Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8437099 | Hard disk drive and servo track writing system for the same | Kyung Ho Kim, Dong-Ho Oh, Ha Yong Kim, Sung-joon Han | 2013-05-07 |
| 8035908 | Methods of forming and reading servo track and data storage apparatus | Sang Hyun Park, Da-woon Chung, Yoon-Chul Cho | 2011-10-11 |
| 8035914 | Hard disk drive and method for designing additional controller included in hard disk drive | Sang-min Suh, Jeong Heon Han | 2011-10-11 |
| 8004787 | Method and system for servo track write | Kyu Nam Cho, Jong Ryul Kim, Myoung Joo Na | 2011-08-23 |
| 7531983 | Method of controlling startup current of motor and disk drive using the method | Jun Young JEONG, Da-woon Chung | 2009-05-12 |
| 7471480 | Self servo writing method, hard disk drive using the same, and recording medium storing the method | Da-woon Chung, Jun Young JEONG | 2008-12-30 |
| 7362538 | Torque constant correction method in multiple sinusoidal seek servo and disk drive using the same | Jung-Ho Lee | 2008-04-22 |
| 7333286 | Method of writing a reference servo signal of hard disk drive and apparatus suitable therefor | Da-woon Chung, Byoung Kul Ji | 2008-02-19 |
| 7277250 | Track zero determination method used in data storage system and disk drive using the same | Seung Chul Park | 2007-10-02 |
| 7145743 | Apparatus and method for unlatching a head within a data storage device | Cheol-hoon Park, Sang-hoon Chu, Yong-Gwon Lee, Chul-Sung Park | 2006-12-05 |
| 7110205 | Method for controlling start of adaptive spindle motor and disk drive using the method | Jun Young JEONG, Dong-Wook Lee, Tae Hoon Lee | 2006-09-19 |
| 7057842 | Method, medium, and apparatus for offline self servo writing and disk drive using the same | Da-woon Chung | 2006-06-06 |
| 7016142 | Apparatus and method for removing mechanical resonance using adaptive notch filter | Chang-Ik Kang | 2006-03-21 |
| 6118607 | Method for and apparatus for eliminating wiggle noise in a disk drive storage device using a thin film head | — | 2000-09-12 |
| 5852523 | Data sector pulse generating method | — | 1998-12-22 |
| 5737145 | Method for generating index pulse with index pattern | — | 1998-04-07 |