G11B 5/4866
The arm comprising an optical waveguide
Official title: {the arm comprising an optical waveguide, e.g. for thermally-assisted recording}
G11B5/4866 (The arm comprising an optical waveguide) appears on 409 US grants and 288 published applications in this corpus.
Search patents in G11B- Granted patents
- 409
- Published applications
- 288
- Assignees
- 41
- Inventors
- 460
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 8 |
| 2010 | 5 | 31 |
| 2011 | 12 | 15 |
| 2012 | 15 | 10 |
| 2013 | 23 | 12 |
| 2014 | 21 | 27 |
| 2015 | 73 | 67 |
| 2016 | 46 | 28 |
| 2017 | 31 | 18 |
| 2018 | 35 | 13 |
| 2019 | 29 | 6 |
| 2020 | 23 | 11 |
| 2021 | 22 | 10 |
| 2022 | 21 | 13 |
| 2023 | 14 | 2 |
| 2024 | 13 | 9 |
| 2025 | 14 | 4 |
| 2026 | 10 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- Waveguide multilayer core structure for use in heat assisted magnetic recording29 Sep 2026US 12,749,503 B1Seagate Technology LLC
- Optical signal transmission in a hard disk drive25 Aug 2026US 12,718,840 B2Seagate Technology LLC
- Vertical cavity surface emitting laser, head gimbal assembly, and fabrication process11 Aug 2026US 12,706,439 B2Western Digital Technologies, Inc.
- Tapered Optical And Magnetic Elements For Improved Writing In Heat-Assisted Magnetic Recording18 Jun 2026US 2026/0171112 A1Headway Technologies, Inc.
- Vertical cavity surface emitting laser and head gimbal assembly12 Mar 2026US 2026/0074485 A1Western Digital Technologies, Inc.
- Noble Metal Coated Plasmonic Waveguide Blocker For Heat Assisted Magnetic Recording Head5 Mar 2026US 2026/0065931 A1Headway Technologies, Inc.
- Phase-Coherent In-Line VCSEL Array with Slider Trailing Mount for HAMR6 Nov 2025US 2025/0342856 A1Western Digital Technologies, Inc.
- Lubricants and methods to determine dewetting thickness thereof2 Oct 2025US 2025/0308554 A1Western Digital Technologies, Inc.
Most cited
By later US patents
- Method and system for an energy assisted magnetic recording head having a suspension-mounted laser148US 8,456,963 B1Western Digital (Fremont), LLC · 2013
- Near-field transducers for focusing light59US 8,248,891 B2Seagate Technology LLC · 2012
- Recording head for heat assisted magnetic recording51US 8,451,555 B2Seagate Technology LLC · 2013
- Plasmon generator with metallic waveguide blocker for TAMR45US 9,852,752 B1Headway Technologies, Inc. · 2017
- Plasmonic transducer having two metal elements with a gap disposed therebetween43US 8,451,705 B2Seagate Technology LLC · 2013