G11B 11/10534
For recording by magnetising, demagnetising or transfer of magnetisation, by radiation
Official title: {for recording by magnetising, demagnetising or transfer of magnetisation, by radiation, e.g. for thermomagnetic recording}
G11B11/10534 (For recording by magnetising, demagnetising or transfer of magnetisation, by radiation) appears on 449 US grants and 184 published applications in this corpus.
Search patents in G11B- Granted patents
- 449
- Published applications
- 184
- Assignees
- 108
- Inventors
- 693
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 10 | 0 |
| 1990 | 8 | 0 |
| 1991 | 10 | 0 |
| 1992 | 15 | 0 |
| 1993 | 15 | 0 |
| 1994 | 11 | 0 |
| 1995 | 11 | 0 |
| 1996 | 17 | 0 |
| 1997 | 18 | 0 |
| 1998 | 17 | 0 |
| 1999 | 23 | 0 |
| 2000 | 27 | 0 |
| 2001 | 31 | 8 |
| 2002 | 20 | 18 |
| 2003 | 23 | 20 |
| 2004 | 27 | 22 |
| 2005 | 12 | 15 |
| 2006 | 11 | 12 |
| 2007 | 11 | 8 |
| 2008 | 10 | 8 |
| 2009 | 7 | 15 |
| 2010 | 6 | 25 |
| 2011 | 17 | 3 |
| 2012 | 15 | 6 |
| 2013 | 7 | 2 |
| 2014 | 3 | 5 |
| 2015 | 7 | 1 |
| 2016 | 1 | 2 |
| 2017 | 7 | 3 |
| 2018 | 7 | 0 |
| 2019 | 1 | 0 |
| 2020 | 6 | 2 |
| 2021 | 4 | 6 |
| 2022 | 3 | 1 |
| 2023 | 3 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 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
- 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 tapered main pole and heat sink material adjacent the pole16 May 2023US 11,651,791 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.
- 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.
- Recording device and recording method2 Dec 2021US 2021/0375314 A1FUJIFILM Corporation
Most cited
By later US patents
- 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
- Wafer processing techniques for near field magneto-optical head156US 6,094,803 ARead-Rite Corporation · 2000
- Flying magneto-optical head with a steerable mirror153US 6,058,094 ASeagate Technology LLC · 2000
- Data storage system having an optical processing flying head147US 6,781,927 B1Seagate Technology LLC · 2004