G11B 2005/0024
Microwave assisted recording
Official title: {Microwave assisted recording}
G11B2005/0024 (Microwave assisted recording) appears on 499 US grants and 421 published applications in this corpus.
Search patents in G11B- Granted patents
- 499
- Published applications
- 421
- Assignees
- 43
- Inventors
- 463
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 2 |
| 2009 | 0 | 11 |
| 2010 | 2 | 13 |
| 2011 | 7 | 21 |
| 2012 | 22 | 26 |
| 2013 | 32 | 44 |
| 2014 | 49 | 30 |
| 2015 | 56 | 35 |
| 2016 | 44 | 20 |
| 2017 | 23 | 18 |
| 2018 | 20 | 11 |
| 2019 | 23 | 26 |
| 2020 | 52 | 32 |
| 2021 | 47 | 31 |
| 2022 | 32 | 20 |
| 2023 | 29 | 17 |
| 2024 | 25 | 32 |
| 2025 | 23 | 23 |
| 2026 | 13 | 9 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Magnetic flux guiding device with spin torque oscillator (STO) film having negative spin polarization layers in assisted writing application8 Sep 2026US 12,731,605 B2Headway Technologies, Inc.
- Differential current-mode driver for microwave assisted magnetic recording8 Sep 2026US 12,731,613 B2Marvell Asia Pte Ltd
- Active humidity control using heat-responsive water-releasing substances in data storage devices18 Aug 2026US 12,711,998 B2Western Digital Technologies, Inc.
- Dual FGL and dual SPL spintronic device to reduce perpendicular field at writing location4 Aug 2026US 12,700,424 B2Western Digital Technoloies, Inc.
- Pre-assisting microwave magnetic recording based on spin-hall nano-oscillators28 Jul 2026US 12,694,894 B1Headway Technologies, Inc.
- Magnetic recording and reproducing apparatus1 Oct 2026US 2026/0301767 A1Resonac Hard Disk Corporation
- Perpendicular Magnetic Recording Head Equipping A Spin Torque Oscillator Element With An Electric Current In Side Gaps9 Jul 2026US 2026/0196242 A1Headway Technologies, Inc.
- Pre-Assisting Microwave-Assisted Magnetic Recording With Spin-Torque Nano-Oscillators18 Jun 2026US 2026/0171111 A1Headway Technologies, Inc.
- Asymmetric Side Gap Writer Fabricated By Ion-Beam Etching (IBE) / Ion-Beam Deposition (IBD) Process For Aerial Density Capability (ADC) Improvement28 May 2026US 2026/0148749 A1Headway Technologies, Inc.
- Spin-Orbit Torque Assisted Magnetic Write Head Structure For Perpendicular Magnetic Recording30 Apr 2026US 2026/0120715 A1Headway Technologies, Inc.
Most cited
By later US patents
- Systems and methods for providing a pole pedestal for microwave assisted magnetic recording170US 8,456,967 B1Western Digital (Fremont), LLC · 2013
- MgO based perpendicular spin polarizer in microwave assisted magnetic recording (MAMR) applications167US 9,230,571 B1Headway Technologies, Inc. · 2016
- Magnetic recording assisted by spin torque oscillator with a radio frequency current bias157US 8,582,240 B1Headway Technologies, Inc. · 2013
- Magnetic recording head with spin torque oscillator layers satisfying width, thickness and angle relationship formulas115US 10,121,497 B1TDK Corporation · 2018
- Perpendicular magnetic recording write head and system with improved spin torque oscillator for microwave-assisted magnetic recording103US 7,982,996 B2Hitachi Global Storage Technologies Netherlands B. V. · 2011