G11B 5/5547
"seek" control and circuits therefor
Official title: {"Seek" control and circuits therefor (G11B5/5556 takes precedence)}
G11B5/5547 ("seek" control and circuits therefor) appears on 781 US grants and 259 published applications in this corpus.
Search patents in G11B- Granted patents
- 781
- Published applications
- 259
- Assignees
- 130
- Inventors
- 1,059
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 10 | 0 |
| 1987 | 6 | 0 |
| 1988 | 14 | 0 |
| 1989 | 14 | 0 |
| 1990 | 21 | 0 |
| 1991 | 10 | 0 |
| 1992 | 14 | 0 |
| 1993 | 14 | 0 |
| 1994 | 19 | 0 |
| 1995 | 15 | 0 |
| 1996 | 12 | 0 |
| 1997 | 26 | 0 |
| 1998 | 40 | 0 |
| 1999 | 42 | 0 |
| 2000 | 40 | 0 |
| 2001 | 18 | 4 |
| 2002 | 22 | 18 |
| 2003 | 21 | 16 |
| 2004 | 26 | 17 |
| 2005 | 34 | 19 |
| 2006 | 27 | 22 |
| 2007 | 23 | 23 |
| 2008 | 34 | 21 |
| 2009 | 25 | 17 |
| 2010 | 16 | 10 |
| 2011 | 15 | 6 |
| 2012 | 8 | 7 |
| 2013 | 12 | 6 |
| 2014 | 26 | 7 |
| 2015 | 25 | 4 |
| 2016 | 11 | 5 |
| 2017 | 6 | 1 |
| 2018 | 18 | 8 |
| 2019 | 12 | 4 |
| 2020 | 8 | 3 |
| 2021 | 7 | 3 |
| 2022 | 7 | 6 |
| 2023 | 9 | 8 |
| 2024 | 11 | 8 |
| 2025 | 14 | 7 |
| 2026 | 12 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Anticipatory track switching microactuator track switch to enable track profile interpolation and control15 Sep 2026US 12,738,295 B1Seagate Technology LLC
- Magnetic disk device and method15 Sep 2026US 12,738,296 B1Kabushiki Kaisha Toshiba
- Increased VCM current resolution during track follow to decrease NRRO11 Aug 2026US 12,706,116 B2Western Digital Technologies, Inc.
- 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.
- Method of operating hard disk drives, corresponding control circuit, hard disk drive and processing device30 Jun 2026US 12,670,931 B2STMicroelectronics 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.
- Servo control system25 Jun 2026US 2026/0179651 A1Fanuc Corporation
- Magnetic disk device21 May 2026US 2026/0141919 A1Kabushiki Kaisha Toshiba
- Magnetic disk device30 Apr 2026US 2026/0120713 A1Kabushiki Kaisha Toshiba
- Evaluation method, manufacturing method, and disk device23 Apr 2026US 2026/0112390 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Head positioning control system for use in a disk drive using different target velocity data for read and write seeks222US 6,002,544 AKabushiki Kaisha Toshiba · 1999
- Servo data decoder for any amplitude dependent servo data encoding scheme196US 4,740,736 AAdvanced Micro Devices, Inc. · 1988
- Disk drive using rotational position optimization algorithm to facilitate write verify operations179US 6,854,022 B1Western Digital Technologies, Inc. · 2005
- Disk drive with efficient coil temperature estimation172US 6,791,785 B1Western Digital Technologies, Inc. · 2004
- Disk drive decreasing head temperature to increase fly-height during seek operation153US 7,088,545 B1Western Digital Technologies, Inc. · 2006