G11B 2005/0008
Magnetic conditionning of heads
Official title: {Magnetic conditionning of heads, e.g. biasing}
G11B2005/0008 (Magnetic conditionning of heads) appears on 263 US grants and 134 published applications in this corpus.
Search patents in G11B- Granted patents
- 263
- Published applications
- 134
- Assignees
- 57
- Inventors
- 457
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 7 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 14 | 0 |
| 2000 | 17 | 0 |
| 2001 | 18 | 3 |
| 2002 | 21 | 17 |
| 2003 | 25 | 23 |
| 2004 | 26 | 27 |
| 2005 | 13 | 15 |
| 2006 | 16 | 9 |
| 2007 | 17 | 3 |
| 2008 | 9 | 2 |
| 2009 | 3 | 0 |
| 2010 | 2 | 1 |
| 2011 | 3 | 1 |
| 2012 | 3 | 2 |
| 2013 | 2 | 3 |
| 2014 | 3 | 3 |
| 2015 | 5 | 2 |
| 2016 | 2 | 1 |
| 2017 | 3 | 1 |
| 2018 | 3 | 1 |
| 2019 | 7 | 4 |
| 2020 | 4 | 3 |
| 2021 | 5 | 4 |
| 2022 | 3 | 3 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 2 | 2 |
| 2026 | 4 | 3 |
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.
- Differential current-mode driver for microwave assisted magnetic recording8 Sep 2026US 12,731,613 B2Marvell Asia Pte Ltd
- Architecture for DC bias canceling and gain recovery for hard disk drive fly height detection11 Aug 2026US 12,706,117 B1
- Ballast circuit for stabilizing supply voltages in high-speed circuits14 Jul 2026US 12,682,923 B1
- Reader with linearizing bias current30 Dec 2025US 12,512,119 B1Seagate Technology LLC
- Architecture for dc bias canceling and gain recovery for hard disk drive fly height detection13 Aug 2026US 2026/0237403 A1STMicroelectronics International N. V.
- Ballast circuit for stabilizing supply voltages in high-speed circuits30 Jul 2026US 2026/0221151 A1STMicroelectronics International N. V.
- Adaptive Bias Control for Magnetic Recording Head30 Apr 2026US 2026/0120716 A1Headway Technologies, Inc.
- Differential Current-Mode Driver for Microwave Assisted Magnetic Recording25 Dec 2025US 2025/0391438 A1Marvell Asia Pte Ltd
- High-speed high-voltage cmos write driver4 Dec 2025US 2025/0372120 A1Western Digital Technologies, Inc.
Most cited
By later US patents
- Magnetoresistive spin valve sensor with improved pinned ferromagnetic layer and magnetic recording system using the sensor249US 5,465,185 AInternational Business Machines Corporation · 1995
- Simultaneous amplification of multiple targets174US 5,422,252 ABecton, Dickinson and Company · 1995
- Magnetic head for perpendicular recording with hard bias structure for write pole tip163US 7,199,975 B1Western Digital (Fremont), LLC · 2007
- Magnetoresistive head with minimal electromigration155US 6,163,426 ARead-Rite Corporation · 2000
- Method and system for fabricating magnetic transducers with improved pinning154US 8,227,023 B1Western Digital (Fremont), LLC · 2012