G11B 5/255
Comprising means for protection against wear
Official title: comprising means for protection against wear {(in thin film structures G11B5/3106)}
G11B5/255 (Comprising means for protection against wear) appears on 312 US grants and 170 published applications in this corpus.
Search patents in G11B- Granted patents
- 312
- Published applications
- 170
- Assignees
- 88
- Inventors
- 561
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 10 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 17 | 0 |
| 1999 | 15 | 0 |
| 2000 | 13 | 0 |
| 2001 | 6 | 3 |
| 2002 | 14 | 12 |
| 2003 | 11 | 6 |
| 2004 | 12 | 12 |
| 2005 | 7 | 2 |
| 2006 | 5 | 8 |
| 2007 | 3 | 4 |
| 2008 | 6 | 8 |
| 2009 | 3 | 2 |
| 2010 | 3 | 4 |
| 2011 | 3 | 5 |
| 2012 | 4 | 6 |
| 2013 | 9 | 7 |
| 2014 | 5 | 10 |
| 2015 | 13 | 12 |
| 2016 | 14 | 16 |
| 2017 | 16 | 12 |
| 2018 | 12 | 11 |
| 2019 | 9 | 11 |
| 2020 | 16 | 2 |
| 2021 | 7 | 3 |
| 2022 | 4 | 5 |
| 2023 | 4 | 3 |
| 2024 | 6 | 3 |
| 2025 | 1 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low friction planar servo writer head16 Jun 2026US 12,658,200 B2Western Digital Technologies, Inc.
- Non-contact tape head16 Jun 2026US 12,658,208 B2Western Digital Technologies, Inc.
- Reduction of high tape contact pressure points against head assembly21 Oct 2025US 12,451,157 B2Western Digital Technologies, Inc.
- Microwave-assisted magnetic recording (MAMR) head slider with diamoind-like carbon layer and a silicon nitride layer, and related head gimbal assembly and disk drive unit1 Oct 2024US 12,106,783 B2SAE Magnetics (H. K.) Ltd.
- Reduction of high tape contact pressure points against head assembly9 Jul 2024US 12,033,674 B2Western Digital Technologies, Inc.
- Non-Contact Tape Head11 Jun 2026US 2026/0162676 A1Western Digital Technologies, Inc.
- Reduction Of High Tape Contact Pressure Points Against Head Assembly12 Feb 2026US 2026/0045273 A1Western Digital Technologies, Inc.
- Low Friction Planar Servo Writer Head11 Dec 2025US 2025/0378846 A1Western Digital Technologies, Inc.
- Reduction of high tape contact pressure points against head assembly26 Sep 2024US 2024/0321295 A1Western Digital Technologies, Inc.
- Independent Reader/Writer Overcoats for an SGV Tape Head28 Mar 2024US 2024/0105218 A1Western Digital Technologies, Inc.
Most cited
By later US patents
- Diamond-like carbon films from a hydrocarbon helium plasma262US 5,470,661 AInternational Business Machines Corporation · 1995
- Laminated carbon-containing overcoats for information storage system transducers181US 6,433,965 B1Read-Rite Corporation · 2002
- Disk drive implementing wear prevention in a high frequency access band of tracks138US 7,149,046 B1Western Digital Technologies, Inc. · 2006
- Tape head having sensors proximate to an edge113US 9,837,104 B1International Business Machines Corporation · 2017
- Head slider with projections arranged on rails thereof96US 5,841,608 AFujitsu Limited · 1998