Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1007262 | Saw blade | — | 2023-12-12 |
| 9835928 | Optical N-level quadrature amplitude modulation (NQAM) tuned by dithering associated heaters | Jinxi Shen, Na Shan | 2017-12-05 |
| 9495984 | Waveguide with reflective grating for localized energy intensity | Hongxing Yuan, Jinshan Li | 2016-11-15 |
| 9336814 | Inverse tapered waveguide for use in a heat assisted magnetic recording head | Michael V. Morelli, Yunfei Li, Matthew R. Gibbons | 2016-05-10 |
| 9202493 | Method of making an ultra-sharp tip mode converter for a HAMR head | Dujiang Wan, Ge Yi, Lijie Zhao, Hai Sun | 2015-12-01 |
| 9190085 | Waveguide with reflective grating for localized energy intensity | Hongxing Yuan, Jinshan Li | 2015-11-17 |
| 9064527 | High order tapered waveguide for use in a heat assisted magnetic recording head | Michael V. Morelli, Hongxing Yuan | 2015-06-23 |
| 9001629 | Systems and methods for suppressing background energy of a waveguide in an energy assisted magnetic recording system | Hongxing Yuan, Ronald L. Allen, Michael V. Morelli, Matthew R. Gibbons | 2015-04-07 |
| 9001628 | Assistant waveguides for evaluating main waveguide coupling efficiency and diode laser alignment tolerances for hard disk | Paul Lin, Michael V. Morelli, Weigang Wang | 2015-04-07 |
| 8923102 | Optical grating coupling for interferometric waveguides in heat assisted magnetic recording heads | Michael Mallary | 2014-12-30 |
| 8897102 | Method and system for measuring light delivery offsets in a heat assisted magnetic recording head | Paul Lin, Lei Wang | 2014-11-25 |
| 8836949 | Systems and methods for characterizing near field transducer performance at wafer level using asymmetric interference waveguides | Michael V. Morelli, Hongxing Yuan | 2014-09-16 |
| 8811129 | Absorption enhanced media for energy assisted magnetic recording | Hongxing Yuan, Shing Lee, Jinshan Li | 2014-08-19 |
| 8749790 | Structure and method to measure waveguide power absorption by surface plasmon element | Shawn M. Tanner, Yufeng Hu, Ut Tran, Zhongyan Wang, Sergei Sochava | 2014-06-10 |
| 8681594 | Method and system for improving laser alignment and optical transmission efficiency of an energy assisted magnetic recording head | Arkadi Goulakov, Alexandre V. Demtchouk, Lei Wang, Michael V. Morelli | 2014-03-25 |
| 8670294 | Systems and methods for increasing media absorption efficiency using interferometric waveguides | Shing Lee, Hongxing Yuan, Sergei Sochava, Ronald L. Allen, Yunfei Li +1 more | 2014-03-11 |
| 8634280 | Method and system for providing an energy assisted magnetic recording writer having a ring shaped NFT | Zhongyan Wang, Hongxing Yuan, Yufeng Hu | 2014-01-21 |
| 8625941 | Broadband reflective waveguide metal gratings and their formation | Hongxing Yuan, Shing Lee, Zhongyan Wang, Ge Yi | 2014-01-07 |
| 8588039 | Energy-assisted magnetic recording head having multiple cores of different lengths | Kuochou Tai, Shing Lee | 2013-11-19 |
| 8570844 | Absorption enhanced media for energy assisted magnetic recording | Hongxing Yuan, Shing Lee, Jinshan Li | 2013-10-29 |
| 8526275 | Systems and methods for dissipating heat from a near-field transducer in an energy assisted magnetic recording assembly | Hongxing Yuan, Zhongyan Wang, Wentao Yan, Yanfeng Chen, Matthew R. Gibbons | 2013-09-03 |
| 8456966 | Method and system for enhancing optical efficiency for an EAMR head | Shing Lee, Hongxing Yuan, Rabee Ikkawi | 2013-06-04 |
| 8456964 | Energy assisted magnetic recording head having a reflector for improving efficiency of the light beam | Hongxing Yuan, Shing Lee, Jinshan Li, Ut Tran | 2013-06-04 |
| 8422841 | Double optical grating | Hongxing Yuan, Shing Lee, Zhongyan Wang, Jinshan Li | 2013-04-16 |
| 8325569 | EAMR head having improved optical coupling efficiency | Zhongyan Wang, Shing Lee, Hongxing Yuan | 2012-12-04 |