G11B 21/24
Head support adjustments
G11B21/24 (Head support adjustments) appears on 93 US grants and 25 published applications in this corpus.
Search patents in G11B- Granted patents
- 93
- Published applications
- 25
- Assignees
- 44
- Inventors
- 166
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 11 | 0 |
| 1999 | 7 | 0 |
| 2000 | 11 | 0 |
| 2001 | 8 | 2 |
| 2002 | 1 | 1 |
| 2003 | 4 | 1 |
| 2004 | 3 | 3 |
| 2005 | 2 | 2 |
| 2006 | 3 | 2 |
| 2007 | 0 | 1 |
| 2008 | 3 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 3 | 3 |
| 2016 | 2 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 2 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Folded spring tape track following actuator17 Feb 2026US 12,555,599 B2International Business Machines Corporation
- Z-height control for disc drive using servo wedge timing13 Feb 2024US 11,900,965 B2Seagate Technology LLC
- Built-in resistance sensor for measuring slider level pole width at point “A” (PWA) for PMR/MAMR writers21 Nov 2023US 11,823,712 B2Headway Technologies, Inc.
- Head suspension system for a tape drive22 Aug 2023US 11,735,223 B2Western Digital Technologies, Inc.
- Actuators for an elevator drive14 Sep 2021US 11,120,834 B1Seagate Technology LLC
- Folded spring tape track following actuator5 Jun 2025US 2025/0182785 A1International Business Machines Corporation
- Z-height control for disc drive using servo wedge timing17 Aug 2023US 2023/0260547 A1Seagate Technology LLC
- Head suspension system for a tape drive29 Dec 2022US 2022/0415358 A1Western Digital Technologies, Inc.
- Built-In Resistance Sensor for Measuring Slider Level Pole Width at Point "A" (PWA) for PMR/MAMR Writers24 Feb 2022US 2022/0059131 A1Headway Technologies, Inc.
- Suspension assembly having a microactuator grounded to a flexure10 Nov 2016US 2016/0329066 A1Western Digital Technologies, Inc.
Most cited
By later US patents
- Mechanism for minute movement of a head149US 5,764,444 AFujitsu Limited · 1998
- Leading surface slider microactuator116US 5,898,541 ASeagate Technology LLC · 1999
- Gimbal suspension for supporting a head in a disc drive assembly86US 5,856,896 ASeagate Technology LLC · 1999
- Integrated lead suspension flexure for attaching a micro-actuator with a transducer slider63US 6,055,132 AInternatinal Business Machines Corporation · 2000
- Adaptive micro-actuated head gimbal assembly60US 5,796,558 ARead-Rite Corporation · 1998