G11B 5/73913
Composites or coated substrates
Official title: {Composites or coated substrates}
G11B5/73913 (Composites or coated substrates) appears on 232 US grants and 127 published applications in this corpus.
Search patents in G11B- Granted patents
- 232
- Published applications
- 127
- Assignees
- 80
- Inventors
- 483
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 18 | 0 |
| 2000 | 17 | 0 |
| 2001 | 11 | 5 |
| 2002 | 9 | 12 |
| 2003 | 5 | 6 |
| 2004 | 13 | 8 |
| 2005 | 9 | 8 |
| 2006 | 5 | 8 |
| 2007 | 5 | 4 |
| 2008 | 3 | 12 |
| 2009 | 1 | 9 |
| 2010 | 6 | 4 |
| 2011 | 4 | 2 |
| 2012 | 4 | 4 |
| 2013 | 3 | 0 |
| 2014 | 3 | 2 |
| 2015 | 3 | 5 |
| 2016 | 1 | 0 |
| 2017 | 3 | 2 |
| 2018 | 1 | 5 |
| 2019 | 1 | 6 |
| 2020 | 6 | 3 |
| 2021 | 6 | 8 |
| 2022 | 5 | 5 |
| 2023 | 7 | 4 |
| 2024 | 2 | 3 |
| 2025 | 1 | 0 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aluminum alloy disc blank for magnetic disc and magnetic disc25 Aug 2026US 12,716,117 B2Furukawa Electric Co., Ltd.
- 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
- Aluminum alloy substrate for magnetic disc and magnetic disc4 Mar 2025US 12,243,570 B2Furukawa Electric Co., Ltd.
- Aluminum alloy disc blank for magnetic disc and magnetic disc10 Sep 2024US 12,087,342 B2Furukawa Electric Co., Ltd.
- 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.
- Substrate for magnetic disk and magnetic disk22 Aug 2024US 2024/0282337 A1Hoya Corporation
- Aluminum alloy disc blank for magnetic disc and magnetic disc18 Jan 2024US 2024/0018633 A1Furukawa Electric Co., Ltd.
- Aluminum alloy substrate for magnetic disc and magnetic disc18 Jan 2024US 2024/0021213 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
- Ultra-thin nucleation layer for magnetic thin film media and the method for manufacturing the same79US 6,500,567 B1Komag, Inc. · 2002
- Method for manufacturing a magnetic disk having reduced bit shift, minimized noise, increased resolution and uniform magnetic characteristics, and the resulting disk64US 4,786,564 AKomag, Inc. · 1988
- Highly oriented magnetic thin films, recording media, transducers, devices made therefrom and methods of making61US 6,248,416 B1Carnegie Mellon University · 2001