G11B 5/4873
The arm comprising piezoelectric or other actuators for adjustment of the arm
Official title: {the arm comprising piezoelectric or other actuators for adjustment of the arm}
G11B5/4873 (The arm comprising piezoelectric or other actuators for adjustment of the arm) appears on 440 US grants and 366 published applications in this corpus.
Search patents in G11B- Granted patents
- 440
- Published applications
- 366
- Assignees
- 57
- Inventors
- 520
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 4 |
| 2002 | 3 | 7 |
| 2003 | 7 | 7 |
| 2004 | 9 | 9 |
| 2005 | 5 | 8 |
| 2006 | 16 | 11 |
| 2007 | 2 | 13 |
| 2008 | 9 | 10 |
| 2009 | 13 | 15 |
| 2010 | 9 | 37 |
| 2011 | 10 | 24 |
| 2012 | 43 | 11 |
| 2013 | 27 | 23 |
| 2014 | 39 | 26 |
| 2015 | 43 | 24 |
| 2016 | 31 | 13 |
| 2017 | 23 | 20 |
| 2018 | 18 | 12 |
| 2019 | 14 | 12 |
| 2020 | 16 | 16 |
| 2021 | 19 | 11 |
| 2022 | 17 | 13 |
| 2023 | 8 | 9 |
| 2024 | 9 | 12 |
| 2025 | 9 | 9 |
| 2026 | 14 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Piezoelectric motor for hard disk drive actuator arm22 Sep 2026US 12,744,056 B2Seagate Technology LLC
- Head driving device11 Aug 2026US 12,706,114 B2NHK Spring Co., Ltd.
- Disk drive suspension assembly with single actuator28 Jul 2026US 12,694,898 B2Magnecomp Corporation
- Disk device having flexure with protrusion28 Jul 2026US 12,694,899 B2Kabushiki Kaisha Toshiba
- Voltage slew control of fine actuators in hard disk drive16 Jun 2026US 12,658,207 B1Western Digital Technologies, Inc.
- Ultrasonic motor rotary actuator for hard disk drive24 Sep 2026US 2026/0290395 A1Seagate Technology LLC
- Piezoelectric motor for hard disk drive actuator arm27 Aug 2026US 2026/0253609 A1Seagate Technology LLC
- Disk device16 Jul 2026US 2026/0204284 A1Kabushiki Kaisha Toshiba
- Actuator assembly and magnetic disk device11 Jun 2026US 2026/0162675 A1Kabushiki Kaisha Toshiba
- Disk drive suspension14 May 2026US 2026/0134882 A1NHK Spring Co., Ltd.
Most cited
By later US patents
- Collocated rotating flexure microactuator for dual-stage servo in disk drives225US 6,376,964 B1Read-Rite Corporation · 2002
- Head gimbal assembly having a radial rotary piezoelectric microactuator between a read head and a flexure tongue194US 8,264,797 B2Western Digital (Fremont), LLC · 2012
- Piezoelectric vibration damping for disk drives192US 6,310,746 B1Read-Rite Corporation · 2001
- Fly height servo control of read/write head suspension180US 5,377,058 AInternational Business Machines Corporation · 1994
- Disk drive with primary and secondary actuator drives177US 5,521,778 AInternational Business Machines Corporation · 1996