G11B 5/6029
Measurement using values derived from the data signal read from the disk
Official title: {Measurement using values derived from the data signal read from the disk}
G11B5/6029 (Measurement using values derived from the data signal read from the disk) appears on 239 US grants and 151 published applications in this corpus.
Search patents in G11B- Granted patents
- 239
- Published applications
- 151
- Assignees
- 44
- Inventors
- 429
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 4 | 5 |
| 2006 | 5 | 7 |
| 2007 | 9 | 11 |
| 2008 | 11 | 14 |
| 2009 | 15 | 15 |
| 2010 | 18 | 23 |
| 2011 | 19 | 8 |
| 2012 | 12 | 12 |
| 2013 | 11 | 13 |
| 2014 | 31 | 9 |
| 2015 | 24 | 2 |
| 2016 | 11 | 3 |
| 2017 | 9 | 2 |
| 2018 | 5 | 1 |
| 2019 | 6 | 2 |
| 2020 | 1 | 2 |
| 2021 | 4 | 0 |
| 2022 | 5 | 3 |
| 2023 | 5 | 4 |
| 2024 | 6 | 5 |
| 2025 | 8 | 4 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Data storage device with real time fly height predictor for different servo seek sequences and other drive operations21 Jul 2026US 12,688,872 B1Western Digital Technologies, Inc.
- Data storage device with jitter-based touchdown detection19 May 2026US 12,633,307 B1Western Digital Technologies, Inc.
- Magnetic disk device and method for adjusting head flying height in magnetic disk device10 Feb 2026US 12,548,593 B2Kabushiki Kaisha Toshiba
- Measuring NFT protrusion in a heat assisted magnetic recording drive using burst writing and a constant laser diode temperature13 May 2025US 12,300,285 B1Western Digital Technologies, Inc.
- Hard disk drive idle sweep for thermal asperity avoidance22 Apr 2025US 12,283,292 B2Western Digital Technologies, Inc.
- 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.
- Magnetic disk device and method for adjusting head flying height in magnetic disk device9 Oct 2025US 2025/0316288 A1Kabushiki Kaisha Toshiba
- Envelope detector architecture with noise cancelation3 Apr 2025US 2025/0112596 A1STMicroelectronics International N. V.
- Magnetic recording and reproducing device and adjustment method of the same27 Mar 2025US 2025/0104736 A1Kabushiki Kaisha Toshiba
- Magnetic disk device and control method of the same20 Mar 2025US 2025/0095681 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Method and apparatus for in-situ measurement of head/recording medium clearance214US 4,777,544 AInternational Business Machine Corporation · 1988
- Disk drive having a write condition detector for suspending write operations while a transducer flying height deviates from its operating flying height167US 6,249,393 B1Western Digital Corporation · 2001
- Method for defining a touch-down power for head having a flying height actuator167US 7,440,220 B1Western Digital (Fremont), LLC · 2008
- Method of monitoring operation of a disk drive by analyzing the envelope of a read-back signal in the frequency domain166US 7,349,170 B1Western Digital (Fremont), LLC · 2008
- Determining head non-linearity in a disk drive141US 7,724,461 B1Western Digital Technologies, Inc. · 2010