G11B 11/10532
Heads
Official title: {Heads}
G11B11/10532 (Heads) appears on 1,289 US grants and 344 published applications in this corpus.
Search patents in G11B- Granted patents
- 1,289
- Published applications
- 344
- Assignees
- 202
- Inventors
- 1,676
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 7 | 0 |
| 1985 | 11 | 0 |
| 1986 | 15 | 0 |
| 1987 | 18 | 0 |
| 1988 | 26 | 0 |
| 1989 | 32 | 0 |
| 1990 | 33 | 0 |
| 1991 | 38 | 0 |
| 1992 | 50 | 0 |
| 1993 | 62 | 0 |
| 1994 | 45 | 0 |
| 1995 | 57 | 0 |
| 1996 | 77 | 0 |
| 1997 | 84 | 0 |
| 1998 | 86 | 0 |
| 1999 | 66 | 0 |
| 2000 | 75 | 0 |
| 2001 | 80 | 30 |
| 2002 | 65 | 39 |
| 2003 | 66 | 49 |
| 2004 | 54 | 44 |
| 2005 | 33 | 42 |
| 2006 | 30 | 23 |
| 2007 | 23 | 18 |
| 2008 | 17 | 11 |
| 2009 | 9 | 15 |
| 2010 | 15 | 28 |
| 2011 | 19 | 4 |
| 2012 | 15 | 7 |
| 2013 | 7 | 2 |
| 2014 | 3 | 5 |
| 2015 | 9 | 4 |
| 2016 | 6 | 6 |
| 2017 | 13 | 4 |
| 2018 | 9 | 0 |
| 2019 | 3 | 1 |
| 2020 | 7 | 2 |
| 2021 | 4 | 6 |
| 2022 | 3 | 1 |
| 2023 | 3 | 1 |
| 2024 | 2 | 2 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Optical magnetic recording system, writer, media, and method30 Sep 2025US 12,431,165 B1Seagate Technology LLC
- Method for speed-up of magnetic signal readout from magnetic storage media by beam splitting4 Feb 2025US 12,217,774 B2Paul Scherrer Institut
- Heatsink structures for heat-assisted magnetic recording heads17 Sep 2024US 12,094,491 B2Seagate Technology LLC
- Heat-assisted magnetic recording (HAMR) head with main pole having narrow pole tip with plasmonic layer6 Aug 2024US 12,057,149 B2Western Digital Technologies, Inc.
- Seed layer for spin torque oscillator in microwave assisted magnetic recording device20 Jun 2023US 11,682,420 B2Western Digital Technologies, Inc.
- Heat-assisted magnetic recording (hamr) head with main pole having narrow pole tip with plasmonic layer16 May 2024US 2024/0161777 A1Western Digital Technologies, Inc.
- Method for speed-up of magnetic signal readout from magnetic storage media by beam splitting28 Mar 2024US 2024/0105215 A1Paul Scherrer Institut
- Heatsink structures for heat-assisted magnetic recording heads13 Apr 2023US 2023/0110250 A1Seagate Technology LLC
- Heat-assisted magnetic recording (hamr) head with tapered main pole and heat sink material adjacent the pole10 Nov 2022US 2022/0358964 A1Western Digital Technologies, Inc.
- Seed Layer For Spin Torque Oscillator In Microwave Assisted Magnetic Recording Device16 Dec 2021US 2021/0390977 A1Western Digital Technologies, Inc.
Most cited
By later US patents
- Signal reproducing apparatus for optical recording and reproducing equipment with compensation of crosstalk from nearby tracks and method for the same210US 5,181,161 ANEC Corporation · 1993
- High numerical aperture optical focusing device having a conical incident facet and a parabolic reflector for use in data storage systems185US 6,377,535 B1Read-Rite Corporation · 2002
- Magneto-optical data storage system having an optical-processing flying head180US 6,081,499 ASeagate Technology LLC · 2000
- Near-field optical transducers for thermal assisted magnetic and optical data storage180US 7,330,404 B2Seagate Technology LLC · 2008
- High numerical aperture optical focusing device for use in data storage systems179US 6,185,051 B2Read-Rite Corporation · 2001