G11B 5/73919
Aluminium or titanium elemental or alloy substrates
Official title: {Aluminium or titanium elemental or alloy substrates}
G11B5/73919 (Aluminium or titanium elemental or alloy substrates) appears on 311 US grants and 178 published applications in this corpus.
Search patents in G11B- Granted patents
- 311
- Published applications
- 178
- Assignees
- 102
- Inventors
- 655
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 12 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 10 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 12 | 0 |
| 1999 | 18 | 0 |
| 2000 | 22 | 0 |
| 2001 | 16 | 9 |
| 2002 | 9 | 14 |
| 2003 | 8 | 11 |
| 2004 | 13 | 11 |
| 2005 | 10 | 6 |
| 2006 | 7 | 7 |
| 2007 | 5 | 6 |
| 2008 | 4 | 9 |
| 2009 | 1 | 9 |
| 2010 | 4 | 3 |
| 2011 | 6 | 2 |
| 2012 | 3 | 3 |
| 2013 | 1 | 0 |
| 2014 | 6 | 3 |
| 2015 | 4 | 1 |
| 2016 | 0 | 3 |
| 2017 | 2 | 2 |
| 2018 | 2 | 6 |
| 2019 | 1 | 12 |
| 2020 | 7 | 12 |
| 2021 | 14 | 21 |
| 2022 | 13 | 4 |
| 2023 | 9 | 12 |
| 2024 | 4 | 6 |
| 2025 | 4 | 2 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aluminum alloy disc blank for magnetic disc and magnetic disc25 Aug 2026US 12,716,117 B2Furukawa Electric Co., Ltd.
- Magnetic disk and substrate for magnetic disk10 Mar 2026US 12,573,424 B2Furkawa Electric Co., Ltd.
- Magnetic recording disk with high internal stress to reduce disk deflections from shock forces and methods for use with the disk17 Feb 2026US 12,555,601 B2Western Digital Technologies, Inc.
- Magnetic disk substrate and magnetic disk using magnetic disk substrate17 Feb 2026US 12,555,602 B2Furukawa Electric Co., Ltd.
- Substrate for magnetic disk and magnetic disk10 Feb 2026US 12,548,594 B2Hoya Corporation
- Magnetic recording medium with amorphous metallic alloy overcoat and magnetic recording apparatus for use therewith6 Aug 2026US 2026/0229251 A1Western Digital Technologies, Inc.
- Substrate for magnetic disk30 Jul 2026US 2026/0221155 A1Furukawa Electric Co., Ltd.
- Substrate for magnetic disk and method for manufacturing same, and magnetic disk19 Mar 2026US 2026/0080899 A1Furukawa Electric Co., Ltd.
- Glass substrate for magnetic disk5 Mar 2026US 2026/0065934 A1Hoya Corporation
- Magnetic disk and substrate for magnetic disk3 Jul 2025US 2025/0218460 A1Furukawa Electric Co., Ltd.
Most cited
By later US patents
- Ultra-thin nucleation layer for magnetic thin film media and the method for manufacturing the same119US 6,150,015 AKomag, Inc. · 2000
- Method of making high performance, low noise isotropic magnetic media including a chromium underlayer84US 6,156,404 AKomag, Inc. · 2000
- Patterned medium and recording head83US 7,019,924 B2Komag, Inc. · 2006
- Ultra-thin nucleation layer for magnetic thin film media and the method for manufacturing the same79US 6,500,567 B1Komag, Inc. · 2002
- Laser textured magnetic disk comprising NiNb76US 6,103,404 AKomag, Inc. · 2000