G11B 20/10481
Optimisation methods
Official title: {optimisation methods}
G11B20/10481 (Optimisation methods) appears on 438 US grants and 391 published applications in this corpus.
Search patents in G11B- Granted patents
- 438
- Published applications
- 391
- Assignees
- 123
- Inventors
- 792
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 3 |
| 2002 | 11 | 9 |
| 2003 | 12 | 19 |
| 2004 | 10 | 21 |
| 2005 | 7 | 18 |
| 2006 | 20 | 37 |
| 2007 | 21 | 36 |
| 2008 | 23 | 38 |
| 2009 | 24 | 39 |
| 2010 | 25 | 46 |
| 2011 | 47 | 33 |
| 2012 | 42 | 20 |
| 2013 | 24 | 11 |
| 2014 | 36 | 18 |
| 2015 | 24 | 7 |
| 2016 | 16 | 4 |
| 2017 | 10 | 6 |
| 2018 | 11 | 3 |
| 2019 | 3 | 1 |
| 2020 | 2 | 6 |
| 2021 | 5 | 1 |
| 2022 | 4 | 3 |
| 2023 | 4 | 3 |
| 2024 | 3 | 4 |
| 2025 | 6 | 3 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Magnetic disk device, control method, and learning method8 Sep 2026US 12,731,614 B2Kabushiki Kaisha Toshiba
- Information processing device, magnetic recording/reproducing device, and magnetic recording/reproducing system31 Mar 2026US 12,592,256 B2Kabushiki Kaisha Toshiba
- Disk device6 Jan 2026US 12,518,791 B2Kabushiki Kaisha Toshiba
- Switchable inductor for boost or matching optimization18 Nov 2025US 12,475,926 B1Avago Technologies International Sales Pte. Limited
- High-density archival storage using conventional hard disk drive architecture1 Jul 2025US 12,347,454 B1Seagate Technology LLC
- Magnetic recording device24 Sep 2026US 2026/0290396 A1Kabushiki Kaisha Toshiba
- Magnetic disk device, control method, and learning method26 Mar 2026US 2026/0088049 A1Kabushiki Kaisha Toshiba
- Disk device18 Sep 2025US 2025/0292797 A1Kabushiki Kaisha Toshiba
- Global Secondary Path Locking Technique Enabling High Read Concurrency For Read-Mostly Workloads28 Aug 2025US 2025/0273242 A1Oracle International Corporation
- Information processing device, magnetic recording/reproducing device, and magnetic recording/reproducing system20 Mar 2025US 2025/0095683 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Hard disk drive having a built-in self-test for measuring non-linear signal distortion183US 6,208,477 B1Western Digital Corporation · 2001
- Disk drive establishing write current limits prior to optimizing the write current for a plurality of tracks136US 7,933,090 B1Western Digital Technologies, Inc. · 2011
- Disk drive comprising a trellis detector having a read signal whitener in the ACS circuit133US 8,201,066 B1Western Digital Technologies, Inc. · 2012
- Disk drive adapting equalizer relative to bit error rate of sequence detector132US 7,944,639 B1Western Digital Technologies, Inc. · 2011
- Performance based write current optimization process83US 5,600,500 ASeagate Technology LLC · 1997