G11B 21/106
On disks
Official title: {on disks}
G11B21/106 (On disks) appears on 511 US grants and 120 published applications in this corpus.
Search patents in G11B- Granted patents
- 511
- Published applications
- 120
- Assignees
- 118
- Inventors
- 777
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 12 | 0 |
| 1984 | 12 | 0 |
| 1985 | 17 | 0 |
| 1986 | 14 | 0 |
| 1987 | 6 | 0 |
| 1988 | 9 | 0 |
| 1989 | 12 | 0 |
| 1990 | 11 | 0 |
| 1991 | 11 | 0 |
| 1992 | 9 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 8 | 0 |
| 1996 | 12 | 0 |
| 1997 | 12 | 0 |
| 1998 | 34 | 0 |
| 1999 | 40 | 0 |
| 2000 | 49 | 0 |
| 2001 | 34 | 16 |
| 2002 | 22 | 18 |
| 2003 | 22 | 16 |
| 2004 | 26 | 13 |
| 2005 | 13 | 9 |
| 2006 | 19 | 5 |
| 2007 | 6 | 3 |
| 2008 | 6 | 3 |
| 2009 | 5 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 2 | 6 |
| 2014 | 4 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 5 | 2 |
| 2019 | 6 | 2 |
| 2020 | 8 | 2 |
| 2021 | 3 | 1 |
| 2022 | 7 | 5 |
| 2023 | 13 | 8 |
| 2024 | 4 | 0 |
| 2025 | 1 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Data storage device with spiral write mode hop mitigation7 Jul 2026US 12,676,167 B1Western Digital Technologies, Inc.
- Magnetic disk apparatus and method25 Mar 2025US 12,260,888 B1Kabushiki Kaisha Toshiba
- Magnetic disk device30 Jan 2024US 11,887,633 B2Kabushiki Kaisha Toshiba
- Split-actuator drive that coordinates fractional-wedge timing of aggressor and victim for effective victim feedforward2 Jan 2024US 11,862,196 B1Kabushiki Kaisha Toshiba
- Magnetic disk device2 Jan 2024US 11,862,197 B2Kabushiki Kaisha Toshiba
- Data storage device with spiral write mode hop mitigation9 Jul 2026US 2026/0196244 A1Western Digital Technologies, Inc.
- Method of Manufacturing Piezoelectric Microactuators Having Wrap-Around Electrodes4 Sep 2025US 2025/0279116 A1Magnecomp Corporation
- Magnetic disk apparatus and method20 Mar 2025US 2025/0095680 A1Kabushiki Kaisha Toshiba
- Disk Drive Suspension Assembly With PZT Actuators Having Active And Inactive Regions27 Feb 2025US 2025/0069622 A1Magnecomp Corporation
- Magnetic disk device and method28 Sep 2023US 2023/0306987 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Sector architecture for fixed block disk drive234US 5,523,903 AInternational Business Machines Corporation · 1996
- Method and apparatus for fingerprinting magnetic media206US 5,365,586 AWashington University · 1994
- Servo data decoder for any amplitude dependent servo data encoding scheme196US 4,740,736 AAdvanced Micro Devices, Inc. · 1988
- Disk system with sub-actuators for fine head displacement151US 5,189,578 AHitachi, Ltd. · 1993
- Method of mapping logical sectors to physical sectors in a disk drive sparing partition131US 5,822,142 AWestern Digital Corporation · 1998