G11B 2005/0013
Of transducers
Official title: {of transducers, e.g. linearisation, equalisation}
G11B2005/0013 (Of transducers) appears on 1,125 US grants and 539 published applications in this corpus.
Search patents in G11B- Granted patents
- 1,125
- Published applications
- 539
- Assignees
- 154
- Inventors
- 1,570
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 14 | 0 |
| 1995 | 18 | 0 |
| 1996 | 23 | 0 |
| 1997 | 28 | 0 |
| 1998 | 57 | 0 |
| 1999 | 44 | 0 |
| 2000 | 89 | 0 |
| 2001 | 89 | 25 |
| 2002 | 96 | 69 |
| 2003 | 103 | 110 |
| 2004 | 103 | 94 |
| 2005 | 74 | 64 |
| 2006 | 84 | 44 |
| 2007 | 53 | 28 |
| 2008 | 32 | 16 |
| 2009 | 33 | 11 |
| 2010 | 25 | 12 |
| 2011 | 19 | 5 |
| 2012 | 16 | 3 |
| 2013 | 5 | 4 |
| 2014 | 7 | 5 |
| 2015 | 11 | 3 |
| 2016 | 8 | 2 |
| 2017 | 4 | 3 |
| 2018 | 5 | 0 |
| 2019 | 4 | 1 |
| 2020 | 9 | 10 |
| 2021 | 16 | 9 |
| 2022 | 15 | 7 |
| 2023 | 6 | 3 |
| 2024 | 5 | 6 |
| 2025 | 5 | 4 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Increased VCM current resolution during track follow to decrease NRRO11 Aug 2026US 12,706,116 B2Western Digital Technologies, Inc.
- Selectable current booster circuit10 Mar 2026US 12,573,419 B1
- Programmable writer overdrive3 Feb 2026US 12,542,151 B2Avago Technologies International Sales Pte. Limited
- BiSb topological insulator with seed layer or interlayer to prevent Sb diffusion and promote BiSb (012) orientation13 Jan 2026US 12,527,232 B2Western Digital Technologies, Inc.
- Reader with linearizing bias current30 Dec 2025US 12,512,119 B1Seagate Technology LLC
- Adaptive Bias Control for Magnetic Recording Head30 Apr 2026US 2026/0120716 A1Headway Technologies, Inc.
- Differential Voltage-Mode Driver for Microwave-Assisted Magnetic Recording25 Dec 2025US 2025/0391434 A1Marvell Asia Pte Ltd
- Differential Current-Mode Driver for Microwave Assisted Magnetic Recording25 Dec 2025US 2025/0391438 A1Marvell Asia Pte Ltd
- Programmable writer overdrive6 Nov 2025US 2025/0342855 A1Avago Technologies International Sales Pte. Limited
- Increased vcm current resolution during track follow to decrease nrro17 Apr 2025US 2025/0124950 A1Western Digital Technologies, Inc.
Most cited
By later US patents
- Magnetoresistive sensor based on the spin valve effect373US 5,206,590 AInternational Business Machines Corporation · 1993
- Disk drive employing a sync mark detector comprising a matched filter and a dual polarity correlator217US 6,603,622 B1Western Digital Technologies, Inc. · 2003
- Method and apparatus for in-situ measurement of head/recording medium clearance214US 4,777,544 AInternational Business Machine Corporation · 1988
- Disk drive including N-current preamplifier for generating N-independently controlled write currents186US 6,310,740 B1Western Digital Technologies, Inc. · 2001
- Setting an operating bias current for a magnetoresistive head by computing a target operating voltage177US 7,872,824 B1Western Digital (Fremont), LLC · 2011