G11B 5/596
For track following on disks
Official title: for track following on disks {(G11B5/5526, G11B5/5552, G11B5/5565, G11B5/5582 take precedence)}
G11B5/596 (For track following on disks) appears on 4,241 US grants and 2,147 published applications in this corpus.
Search patents in G11B- Granted patents
- 4,241
- Published applications
- 2,147
- Assignees
- 384
- Inventors
- 4,182
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 8 | 0 |
| 1978 | 18 | 0 |
| 1979 | 15 | 0 |
| 1980 | 11 | 0 |
| 1981 | 6 | 0 |
| 1982 | 14 | 0 |
| 1983 | 16 | 0 |
| 1984 | 13 | 0 |
| 1985 | 35 | 0 |
| 1986 | 31 | 0 |
| 1987 | 27 | 0 |
| 1988 | 18 | 0 |
| 1989 | 32 | 0 |
| 1990 | 35 | 0 |
| 1991 | 33 | 0 |
| 1992 | 39 | 0 |
| 1993 | 32 | 0 |
| 1994 | 40 | 0 |
| 1995 | 48 | 0 |
| 1996 | 62 | 0 |
| 1997 | 70 | 0 |
| 1998 | 120 | 0 |
| 1999 | 150 | 0 |
| 2000 | 189 | 0 |
| 2001 | 154 | 57 |
| 2002 | 163 | 179 |
| 2003 | 172 | 137 |
| 2004 | 187 | 156 |
| 2005 | 200 | 178 |
| 2006 | 275 | 188 |
| 2007 | 190 | 154 |
| 2008 | 171 | 146 |
| 2009 | 184 | 148 |
| 2010 | 165 | 143 |
| 2011 | 153 | 73 |
| 2012 | 104 | 60 |
| 2013 | 97 | 83 |
| 2014 | 205 | 44 |
| 2015 | 141 | 49 |
| 2016 | 102 | 46 |
| 2017 | 66 | 34 |
| 2018 | 73 | 34 |
| 2019 | 60 | 32 |
| 2020 | 59 | 30 |
| 2021 | 51 | 35 |
| 2022 | 47 | 34 |
| 2023 | 38 | 31 |
| 2024 | 53 | 36 |
| 2025 | 41 | 22 |
| 2026 | 22 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G11B 5/59633Servo formatting1,887
- G11B 5/59627Aligning for runout, eccentricity or offset compensation982
- G11B 5/59605Circuits865
- G11B 5/59688Servo signal format patterns or signal processing thereof702
- G11B 5/59683For magnetoresistive heads198
- G11B 5/59694System adaptation for working during or after external perturbation161
- G11B 5/59677With optical servo tracking140
Recent patents
- Data storage device with BiCMOS impedance-matched amplifier with transducer-bias6 Oct 2026US 12,755,754 B1Western Digital Technologies, Inc.
- Burst pattern track-to-track phase adjustment in a data storage device29 Sep 2026US 12,749,504 B1Western Digital Technologies, Inc.
- Data storage device with assistive bursts in servo sectors15 Sep 2026US 12,738,294 B2Western Digital Technologies, Inc.
- Early warning offtrack collision system for hard disk drives25 Aug 2026US 12,718,842 B1Seagate Technology LLC
- Magnetic disk device and method18 Aug 2026US 12,711,984 B2Kabushiki Kaisha Toshiba
- Burst Pattern Track-to-Track Phase Adjustment in a Data Storage Device1 Oct 2026US 2026/0301766 A1Western Digital Technologies, Inc.
- Magnetic disk device and method24 Sep 2026US 2026/0290391 A1
- Laser current calibration under id crash stop compression area for blank disk self-servo write10 Sep 2026US 2026/0268931 A1
- Laser current calibration under id crash stop compression area for blank disk self-servo write10 Sep 2026US 2026/0268932 A1
- Control device, disk drive, control method, and storage medium20 Aug 2026US 2026/0245587 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Class AB H-bridge using current sensing MOSFETs1,035US 6,445,530 B1Seagate Technology LLC · 2002
- System for self-servowriting a disk drive251US 5,668,679 AQuantum Corporation · 1997
- High capacity submicro-winchester fixed disk drive235US 5,255,136 AQuantum Corporation · 1993
- Sector architecture for fixed block disk drive234US 5,523,903 AInternational Business Machines Corporation · 1996
- Disk drive employing read channel IC with common port for data and servo233US 6,278,568 B1Western Digital Corporation · 2001