377 B2Western Digital Technologies, Inc.
- Magnetic recording medium20 Aug 2024US 12,068,012 B2Sony Group Corporation
- Magnetic recording media with tungsten pre-seed layer7 Nov 2023US 11,810,605 B2Western Digital Technologies, Inc.
- Production method of magnetic recording medium, and magnetic recording and reproducing device26 Feb 2026US 2026/0057905 A1Resonac Hard Disk Corporation
- Magnetic recording medium and cartridge12 Feb 2026US 2026/0045274 A1Sony Group Corporation
- Magnetic recording media with small recording grain sizes, high aspect ratio, and methods of fabricating same1 Jan 2026US 2026/0004809 A1Western Digital Technologies, Inc.
- Magnetic recording media with ni-pt seed layer1 Jan 2026US 2026/0004810 A1Western Digital Technologies, Inc.
- Magnetic recording medium, and magnetic recording and reproducing device25 Dec 2025US 2025/0391436 A1Resonac Hard Disk Corporation
Most cited
By later US patents
- Magnetic recording cartridge75US 10,720,181 B1Sony Corporation · 2020
- Magnetic recording medium, and thermal stability measuring method and apparatus of magnetic recording medium72US 7,220,500 B1Hoya Corporation · 2007
- Magnetic disk using a glass substrate71US 6,916,558 B2Hoya Corporation · 2005
- Magnetic recording medium, and thermal stability measuring method and apparatus of magnetic recording medium70US 7,420,886 B2Hoya Corporation · 2008
- Horizontal magnetic recording media having grains of chemically-ordered FEPT of COPT52US 6,086,974 AInternational Business Machines Corporation · 2000