G11B 5/6076
Detecting head-disk contact
Official title: {Detecting head-disk contact}
G11B5/6076 (Detecting head-disk contact) appears on 322 US grants and 190 published applications in this corpus.
Search patents in G11B- Granted patents
- 322
- Published applications
- 190
- Assignees
- 49
- Inventors
- 535
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 0 |
| 2002 | 3 | 5 |
| 2003 | 2 | 2 |
| 2004 | 3 | 1 |
| 2005 | 1 | 2 |
| 2006 | 4 | 5 |
| 2007 | 4 | 2 |
| 2008 | 1 | 15 |
| 2009 | 9 | 4 |
| 2010 | 8 | 4 |
| 2011 | 4 | 8 |
| 2012 | 12 | 19 |
| 2013 | 16 | 27 |
| 2014 | 60 | 33 |
| 2015 | 54 | 16 |
| 2016 | 23 | 10 |
| 2017 | 27 | 7 |
| 2018 | 21 | 6 |
| 2019 | 12 | 4 |
| 2020 | 10 | 3 |
| 2021 | 4 | 0 |
| 2022 | 4 | 3 |
| 2023 | 3 | 1 |
| 2024 | 7 | 5 |
| 2025 | 2 | 5 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Architecture for DC bias canceling and gain recovery for hard disk drive fly height detection11 Aug 2026US 12,706,117 B1
- Data storage device with jitter-based touchdown detection19 May 2026US 12,633,307 B1Western Digital Technologies, Inc.
- Disk device24 Mar 2026US 12,586,603 B2Kabushiki Kaisha Toshiba
- Smear height detection and measurement in a data storage device10 Mar 2026US 12,573,427 B1Western Digital Technologies, Inc.
- Magnetic disk device13 Jan 2026US 12,525,252 B2Kabushiki Kaisha Toshiba
- Architecture for dc bias canceling and gain recovery for hard disk drive fly height detection13 Aug 2026US 2026/0237403 A1STMicroelectronics International N. V.
- Data storage device with real time fly height predictor for different servo seek sequences and other drive operations23 Jul 2026US 2026/0212885 A1Western Digital Technologies, Inc.
- Data storage device shaping read thermal sensor bias signal to balance write thermal sensor signal during laser operation11 Jun 2026US 2026/0162674 A1Western Digital Technologies, Inc.
- Magnetic disk device25 Dec 2025US 2025/0391426 A1Kabushiki Kaisha Toshiba
- Interface voltage control for slider in data storage device25 Dec 2025US 2025/0391435 A1Western Digital Technologies, Inc.
Most cited
By later US patents
- Differential head integrated touchdown sensors for hard disk drives207US 7,800,858 B1Western Digital (Fremont), LLC · 2010
- Head integrated touchdown sensor for hard disk drives204US 7,796,356 B1Western Digital (Fremont), LLC · 2010
- Method for defining a touch-down power for head having a flying height actuator167US 7,440,220 B1Western Digital (Fremont), LLC · 2008
- Method and system for pulsing EAMR disk drives166US 8,289,821 B1Western Digital (Fremont), LLC · 2012
- Disk drive determining operating fly height by detecting head disk contact from disk rotation time164US 7,583,466 B2Western Digital (Fremont), LLC · 2009