Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785073 | Identification and cancellation of cage frequency in a hard disc drive | ShuangQuan Min, KianKeon Ooi, YangQuan Chen, WeiSung Lee, BengWee Quak | 2004-08-31 |
| 6728054 | Drive with adaptive data format and head switch sequencing | Yong Peng Chng, Steven Tian Chye Cheok, Patrick Wong, Wesley Chan | 2004-04-27 |
| 6674589 | Method for harmonic frequency identification in a disc drive | ShuangQuan Min, KianKeong Ooi, MingZhong Ding, YangQuan Chen | 2004-01-06 |
| 6667840 | Method for screening oscillatory PES with 1.7 kHz harmonic resonance | Kok Hiang Cheong, Kian Keong Ooi, Wing Kong Chiang | 2003-12-23 |
| 6661599 | Enhanced adaptive feedforward control to cancel once-per-revolution disturbance by shaping the internal mode | YangQuan Chen, Ming Zhong Ding, Kian Keong Ooi, Louis Seng Hong Pang | 2003-12-09 |
| 6636375 | Seek in a disc drive with nonlinear pivot friction | MingZhong Ding, KianKeong Ooi, Louis Seng Hong Pang, YangQuan Chen | 2003-10-21 |
| 6392831 | Identification of defective servo information elements in a disc drive system | Kian Keong Ooi, Wing Kong Chiang, Siok Yin Tan | 2002-05-21 |
| 6324890 | Method of characterizing and screening voice coil motor pivot friction in a low velocity region | KianKeong Ooi, Louis Seng Hong Pang, MingZhong Ding, YangQuan Chen, Beng Wee Quak | 2001-12-04 |
| 6252364 | Method and apparatus for unlatching an actuator | Wing Kong Chiang, Kian Keong Ooi, Jack Ming Teng, Choon Kiat Lim | 2001-06-26 |