G11B 5/5569
Details of specially adapted mobile parts
Official title: {details of specially adapted mobile parts, e.g. electromechanical control devices (motors in general H02K)}
G11B5/5569 (Details of specially adapted mobile parts) appears on 339 US grants and 243 published applications in this corpus.
Search patents in G11B- Granted patents
- 339
- Published applications
- 243
- Assignees
- 89
- Inventors
- 604
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 5 |
| 2003 | 8 | 8 |
| 2004 | 2 | 2 |
| 2005 | 13 | 12 |
| 2006 | 9 | 7 |
| 2007 | 9 | 12 |
| 2008 | 13 | 15 |
| 2009 | 14 | 20 |
| 2010 | 9 | 12 |
| 2011 | 15 | 6 |
| 2012 | 17 | 9 |
| 2013 | 9 | 10 |
| 2014 | 11 | 10 |
| 2015 | 17 | 10 |
| 2016 | 12 | 8 |
| 2017 | 11 | 5 |
| 2018 | 10 | 8 |
| 2019 | 15 | 6 |
| 2020 | 23 | 18 |
| 2021 | 21 | 11 |
| 2022 | 22 | 11 |
| 2023 | 13 | 18 |
| 2024 | 8 | 9 |
| 2025 | 14 | 6 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anticipatory track switching microactuator track switch to enable track profile interpolation and control15 Sep 2026US 12,738,295 B1Seagate Technology LLC
- Increased VCM current resolution during track follow to decrease NRRO11 Aug 2026US 12,706,116 B2Western Digital Technologies, Inc.
- Mitigating oxygen depletion in sealed enclosure heat assisted magnetic recording disk drives28 Apr 2026US 12,614,570 B2Seagate Technology LLC
- Hard disk drives with piezoelectric ultrasonic motor31 Mar 2026US 12,592,252 B2Seagate Technology LLC
- Disk drive arm actuator with piezoelectric ultrasonic motor24 Feb 2026US 12,562,189 B2Seagate Technology LLC
- Magnetic disk device and signal synchronization method17 Sep 2026US 2026/0279394 A1Kabushiki Kaisha Toshiba
- Disk device9 Jul 2026US 2026/0196243 A1Kabushiki Kaisha Toshiba
- Bearing span reduction with coil thickness increase for improved actuator structural dynamics in hard disk drive23 Apr 2026US 2026/0112389 A1Western Digital Technologies, Inc.
- Multi-actuator device with shared read channel5 Mar 2026US 2026/0064278 A1Seagate Technology LLC
- Disk drive arm actuator with piezoelectric ultrasonic motor1 Jan 2026US 2026/0004807 A1Seagate Technology LLC
Most cited
By later US patents
- Disk drive using an optical sensor to detect a position of an actuator arm121US 7,215,504 B1Western Digital Technologies, Inc. · 2007
- Disk drive employing BEMF spindle speed control or wedge spindle speed control117US 6,914,740 B1Western Digital Technologies, Inc. · 2005
- Disk drive comprising an optical sensor for vibration mode compensation117US 7,365,932 B1Western Digital Technologies, Inc. · 2008
- Disk drive comprising an offset-nulling amplifier for detecting a back EMF voltage of a voice coil motor115US 6,900,959 B1Western Digital Technologies, Inc. · 2005
- Multiple independently positionable recording-reading head disk system86US 4,972,396 AHoneywell Inc. · 1990