G11B 2005/0021
Thermally assisted recording using an auxiliary energy source for heating the recording
Official title: {Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal}
G11B2005/0021 (Thermally assisted recording using an auxiliary energy source for heating the recording) appears on 2,329 US grants and 1,686 published applications in this corpus.
Search patents in G11B- Granted patents
- 2,329
- Published applications
- 1,686
- Assignees
- 194
- Inventors
- 2,064
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 10 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 13 | 0 |
| 2001 | 14 | 16 |
| 2002 | 22 | 31 |
| 2003 | 38 | 39 |
| 2004 | 44 | 60 |
| 2005 | 38 | 72 |
| 2006 | 47 | 49 |
| 2007 | 32 | 47 |
| 2008 | 30 | 63 |
| 2009 | 41 | 69 |
| 2010 | 52 | 95 |
| 2011 | 89 | 108 |
| 2012 | 161 | 112 |
| 2013 | 230 | 105 |
| 2014 | 179 | 116 |
| 2015 | 217 | 158 |
| 2016 | 168 | 119 |
| 2017 | 179 | 69 |
| 2018 | 139 | 54 |
| 2019 | 116 | 38 |
| 2020 | 87 | 42 |
| 2021 | 69 | 31 |
| 2022 | 52 | 30 |
| 2023 | 59 | 25 |
| 2024 | 55 | 53 |
| 2025 | 67 | 41 |
| 2026 | 48 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High thermal stability lubricants6 Oct 2026US 12,753,360 B2Western Digital Technologies, Inc.
- Hard disk drive and write heads having refilled structures at side edges of an assist device6 Oct 2026US 12,755,755 B1Headway Technologies, Inc.
- Write head designs with refill materials on a back edge of an assist device for improved write head reliability and performance6 Oct 2026US 12,755,756 B1Headway Technologies, Inc.
- Solder tack bonding of hard disk drive actuator arm assemblies6 Oct 2026US 12,755,757 B2Seagate Technology LLC
- Magnetic recording device29 Sep 2026US 12,749,501 B2Kabushiki Kaisha Toshiba
- Magnetic recording and reproduction device and control method of the same24 Sep 2026US 2026/0290386 A1Kabushiki Kaisha Toshiba
- Magnetic disk device and write processing method24 Sep 2026US 2026/0290390 A1Kabushiki Kaisha Toshiba
- Techniques for mitigation of carbonaceous smear in heat-assisted magnetic recording24 Sep 2026US 2026/0290392 A1Western Digital Technologies, Inc.
- Magnetic recording media with high magnetization absorption layer and gradient segregant structure24 Sep 2026US 2026/0290393 A1Western Digital Technologies, Inc.
- Magnetic recording device24 Sep 2026US 2026/0290396 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Read/write head with shifted waveguide218US 6,016,290 ARead-Rite Corporation · 2000
- Laser mounting for a thermally assisted GMR head203US 6,404,706 B1Read-Rite Corporation · 2002
- Method and system for providing an energy assisted magnetic recording disk drive having a non-conformal heat spreader194US 8,320,220 B1Western Digital (Fremont), LLC · 2012
- Near-field optical transducers for thermal assisted magnetic and optical data storage180US 7,330,404 B2Seagate Technology LLC · 2008
- Method and system for providing a write pole in an energy assisted magnetic recording disk drive180US 8,164,855 B1Western Digital (Fremont), LLC · 2012