Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10410656 | Data storage device pre-biasing a spin torque oscillator prior to a write operation | Guoxiao Guo, Hongchao ZHAO, David Scott C. Amiss, Duc H. Banh | 2019-09-10 |
| 8861126 | Disk drive detecting when head is on ramp | Edgar D. Sheh | 2014-10-14 |
| 8786976 | Disk drive detecting when head is on ramp | Siri S. Weerasooriya, Scott A. Ottele | 2014-07-22 |
| 8699173 | Disk drive detecting touchdown event by evaluating frequency response of a touchdown metric | Hongchao ZHAO, Siri S. Weerasooriya | 2014-04-15 |
| 7974039 | Disk drive to reduce head instability | Jianfeng Xu, Kazuhiro Saito, Hongchao ZHAO | 2011-07-05 |
| 7817286 | Iteration method to improve the fly height measurement accuracy by optical interference method and theoretical pitch and roll effect | Remmelt Pit | 2010-10-19 |
| 7675707 | Disk drive employing repeatable disturbance compensation for fly height control | Hain-Ling Liu, Min Chen | 2010-03-09 |
| 7440220 | Method for defining a touch-down power for head having a flying height actuator | Michael Nojaba, Rex Niedermeyer | 2008-10-21 |
| 7436620 | Method for selecting an electrical power to be applied to a head-based flying height actuator | Liwei Song | 2008-10-14 |
| 7009813 | Apparatus and method of configuring the air bearing surfaces of sliders in disk drives for producing high temperatures in thermally-assisted recordings | Chie Ching Poon, Hemantha K. Wickramasinghe | 2006-03-07 |
| 6775103 | Slider head having thermally controlled distal end and assembly with a rotating disc | Jeffrey S. Lille | 2004-08-10 |
| 6680821 | Slider air bearing surface having improved fly height profile characteristics | — | 2004-01-20 |
| 6674611 | Air bearing design producing steeper ramp profile near the laser texture zone | Sanford A. Bolasna | 2004-01-06 |
| 6477013 | Slider air bearing design and method providing writing of a laser field (WOLF) measurement without substantial fly height affect | Mark McMaster, Tony J. Zhang | 2002-11-05 |
| 6333835 | Step pad air bearing for load/unload mechanism | Sanford A. Bolasna, Oscar J. Ruiz | 2001-12-25 |