Issued Patents All Time
Showing 25 most recent of 101 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12380918 | Energy-assisted recording head with C-shaped delivery waveguide core | — | 2025-08-05 |
| 12374357 | Heat-assisted magnetic recording head with a solid immersion mirror | Nan Zhou, Michael Allen Seigler, Yongjun Zhao | 2025-07-29 |
| 11823719 | Heat-assisted recording head having mirror liner that reduces evanescent coupling with near field transducer | — | 2023-11-21 |
| 11710506 | Heat-assisted magnetic recording head with a near-field transducer having a multilayer near-field emitter | Tae-Woo Lee, Li Wan | 2023-07-25 |
| 11574648 | Optical power sensor for a heat-assisted magnetic recording slider | Vivek Krishnamurthy, Nils Jan Gokemeijer | 2023-02-07 |
| 11545180 | Heat-assisted magnetic recording head with a near-field oscillator pair | — | 2023-01-03 |
| 11386924 | Heat-assisted recording head using blue to ultraviolet wavelength laser | — | 2022-07-12 |
| 11380354 | Heat-assisted magnetic recording head having near-field transducer with sunken plasmonic plate | — | 2022-07-05 |
| 11120824 | Bolometric sensor for a heat-assisted magnetic recording device | Vivek Krishnamurthy, Nils Jan Gokemeijer | 2021-09-14 |
| 11056135 | Heat-assisted recording head with one or more surface-plasmonic plates operable as a near-field transducer | — | 2021-07-06 |
| 10839830 | Reflective heatsink structures for heat-assisted magnetic recording heads | Martin Blaber, Tae-Woo Lee | 2020-11-17 |
| 10811038 | Heat-assisted magnetic recording head having near-field transducer with nanorod and diffusion barrier plate | Michael Allen Seigler | 2020-10-20 |
| 10770098 | Heat-assisted magnetic recording head with near-field transducer having first and second surface-plasmonic plates | — | 2020-09-08 |
| 10310182 | Patterned plasmonic underlayer | Ganping Ju, Xiaobin Zhu, Yingguo Peng, Yukiko Kubota, Timothy J. Klemmer +6 more | 2019-06-04 |
| 10283152 | Near-field transducer with a dielectric slit at internal surfaces for controlling feedback to a light source | James Gary Wessel, Lien Lee | 2019-05-07 |
| 10249326 | Heat-assisted magnetic recording head including a waveguide with dielectric cavity to reduce optical feedback | — | 2019-04-02 |
| 10242702 | Near-field transducer with stacked features that reduce emission of polarization-rotated light | — | 2019-03-26 |
| 10121496 | Heat-assisted magnetic recording head having peg coupler and plasmonic pad | Tae-Woo Lee, Peng Zhang, Weibin Chen | 2018-11-06 |
| 10061082 | Splitter waveguide used to perform active alignment of light source on slider | Michael Allen Seigler | 2018-08-28 |
| 10061088 | Optical spatial mode filter for removing fundamental mode components in a HAMR light path | — | 2018-08-28 |
| 10036851 | Waveguide system with polarization rotator and polarization splitter | Michael Allen Seigler | 2018-07-31 |
| 10002626 | Corrosion resistance cap located on end of waveguide core | Yuhang Cheng, Tae-Woo Lee, Xiaoyue Huang, Song Chen | 2018-06-19 |
| 9978409 | Offset waveguide system with a mode converter and a tapered bend | — | 2018-05-22 |
| 9947349 | Waveguid with tapered assistant layer | — | 2018-04-17 |
| 9946016 | Waveguide with shaped assistant layer | Pierre Asselin, Lien Lee, Karen V. Rud | 2018-04-17 |