Issued Patents 2017
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9842621 | Heat-assisted magnetic recording apparatus capable of detecting optical power change based on one or more of phase errors and dibit response | Drew Michael Mader, James E. Angelo | 2017-12-12 |
| 9842619 | Selecting laser power based on writing to a set of consecutive user data wedges | Alfredo Sam Chu, Wenzhong Zhu | 2017-12-12 |
| 9842047 | Non-sequential write for sequential read back | Kaizhong Gao, Wenzhong Zhu, Edward Charles Gage | 2017-12-12 |
| 9837118 | Determining thermal gradient of heat-assisted magnetic recording hotspot based on timing errors | Drew Michael Mader | 2017-12-05 |
| 9830942 | Obtaining a predetermined phase shift in data using different write precompensation associated with different NRZI patterns | Drew Michael Mader, Jason Charles Jury, Raman Venkataramani | 2017-11-28 |
| 9805749 | Heat-assisted magnetic recording drive enclosure with arcuate channel for accommodating laser diode unit | Chuen Buan Lee, Xiong Liu, Qiang Bi | 2017-10-31 |
| 9792949 | Laser mode hopping detection method and apparatus for a heat-assisted magnetic recording device | Minjie Ma, Edward Charles Gage, Pu-Ling Lu | 2017-10-17 |
| 9747942 | Variable written track widths for attribute-based storage | Kaizhong Gao, Wenzhong Zhu, Edward Charles Gage | 2017-08-29 |
| 9741363 | Laser power optimization for heat assisted interlaced magnetic recording | Minjie Ma, Kaizhong Gao, Edward Charles Gage | 2017-08-22 |
| 9741364 | Laser power optimization for heat assisted interlaced magnetic recording | Minjie Ma, Kaizhong Gao, Edward Charles Gage | 2017-08-22 |
| 9741385 | Digital automatic power control | Todd Michael Lammers, Robert A. Matousek | 2017-08-22 |
| 9741386 | Setting laser current based on modulation level of an optical power sensor measurement | Edward Charles Gage, Joshua Ward Christensen, Todd Michael Lammers | 2017-08-22 |
| 9679601 | Post-write scan operations for interlaced magnetic recording | Kaizhong Gao, Wenzhong Zhu, Edward Charles Gage | 2017-06-13 |
| 9672845 | Adjacent track interference asymmetry mitigation | — | 2017-06-06 |
| 9653121 | Heat-assisted magnetic recording device capable of detecting head malfunction based on different currents of sensors | Alfredo Sam Chu, Wenzhong Zhu | 2017-05-16 |
| 9633675 | Interlaced magnetic recording super parity | Wenzhong Zhu, Kaizhong Gao, Edward Charles Gage | 2017-04-25 |
| 9607631 | Enhanced capacity recording | Minjie Ma, Steven Douglas Granz, Kaizhong Gao, Wenzhong Zhu, Edward Charles Gage | 2017-03-28 |
| 9583135 | Laser mode hopping detection method and apparatus for a heat-assisted magnetic recording device | Minjie Ma, Edward Charles Gage, Pu-Ling Lu | 2017-02-28 |
| 9569121 | Heat assisted magnetic recording (HAMR) utilization analysis and reporting system | Douglas Murphy, John W. Dykes, Jason Zimmerman, James C. Hatfield | 2017-02-14 |
| 9564157 | System and method for detecting reader-writer offset in a heat-assisted magnetic recording head | Jon D. Trantham, Jason Charles Jury, Mark Allen Gaertner | 2017-02-07 |
| 9548068 | Determining optical degradation in a heat-assisted read/write head | Drew Michael Mader, Alfredo Sam Chu | 2017-01-17 |
| 9536559 | Determining a HAMR laser power that reduces adjacent track interference | Michael A. Cordle, Franklin P. Martens | 2017-01-03 |
| 9536550 | Health check for read/write head | Minjie Ma, Edmun ChianSong Seng, Edward Charles Gage | 2017-01-03 |