G11B 19/048
Testing of disk drives
Official title: {Testing of disk drives, e.g. to detect defects or prevent sudden failure}
G11B19/048 (Testing of disk drives) appears on 203 US grants and 189 published applications in this corpus.
Search patents in G11B- Granted patents
- 203
- Published applications
- 189
- Assignees
- 80
- Inventors
- 488
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 4 |
| 2007 | 1 | 6 |
| 2008 | 4 | 25 |
| 2009 | 7 | 26 |
| 2010 | 16 | 28 |
| 2011 | 40 | 12 |
| 2012 | 15 | 18 |
| 2013 | 20 | 12 |
| 2014 | 21 | 14 |
| 2015 | 22 | 8 |
| 2016 | 12 | 11 |
| 2017 | 10 | 6 |
| 2018 | 10 | 3 |
| 2019 | 3 | 0 |
| 2020 | 4 | 2 |
| 2021 | 1 | 1 |
| 2022 | 3 | 2 |
| 2023 | 2 | 3 |
| 2024 | 1 | 3 |
| 2025 | 3 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Machine learning supplemented storage device calibration19 May 2026US 12,632,775 B2Western Digital Technologies, Inc.
- Magnetic disk device24 Feb 2026US 12,562,192 B2Kabushiki Kaisha Toshiba
- Data storage device configuration using mutual information29 Jul 2025US 12,374,365 B2Western Digital Technologies, Inc.
- Modulation code and ECC rate optimization using symbol context mutual information27 May 2025US 12,315,534 B2Western Digital Technologies, Inc.
- Machine learning defect management in storage devices25 Mar 2025US 12,260,877 B2Western Digital Technologies, Inc.
- Disk device and control method for disk device24 Sep 2026US 2026/0290394 A1Kabushiki Kaisha Toshiba
- Magnetic disk device9 Oct 2025US 2025/0316290 A1Kabushiki Kaisha Toshiba
- Data Storage Device Configuration Using Mutual Information8 Aug 2024US 2024/0265943 A1Western Digital Technologies, Inc.
- Modulation Code and ECC Rate Optimization Using Symbol Context Mutual Information8 Aug 2024US 2024/0265948 A1Western Digital Technologies, Inc.
- Machine learning defect management in storage devices1 Aug 2024US 2024/0257835 A1Western Digital Technologies, Inc.
Most cited
By later US patents
- Disk drive margining read channel using predictable disturbance samples generated as a function of a written pattern141US 7,990,648 B1Western Digital Technologies, Inc. · 2011
- Configuring a data storage device with a configuration data record set in response to a configuration code138US 7,984,200 B1Western Digital Technologies, Inc. · 2011
- Disk drive using loopback to calibrate transmission amplitude137US 7,280,302 B1Western Digital Technologies, Inc. · 2007
- Configuring a data storage device with a configuration data record set in response to a configuration code132US 8,621,115 B1Western Digital Technologies, Inc. · 2013
- Self-heating integrated circuit115US 8,358,145 B1Western Digital Technologies, Inc. · 2013