G11B 5/59655
Sector, sample or burst servo format
Official title: {Sector, sample or burst servo format}
G11B5/59655 (Sector, sample or burst servo format) appears on 577 US grants and 244 published applications in this corpus.
Search patents in G11B- Granted patents
- 577
- Published applications
- 244
- Assignees
- 98
- Inventors
- 826
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 11 | 0 |
| 1996 | 13 | 0 |
| 1997 | 7 | 0 |
| 1998 | 27 | 0 |
| 1999 | 31 | 0 |
| 2000 | 47 | 0 |
| 2001 | 27 | 6 |
| 2002 | 16 | 13 |
| 2003 | 18 | 4 |
| 2004 | 12 | 4 |
| 2005 | 15 | 17 |
| 2006 | 23 | 24 |
| 2007 | 23 | 35 |
| 2008 | 22 | 12 |
| 2009 | 21 | 24 |
| 2010 | 22 | 15 |
| 2011 | 18 | 11 |
| 2012 | 24 | 15 |
| 2013 | 16 | 10 |
| 2014 | 25 | 4 |
| 2015 | 19 | 6 |
| 2016 | 14 | 4 |
| 2017 | 6 | 3 |
| 2018 | 7 | 1 |
| 2019 | 6 | 3 |
| 2020 | 5 | 3 |
| 2021 | 5 | 1 |
| 2022 | 6 | 7 |
| 2023 | 6 | 2 |
| 2024 | 12 | 11 |
| 2025 | 6 | 3 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Data storage device with BiCMOS impedance-matched amplifier with transducer-bias6 Oct 2026US 12,755,754 B1Western Digital Technologies, Inc.
- Data storage device with asynchronous position error signal demodulation with split burst servo patterns18 Aug 2026US 12,711,990 B2Western Digital Technologies, Inc.
- Data storage device comprising dual channel preamp circuit21 Apr 2026US RE50,873 E1Western Digital Technologies, Inc.
- Servo sectors having multiple servo address marks in a data storage device3 Mar 2026US 12,567,436 B1Western Digital Technologies, Inc.
- Dual channel burst gain switching in a data storage device17 Feb 2026US 12,555,605 B2Western Digital Technologies, Inc.
- Data storage device comprising dual channel preamp circuit16 Jul 2026US 2026/0204287 A1Western Digital Technologies, Inc.
- Servo control system25 Jun 2026US 2026/0179651 A1Fanuc Corporation
- Data storage device with assistive bursts in servo sectors7 May 2026US 2026/0128060 A1Western Digital Technologies, Inc.
- Magnetic disk apparatus12 Mar 2026US 2026/0073941 A1Kabushiki Kaisha Toshiba
- Dual Channel Burst Gain Switching in a Data Storage Device12 Feb 2026US 2026/0045276 A1Western Digital Technologies, Inc.
Most cited
By later US patents
- 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
- Method of continuously recording servo bursts along one continuous, single helix spiral192US 6,507,450 B1Western Digital Technologies, Inc. · 2003
- Servo writing a disk drive by synchronizing a servo write clock to a high frequency signal in a spiral track187US 6,943,978 B1Western Digital Technologies, Inc. · 2005
- Servo writing a disk drive by integrating a spiral track read signal169US 7,301,717 B1Western Digital Technologies, Inc. · 2007