G11B 11/10539
Using electromagnetic beams
Official title: {using electromagnetic beams, e.g. polarised light}
G11B11/10539 (Using electromagnetic beams) appears on 19 US grants and 11 published applications in this corpus.
Search patents in G11B- Granted patents
- 19
- Published applications
- 11
- Assignees
- 13
- Inventors
- 42
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
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| 1995 | 1 | 0 |
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| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical magnetic recording system, writer, media, and method30 Sep 2025US 12,431,165 B1Seagate Technology LLC
- Seed layer for spin torque oscillator in microwave assisted magnetic recording device20 Jun 2023US 11,682,420 B2Western Digital Technologies, Inc.
- Seed layer for spin torque oscillator in microwave assisted magnetic recording device21 Sep 2021US 11,127,420 B1Western Digital Technologies, Inc.
- Optical spatial mode filter for removing fundamental mode components in a HAMR light path28 Aug 2018US 10,061,088 B1Seagate Technology LLC
- Near-field transducer with tapered peg10 Oct 2017US 9,786,311 B2Seagate Technology LLC
- Seed Layer For Spin Torque Oscillator In Microwave Assisted Magnetic Recording Device16 Dec 2021US 2021/0390977 A1Western Digital Technologies, Inc.
- Near-field transducer with tapered peg2 Feb 2017US 2017/0032811 A1Seagate Technology LLC
- Magnetic recording laser diode control13 Nov 2014US 2014/0334274 A1Seagate Technology LLC
- Light source alignment for heat assisted magnetic recording16 Oct 2014US 2014/0307533 A1Seagate Technology LLC
- Writer with increased write field17 Oct 2013US 2013/0272104 A1Seagate Technology LLC
Most cited
By later US patents
- Magneto-optical recording device having an optical head capable of generating a circularly polarized light beam17US 5,448,536 AHitachi, Ltd. · 1995
- Magneto-optic recording structure and method14US 4,694,358 AKerdix, Inc. · 1987
- Magneto optical recording system with a laser mounted on a slider14US 5,140,569 ASeiko Epson Corporation · 1992
- Near-field hybrid magnetic-optical head system14US 6,807,131 B1Research Investment Network, Inc. · 2004
- Optical spatial mode filter for removing fundamental mode components in a HAMR light path12US 10,061,088 B1Seagate Technology LLC · 2018