G11B 5/71
Characterised by the lubricant
Official title: characterised by the lubricant
G11B5/71 (Characterised by the lubricant) appears on 354 US grants and 142 published applications in this corpus.
Search patents in G11B- Granted patents
- 354
- Published applications
- 142
- Assignees
- 64
- Inventors
- 520
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 9 | 0 |
| 1981 | 6 | 0 |
| 1982 | 6 | 0 |
| 1983 | 15 | 0 |
| 1984 | 11 | 0 |
| 1985 | 11 | 0 |
| 1986 | 9 | 0 |
| 1987 | 28 | 0 |
| 1988 | 13 | 0 |
| 1989 | 13 | 0 |
| 1990 | 7 | 0 |
| 1991 | 14 | 0 |
| 1992 | 10 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 11 | 0 |
| 2001 | 4 | 2 |
| 2002 | 1 | 2 |
| 2003 | 5 | 7 |
| 2004 | 5 | 3 |
| 2005 | 3 | 4 |
| 2006 | 1 | 1 |
| 2007 | 1 | 4 |
| 2008 | 2 | 3 |
| 2009 | 0 | 5 |
| 2010 | 4 | 4 |
| 2011 | 1 | 2 |
| 2012 | 2 | 2 |
| 2013 | 3 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 7 |
| 2017 | 4 | 13 |
| 2018 | 6 | 12 |
| 2019 | 18 | 18 |
| 2020 | 17 | 10 |
| 2021 | 12 | 13 |
| 2022 | 16 | 10 |
| 2023 | 12 | 9 |
| 2024 | 5 | 5 |
| 2025 | 6 | 1 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic recording medium including fatty ester and fatty acid ester7 Apr 2026US 12,597,441 B2Sony Group Corporation
- Process for forming underlayer for tape media3 Mar 2026US 12,567,442 B2International Business Machines Corporation
- Magnetic recording medium and cartridge26 Aug 2025US 12,400,682 B2Sony Group Corporation
- Magnetic tape, magnetic tape cartridge, and magnetic tape device19 Aug 2025US 12,394,437 B2FUJIFILM Corporation
- Magnetic tape having characterized magnetic layer, magnetic tape cartridge, and magnetic tape apparatus27 May 2025US 12,315,540 B2FUJIFILM Corporation
- Bottle-brush architecture fluorinated lubricants10 Sep 2026US 2026/0268934 A1Western Digital Technologies, Inc.
- Magnetic recording medium6 Aug 2026US 2026/0229252 A1Sony Group Corporation
- Magnetic recording medium and cartridge30 Jul 2026US 2026/0221156 A1Sony Group Corporation
- Magnetic recording medium30 Oct 2025US 2025/0336418 A1Sony Group Corporation
- Magnetic recording medium, magnetic tape cartridge, and magnetic recording and reproducing device24 Oct 2024US 2024/0355356 A1FUJIFILM Corporation
Most cited
By later US patents
- Magnetic recording medium132US 9,311,946 B2Hitachi Maxell, Ltd. · 2016
- Magnetic recording medium126US 6,254,964 B1Fuji Photo Film Co., Ltd. · 2001
- Magnetic tape and method of manufacturing the same123US 9,711,174 B2FUJIFILM Corporation · 2017
- Magnetic tape and method of manufacturing the same123US 9,721,605 B2FUJIFILM Corporation · 2017
- Magnetic tape and method of manufacturing the same123US 9,721,606 B2FUJIFILM Corporation · 2017