Issued Patents All Time
Showing 51–72 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7885025 | Generating PES using readback signal distortion | Walter R. Eppler, Inci Ozgunes, Xiangjun Feng, Mark David Bedillion, Stephen John Wrazien | 2011-02-08 |
| 7804656 | Light delivery technique for heat assisted magnetic recording head | William Albert Challener, Ravishankar Ajjanagadde Shivarama, Patrick Breckow Chu | 2010-09-28 |
| 7626894 | Heat assisted magnetic recording light delivery with fixed laser and rotating mirror | Mark David Bedillion, Patrick Breckow Chu, Tim Rausch, Edward Charles Gage | 2009-12-01 |
| 7570451 | Servo architecture for high areal density data storage | Mark David Bedillion, Patrick Breckow Chu, Xinghui Huang | 2009-08-04 |
| 7345840 | Light delivery technique for heat assisted magnetic recording head | William Albert Challener, Ravishankar Ajjanagadde Shivarama, Patrick Breckow Chu | 2008-03-18 |
| 7054094 | Real-time automatic loop-shaping for a disc drive servo control system | Tao Zhang, Qiang Bi, MingZhong Ding, Stephen Kow Chiew Kuan | 2006-05-30 |
| 6954325 | Method and disc drive for writing servo wedges | Xiong Liu, Bi Qiang, Min Shuangquan | 2005-10-11 |
| 6791786 | Active damping of two-stage actuator system in a disc drive | Jianbo He, Joseph Cheng-Tsu Liu, Tao Zhang | 2004-09-14 |
| 6765744 | Track pitch control using head offset measurement for self-servowriting tracks in a disc drive | Qiang Bi, Aik Chuan Lim, Jimmy Pang | 2004-07-20 |
| 6765737 | Variable track densities on a recording medium to compensate for non-repeatable runout (NRRO) error | ChoonKiat Lim, Xiong Liu, Joseph Cheng-Tsu Liu | 2004-07-20 |
| 6751042 | Track pitch correction method and apparatus | Qiang Bi, Jimmy Pang, Gabor Szita | 2004-06-15 |
| 6693763 | Method for linearizing microactuator hysteresis for a disc drive | Qiang Bi, Jimmy Pang | 2004-02-17 |
| 6661614 | Magnetless actuator for disc drive | Tak Koon Ooi, Xiong Liu, Kwee Teck Say, Choon Kiat Lim | 2003-12-09 |
| 6606214 | System and method to minimize bearing pivot effect in disc drive actuator | Xiong Liu, Joseph Cheng-Tsu Liu, Choon Kiat Lim | 2003-08-12 |
| 6563663 | Repeatable runout compensation using iterative learning control in a disc storage system | Qiang Bi, YangQuan Chen, KianKeong Ooi | 2003-05-13 |
| 6487035 | Method and apparatus for adaptive feedforward cancellation | Xiong Liu, Joseph Cheng-Tsu Liu, MingZhong Ding | 2002-11-26 |
| 6476995 | Method and apparatus for reducing track misregistration from servo track writing | Xiong Liu, Joseph Cheng-Tsu Liu, ChoonKiat Lim | 2002-11-05 |
| 6465981 | Adaptive anti-windup method and apparatus for disc drive servo control | Tao Zhang, Qiang Bi | 2002-10-15 |
| 6453722 | Integrated test system for a disc drive pivot bearing and actuator | Xiong Liu, Joseph Cheng-Tsu Liu, ChoonKiat Lim | 2002-09-24 |
| 6442000 | Low cost flexible support actuator | See Jee Koong, Michael Joo Chiang Toh, Choon Kiat Lim, Wai Onn Chee | 2002-08-27 |
| 6317285 | Method for calibrating MR head geometry in selfservo writing disc drives | Qiang Bi, Jimmy Pang, Stephen Kow Chiew Kuan, MengEng Lye, BengSee Lim | 2001-11-13 |
| 5600219 | Sensorless closed-loop actuator unlatch | — | 1997-02-04 |