Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10629234 | Data storage device computing notch filters for multiple temperatures | Tetsuo Ueda, Chuanwen Ji, Alexander Babinski, Shinsuke Nakagawa | 2020-04-21 |
| 8797664 | Polarity detection of piezoelectric actuator in disk drive | Duc T. Phan, Yanan Huang, Chuanwen Ji, Yakov M. Lifschitz | 2014-08-05 |
| 8743503 | Disk drive updating compensation values for multiple servo sectors based on PES generated for current servo sector | Shan Tang | 2014-06-03 |
| 8553351 | Disk drive correcting track ID in response to an estimated radial location and a burst PES | Aswartha Narayana, Chuanwen Ji, Duc T. Phan, Min Chen | 2013-10-08 |
| 7295395 | Sensing a prior transducer position by a motion pattern | ChoonHoe Koh, WaiKhay Chan, JiaHong Shu, KianKeong Ooi, KianSoon Yeo +3 more | 2007-11-13 |
| 6873490 | Control object positioning using jerk, current and time optimized control profiles | ChoonHoe Koh | 2005-03-29 |